Exercise apparatus

Details Exercise apparatus Exercise apparatus

1986-12-04

1988-02-23

Apley, Richard J.

Undertaking

272 67, 272141, 272135, A63B 2130

Patent

active

047265809

ABSTRACT:
An exercise apparatus (10) comprising a housing unit (11) having relatively moveable upper (17) and lower (18) housing members containing a spring element (12) which surrounds a force transmitting unit (13) and is disposed intermediate an adjustable spring tensioning means (16); wherein, a force imparting lever unit (15) is pivotally connected to the housing unit (11) and further operatively connected to the force transmitting unit (13) via a toggle linkage (14).

REFERENCES:
patent: 714477 (1902-11-01), Haenze
patent: 1638196 (1927-08-01), Guth
patent: 2650744 (1953-09-01), Dirksen
patent: 3029076 (1962-04-01), Andersen
patent: 3216259 (1965-11-01), Bendix, Jr.
patent: 3738651 (1973-06-01), Norman et al.
patent: 3807729 (1974-04-01), Sigma
patent: 4021040 (1977-05-01), Inoue
patent: 4129297 (1978-12-01), Dolan
patent: 4384715 (1983-05-01), Savio et al.
patent: 4513962 (1985-04-01), Robson et al.

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