US 7,601,105 B1Grant
Cable crossover exercise apparatus with lateral arm movement
Issue Date:2009-10-13
•16 Claims
•8 Drawing Sheets
Abstract
An exercise apparatus includes a support structure having a base portion, the support structure housing a resistance assembly (e.g., including a weight stack). At least one arm assembly is mounted to the support structure. Each of the one or more arm assemblies includes: (i) an elongate member, and (ii) a mounting bracket assembly. The mounting bracket assembly is pivotally mounted to the elongate member and also pivotally mounted to the support structure at a location spaced apart from the base portion of the support structure. One pivot mount allows the elongate member to pivot up and down, while the other pivot mount allows the mounting bracket assembly (and thus the arm assembly) to pivot in and out (i.e., laterally). At least one cable extends from the resistance assembly to the at least one arm assembly.
Metadata
Assignee
- ICON IP, Inc.
Inventors
- Allen Heyson Gipson, III
- Richard Allen Compton
- Gerald Daines Nelson
Application Information
Application Number:US 11/178,715
Filing Date:2005-07-11
Priority Date:2005-07-11
Art Unit:3764
Classifications
IPC:
A63B21/062
Patent Drawings (8 sheets)
Description
Related Application
[0001] The present application claims the benefit of a U.S. Provisional Patent Application Ser. No. 60/692,412 filed Jun. 21, 2005 and entitled “CABLE CROSSOVER EXERCISE APPARATUS WITH LATERAL ARM MOVEMENT”, which is incorporated by reference in its entirety.
Background of the Invention
[0002] 1. Field of the Invention
[0003] The present invention generally relates to exercise apparatuses. More specifically, the present invention generally relates to cable crossover exercise apparatuses having a weight stack and opposed extension arms.
[0004] 2. Description of Related Technology
[0005] Exercise apparatuses commonly employ a weight stack actuated by a cable as it is pulled by a user. This cable can extend from the weight stack, through or along an arm, and terminate with a handle graspable by a user. Some such arrangements can present certain limitations affecting the usefulness of the exercise apparatus. For example, the range of exercises which may be performed with certain cable actuated apparatuses is sometimes limited by the effective length of cable linking the weight stack with the user. The effective useful length of the cable may be limited by the height of the weight stack; in such systems, for example, for each foot the cable is pulled by the user, the weight stack may be required to rise a proportional distance. Where the rise of the weight stack is substantially equal to the distance which the cable is pulled, the effective useful length of the cable is often limited to only a few feet since building weight stacks any larger can be cost prohibitive, or structurally undesirable.
[0006] Certain weight stack based exercise apparatuses also encounter problems as a result of the momentum created when the weight plates are lifted under the control of a cable. Specifically, when the weight plates are lifted upwardly at a fast pace, the generated momentum can create momentary reductions and increases in the perceived force encountered by the user. Such momentary changes are highly undesirable.
[0007] Some weight stack based exercise apparatuses also encounter problems with the cable catching or binding on the frame, support arms, or other parts of the assembly. Certain weight stacks also have cables that shorten or lengthen when a support arm(s) that contacts the cable moves upward or downward. Such shortening or lengthening can cause the handles coupled to the cables to inconveniently dangle an excessive distance downwardly from the support arm(s).
[0008] Other exercise apparatuses have problems because of lack of mobility of the arms and so the handles. Limiting the possible orientation of the arms can limit the degree of user arm movement. This in turn reduces the effectiveness of the workout performed by the user.
[0009] In light of the foregoing limitations, there is a continuing need for more versatile exercise apparatuses that overcome the above shortcomings.
Summary of the Invention
[0010] The present invention provides an exercise apparatus that can include a support structure having a base portion and that can house a resistance assembly. At least one arm assembly can be mounted to the support structure. Each of the one or more arm assemblies can include (i) an elongate member and (ii) a mounting bracket assembly. The mounting bracket assembly can be pivotally mounted to the elongate member and also mounted to the support structure so that a portion of the mounting bracket assembly can be adjustable about a substantially vertical axis. In one embodiment, the mounting bracket assembly can be mounted to the support structure at a location spaced apart from the base portion of the support structure. One portion of the mounting bracket assembly allows the elongate member to pivot upwardly and downwardly, while another portion allows at least a portion of the mounting bracket assembly (and thus the arm assembly) to pivot inwardly and outwardly (i.e., laterally), about a substantially vertical axis. At least one cable can extend from the resistance assembly to the arm assembly.
[0011] The ability of each arm assembly to pivot both upwardly and downwardly and inwardly and outwardly (i.e., laterally) about a substantially vertical axis located adjacent to and spaced apart from the support structure greatly increases the range of motions possible for a user of the apparatus. In addition, locating the points of rotation away from the base portion of the apparatus prevents a user' feet, shoes, shoelaces or other clothing from becoming entangled in the pivot mechanisms facilitating movement of the elongate arm during adjustment.
[0012] One embodiment of the apparatus further includes a pulley assembly that can include first, second, and third guide pulleys mounted adjacent a proximal end of the at least one arm assembly. The guide pulleys can be mounted such that the third guide pulley is mounted lower than the second guide pulley, which is mounted lower than the first guide pulley. In use, an end of the cable can contact at least one of the three guide pulleys before entering a proximal end of the elongate member and exiting a distal end of the elongate member. The contact between the cable and at least one of the three pulleys can regulate tension within the cable so that cable tension does not vary substantially as the elongate member of the arm assembly pivots from an upper position to a lower position, and from an inner position to an outer position.
[0013] In one embodiment, the guide pulleys can be positioned such that when the elongate member is pivoted so that it is at a generally upward angle, the cable contacts at least the second guide pulley, and optionally the first guide pulley, depending on how steeply the elongate member is raised. When the elongate member is pivoted so that it is at a generally downward angle, the cable can contact at least the third guide pulley, and optionally the first guide pulley. The cable may contact all three guide pulleys.
[0014] The configuration of the guide pulleys ensures that the cable is properly positioned with respect to the elongate member of the respective arm assembly regardless of whether the elongate member is in an upper position or a lower position. This orientation of the guide pulleys allows the cable to move freely without binding, regardless of the orientation of the arm assembly. This orientation also minimizes the shortening or lengthening of the portion of the cable extending from the distal end of the elongate member of the arm assembly when the arm or arms are moved upwardly or downwardly.
[0015] In one configuration the mounting bracket assembly of the arm assembly can include two locking pivot plates. A first locking pivot plate can be configured and positioned to pivot and lock the elongate member in a selected position relative to the mounting bracket assembly (e.g., upwardly and downwardly), while the second locking pivot plate can be configured and positioned so that a portion of the mounting bracket assembly can pivot about a substantially vertical axis and lock the mounting bracket assembly in a selected position relative to the support frame of the apparatus (e.g., inwardly and outwardly).
[0016] The apparatus can also include at least one foot pedal located near the base portion of the support structure. The at least one foot pedal can be used to actuate a locking pin that interacts with the second pivot plate. The locking pin itself can be located adjacent a middle portion of the support structure, adjacent the second pivot plate, while the foot pedal can be located near the base of the support structure. A push rod can connect the foot pedal to the locking pin. The foot pedal can be selectively actuated, unlocking the pivot pin from the second pivot plate, and allowing a user to pivot the second pivot plate as desired, at which time the foot pedal is released, causing the locking pin to lock the second locking pivot plate in a selected position relative to the support structure.
[0017] These and other objects and features of the present invention will become more fully apparent from the following description and appended claims, or may be learned by the practice of the invention as set forth hereinafter.
Brief Description of the Drawings
[0018] In order that the manner in which the above recited and other benefits, advantages and features of the invention are obtained, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Understanding that these drawings depict only typical embodiments of the invention and are not therefore to be considered limiting of its scope, the invention will be described and explained with additional specificity and detail through the use of the accompanying drawings in which:
[0019] FIG. 1 is a perspective view of an exemplary exercise apparatus of the present invention;
[0020] FIG. 2 is a diagram illustrating one path of the cables through the exercise apparatus of FIG. 1 ;
[0021] FIG. 3 is a close up perspective view of a first arm assembly of the apparatus of FIG. 1 ;
[0022] FIG. 4 is an exploded close up view of a portion of a mounting bracket assembly of the exercise apparatus of FIG. 1 ;
[0023] FIG. 5 is an exploded close up view of another portion of the mounting bracket assembly of FIG. 4 ;
[0024] FIG. 6 is a diagram illustrating a portion of a locking mechanism usable with the mounting bracket assembly of FIG. 5 of the exercise apparatus of FIG. 1 ; and
[0025] FIG. 7 is an exploded close up view of a swivel arm assembly of the first arm assembly of FIG. 3 of the exercise apparatus of FIG. 1 .
Detailed Description of the Preferred Embodiments
[0026] A detailed description of the invention will now be provided with specific reference to Figures illustrating various exemplary embodiments. It will be appreciated that like structures will be provided with like reference designations, i.e. like numerical designations with different post scripts.
[0027] The present invention is directed to an exercise apparatus including a support structure having a base portion and housing a resistance assembly, such as one or more weight stacks or other structures that provide resistance to a user operating the exercise apparatus. At least one arm assembly is mounted to the support structure and receives at least one cable that extends from the resistance assembly to a handle graspable by a user. Each of the one or more arm assemblies can include: (i) an elongate member, and (ii) a mounting bracket assembly. The mounting bracket assembly can be pivotally mounted to the elongate member and mounted to the support structure so as to be adjustable about a substantially vertical axis. Mounting of the mounting bracket assembly can be at a location spaced apart from the base portion of the support structure. This mounting bracket assembly can enable the elongate member to (i) pivot upwardly and downwardly generally parallel to a vertical axis of the exercise apparatus, and/or (ii) move laterally relative to a vertical axis of a portion of the mounting bracket assembly.
[0028] The ability of each arm assembly to pivot upwardly, downwardly, and laterally relative to a portion of the support structure greatly increases the range of motions possible for a user of the apparatus. In addition, locating the arm assembly, and so the mounting bracket assembly, away from the base portion of the apparatus prevents a user' feet, shoes, shoelaces or other clothing from becoming entangled in the mechanism that facilitates movement of the arm assembly during adjustment.
[0029] With reference to FIG. 1 , an exercise apparatus 10 is disclosed. The exercise apparatus 10 can include a support structure 12 that supports a resistance assembly 20 and two arm assemblies 40a and 40b. Extending from resistance assembly 20 and cooperating with arm assemblies 40a and 40b are one or more cables 30a and 30b. Cable 30a extends from resistance assembly 20, passes through portions of support structure 12, and terminates at a portion of arm assembly 40a, while cable 30b extends from resistance assembly 20, passes through portions of support structure 12, and terminates at a portion of arm assembly 40b.
[0030] Turning first to support structure 12, support structure 12 can have a base portion 14, a middle portion 16, and a top portion 18. In the illustrated configuration, support structure 12 includes an internal frame 22 and a housing 24 mounted to and generally surrounding internal frame 22. The internal frame 22 provides structural strength to exercise apparatus 10, while housing 24 functions as a protective cover and encloses and prevents inadvertent access to resistance assembly 20 and other components, assemblies, and mechanisms of exercise apparatus 10. It will be understood that internal frame 22 can be optionally integrally formed with housing 24. In an alternative embodiment, housing 24 may be more than a protective cover, itself providing structural strength to exercise apparatus 10.
[0031] As mentioned, supported by support structure 12 is resistance assembly 20. The resistance assembly 20 can include dual weight stack assemblies 26a and 26b. Each weight stack assembly 26a and 26b can include one or more weight plates 28 slidable along a support rod (not shown). In other configurations, however, apparatus 10 can include one or more weight stack assemblies or other structures capable of providing resistance to a user operating exercise apparatus 10. For instance, in other configurations, resistance assembly 20 can include one or more synthetic resistance bands or members, one or more fluid shocks, or other structures that resist the movement of an exercising user.
[0032] Mounted to support structure 12 are arm assemblies 40a and 40b. Discussion will be made herein to the configuration of arm assembly 40a and any portions of exercise apparatus 10 that interacts with and relates to arm assembly 40a. It will be understood that such discussion will also apply to arm assembly 40b and any portions of exercise apparatus 10 that interacts with and relates to arm assembly 40b. As identified previously, like structures will be provided with like reference designations.
[0033] As shown in FIG. 1 , arm assembly 40a can include an elongate member 42a, a mounting bracket assembly 44a mounted to a proximal end of elongate member 42a, and a swivel arm assembly 46a located at a distal end of arm assembly 40a. Elongate member 42a can be pivotally mounted to mounting bracket assembly 44a, and mounting bracket assembly 44a can be mounted to support structure 12 so that a portion of mounting bracket assembly 44a pivots relative to support structure 12. The pivotal mounting of elongate member 42a to mounting bracket assembly 44a allows elongate member 42a to be selectively pivoted between at least an upper position and a lower position. For easy of explanation and illustration, elongate member 42a is show in the upper position and elongate member 44b of arm assembly 40b is shown in the lower position. It will be understood that each elongate member 42a and 44b can be positioned in the upper position, the lower position, or any available position between the upper position and the lower position. The range of motion between the upper position and the lower position can be about 165 degrees, i.e., elongate arm 42a traverses approximately 165 degrees when it moves from the maximum upper position to the maximum lower position. It will be understood that in other configurations, the range of motion can be greater or less than about 165 degrees.
[0034] Cable 30a can extend from resistance assembly 20 to arm assembly 40a. A proximal end of cable 30a can mount to support structure 12, while the distal end terminates at an optionally removable user handle 32a after cable 30a runs through a series of pulleys (FIG. 2 ) within support structure 12 and exits through swivel arm assembly 46a located at a distal end of arm assembly 40a. A stop 34a can be mounted to the distal end to prevent the distal end of cable 30a being drawn into swivel arm assembly 46a under the influence of resistance assembly 20 and maintain a portion of cable 30a accessible to attach user handle 32a.
[0035] Generally, cable 30a can link user handle 32a to resistance assembly 20, including weight stack assembly 26a. The combination of the pulleys and the weight stack 26a can provide the resistance to the exercising user as the user pulls upon user handle 32a and draws a portion of cable 30a from within support structure 12. The pulleys provide a 2:1 load ratio for a user grasping and pulling upon handle 32a. In this way, a one hundred fifty pound weight stack assembly 26a may be moved by the application of seventy five pounds force at handle 32a (one hundred fifty pounds total force when both handles and both weight stack assemblies are used simultaneously). The 2:1 ratio reduces the inertia of one or more weight plates 28 forming part of weight stack assembly 26a by reducing the rate of movement of weight plates 28 compared to the rate of travel at handle 32a. For example, a 2:1 ratio allows handle 32a to move two times faster than weight plates 28. The 2:1 ratio also allows a handle movement equal in length to two times the travel distance of weight plates 28 of weight stack assembly 26a. This allows extended movements, such as, for example, overhead lift and bicep curls in addition to the dead lift movements, to provide users with greater flexibility in choosing a desired resistance level. Although illustrated and described as having a 2:1 ratio, it is to be understood that any other desirable ratio may be used.
[0036] It is understood that exercise apparatus 10 at FIG. 1 also includes arm assembly 40b having a similar configuration to arm assembly 40b. As such the features and functions of a weight stack 26b, a cable 30b, and a handle 32b, and arm assembly 40b, are similar to those of weight stack 26a, a cable 30a, and a handle 32a, and arm assembly 40a. Further, although described as having two independent weight stack assemblies 26a and 26b and two cables 30a and 30b, it is to be understood that the apparatus may alternatively include a single weight stack assembly and a single cable.
[0037] Turning to FIG. 2 , illustrated are the exemplary paths for cables 30a and 30b through various pulleys within exercise apparatus 10. The illustrated paths are for the situations with elongate member 42a (FIG. 1 ) is in an upper or raised position, and cable 30b when elongate member 44b (FIG. 1 ) is in a lower position. The following discussion will be directed principally to the path of cable 30a. Since a similar discussion can be made for the path of cable 30b, the following discussion can also apply to the path of cable 30b.
[0038] As shown in FIG. 2 , cable 30a can be terminated at a proximal end 36a (cable 30b is terminated at proximal end 36b) and coupled to support structure 12, such a plate or other structure, located near top portion 18 (FIG. 1 ). The cable 30a moves over one or more of a series of pulleys mounted to support structure 12 (FIG. 1 ). The cable 30a can extend from the support structure 12 and pass over a first lower pulley 50a associated with weight stack assembly 26a, a central upper pulley 52a disposed from first lower pulley 50a, a second lower pulley 54a associated with weight stack assembly 26a, and a second upper pulley 56a. Cable 30a extends from this second upper pulley 56a over a pulley 58a housed within a sleeve portion 36 of housing 24 (FIG. 1 ) and then over an arm pulley assembly 60a of arm assembly 40a. This arm pulley assembly 60a can have a first guide pulley 62a, a second guide pulley 64a, and a third guide pulley 66a. Dependent upon the position of elongate member 42a (FIG. 1 ) relative to support structure 12 (FIG. 1 ), cable 30a can engage or bypass third guide pulley 66a.
[0039] Following passing over one or more of first guide pulley 62a, second guide pulley 64a, or third guide pulley 66a, cable 30a extends towards a distal end of arm assembly 40a. Before exiting the distal end of arm assembly 40a, cable 30a can pass through a swivel arm pulley assembly 70a, having a first swivel pulley 72a and a second swivel pulley 74a, located within swivel arm assembly 46a, which will be described in more detail hereinafter. For instance, cable 30a can pass between first swivel pulley 72a and second swivel pulley 74a before exiting swivel arm assembly 46a (FIG. 1 ). Although the various pulleys are illustrated without cable guards for purposes of clarity, it is to be understood that cable guards may be included with one or more of the pulleys to maintain engagement of the cable with the pulley.
[0040] The pulleys 60a, 62a, 64a, are positioned such that stop 34a remains substantially in contact with swivel arm assembly 46a (FIG. 1 ) regardless of the position of elongate member 42a (FIG. 1 ). The pulleys 60a, 62a, 64a thus provide sufficient tension on cable 30a to prevent handle 32a coupled to the end of cable 30a from dangling excessively from elongate member 42a, regardless of whether elongate member 42a is in an upper or a lower position, and regardless of whether mounting bracket assembly 40a is in an inward or outward position.
[0041] As illustrated in FIGS. 1 and 2 , when elongate member 42a of arm assembly 40a is located in an upper position, cable 30a can contact guide pulleys 62a and 64a. When elongate member 42b is in a lower position, cable 30b can contact guide pulleys 64b and 66b, bypassing pulley 64b. Similar engagement of cables and pulleys can occur when elongate member 42a is in a lower position and elongate member 42b is in an upper position. For instance, when elongate member 42b is located in an upper position, cable 30b can contact guide pulleys 62b and 64b, while when elongate member 42a is in a lower position, cable 30a can contact guide pulleys 62a and 66a, bypassing pulley 64a.
[0042] Depending on the degree of incline or decline of elongate members 42a and 42b, only guide pulley 64a or 66b may be contacted respectively. This orientation of first, second, and third guide pulleys 62a, 64a, and 66a (and guide pulleys 62b, 64b, and 66b), allows cables 30a and 30b to move freely within an interior tubular passageway (not shown) of elongate members 42a, 44b without binding regardless of the orientation of elongate members 42a, 42b. This orientation further minimizes variations in the length and tension of cables 30a, 30b as at least one of elongate members 42a and 42b is moved upwardly or downwardly. Thus, cable tension does not vary substantially as one or both of first and second elongate members 42a and 42b are moved from an upper position to a lower position.
[0043] With continued reference to FIGS. 1 and 2 , resistance assembly 20 may include a perforated support rod or frame (not shown) for supporting each weight stack assembly 26a and 26b. The weight plates 28 of each weight stack assembly 26a and 26b can be mounted to the perforated support rod or frame (not shown). Inserting a locking pin (not shown) through a portion of the weight plate 28 and into a hole of the perforated support rod or frame (not shown) enables a user to select the number of weight plates 28 to be moved through movement of cable 30a. Other manners to support and move weight plates 28 are known to those skilled in the art.
[0044] As a user pulls upon user handle 32a, the movement of cable 30a causes movement of weight stack assembly 26a and controls the movement of the weight plates 28. For instance, with lower pulleys 50a, 54a mounted to a portion of the support rod or frame (not shown) though a coupling member (not shown) and the locking pin (not shown) engaged with a hole of the perforated support rod, movement of cable 30a moves pulleys 50a and 54a upwardly. This upward movement of pulleys 50a and 54a results in upward movement of weight plates 28 of weight plate assembly 26a against the force of gravity. Cable 30b may be connected in a similar manner in order to lift weight stack assembly 26b.
[0045] Although one orientation is disclosed for the various pulleys used in accordance with the present invention, those skilled in the art will readily understand that the exact orientation of the pulleys may be varied without departing from the spirit of the present invention. Additional information regarding use of the perforated support rod can be found in U.S. patent application Ser. No. 10/358,993, filed Feb. 15, 2003, and entitled “Cable Crossover Exercise Apparatus,” the disclosure of which is incorporated herein by reference.
[0046] Turning now to FIG. 3 , illustrated is one configuration of arm assembly 40a. The following discussion will be directed toward the configuration of arm assembly 40a, but a similar discussion can be provided for arm assembly 40b. As discussed before, arm assembly 40a pivotally mounts to support structure 12 (FIG. 1 ). The arm assembly 40a can include elongate member 42a and mounting bracket assembly 44a. Optionally, arm assembly 40a includes swivel assembly 46a.
[0047] Turning first to elongate member 42a, elongate member 42a has a proximal end 80a, a distal end 82a, and an interior channel (not shown) through which cable 30a passes. Extending from elongate member 42a at a location between proximal end 80a and distal end 82a is an optional counterweight 84a. This counterweight 84a can assist with movement of elongate member 42a during positioning for use and offset the weight and moment forces associated with swivel assembly 46a.
[0048] Mounted to proximal end 80a of elongate member 42a is an optional bracket 94a that facilitates engagement between elongate member 42a and mounting bracket assembly 44a. This bracket 94a can receive elongate member 42a and pivotally mount to mounting bracket assembly 44a. In this manner, a user can select a desired orientation for elongate member 42a relative to mounting bracket assembly 44a and to lock elongate member 42a in place. It will be understood that this bracket 94a and/or the general function of bracket 94a can be performed or incorporated within mounting bracket assembly 44a or elongate member 42a.
[0049] Extending from bracket 94a is a lock member 86a. This lock member 86a includes a lumen 88a that can receive a locking pin (not shown) to selectively fix the position of bracket 94a and so elongate member 42a relative to mounting bracket assembly 44a. For instance, mounting bracket assembly 44a can include a generally semicircular flange or pivot plate 90a having a plurality of holes 92a. The locking pin (not shown) can pass through lock member 86a and engage with one or more of flange holes 92a to selectively fix the position of bracket 94a and so elongate member 42a relative to mounting bracket assembly 44a. The illustrated embodiment can include twelve selectable positions for elongate member 42a relative to mounting bracket assembly 44a through use of flange 90a and holes 92a, although more or fewer positions may be provided. Further, although reference is made to flange 90a being semicircular, it will be understood that flange 90a can have various other configurations, including, but not limited to, oval, curved, polygonal, or any other configuration that enables the flange to perform the desired function.
[0050] In practice, when a user desires to change the angular orientation of the elongate member 42a, the locking pin (not shown) is simply removed and lock member 86a aligned with another hole 92a at which time the locking pin is once again inserted in position to lock elongate member 42a relative to mounting bracket assembly 44a.
[0051] Generally, mounting bracket assembly 44a enables elongate member 42a to move in a number of different planes so that a user can select various different orientations for use in performing various exercises. The inclusion of flange 90a aids with movement of elongate member 42a upwardly and downwardly. This flange 90a can form part of a pivot assembly 100a of mounting bracket assembly 44a. A mounting assembly 102a can also form part of mounting bracket assembly 44a. The pivot assembly 100a and mounting assembly 102a work together to enable elongate member 42a to move upwardly, downwardly and laterally relative to support structure 12 (FIG. 1 ). For instance, pivot assembly 100a facilitates upward and downward movement of elongate member 42a, while the combination of pivot assembly 100a and mounting assembly 102a facilitates lateral movement of elongate member 42a. The mounting assembly 102a also provides a mounting structure 104a though which mounting bracket assembly 44a mounts to support structure 12 (FIG. 1 ).
[0052] FIG. 4 illustrates an exploded configuration of pivot assembly 100a. Two members 110a and 112a spaced apart by pivot supports 114a and 116a form pivot assembly 100a. The pivot supports 114a and 116a provide an axis of rotation, identified by the letter A, for elongate member 42a (FIG. 3 ) to move laterally relative to support structure 12 (FIG. 1 ). A second axis of rotation, identified by letter B, can be provided by holes 118a in each of members 110a and 112a. This second axis of rotation enables elongate member 42a (FIG. 3 ) to move upwardly and downwardly relative to mounting bracket assembly 44a (FIG. 3 ).
[0053] Member 110a of pivot assembly 100a can receive flange 90a, while pulleys 62a, 64a, and 66a can mount to one or both of members 110a and 112a. To aid with guiding cable 30a and supporting one or more of pulleys 62a, 64a, and 66a, two interior mounting plates 120a and 122a can be provided.
[0054] As indicated above, the combination of pivot assembly 100a and mounting assembly 102a facilitates lateral movement of elongate member 42a (FIG. 3 ). Stated another way, the combination of pivot assembly 100a and mounting assembly 102a enables elongate member 42a (FIG. 3 ) to rotate about the axis of rotation B. This axis of rotation is spaced apart from support structure 12 (FIG. 1 ). To achieve this, mounting assembly 102a can include mounting structure 104a and pivot member 130a. It will be understood, however, that pivot member or plate 130a can be considered either as part of or separate from mounting assembly 102a.
[0055] In the illustrated configuration, mounting structure 104a can be a plate that mounts to support structure 12. Extending from this plate are two flanges 134a and 136a that support a generally cylindrical member 138a. This cylindrical member 138a can receive a pivot shaft 140a and associated rings 142a, washers 144a, bearings 146a, and other components known to those skilled in the art to enable rotational motion of pivot assembly 102a relative to cylindrical member 138a. The pivot shaft 140a engages with pivot structures 114a and 116a (FIG. 4 ) and a hole 150a in pivot member 130a so that pivot assembly 102a can rotate about pivot shaft 140a.
[0056] With continued reference to FIG. 5 , pivot member 130a functions in a similar manner to flange 90a, but controls the position of elongate member 42a (FIG. 3 ) about axis of rotation A rather than the position of elongate member 42a FIG. 3 ) about axis of rotation B. To provide the desired function, pivot member 130a mounts to pivot support 114a by way of one or more mechanical fasteners or other manners of mounting one structure to another can be used, including, but not limited to, friction fit techniques, chemical bond, welding, or other technique.
[0057] To enable variability in the position of elongate member 42a (FIG. 3 ), pivot member 130a can include a plurality of holes 154a that engage with a locking mechanism 156a, as illustrated in FIG. 6 . The locking mechanism 156a is operable by a user' foot so that the user' hands are free to orientate pivot assembly 100a (FIG. 3 ) relative to mounting assembly 102a (FIG. 3 ). It will be understood that there is a similar locking mechanism 156b for orientating the pivot assembly corresponding to arm assembly 40b. It should be understood that in an alternate configuration, a single pedal can be used to engage both locking mechanisms of exercise apparatus 10 (FIG. 1 ).
[0058] To prevent over rotation or unwanted lateral movement of arm assembly 40a, a flange 152a extends from pivot member 130a. This flange 152a can contact a stop 158a (FIG. 3 ) of support structure 12 (FIG. 1 ) to limit movement of pivot member 130a. For instance, as arm assembly 40a moves in a clockwise direction, flange 152a can contact stop 158a to prevent additional rotational motion or lateral movement. This can be considered the maximum rotation or lateral movement about rotation of axis A in one direction. The maximum rotation or lateral movement about rotation of axis A in the other direction can, in part, be controlled by the position of counterweight 84a and its contact with support structure 12 (FIG. 1 ). The range of movement of arm assembly 42a about rotation of axis A from the maximum rotation in one direction to the maximum rotation in the other direction can be about 82 degrees. It will be understood that ranges of motion greater or lesser than about 82 degrees are also possible. For instance, alternating the position of flange 152a and stop 158a can vary the range of motion. It will be understood that flange 152a could also contact another stop or the opposite side of stop 158a to prevent over rotation or unwanted lateral movement. One skilled in the art can identify various other ways of preventing the unwanted movement.
[0059] In the illustrated configuration, locking mechanism 156a can include a locking pin 160a disposed atop a push member 162a. The push member 162a is in turn mounted to a foot pedal 164a mountable to base portion 14 (FIG. 1 ) of support structure 12 (FIG. 1 ). Since foot pedal 164a is pivotally mounted to base portion 14 (FIG. 1 ), depressing foot pedal 164a causes push member 162a to move toward base portion 14 (FIG. 1 ) and removes locking pin 160a from engagement with one of holes 154a. This allows a user to pivot at least a portion of mounting bracket assembly 42a with respect to support structure 12 (FIG. 1 ). Once the desired orientation of arm assembly 40a is achieve, the user can release foot pedal 164a and allow locking pin 160a to engage with one of holes 154a. More specifically, a counter weight 166a of foot pedal 164a moves under gravity and because of the pivoted mounting of foot pedal 164a to support structure 12 (FIG. 1 ), causes movement of push member 162a upwardly to engage lock pin 160a with pivot member 130a. With this configuration, the locking mechanism 156a is biased to engage lock pin 160a with pivot member 130a. This provides a safety factor to use of exercise apparatus 10 (FIG. 1 ). It will be understood that locking mechanism 156a can include biasing openings, coils, fluid shocks, or other devices to maintain lock pin 160a in engagement with pivot member 130a, until foot pedal 164a or other devices is actuated by the user of exercise apparatus 10.
[0060] The illustrated embodiment includes nine selectable positions for positioning a portion of mounting bracket assembly 44a about axis of rotation A. It will be understood that any number of positions may be possible by increasing or decreasing the number of available holes in pivot member 130a, i.e., holes 154a.
[0061] FIG. 7 illustrates an exploded view of swivel arm assembly 46a. The assembly 46a includes a swivel arm 168a and two pulleys 72a and 74a. Swivel arm 168a is fitted with a trunnion 170a, a pair of pivot pulley bearings 172a, washers 174a, and a retainer ring 176a. The pivot pulley bearings 172a provide an opening through which cable 30a (FIG. 3 ) passes as it extends from its respective elongate member 42a (FIG. 3 ) through swivel arm assembly 46a. The cable 30a (FIG. 3 ) extends and exits between pulleys 72a and 74a. In this way, cable 30a (FIG. 3 ) contacts at least one of the pulleys 72a and 74a no matter the position of elongate member 40a, providing greater freedom of motion as an individual attempts to draw cable 30a in various directions during exercise.
[0062] With reference to FIG. 3 , since swivel arm assembly 46a permits a great degree of flexibility with regard to the angle at which cable 30a is drawn from elongate member 42a, the inclusion of swivel arm assembly 46a at the distal end of each of elongate member 42a greatly increases the flexibility of the present exercise apparatus.
[0063] As mentioned throughout, the present invention has been described generally with respect to arm assembly 40a and those portions of exercise apparatus 10 that cooperate with arm assembly 40a. It will be understood that the description contained herein also applies to arm assembly 40b and those portions of exercise apparatus 10 that cooperate with arm assembly 40b. Additional information regarding the features and functions of the exercise apparatus can be found in co-pending U.S. patent application Ser. No. 10/358,993, filed 02/05/2003, and entitled “Cable Crossover Exercise Apparatus”, the disclosure of which is incorporated herein by this reference.
[0064] It will be appreciated that the present invention can be embodied in a variety of different configurations and it may be possible to use a number of different materials to fabricate the exercise apparatus. For instance, metals, composites, synthetic materials, natural materials, or other materials can be used so long as the materials have the properties that enable the particular component, assembly, mechanism, etc. to perform the described function.
[0065] The present invention may be embodied in other specific forms without departing from its spirit or essential characteristics. The described embodiments are to be considered in all respects only as illustrative and not restrictive. The scope of the invention is, therefore, indicated by the appended claims rather than by the foregoing description. All changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims
Post-issuance certificates present
The text shown below may not reflect later post-issuance changes.
What is claimed is:
1. An exercise apparatus comprising:
a support structure supporting a resistance assembly and having a base portion;
first and second arm assemblies mounted to said support structure at a middle portion spaced apart from said base portion, at least a portion of each of said arm assemblies being movable laterally relative to said support structure; and
at least one cable extending from said resistance assembly to said arm assemblies,
wherein an elongate member of each arm assembly is selectively pivotable in a first plane between an upper position and a lower position; and is selectively pivotable in a second plane between an inner position and an outer position, and
further comprising at least one foot pedal located adjacent said base portion of said support structure for actuating a locking pin that engages a locking pivot plate of at least one of said arm assemblies so as to selectively enable at least one of the elongate members to be moved relative to the support structure between the inner and outer position and locked in a desired position, said locking pin and said locking pivot plate being disposed adjacent said middle portion of said support structure away from the base portion,
a push member coupling said foot pedal at said base portion to said locking pin at said middle portion, the locking pin being disposed atop the push member, an opposite end of the push member being mounted to the foot pedal at the base portion of the support structure, such that the length of the push member extends from the base portion to the middle portion of the support structure adjacent the arm assemblies, the entire length of the push member extending between the foot pedal at the base portion and the locking pin at the middle portion being enclosed within a housing of the support structure.
2. An exercise apparatus as recited in claim 1, wherein each arm assembly further comprises a mounting bracket assembly mounted to said support structure and an elongate member pivotally mounted to said mounting bracket assembly.
3. An exercise apparatus as recited in claim 1, wherein each arm assembly further comprises a mounting bracket assembly mounted to said support structure, at least a portion of said mounting bracket assembly being movable about a substantially vertical axis.
4. An exercise apparatus as recited in claim 1, wherein each arm assembly further comprises a pivot assembly and a mounting assembly, said mounting assembly being mounted to said support structure and said pivot assembly being movable relative to said mounting assembly.
5. An exercise apparatus as recited in claim 4, wherein an elongate member is pivotally mounted to said pivot assembly.
6. An exercise apparatus comprising:
a support structure supporting a resistance assembly and having a base portion;
a first arm assembly mounted to said support structure at a middle portion spaced apart from said base portion, said first arm assembly being movable about a first axis that is generally parallel to a longitudinal axis of said support structure;
a second arm assembly mounted to said support structure at a middle portion spaced apart from said base portion, said second arm assembly being movable about a second axis that is generally parallel to said longitudinal axis of said support structure; and
at least one cable extending from said resistance assembly to said at least one arm assembly,
wherein an elongate member of each arm assembly is selectively pivotable in a first plane between an upper position and a lower position; and is selectively pivotable in a second plane between an inner position and an outer position, and
further comprising first and second foot pedals located adjacent said base portion of said support structure for actuating a locking pin that engages a corresponding locking pivot plate of a corresponding one of said arm assemblies, selectively enabling respective first and second arm assemblies to be moved relative to the support structure between the inner and outer position, and locked in a desired position, said locking pin and said locking pivot plate being disposed adjacent said middle portion of said support structure away from the base portion;
a push member coupling each foot pedal at said base portion to a corresponding locking pin at said middle portion, each locking pin being disposed atop the push member, an opposite end of the push member being mounted to the foot pedal at the base portion of the support structure, such that the length of the push member extends from the base portion to the middle portion of the support structure adjacent the arm assemblies, the entire length of each push member extending between a corresponding foot pedal at the base portion and the corresponding locking pin at the middle portion being enclosed within a housing of the support structure.
7. An exercise apparatus as recited in claim 6, wherein each of said first arm assembly and said second arm assembly comprises a mounting bracket assembly mounted to said support structure and an elongate member pivotally mounted to said mounting bracket assembly.
8. An exercise apparatus as recited in claim 7, wherein said mounting bracket assembly further comprises a pivot assembly and a mounting assembly, said mounting assembly mountable to said support structure and said pivot assembly being movable relative to said mounting assembly.
9. An exercise apparatus as recited in claim 8, wherein said elongate member is pivotally mounted to said pivot assembly.
10. An exercise apparatus as recited in claim 6, wherein said first axis and said second axis are each a substantially vertical axis.
11. An exercise apparatus comprising:
a support structure housing a resistance assembly and having a base portion, a top portion, and a middle portion;
at least one arm assembly mounted to said support structure, said at least one arm assembly comprising (i) an elongate member and (ii) a mounting bracket assembly, said mounting bracket assembly being pivotally mounted to said elongate member and at least a portion of said mounting bracket assembly being movable relative to said middle portion of said support; and
at least one cable extending from said resistance assembly to said at least one arm assembly,
wherein said elongate member is pivotally mounted to said mounting bracket assembly such that: (i) said elongate member is selectively pivotable in a first plane between an upper position and a lower position; and (ii) at least a portion of said mounting bracket assembly is selectively pivotable in a second plane between an inner position and an outer position,
wherein said mounting bracket assembly comprises: (i) a first locking pivot plate for pivoting and locking said elongate member in a selected position relative to a first portion of said mounting bracket assembly, and (ii) a second locking pivot plate for pivoting and locking a portion of said mounting bracket assembly in a selected position relative to said support structure, and
further comprising at least one foot pedal located adjacent said base portion of said support structure for actuating a locking pin that engages said second locking pivot plate, said locking pin being operable to lock said second locking pivot plate of said mounting bracket assembly in a selected position relative to said support structure, said locking pin and said second locking pivot plate being disposed adjacent said middle portion of said support structure away from the base portion;
wherein a push member couples said foot pedal at said base portion to said locking pin at said middle portion, the locking pin being disposed atop the push member, an opposite end of the push member being mounted to the foot pedal at the base portion of the support structure such that the length of the push member extends from the base portion to the middle portion of the support structure adjacent the arm assembly, the entire length of the push member extending between the foot pedal at the base portion and the locking pin at the middle portion being enclosed within a housing of the support structure.
12. An exercise apparatus as recited in claim 11, wherein said at least one arm assembly further comprises first, second, and third guide pulleys mounted adjacent a proximal end of the at least one arm assembly.
13. An exercise apparatus as recited in claim 12, wherein said third guide pulley is mounted at a first location closer to said base portion than said second guide pulley and said second guide pulley is mounted at a second location that is closer to said base portion than said first guide pulley.
14. An exercise apparatus as recited in claim 13, wherein an end of said at least one cable contacts at least one of said first, second, and third guide pulleys, and then enters a proximal end of said elongate member and exits through a distal end of said elongate member such that cable tension does not vary substantially as said elongate member of said arm assembly is pivoted from an upper position to a lower position.
15. An exercise apparatus as recited in claim 14, wherein when said elongate member is in a raised position, an end of said cable passes around and contacts said first guide pulley and said guide second pulley before passing into an opening of said elongate member, and when said elongate member is in a lowered position, an end of said cable passes around and contacts said first guide pulley and said third guide pulley before passing into an opening of said elongate member.
16. An exercise apparatus as recited in claim 11, wherein said first locking pivot plate provides for pivoting and locking said elongate member in the first plane between an upper position and a lower position, and said second locking pivot plate provides for pivoting and locking said elongate member between an inner position and an outer position, and wherein said second locking pivot plate is disposed below said first locking pivot plate.
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