Exercise devices – Sit up device
Patent
1992-07-10
1993-05-25
Apley, Richard J.
Exercise devices
Sit up device
482904, A63B 2100
Patent
active
052135586
ABSTRACT:
The integral exercise device is made from a flexible plastic material and is designed to be rolled up into a compact unit when not in use. The exercise device includes a main body portion having apertures for receiving the user's feet or other body part, a connector portion that slides underneath a stationary object such as a door, and a shoulder portion that abuts one side of the door during use. The shoulder portion opposes the forces imposed by the user during exercising to maintain the user's feet in the desired position. The main body portion of the exerciser may be positioned by the user to any desired height. A fastener retains the exerciser in its rolled-up condition for easy transportation and storage.
REFERENCES:
patent: D203836 (1966-02-01), Hass
patent: 1939165 (1934-08-01), Turner
patent: 2050652 (1936-08-01), Fleming
patent: 3222695 (1965-12-01), Brown
patent: 4121825 (1978-10-01), Hult
patent: 4417726 (1983-11-01), Schleis
patent: 4593902 (1986-06-01), Michaelson
patent: 4602782 (1986-07-01), Carlson
patent: 4611805 (1986-09-01), Franklin et al.
patent: 4705270 (1987-11-01), Melton
patent: 4714247 (1987-12-01), Gerstung
patent: 4909505 (1990-03-01), Tee
"Lifeline" Waistliner Sit-Up Bar Brochure, published by Lifeline Production and Marketing, Inc., Madison, Wis., at least as early as 1991.
"Don't Just Workout" catalog by Excel, Pico Rivera, Calif., pp. 41 and 42, published at least as early as 1991.
"Shape Rx Shop" catalog by Dynamic Classics, Ltd, Saddlebrook, N.J., published in 1990.
"TUNTURI Accessories II" flyer, by Tunturi Inc., Redmond, Wash., published at least as early as 1991.
Miller Randy
Wendt David W.
Apley Richard J.
Maraglio Donna L.
Miller Randy
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