Four bar exercise machine

Details Four bar exercise machine Four bar exercise machine

1997-08-19

1999-04-27

Crow, Stephen R.

Exercise devices

Involving user translation or physical simulation thereof

Having separate foot engaging members reciprocating on...

482 51, A63B 2200

Patent

active

058974636

ABSTRACT:
An exercise machine for exercising the lower body, the upper body, or both simultaneously. The mechanism consists of a crank, a rocker, a connector link, and a stationary fourth link so arranged as to cause a portion of the connector link to travel about a closed curve resembling an ellipse, a tear drop shape, or any variation thereof. A flywheel and/or force resisting means may be added to provide inertial characteristics and drag resistance to the operator.

REFERENCES:
patent: 4185622 (1980-01-01), Swenson
patent: 5290211 (1994-03-01), Stearns
patent: 5299993 (1994-04-01), Habing
patent: 5529555 (1996-06-01), Rodgers
patent: 5593372 (1997-01-01), Rodgers
patent: 5611756 (1997-03-01), Miller
patent: 5653662 (1997-08-01), Rodgers
patent: 5707321 (1998-01-01), Maresh

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