Cooperative exercising apparatus

Details Cooperative exercising apparatus Cooperative exercising apparatus

1984-02-16

1987-01-06

Apley, Richard J.

Undertaking

272134, 272902, 272120, A63B 2106

Patent

active

046341188

ABSTRACT:
Exercising apparatus includes a collapsible frame having upper and lower tracks supporting upper and lower groups of pulleys and moveable upright track supporting risers. The upper pulleys support an adjustable friction block partner supporting harness adjacent the frames front end, and a line extending from the friction block over upper pulleys to a coupling transmits a friction block enhanced force related to the partners weight. A multiple path pulley arrangement joined to the coupling provides a mechanical advantage, reducing by a multiple the effective force delivered adjacent the frame's back end to an exercising bar spaced apart from the exercising partner through lower track coupled pulley blocks. A separate line from the upper track passing through an offset pulley, is extendable to the lower lines to allow for pull down exercises. In use, a partner sits on the harness transmitting a force to the adjustable friction block which is enhanced and transmitted though the multiple pulley paths, thereby reducing the effective resistive force. That force is transmitted to exercising bars lifted or pulled by the exercising individual.

REFERENCES:
patent: 3850431 (1974-11-01), Winans
patent: 3937461 (1976-02-01), Lew
patent: 4077626 (1978-03-01), Newman
patent: 4114874 (1978-09-01), Mattila
patent: 4125257 (1978-11-01), Lew
patent: 4252314 (1981-02-01), Ceppo
patent: 4257590 (1981-03-01), Sullivan et al.
patent: 4431184 (1984-02-01), Lew et al.
patent: 4449716 (1984-05-01), Goldy et al.

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