Exercise devices – Involving user translation or physical simulation thereof – Stair climbing
Patent
1998-10-07
2000-11-28
Crow, Stephen R.
Exercise devices
Involving user translation or physical simulation thereof
Stair climbing
70 62, A63B 2200, A63B 2212
Patent
active
061528595
ABSTRACT:
An exercise apparatus has arm driven members and leg driven members which are movably mounted on a frame. In a first mode of operation, the arm driven members are movable relative to the frame and the leg driven members. In a second mode of operation, the arm driven members are linked to the leg driven members and movable together therewith relative to the frame. In a third mode of operation, the arm driven members are locked against movement relative to the frame in a manner which does not interfere with movement of the leg driven members. In a preferred embodiment, the leg driven members are movable in two generally orthogonal directions relative to the frame. The leg driven members may also be interconnected to move in reciprocal fashion in either and/or both of those directions, and/or supported in a manner that provides progressive resistance to downward movement as a function of downward travel.
REFERENCES:
patent: 4509742 (1985-04-01), Cones
patent: 4932649 (1990-06-01), Chen
patent: 5149312 (1992-09-01), Croft et al.
patent: 5290212 (1994-03-01), Metcalf
patent: 5759136 (1998-06-01), Chen
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