An exercise arm assembly has a main arm with a central region having a first pivot connection for connection to a frame of an exercise machine to allow pivoting of the main arm about a primary pivot axis, a first swing arm pivoted to one end of the main arm for pivoting about a first swing arm pivot
An exercise arm assembly has a main arm with a central region having a first pivot connection for connection to a frame of an exercise machine to allow pivoting of the main arm about a primary pivot axis, a first swing arm pivoted to one end of the main arm for pivoting about a first swing arm pivot axis, and a second swing arm pivoted to the opposite end of the main arm for pivoting about a second swing arm pivot axis. Each swing arm has at least one handle spaced from the respective swing arm pivot axis for gripping by a user when performing exercises. The swing arm pivot axes are inclined inwardly towards one another to intersect at a location spaced below the first pivot axis, such that the swing arms automatically swing outwardly into an outward rest position when released.
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I claim: 1. An exercise arm assembly, comprising: a main arm having a central region and opposite ends, the central region having a first pivot connection for connection to a frame of an exercise machine to allow pivoting of the main arm about a first pivot axis; a first swing arm pivoted to one en
I claim: 1. An exercise arm assembly, comprising: a main arm having a central region and opposite ends, the central region having a first pivot connection for connection to a frame of an exercise machine to allow pivoting of the main arm about a first pivot axis; a first swing arm pivoted to one end of the main arm for pivoting about a first swing arm pivot axis; a second swing arm pivoted to the opposite end of the main arm for pivoting about a second swing arm pivot axis; each swing arm having at least one handle spaced from the respective swing arm pivot axis for gripping by a user when performing exercises; the swing arm pivot axes being inclined inwardly towards one another to intersect at a location spaced below the first pivot axis; and a pivot connection between the main arm and each swing arm defining said first and second swing arm pivot axes, each pivot connection including an end stop defining an outward rest position for the respective swing arm, each swing arm pivot axis being at a predetermined angle such that the respective swing arm will automatically fall outward into the rest position when released. 2. An exercise arm assembly, comprising: a main arm having a central region and opposite end portions, the central region having a first pivot connection for connection to a frame of an exercise machine to allow pivoting of the main arm about a first pivot axis; a first swing arm pivotally associated with a first end portion of the main arm for pivoting about a first swing arm pivot axis; a second swing arm pivotally associated with a second end portion of the main arm for pivoting about a second swing arm pivot axis; each swing arm having at least one handle spaced from the respective swing arm pivot axis for gripping by a user when performing exercises; the swing arm pivot axes being inclined inwardly towards one another to intersect at a location spaced below the first pivot axis; and each swing arm pivot axis is at a predetermined compound angle which is inclined inwardly towards the other swing arm pivot axis and forwardly towards the handle, whereby the handle changes in elevation as the swing arm is pivoted between an outward rest position and an inward position. 3. The apparatus as claimed in claim 2, further comprising a pivot connection pivotally connecting each handle to the respective swing arm for rotation about a handle pivot axis spaced from the swing arm pivot axis. 4. The apparatus as claimed in claim 3, wherein the pivot connection comprises a receiving tube, the handle having an end portion rotatably mounted in said receiving tube. 5. The apparatus as claimed in claim 4, wherein the pivot connection further comprises a range limiting device for limiting rotation of the handle about the handle pivot axis. 6. The apparatus as claimed in claim 2, further comprising a secondary handle secured to each end of the main arm for use in performing additional exercises. 7. The apparatus as claimed in claim 2, wherein the swing arm pivot axis is inclined inwardly at a predetermined angle which is approximately 8 degrees to the vertical when the apparatus is installed on an exercise machine. 8. An exercise arm assembly, comprising: a main arm baying a central region and opposite end portions, the central region having a first pivot connection for connection to a frame of an exercise machine to allow pivoting of the main arm about a first pivot axis; a first swing arm pivotally associated with a first end portion of the main arm for pivoting about a first swing arm pivot axis; a second swing arm pivotally associated with a second end portion of the main arm for pivoting about a second swing arm pivot axis; each swing arm having at least one handle spaced from the respective swing arm pivot axis for gripping by a user when performing exercises; the swing arm pivot axes being inclined inwardly towards one another to intersect at a location spaced below the first pivot axis; and the swing arm has a generally straight portion extending from the swing arm pivot up to a bend, and the handle comprises an integral bent end portion of the swing arm extending from said bend; the bent end portion comprising a first portion extending inwardly from said bend towards the handle on the opposite arm, and a second portion projecting generally downwardly from said first portion. 9. The apparatus as claimed in claim 8, wherein the handle further comprises a third portion bent outwardly from said second portion, the second and third portions comprising grips for selective gripping by a user with their hands in different orientations. 10. An exercise arm assembly, comprising: a main arm having a central region and opposite end portions, the central region having a first pivot connection for connection to a frame of an exercise machine to allow pivoting of the main arm about a first pivot axis; a first swing arm pivotally associated with a first end portion of the main arm for pivoting about a first swing arm pivot axis; a second swing arm pivotally associated with a second end portion of the main arm for pivoting about a second swing arm pivot axis; each swing arm having at least one handle spaced from the respective swing arm pivot axis for gripping by a user when performing exercises; the swing arm pivot axes being inclined inwardly towards one another to intersect at a location spaced below the first pivot axis; a secondary handle secured to each end portion of the main arm for use in performing additional exercises; and a pivot mounting bracket secured to each end of the main arm, the pivot mounting bracket having a pivot connection pivotally connecting the swing arm to the bracket for pivoting about the respective swing arm pivot axis, and the secondary handle being secured to the bracket to project in a direction generally away from the swing arm. 11. An exercise machine, comprising: a support frame having a base, an upright portion extending upwardly from the base and having an upper end, and an upper support extending transversely from the upper end of the upright portion; a seat supported on the frame facing a forward end of the machine; an exercise arm apparatus pivotally secured to the frame, the apparatus comprising a main arm pivotally secured to the frame for rotation about a primary pivot axis, a first swing arm extending on one side of the seat and pivotally secured to the main arm for rotation about a swing arm pivot axis between outward and inward positions, and at least one handle associated with the swing arm, a second swing arm pivoted to the main arm on the opposite side of the seat to the first swing arm for pivoting about a second swing arm pivot axis, the swing arm pivot axes being parallel to one another and at a predetermined orientation relative to the main arm pivot axis such that the swing arm pivot axes are inclined rearward when the main arm is in a rest position; and first and second locking members on the main arm and at least the first swing arm, respectively, one of said locking members having a plurality of slots for selective engagement with the other locking member to define a plurality of different fixed positions for said first swing arm. 12. The machine as claimed in claim 11, further comprising an end plate on the main arm, a pivot member extending from said end plate in a direction away from the main arm to define said first swing arm pivot axis, the first swing arm pivotally engaging said pivot member, the second locking member comprising a receiving plate on the first swing arm at a location spaced from said first swing arm pivot axis, the receiving plate having said plurality of slots defining plural fixed positions of said first swing arm about said pivot axis, and the first locking member being mounted on said main arm end plate for releasable engagement in a selected slot. 13. The machine as claimed in claim 11, further comprising a secondary handle associated with each swing arm for pivotal motion with the respective swing arm. 14. An exercise machine, comprising: a support frame having a base, an upright portion extending upwardly from the base and having an upper end, and an upper support extending transversely from the upper end of the upright portion; a seat supported on the frame facing a forward end of the machine; an exercise arm apparatus pivotally secured to the frame, the apparatus comprising a main arm having opposite ends, the main arm being pivotally secured to the frame for rotation about a primary pivot axis, a first swing arm pivotally secured to one end of the main arm for rotation about a first swing arm pivot axis between outward and inward positions, and a second swing arm pivotally secured to the opposite end of the main arm for rotation about a second swing arm pivot axis between outward and inward positions, the swing arms extending on opposite sides of said seat; the swing arm pivot axes being inclined inwardly towards one another and non-perpendicular to the main pivot axis; and a handle associated with each swing arm; whereby each handle changes in elevation as the respective swing arm is pivoted back and forth between the outward and inward positions, each handle being at a higher elevation in the inward position than in the outward position of the respective swing arm. 15. The machine as claimed in claim 14, further comprising a pivot connection device between each swing arm and the respective end of the main arm, the pivot connection device further comprising an end stop for defining an outward rest position for the respective swing arm, and the swing arm pivot axes being oriented such that the swing arms automatically fall outwardly into said rest position when released. 16. The machine according to claim 15, wherein the swing arm pivot axes are also inclined forwardly relative to the vertical direction, each swing arm pivot axis having a compound inward and forward pivot angle. 17. The machine according to claim 14, wherein each main arm has a central portion pivoted to the machine frame and opposite side portions, each side portion having a first downward bend separating the side portion into a first portion extending from the primary pivot axis to the first bend, a second portion inclined downwardly from the first portion, and an end portion bent inwardly and downwardly relative to the second portion and aligned with said swing arm pivot axis. 18. The machine as claimed in claim 14, including a pivot connection between the main arm and each swing arm defining said swing arm pivot axis, said pivot connection including a range of motion device having a series of spaced holes extending along an arc, and a connecting pin associated with each end of the main arm for releasably connecting said main arm to said range of motion device at any one of a series of selected orientations relative to said range of motion device. 19. An exercise machine, comprising: a support frame having a base, an upright portion extending upwardly from the base and having an upper end, and an upper support extending transversely from the upper end of the upright portion; a seat supported on the frame facing a forward end of the machine; an exercise arm apparatus pivotally secured to the frame, the apparatus comprising a main arm pivotally secured to the frame for rotation about a primary pivot axis, at least one swing arm extending on one side of the seat and pivotally secured to the main arm for rotation about a swing arm pivot axis between outward and inward positions, and at least one handle associated with the swing arm; and the swing arm pivot axis being inclined inwardly towards the seat and non-perpendicular to the main pivot axis. 20. An exercise machine, comprising: a support frame having a base, an upright portion extending upwardly from the base and having an upper end, and an upper support extending transversely from the upper end of the upright portion, the support frame having a vertical axis; a seat supported on the frame facing a forward end of the machine; an exercise arm apparatus pivotally secured to the frame, the apparatus comprising at least one main arm pivotally secured to the frame for rotation about a primary pivot axis, at least one swing arm extending on one side of the seat and pivotally secured to the main arm for rotation about a swing arm pivot axis between outward and inward positions, and at least one handle associated with the swing arm; the swing arm pivot axis having a downward angle of inclination relative to the vertical axis and being directed downward towards the forward end of the machine when the main arm is in a rest position. 21. The apparatus as claimed in claim 20, wherein each swing arm pivot axis is inclined forwardly at a predetermined angle which is approximately 13 to 14 degrees from the vertical when the apparatus is installed on an exercise machine. 22. An exercise machine, comprising: a support frame having a base, an upright portion extending upwardly from the base and having an upper end, and an upper support extending transversely from the upper end of the upright portion; a seat supported on the frame facing a forward end of the machine; an exercise arm apparatus pivotally secured to the frame, the apparatus comprising a main arm pivotally secured to the frame for rotation about a primary pivot axis, at least one swing arm extending on one side of the seat and pivotally secured to the main arm for rotation about a swing arm pivot axis between outward and inward positions, and at least one handle associated with the swing arm; a first locking member on the main arm and a second locking member on the swing arm for releasable locking engagement with the first locking member to secure the swing arm in at least one fixed position relative to the main arm; one of said locking members comprising a receiving device having at least one slot defining the fixed position of said swing arm and the other locking member comprising a spring-loaded device biased between an extended position for engagement in said slot and a retracted position to allow free rotation of said swing arm; and the receiving device having first and second inclined ramp surfaces extending in opposite directions up to said slot for engaging said spring-loaded device when in the extended position as the swing arm is rotated in opposite directions towards said fixed position, said ramp surfaces progressively depressing said spring-loaded device towards said retracted position as it is rotated towards said slot, whereby the spring loaded device will extend into said extended position to engage in said slot automatically when aligned with the slot. 23. An exercise arm assembly, comprising: at least one main arm having a first pivot connection for connection to the frame of an exercise machine to allow pivoting of the main arm about a primary pivot axis; at least one swing arm pivotally secured to the main arm for rotation about a swing arm pivot axis between outward and inward positions relative to the first pivot connection, and at least one handle associated with the swing arm; at least one stop on the assembly defining an outer rest position of the swing arm; the swing arm pivot axis having a downwardly directed angle of inclination relative to a vertical axis of the exercise machine, and being inclined inwardly towards the inward position of the swing arm, such that the swing arm will automatically fall outward into the outer rest position against the stop when released; and the swing arm pivot axis being configured to produce a multi-plane chest to chin exercise movement. 24. The assembly as claimed in claim 23, further comprising a first locking member on the main arm and a second locking member on the swing arm for releasable locking engagement with the first locking member to releasably secure the swing arm in at least one fixed position relative to the main arm. 25. The assembly as claimed in claim 24, further comprising an end plate on the main arm, a pivot member extending from said end plate in a direction away from the main arm to define said swing arm pivot axis, the swing arm pivotally engaging said pivot member, the second locking member comprising a receiving plate on the swing arm at a location spaced from said swing arm pivot axis, the receiving plate having at least one slot defining a fixed position of said swing arm about said pivot axis, and the first locking member being mounted on said main arm end plate for releasable engagement in said slot. 26. The assembly as claimed in claim 25, wherein said receiving plate has a plurality of slots for selective engagement with said first locking member to define a plurality of different fixed positions for said swing arm. 27. The assembly as claimed in claim 24, wherein one of said locking members comprises a receiving plate having at least one slot defining a fixed position of said swing arm, and the other locking member comprises a pull pin having a spring-loaded plunger moveable between an extended position for engagement in said slot and a retracted position to allow free rotation of the swing arm. 28. The assembly as claimed in claim 27, wherein the slot is located in a central region of said plate, and the swing arm is movable between an outward rest position and an inward position when said plunger is retracted, the plate having first and second ramp surfaces extending in opposite directions up to said slot for engaging said plunger when in the extended position as the swing arm is rotated in opposite directions towards said fixed position, said ramp surfaces depressing said plunger as it rotates towards said slot, whereby the plunger will extend into said slot automatically when the pull pin is aligned with the slot. 29. The apparatus as claimed in claim 27, wherein the receiving plate has a plurality of slots defining different fixed positions for said swing arm. 30. The apparatus as claimed in claim 29, wherein the receiving plate has opposite end stops for defining inward and outward positions of said swing arm when said plunger is retracted to allow free rotation of said swing arm. 31. The assembly of claim 23, wherein said one swing arm comprises a first swing arm pivotally associated with a first end portion of the main arm, the assembly further comprising a second swing arm pivotally associated with a second end portion of the main arm for rotation about a second swing arm pivot axis between outward and inward positions relative to the first pivot connection, the second swing arm pivot axis having a downwardly directed angle of inclination which is inclined inwardly towards the first swing arm, and the swing arm pivot axes being non-parallel and intersecting at a location below the first pivot connection.
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