초록 ▼

Adjustable press arm apparatus and methods are disclosed. In one embodiment, an exercise machine includes a load, a force-transferring assembly operatively coupled to the load, and a movable press arm operatively coupled to a press arm adjustment assembly that is selectively engageable with the forc

Adjustable press arm apparatus and methods are disclosed. In one embodiment, an exercise machine includes a load, a force-transferring assembly operatively coupled to the load, and a movable press arm operatively coupled to a press arm adjustment assembly that is selectively engageable with the force-transferring assembly. The press arm adjustment assembly includes a moveable swing member having an indexing portion, and an engagement device coupled to and moveable with the swing member, the engagement device being adapted to operatively engage the force-transferring assembly. A locking device is coupled to the press arm and moveable between first and second position to selectively coupled and uncouple the press arm from the load.

대표청구항 ▼

1. An exercise machine, comprising: a load;a force-transferring assembly operatively coupled to the load, wherein the force-transferring assembly includes a cable;a movable press arm adjustably pivotable about a pivot axis; anda press arm adjustment assembly operatively coupled to the moveable press

1. An exercise machine, comprising: a load;a force-transferring assembly operatively coupled to the load, wherein the force-transferring assembly includes a cable;a movable press arm adjustably pivotable about a pivot axis; anda press arm adjustment assembly operatively coupled to the moveable press arm and selectively engageable with the force-transferring assembly, the press arm adjustment assembly including: a moveable swing member having an indexing portion, the moveable swing member being rotatable with the moveable press arm about the pivot axis, the indexing portion including an arcuately-shaped surface having a plurality of engagement projections projecting outwardly from the arcuately-shaped surface along one or more projection directions;an engagement device coupled to and moveable with the swing member, the engagement device being configured to operatively engage the force-transferring assembly, the engagement device being selectively disengageable from the moveable press arm and allowing the moveable press arm to move independently from the engagement device, wherein the engagement device is configured to fixedly attach the cable to the swing member; anda locking assembly configured to selectively disengage the press arm from the moveable swing member, including a locking device coupled to the press arm and moveable between a first position wherein the locking device is engaged with at least one of the plurality of engagement projections of the indexing portion and the swing member is coupled to the press arm such that a force exerted on the press arm is transmitted through the force-transferring assembly to the load, and a second position wherein the locking device is disengaged from the plurality of engagement projections of the indexing portion and the swing member is decoupled from the press arm such that a force exerted on the press arm is not transmitted through the force-transferring assembly to the load. 2. The exercise machine of claim 1, wherein the moveable press arm is operatively coupled to the moveable swing member by a laterally extending transfer member such that the swing member having an indexing portion is laterally displaced from a user. 3. The exercise machine of claim 1, wherein the force-transferring assembly comprises a cable-and-pulley assembly having at least one cable, and wherein the engagement device comprises a pulley adapted to engage the at least one cable. 4. The exercise machine of claim 1, wherein the cable comprises a first cable, and wherein the force-transferring assembly further includes a second cable coupled to the load and operatively coupled to the first cable, and wherein the engagement device comprises a pulley adapted to engage the first cable. 5. The exercise machine of claim 4, wherein the second cable is operatively coupled to the first cable by a double floating pulley. 6. The exercise machine of claim 1, wherein the press arm adjustment assembly further includes a biasing spring coupled to the locking member and adapted to bias the locking member into the first position. 7. The exercise machine of claim 1, further comprising an actuator assembly coupled to the press arm and having a control member operatively coupled to the locking member, the control member being moveable between an engagement position such that the locking member is in the first position, and a disengagement position such that the locking member is in the second position. 8. The exercise machine of claim 7, wherein the control member is coupled to the locking member by an actuator cable. 9. The exercise machine of claim 1, wherein the moveable swing member includes a substantially planar portion, the indexing portion being at least partially formed within the substantially planar portion such that the one or more projection directions are substantially directed toward the pivot axis, and wherein the locking device is moveable along a locking direction that is substantially aligned with the substantially planar portion. 10. The exercise machine of claim 1, further comprising a support operatively coupled to the load and stationary relative to the moveable swing member, and wherein the force-transferring assembly includes at least one pulley coupled to the support. 11. An exercise machine, comprising: a load;a cable-and-pulley assembly operatively coupled to the load;a movable press arm adjustably pivotable about a pivot axis; anda press arm adjustment assembly operatively coupled to the moveable press arm and selectively engageable with the force-transferring assembly, the press arm adjustment assembly including: a moveable swing member having an indexing portion that includes an arcuately-shaped surface having a plurality of engagement projections projecting outwardly therefrom, and an engagement portion configured to operatively engage a cable of the cable-and-pulley assembly, the moveable swing member being rotatable with the moveable press arm about the pivot axis, the engagement portion being selectively disengageable from the moveable press arm and allowing the moveable press arm to move independently from the engagement portion, wherein the cable is fixedly attached to the engagement portion of the swing member; anda locking assembly configured to selectively disengage the press arm from the moveable swing member, including a locking device coupled to the press arm and moveable between a first position wherein the locking device is engaged with at least one of the plurality of engagement projections of the indexing portion and the swing member is coupled to the press arm such that a force exerted on the press arm is transmitted through the cable-and-pulley assembly to the load, and a second position wherein the locking device is disengaged from the plurality of engagement projections of the indexing portion and the swing member is decoupled from the press arm such that a force exerted on the press arm is not transmitted through the cable-and-pulley assembly to the load. 12. The exercise machine of claim 11, wherein the moveable press arm is operatively coupled to the moveable swing member by a laterally extending transfer member such that the swing member having an indexing portion is laterally displaced from a user. 13. The exercise machine of claim 11, wherein the cable comprises a first cable and wherein the cable-and-pulley assembly includes a second cable coupled to the load and operatively coupled to the first cable. 14. The exercise machine of claim 11, wherein the moveable swing member includes a substantially planar portion, the indexing portion being at least partially formed within the substantially planar portion such that the one or more projection directions are substantially directed toward the pivot axis, and wherein the locking device is moveable along a locking direction that is substantially aligned with the substantially planar portion. 15. The exercise machine of claim 11, wherein the press arm adjustment assembly further includes a biasing spring coupled to the locking member and adapted to bias the locking member into the first position. 16. The exercise machine of claim 11, further comprising an actuator assembly coupled to the press arm and having a control member operatively coupled to the locking member, the control member being moveable between an engagement position such that the locking member is in the first position, and a disengagement position such that the locking member is in the second position. 17. The exercise machine of claim 16, wherein the control member is coupled to the locking member by an actuator cable. 18. The exercise machine of claim 11, further comprising a support operatively coupled to the load and stationary relative to the moveable swing member, and wherein the cable-and-pulley assembly further includes at least one stationary pulley coupled to the support proximate the swing member. 19. A method of exercising using an exercise machine, comprising: approaching a press arm assembly operatively coupled by a force-transferring assembly to a load, wherein the force-transferring assembly includes a cable, the press arm assembly including a press arm coupled to an adjustment assembly, the press arm being pivotable about a pivot axis, the adjustment assembly including a swing member rotatable with the press arm about the pivot axis, the swing member having an indexing portion and an engagement portion configured to engage the force-transferring assembly, wherein the engagement portion is configured to fixedly attach the cable to the swing member, the indexing portion including an arcuately-shaped surface having a plurality of engagement projections projecting outwardly from the arcuately-shaped surface along one or more projection directions, the adjustment assembly being configured to selectively disengage the press arm from the swing member and the engagement portion;actuating the adjustment assembly to disengage the press arm assembly from the swing member and the load, including disengaging at least part of the adjustment assembly from one or more of the plurality of engagement projections of the indexing portion;adjusting a position of the press arm about the pivot axis;actuating the adjustment assembly to engage the press arm assembly with the swing member and the load, including engaging at least part of the adjustment assembly with one or more of the plurality of engagement projections of the indexing portion; andexerting a force on the press arm to cause a moveable swing member of the adjustment assembly to rotate about the pivot axis and to cause an engagement portion of the swing member to engage with the force-transferring assembly, thereby transmitting the force to the load. 20. The method of claim 19, wherein actuating the adjustment assembly to engage the press arm assembly with the swing member and the load includes moving a locking device coupled to the press arm into engagement with at least one of the plurality of engagement projections of the indexing portion of the swing member to connect the press arm to the swing member such that the force exerted on the press arm is transmitted through the force-transferring assembly to the load. 21. The method of claim 19, wherein actuating the adjustment assembly to disengage the press arm assembly from the swing member and the load includes moving a locking device coupled to the press arm out of engagement with the indexing portion of the swing member to disconnect the press arm from the swing member such that the force exerted on the press arm is not transmitted through the force-transferring assembly to the load. 22. The method of claim 19, wherein: actuating the adjustment assembly to disengage the press arm assembly from the swing member and the load includes moving a locking device coupled to the press arm out of engagement with the indexing portion of the swing member to disconnect the press arm from the swing member such that the force exerted on the press arm is not transmitted through the force-transferring assembly to the load;adjusting a position of the press arm about the pivot axis includes moving the press arm to a desired position; andactuating the adjustment assembly to engage the press arm assembly with the swing member and the load includes moving the locking device coupled to the press arm into engagement with at least one of the plurality of engagement projections of the indexing portion of the swing member to connect the press arm to the swing member such that the force exerted on the press arm is transmitted through the force-transferring assembly to the load. 23. The method of claim 19, wherein exerting a force on the press arm to cause an engagement portion of the swing member to engage with the force-transferring assembly includes exerting a force on the press arm to cause a pulley coupled to and moveable with the swing member to engage with the force-transferring assembly. 24. The method of claim 19, wherein the moveable press arm is operatively coupled to the moveable swing member by a laterally extending transfer member such that the swing member having an indexing portion is laterally displaced from a user, and wherein exerting a force on the press arm to cause an engagement portion of the swing member to engage with the force-transferring assembly includes exerting a force on the press arm to cause an engagement portion of the swing member that is laterally displaced from the user to engage with the force-transferring assembly.