Shock absorption structure for a treadmill

Details Shock absorption structure for a treadmill Shock absorption structure for a treadmill

2005-03-29

2005-03-29

Crow, Stephen R. (Department: 3764)

Exercise devices

Involving user translation or physical simulation thereof

Treadmill for foot travel

Reexamination Certificate

active

06872168

ABSTRACT:
The present invention relates to a shock absorption structure for a treadmill having two handle frames, a support base, a frame portion and an adjustable supporting foot. A connecting arm has one end pivotably connected to the lower portion of each of both handle frames and the other end pivotably connected to the frame portion. A flexible shock absorption unit is pivotably interposed between an extension member of each handle frame and each connecting arm. Therefore, when the force is applied to the frame portion, both flexible shock absorption units provide proper cushioning effect. Moreover, the flexible shock absorption unit is constructed in such a way that the cushioning force can be freely adjustable so as to enhance the using comfort.

REFERENCES:
patent: 5072928 (1991-12-01), Stearns et al.
patent: 5336146 (1994-08-01), Piaget et al.
patent: 5626539 (1997-05-01), Piaget et al.
patent: 6461279 (2002-10-01), Kuo

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