Adjustable exercise apparatus

Details Adjustable exercise apparatus Adjustable exercise apparatus

1979-01-16

1980-12-30

Apley, Richard J.

Undertaking

A63B 2302

Patent

active

042419158

ABSTRACT:
A compactly foldable exercise apparatus is provided for performing the exercises of sit-ups and push-ups. An adjustably inclinable board provided with foot engaging means adjacent the forward end thereof is positioned generally above a base associated with track means carrying a pair of opposed handgrips. Locking means slideably engage each handgrip with said track means in a manner to facilitate adjustable spacing between said handgrips and to prevent twisting or tilting movement. The apparatus is adapted for performing sit-ups of varying difficulty of execution based upon the angle of inclination of said board, and is adapted for performing push-ups when said board is lowered to a position substantially parallel to said base.

REFERENCES:
patent: 42516 (1864-04-01), Taylor
patent: 309678 (1884-12-01), Aubin
patent: 1721709 (1929-07-01), Odell
patent: 3173415 (1965-03-01), Rubin
patent: 3545748 (1970-12-01), Delinger
patent: 3572701 (1971-03-01), Agamian
patent: 3589720 (1971-06-01), Agamian
patent: 3817243 (1974-06-01), Perrine
patent: 3947023 (1976-03-01), Martin
patent: 3971561 (1976-07-01), Wenzel

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