Exerciser

Details Exerciser Exerciser

1977-06-06

1978-09-05

Johnson, Richard J.

Undertaking

272141, 272900, A63B 2304

Patent

active

041114167

ABSTRACT:
The disclosure is of a leg exerciser comprising a generally rectangular base member and a generally rectangular upper foot-receiving member hinged together along aligned end portions with a spring disposed between them remote from the aligned portions. Leg exercise can be obtained by pumping the upper member down and up regularly against the force of the spring.

REFERENCES:
patent: 1509793 (1924-09-01), Thompson
patent: 1587749 (1926-06-01), Bierly
patent: 2830816 (1958-04-01), Uhl
patent: 3295847 (1967-01-01), Matt
patent: 3297320 (1967-01-01), Benedetto
patent: 3675912 (1972-07-01), Jardins
patent: 3741540 (1973-06-01), Shimizu
patent: 3887180 (1975-06-01), Berman
patent: 3942791 (1976-03-01), Dawson
patent: 4056265 (1977-11-01), Ide

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