Undertaking
Patent
1978-05-08
1980-07-15
Pinkham, Richard C.
Undertaking
272900, A63B 2302
Patent
active
042124581
ABSTRACT:
A device for holding the feet of a person doing "sit-up" exercises has a U-shaped base to receive the bottom margin of a door, a head section provided with laterally spaced foot retainers and a connecting section outwardly and upwardly inclined to space the head away from the door. The head is rearwardly and upwardly inclined to provide the proper position of the feet.
REFERENCES:
patent: 2050652 (1936-08-01), Fleming
patent: 2425971 (1947-08-01), Walker
patent: 3134592 (1964-05-01), Sharkey
patent: 3287016 (1966-11-01), Mayer
patent: 4116434 (1978-09-01), Bernstein
Browne William R.
Pinkham Richard C.
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