Exercise machine

Exercise devices – User manipulated force resisting apparatus – component... – Utilizing weight resistance

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Details

482 93, 482 95, 482142, A63B 21068

Patent

active

053464478

ABSTRACT:
An exercise machine is provided having a platform on which a user is supported in a reclining position with the weight of the user being utilized as a resistance which may be selectively varied to the various exercises which may be performed on the exercise apparatus. A lever is pivotally connected to the platform with the lever being actuated by the user for raising one end of the platform with respect to a pivot point with resistance to such raising being varied by the pivotal mounting of the lever on the platform. Two of the various embodiments include a base support having a rail on which a lever has a roller mounted for riding movement thereon and pivotally connected to a lower leg for pivotal movement. Other embodiments include a lever having telescoping members with an inner one of such telescoping member being selectively fixed to a rail. Such inner telescoping member reciprocates within an outer telescoping member as the platform is raised and lowered.

REFERENCES:
patent: 248121 (1881-10-01), Tuttle
patent: 3446503 (1969-05-01), Lawton
patent: 3716230 (1973-02-01), Mark
patent: 3976058 (1976-08-01), Tidwell
patent: 4489936 (1984-12-01), Dal Monte
patent: 4632390 (1986-12-01), Richey
patent: 4750741 (1988-06-01), Smolanovich
patent: 4815732 (1989-03-01), Mahvi
patent: 4949958 (1990-08-01), Richey

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