Undertaking
Patent
1981-01-27
1983-06-28
Pinkham, Richard C.
Undertaking
188 83, 272132, 272900, 272DIG4, A63B 2304
Patent
active
043901778
ABSTRACT:
A foot-operated exercising device comprises a frame having a longitudinally-extending frame bar terminating at its opposite ends in a pair of transversely-extending frame legs for supporting the frame bar on a horizontal surface, and a pair of foot pedals rotatably mounted on the frame bar about a horizontal, transversely-extending axis. The device further includes a pair of variable-length arms pivotably mounted to one of the frame legs about vertical axes to permit pivotting the arms to an operable position extending at a desired angular relationship axially behind the frame legs, or to a non-operable position in folded relationship with respect to the frame legs.
REFERENCES:
patent: 2668709 (1954-02-01), Boyko
patent: 2673088 (1954-03-01), Wentz
patent: 2909922 (1959-10-01), Haman
patent: 3259385 (1966-07-01), Boren
patent: 3751033 (1973-08-01), Rosenthal
patent: 3910571 (1975-10-01), Stenn
patent: 4222376 (1980-09-01), Praprotnik
patent: 4262902 (1981-04-01), Dranselka
Biran Benjamin
Biran Miriam
Barish Benjamin J.
Kramer Arnold W.
Pinkham Richard C.
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