Exercise devices – User manipulated force resisting apparatus – component... – Utilizing force resistance generated by user only
Patent
1994-05-10
1996-05-21
Donnolly, Jerome
Exercise devices
User manipulated force resisting apparatus, component...
Utilizing force resistance generated by user only
482130, 482114, A63B 2100
Patent
active
055184839
ABSTRACT:
An exercise device of the push-pull type is disclosed. The device consists of a pair of parallel channels, knee rest unit, and hand grip unit. Either the hand grip unit and the knee rest unit can slide freely along the length of the channels, while the other unit is held stationary. Both the knee rest unit and hand grip unit have user-variable resistance means. The invention may be disassembled and folded for easy storage and transportation.
REFERENCES:
patent: 3101944 (1963-08-01), Cencig
patent: 3572701 (1969-05-01), Agamian
patent: 3589720 (1969-10-01), Agamian
patent: 4506884 (1985-03-01), Hankin
patent: 4653749 (1987-03-01), Rorabaugh
patent: 4930769 (1990-06-01), Nenoff
patent: 5295935 (1994-03-01), Wang
patent: 5328427 (1994-07-01), Sleamaker
Donnolly Jerome
Loffler Peter
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