Exercise devices – Support for entire body of user – Swivelled foot platform
Patent
1995-12-21
1997-02-04
Reichard, Lynne A.
Exercise devices
Support for entire body of user
Swivelled foot platform
482146, A63B 2214
Patent
active
055992625
ABSTRACT:
A body twist exerciser, including a base, a guardrail mounted on the base, a rotatable hollow box-type rotating arm having one end pivoted to a fixed shaft in the center of the base, and a rotary disc rotatably supported by the center part thereof on the free end shaft of the rotating arm. A transmission mechanism is located in the hollow interior of the rotating arm. The transmission mechanism includes a drive sprocket fixed to the free end shaft of the rotating arm and located below the rotary disc. A driven sprocket is spaced-apart from and mounted side by side with this drive sprocket on a revolving shaft approximating the base end inside the rotating arm. A loop-like transmission chain is wound between the drive and driven sprockets and a transmission gear is mounted on the revolving shaft below the driven sprocket. An intermediate gear is rotatably disposed on an intermediate shaft between the fixed shaft and the revolving shaft to be engaged with the transmission gear. A fixed gear disposed on the fixed shaft is engaged with the intermediate gear and works as a sun gear. When the rotary disc revolves, the drive sprocket mounted on the same shaft as the rotary disc by way of the transmission chain and the driven sprocket driving the transmission gear is brought into rotation around the fixed gear through the intermediary of the intermediate gear. This configuration permits the entire rotating arm to rotate in a corresponding direction as the rotary disc.
REFERENCES:
patent: 4391441 (1983-07-01), Simjian
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