Friction type exercising device

Details Friction type exercising device Friction type exercising device

1977-03-29

1978-09-19

Browne, William R.

Undertaking

188 651, 272140, A63B 2100

Patent

active

041148754

ABSTRACT:
An exercising device having a housing which is attached to a stationary surface. A cord with a hand grip on its free end can be pulled out of the housing against the internal resistance of the exercising device. The amount of internal resistance can be varied by control knobs. An automatic rewind mechanism draws the cord back into the housing when the cord is released. The device has, as a preferred specific feature, a manually adjustable resisting force mechanism.This mechanism has a straight surface which is contacted and engaged by the cord over the full length of the straight surface. This mechanism includes the preferred combination of a stationary capstan around which the cord is wrapped, and a variable force friction nip mechanism which (a) retards the cord as it is pulled out of the housing, and (b) maximizes the capstan's frictional resistance by keeping the cord tightly wound around the capstan as the cord is being pulled out of the housing. A limit stop is provided for limiting the travel of the cord engaging wedge member toward the cord; and a limit stop is also provided to limit the travel of the cord-contacting support member towards and away from the cord. The wedge member moves in a guide during its reciprocation, and the wedge member engages the cord on the cord support surface at less than 90.degree..

REFERENCES:
patent: 3596907 (1971-08-01), Brighton
patent: 3756565 (1973-09-01), Sakai
patent: 3885789 (1975-05-01), Deluty et al.
patent: 3957118 (1976-05-01), Barry et al.

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