Pedaling exercise device

Details Pedaling exercise device Pedaling exercise device

1992-08-27

1993-02-16

Crow, Stephen R.

Exercise devices

User manipulated force resisting apparatus, component...

Utilizing fluid resistance

482 80, A63B 21008

Patent

active

051867001

ABSTRACT:
A pedaling exercise device includes two pairs of pedaling plates, each of which has an upper plate and a lower plate hinged to the upper plate. Two pressure-operating members are respectively provided between the upper and lower plates of the pairs of pedaling plates. Each of the pressure-operating members includes an enclosed flexible hollow housing having an upper partition and a lower partition dividing the housing into a first, a second and a third chamber from top to bottom. A first flexible tube interconnects and communicates the first and third chambers. A predetermined amount of air is contained in the second chambers. A predetermined amount of liquid is contained in the first and third chambers and in the first flexible tube. A second flexible tube communicates the second chambers of the housing. A pumping device is provided for pumping air into and for allowing air to escape from the second chambers.

REFERENCES:
patent: 3741540 (1973-06-01), Shimizu
patent: 3821951 (1974-07-01), Giles
patent: 4204675 (1980-05-01), McGinnis

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