Exercise devices – Involving user translation or physical simulation thereof – Stair climbing
Reexamination Certificate
2003-06-03
2009-11-03
Mathew, Fenn C (Department: 3764)
Exercise devices
Involving user translation or physical simulation thereof
Stair climbing
C482S112000
Reexamination Certificate
active
07611447
ABSTRACT:
A foot and/or leg-exercising device (10) has a first sealed chamber (14) and a second sealed chamber (16) that are interconnected via one or more passageways (34). The chambers (14, 16) are of variable volume and fluid within one chamber may be pumped to the other chamber using the feet and/or legs. In one embodiment each foot is provided with a first chamber and a second chamber and fluid is pumped by a heel and toe rocking action of each foot. The chambers for both feet may be interconnected to allow pumping by an up and down action of the legs.
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