Torso exercise machine with range limiter

Details Torso exercise machine with range limiter Torso exercise machine with range limiter

1990-07-20

1991-10-15

Bahr, Robert

Undertaking

272118, A63B 2100

Patent

active

050567799

ABSTRACT:
A torso exercise machine includes a seat connected to a frame for supporting a user thereon. An upper body engaging member receives force from an upper body part for exercising the torso. The upper body engaging member is pivotally mounted to the frame for pivotal movement along an eccentric path of travel while generating an instantaneous axis of rotation substantially along the torso and spine of the seated user. The eccentric path of travel of the upper body engaging member is illustrated as being obtained by pivotally mounted the upper body engaging member to the frame by a four-bar linkage. A resistance weight opposes movement of the user while the user exercises. A range limiter is provided to reduce the normal range of back and forth movement of the upper body engaging member.

REFERENCES:
patent: 4336934 (1982-06-01), Hanagan et al.
patent: 4600196 (1986-07-01), Jones
patent: 4725056 (1988-02-01), Behrl et al.
patent: 4836536 (1989-06-01), Jones
patent: 4838548 (1989-06-01), Maam
patent: 4986538 (1991-01-01), Isu, III

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