Exercise devices – Involving user translation or physical simulation thereof – Bicycling
Reexamination Certificate
2007-10-23
2007-10-23
Crow, Stephen R. (Department: 3764)
Exercise devices
Involving user translation or physical simulation thereof
Bicycling
C482S112000, C482S113000
Reexamination Certificate
active
11302340
ABSTRACT:
The present invention relates to a low-impact, time-efficient way to exercise both the cardio-respiratory system and the muscular system, particularly the abdominal and back muscles. The exerciser uses his muscles to oscillate a pivoted carriage within a frame. In one embodiment, the exerciser pedals a crank to pump hydraulic fluid through a hydraulic circuit to a hydraulic cylinder connected between the carriage and the frame so as to urge the carriage to oscillate with respect to the frame. A limit sensor detects when the carriage is positioned at one extreme of its oscillation and signals the hydraulic circuit to reverse the flow of hydraulic fluid to the hydraulic cylinder.
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Clark Wilson LLP
Crow Stephen R.
Nguyen Tam
Roman Michael J.
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