Sit-up support device

Details Sit-up support device Sit-up support device

1986-07-03

1988-11-29

Apley, Richard J.

Undertaking

272900, A63B 2302

Patent

active

047876263

ABSTRACT:
This sit-up support device is designed to hold a person's feet when they are performing bent knee sit-ups. Primarily, it consists of a base plate that is rendered stationary to the floor by a clamp that fastens to a door. The device also includes quick-release straps on the base plate, for comfortably holding the user's feet, and a threaded shaft and sleeve are provided in conjunction with the clamp, to force the base plate hard down to the floor.

REFERENCES:
patent: 1332473 (1920-03-01), Shirley
patent: 4182510 (1980-01-01), Lundell
patent: 4185816 (1980-01-01), Bernstein
patent: 4212458 (1980-07-01), Bizilia

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