Pedaling exerciser with a twister device

Details Pedaling exerciser with a twister device Pedaling exerciser with a twister device

2007-10-09

2007-10-09

Crow, Stephen R. (Department: 3764)

Exercise devices

Involving user translation or physical simulation thereof

Bicycling

C472S021000

Reexamination Certificate

active

11381635

ABSTRACT:
A pedaling exerciser with a twister device has a base, a twister device mounted on the base, a pedaling assembly combined with the twister device, and an optional shell covering crank drums of the pedaling assembly. The twister device is composed of an intermediate plate and a rotating plate mounted. The intermediate plate is secured on a central shaft of the base and has multiple balls rotatably mounted thereon. The rotating plate rotatably mounted on the intermediate plate and has a bearing attached thereon around the central shaft to keep the rotating plate stable during rotation. Moreover, the rotating plate has a pin assembly movably engaged the intermediate plate to lock the twister device. By having the twister device, the pedaling exerciser selectively works pedaling and twisting functions at the same time.

REFERENCES:
patent: 3441271 (1969-04-01), Palacios
patent: 3612519 (1971-10-01), Larson
patent: 3911907 (1975-10-01), Smith, Jr.
patent: 4291873 (1981-09-01), Lee et al.
patent: 4629181 (1986-12-01), Krive
patent: 5366430 (1994-11-01), Yao
patent: 6875159 (2005-04-01), Chuang
patent: 7081074 (2006-07-01), Rubin
patent: 2006/0240950 (2006-10-01), Chang
patent: 2007/0010377 (2007-01-01), Wu et al.

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