Spring-biased exercise apparatus

Details Spring-biased exercise apparatus Spring-biased exercise apparatus

1978-08-07

1980-07-29

Browne, William R.

Undertaking

272142, 272143, 272136, 272DIG4, A63B 500

Patent

active

042147484

ABSTRACT:
The exercise apparatus has a base. A generally U-shaped upright member has the base thereof pivotally connected to the base of the exerciser. An essentially U-shaped bolt is attached at the outer end portions of its arms to the U-shaped upright member. A spring or springs acting in tension is attached to the bolt and to the base of the exerciser.

REFERENCES:
patent: 2782033 (1957-02-01), Ugartechea
patent: 3558131 (1971-01-01), Dragon
patent: 3559487 (1971-02-01), Parlato
patent: 3633907 (1972-01-01), Cane
patent: 3662602 (1972-05-01), Weiss
patent: 3815904 (1974-06-01), Weiss
patent: 3982757 (1976-09-01), McDonnell
patent: 4063727 (1977-12-01), Hall
patent: 4129297 (1978-12-01), Dolan

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