Exercise devices – Involving user translation or physical simulation thereof – Treadmill for foot travel
Reexamination Certificate
2005-02-22
2005-02-22
Crow, Stephen R. (Department: 3764)
Exercise devices
Involving user translation or physical simulation thereof
Treadmill for foot travel
Reexamination Certificate
active
06857991
ABSTRACT:
An auxiliary folding device for a treadmill is mounted between a main frame and the platform of the treadmill. The platform is pivotally connected to the main frame. The auxiliary folding device includes an air cylinder having opposite ends respectively pivotally connected to the main frame and the platform. The air cylinder extends when the user folds the platform toward the main frame for user to fold the treadmill in a labor-saving way.
REFERENCES:
patent: 6090016 (2000-07-01), Kuo
patent: 6592496 (2003-07-01), Tsou
patent: 6746376 (2004-06-01), Chang
patent: 6758791 (2004-07-01), Kuo
Alilife Industrial Co., Ltd.
Crow Stephen R.
Rosenberg , Klein & Lee
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