Bi-directional exercise resistance mechanism

Details Bi-directional exercise resistance mechanism Bi-directional exercise resistance mechanism

1998-03-19

1999-03-23

Mulcahy, John

Exercise devices

User manipulated force resisting apparatus, component...

482 99, 482100, 482137, A63B 2100

Patent

active

058851933

ABSTRACT:
A mechanism applies exercise resistance to a rotating member in both directions of rotation without a significant "dead zone" surrounding the neutral position. A cam is rotatably mounted to the frame of an exercise machine. A flexible member, which may be a belt, cable, chain or the like, is attached to a peripheral surface of the cam and is loaded by the exercise weights or other source of exercise resistance. The flexible member is guided around a pulley mounted on an arm that is pivotally attached to the cam so as to maintain the flexible member in close proximity to the peripheral surface of the cam. A pair of stops act on the arm to engage the arm for rotation with the cam in one direction and to prevent rotation of the arm with the cam in the opposite direction.

REFERENCES:
patent: 5308304 (1994-05-01), Habing
patent: 5354252 (1994-10-01), Habing
patent: 5447480 (1995-09-01), Fulks
patent: 5468202 (1995-11-01), Habing
patent: 5549530 (1996-08-01), Fulks
Tuff Gym Series 150.cndot.250.cndot.450, advertising brochure by TuffStuff.

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