Standing vertical leg curl

Details Standing vertical leg curl Standing vertical leg curl

1979-09-07

1982-03-30

Pinkham, Richard C.

Undertaking

A63B 2106

Patent

active

043220711

ABSTRACT:
Disclosed herein is a standing vertical leg curl machine including a framework having a base and a plurality of upstanding vertical support members interconnected by horizontal braces, a pair of spaced thigh pads connected to a thigh bar having an adjustable interfit between complimentary formed tubes carried on the framework provided with a locking device for adjustment, a downwardly and outwardly extending exercise arm fashioned between the pair of thigh pads having at extremity remote from a pivot and sprocket carried on the framework a pair of transverse pads which co-act against the back portion of the calves of a person using the exercise device when the thighs of this person address the thigh pads. The sprocket is connected to a second sprocket formed with a cam provided with a weight and cable system which works against an exerciser when the legs are curled towards the back of the person.

REFERENCES:
patent: 3120954 (1964-02-01), Apostol
patent: 4149714 (1979-04-01), Lambert
patent: 4183520 (1978-03-01), Chase
patent: 4195834 (1980-04-01), Lambert
Universal Thigh-Knee Machines, Universal Gym Machines, p. 28, 1974.
Dyna Cam, Dynamics Health Equipment Manufacturing Co., Inc., 1979 edition, p. 2.

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