Exercise machine adjustment mechanism

Details Exercise machine adjustment mechanism Exercise machine adjustment mechanism

1994-06-29

1996-12-03

Crow, Stephen R.

Exercise devices

Involving user translation or physical simulation thereof

Bicycling

482142, 482908, A63B 2100

Patent

active

055803377

ABSTRACT:
An adjustment mechanism for an exercise machine enables the relative position between a support for the operator of the machine and an exercise member to be adjusted by the operator while in the exercise position. In a particular embodiment, the mechanism adjusts the longitudinal position of a pedal assembly of a recumbent bike exerciser. The operator is supported by a seat on a fixed frame member, and the pedal assembly is mounted on an extension member that slides longitudinally with respect to the fixed frame. A chain attached to the underside of the extension member is engaged by a drive sprocket rotatably mounted on the fixed frame. The drive sprocket is carried on one end of a shaft, and a ratcheting handle is coupled to the other end of the shaft. The handle extends upwardly adjacent to the operator's seat for convenient use by the operator while seated in an exercise position.

REFERENCES:
patent: 2206038 (1940-07-01), Lang Ford
patent: 4531730 (1985-07-01), Chenera
patent: 4776583 (1988-10-01), Jennings
patent: 5106081 (1992-04-01), Webb
patent: 5284464 (1994-02-01), Lee et al.
patent: 5338274 (1994-08-01), Jones

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