Exercise devices – Involving user translation or physical simulation thereof – Treadmill for foot travel
Reexamination Certificate
2005-04-26
2005-04-26
Crow, Stephen R. (Department: 3764)
Exercise devices
Involving user translation or physical simulation thereof
Treadmill for foot travel
Reexamination Certificate
active
06884201
ABSTRACT:
A lifting device for a platform of a treadmill includes a telescope shaft has a front end pivotally connected to a front portion of the platform. A power source is laterally mounted to the telescope shaft for reciprocally telescopically driving the telescope shaft. Two first linkages each has a first end pivotally connected to the two opposite sides of the base member and a second end pivotally connected to the two opposite sides of the platform. Two second linkages each includes a first end having a roller rotatably mounted thereto and a second end pivotally connected to the two opposite sides of the platform. A second connecting rod securely connected to the two second linkages. A pivot seat extends from the second connecting rod and a second end of the telescope shaft is pivotally mounted to the pivot seat.
REFERENCES:
patent: 5746682 (1998-05-01), Hung
patent: 6527679 (2003-03-01), Wang et al.
patent: 6579211 (2003-06-01), Wu
patent: 6811518 (2004-11-01), Lin
Crow Stephen R.
Rosenberg , Klein & Lee
Strength Master Health Corp.
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