Elevating apparatus of treadmill

Details Elevating apparatus of treadmill Elevating apparatus of treadmill

2007-02-20

2007-02-20

Crow, Stephen R. (Department: 3764)

Exercise devices

Involving user translation or physical simulation thereof

Treadmill for foot travel

Reexamination Certificate

active

11100554

ABSTRACT:
A treadmill has a frame, a table assembly and an elevating apparatus to elevate the table assembly. The treadmill has a driving device provided at a bottom side of the table assembly. A transverse shaft is connected to the driving device. Two first linkages each has three pivot portions, wherein two of the pivot portions at ends thereof are pivoted on the table assembly and ends of the transverse shaft respectively. Two second linkages have opposite ends pivoted on the frame and the table assembly respectively, each of which has a pivot portion between the ends thereof to be pivoted on the first linkages at the third pivot portions respectively.

REFERENCES:
patent: 5967945 (1999-10-01), Wang
patent: 6475121 (2002-11-01), Wang et al.
patent: 6699160 (2004-03-01), Pan et al.
patent: 6811518 (2004-11-01), Lin
patent: 6884201 (2005-04-01), Wu

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