Exercise devices – User manipulated force resisting apparatus – component... – Utilizing weight resistance
Patent
1993-12-23
1998-07-07
Donnelly, Jerome
Exercise devices
User manipulated force resisting apparatus, component...
Utilizing weight resistance
482121, 482123, A63B 2108
Patent
active
057760390
ABSTRACT:
An exercise apparatus having a base, a first arm pivotable at one end thereof to the base, a second arm pivoted along its length to the other end of the first arm, and resilient means between the first and second arms, whereby relative movement of the arms is effected by the application of force reacting against the resistance of the resilient means. By the selection of the pivot points and simplified construction of the present invention, and the pivotal nature of the first arm relative to the base, the apparatus is easily foldable to a collapsed condition for easy storage and transportation. In operation, the first arm may be prevented from pivoting by the insertion of a pin through mating holes between the first arm and the base, and when the pin is removed, the first arm is pivotable to a position adjacent the base, so that the entire unit has a thickness, in its folded state, of approximately the thickness of the two arms and base member.
REFERENCES:
patent: 1703104 (1929-02-01), Hassler
patent: 3345067 (1967-10-01), Smith
patent: 4405128 (1983-09-01), Mclaughlin
patent: 4411421 (1983-10-01), Hershberger
patent: 4492375 (1985-01-01), Connelly
patent: 4627619 (1986-12-01), Rockwell et al.
patent: 5277684 (1994-01-01), Harris
patent: 5300005 (1994-04-01), Wang
patent: 5308306 (1994-05-01), Wang
Donnelly Jerome
Hollingsworth Don A.
Kenyon Howard A.
Tornabene Dean G.
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