Exercising device

Details Exercising device Exercising device

1997-01-29

1998-01-13

Donnelly, Jerome

Exercise devices

User manipulated force resisting apparatus, component...

Utilizing force resistance generated by user only

482127, A63B 2122

Patent

active

057073252

ABSTRACT:
An exercising device is disclosed. The exercising device includes a roller device, having an axis, for rolling along a first direction from a start point, a first variation point, a second variation point to a stop point and along a second direction from the stop point, the second variation point, the first variation point, to the start point; an axle device for passing therethrough the axis; a first energy-storing device, connected to the roller device, for storing energy when the roller device rolls from the first variation point to the stop point and for releasing energy when the roller device rolls from the stop point to the first variation point; and a second energy-storing device, connected to the roller device, for storing energy when the roller device rolls from the second variation point to the stop point and for releasing energy when the roller device rolls from the stop point to the second variation point.

REFERENCES:
patent: 2821394 (1958-01-01), Barbeau
patent: 2920418 (1960-01-01), Britt
patent: 3403906 (1968-10-01), Burzenski
patent: 3752475 (1973-08-01), Ott

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