Exercise devices – User manipulated force resisting apparatus – component... – Utilizing weight resistance
Patent
1995-09-28
1997-02-18
Apley, Richard J.
Exercise devices
User manipulated force resisting apparatus, component...
Utilizing weight resistance
482123, 482130, 482137, A63B 2304
Patent
active
056036787
ABSTRACT:
An exercise apparatus has a platform, including a seat which supports the back and head of the user, that is rotatably attached to a frame that rests on the floor. A pivot arm, which is fixedly attached to the platform and rotatably attached to the frame, allows the platform to move between a first position where the legs of a user lying on the seat are bent approximately 90 degrees at both the knees and at the hips when the user's feet are placed on a leg support that is attached to the frame, and a second position where the user's legs are substantially fully extended. Movement of the platform is resisted by elastomeric weight straps which extend between the frame and the pivot arm or weight plates which are mounted on the platform. The weight straps and weight plates can either be used separately or in combination with one another. Stops limit the travel of the platform so that the platform does not move past its desired first and second positions.
REFERENCES:
patent: 689688 (1901-10-01), Herz
patent: 3638941 (1972-02-01), Kulkens
patent: 3659844 (1972-05-01), Cummins
patent: 4377281 (1983-03-01), Jesernig et al.
patent: 4685670 (1987-08-01), Zinkin
patent: 4915378 (1990-04-01), Abrahamian et al.
patent: 5300005 (1994-04-01), Wang
patent: 5308306 (1994-05-01), Wang
Apley Richard J.
Mulcahy John
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