Body exercise apparatus

Details Body exercise apparatus Body exercise apparatus

1979-09-05

1981-03-10

Pinkham, Richard C.

Undertaking

272134, 272DIG4, A63B 2100

Patent

active

042549507

ABSTRACT:
The body exercising apparatus has a swivel axle (2) arranged in a housing (1), a swivelling lever (3) being attached to the swivel axle. This lever comprises a threaded spindle 7 arranged parallel to a supporting arm (10), which is mounted with its ends in the supporting arm (10) and on which an adjusting nut (5) is arranged. On this one end of a gas spring (4) is hinged, the other end of which is hinged on another adjusting nut (6) which is arranged on a threaded spindle (11) arranged inside the frame (1). Both threaded spindles are disposed in driving connection above cog wheels (16,17) which are arranged in the area of the swivel axle (2). By rotating one of the threaded spindles (11) by means of a hand wheel (30) the distances from the swivel axle (2) of the two spring ends hinged to the two adjusting nuts are altered by the movement of the two adjusting nuts (5,6). By swivelling a crank (20) which is in driving connection with the swivel axle (2) the lever (3) swivels with the one spring end hinged to the latter against the force of the spring. The effective arm length of the lever is modified by the common adjustment of the hinge mountings of both spring ends when the swivel position of the lever is the same. Thus the most varied starting and highest values for muscle building adapted to the individual needs can be set according to choice for the moment curve resulting over the entire swivel field. (FIG. 1).

REFERENCES:
patent: 2107447 (1938-02-01), Marlowe
patent: 2107449 (1938-02-01), Marlowe
patent: 3400793 (1968-09-01), Norris et al.
patent: 3563542 (1971-02-01), Wellman et al.
patent: 3861677 (1975-01-01), Wheeldon
patent: 3964742 (1976-06-01), Carnielli
patent: 4149715 (1979-04-01), Kusmer
patent: 4157179 (1979-06-01), Ecklor, Jr.
patent: 4209167 (1980-06-01), Jansen

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