Four bar exercise machine

Details Four bar exercise machine Four bar exercise machine

2006-09-19

2006-09-19

Crow, Stephen R. (Department: 3764)

Exercise devices

Involving user translation or physical simulation thereof

Stair climbing

C482S057000

Reexamination Certificate

active

07108637

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: 5290211 (1994-03-01), Stearns
patent: 5299993 (1994-04-01), Habing
patent: 5383829 (1995-01-01), Miller
patent: 5707321 (1998-01-01), Maresh
patent: 5735774 (1998-04-01), Maresh
patent: 5897463 (1999-04-01), Maresh
patent: 6387017 (2002-05-01), Maresh
patent: 6802797 (2004-10-01), Maresh

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