Spring type exercise device

Details Spring type exercise device Spring type exercise device

1975-07-02

1977-05-31

Pinkham, Richard C.

Undertaking

272142, 272 94, 272 70, 272143, 272900, A63B 2104

Patent

active

040265480

ABSTRACT:
An exercise device including a pair of longitudinally extensible and retractable members, one adapted for attachment to a fixed object or structure, and the other adapted for coupling to an individual by a harness or belt. It is especially useful for in-place jogging exercises. A spring is interposed between the members and provides resistance to their extension. The spring is attached to one member and is connected to the other member by an adjuster. The adjuster's position along the length of the spring can be varied to thereby vary the number of turns of the spring subjected to tension during relative extension of the members.

REFERENCES:
patent: 1023756 (1912-04-01), Pons
patent: 3041060 (1962-06-01), Jacobsen
patent: 3343837 (1967-09-01), Grzybowski
patent: 3659846 (1972-05-01), Kanicki

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