초록 ▼

A weight stack exercise machine includes a stack of primary weights movably mounted on a frame, and secondary weight which are selectively movable between respective inactive positions, supported by the frame, and respective active positions, acting on the top plate in the primary weight stack. The

A weight stack exercise machine includes a stack of primary weights movably mounted on a frame, and secondary weight which are selectively movable between respective inactive positions, supported by the frame, and respective active positions, acting on the top plate in the primary weight stack. The frame supports the secondary weights in respective inactive positions, one above the other with a gap disposed therebetween.

대표청구항 ▼

1. An exercise apparatus, comprising:a frame; a stack of primary weights movably mounted to the frame, wherein the stack of weights includes a top plate which is movable along a path; a plurality of secondary weights, including a first weight and a second weight selectively movable between respectiv

1. An exercise apparatus, comprising:a frame; a stack of primary weights movably mounted to the frame, wherein the stack of weights includes a top plate which is movable along a path; a plurality of secondary weights, including a first weight and a second weight selectively movable between respective active positions, acting upon the top plate, and respective inactive positions, supported by the frame outside the path of the top plate, with the second weight disposed over and separated from the first plate, wherein the respective active positions vertically overlap the respective inactive positions; and means for constraining each said secondary weight to move along a predetermined path relative to the frame between the active and inactive positions.