Exercise devices – Involving user translation or physical simulation thereof – Stair climbing
Reexamination Certificate
2006-09-26
2006-09-26
Crow, Stephen R. (Department: 3764)
Exercise devices
Involving user translation or physical simulation thereof
Stair climbing
C482S057000
Reexamination Certificate
active
07112161
ABSTRACT:
An exercise apparatus has a force receiving member movably interconnected between a crank and a frame with a degree of freedom for variable length exercise strokes as a function of user applied force.
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patent: 6183398 (2001-02-01), Rufino et al.
patent: 6206804 (2001-03-01), Maresh
patent: 6575877 (2003-06-01), Rufino et al.
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