Exercising handgrip having a tension adjustable function

Details Exercising handgrip having a tension adjustable function Exercising handgrip having a tension adjustable function

2010-02-09

2010-11-02

Donnelly, Jerome (Department: 3764)

Exercise devices

Hand, wrist, or finger

Grip

C482S108000, C482S109000

Reexamination Certificate

active

07824312

ABSTRACT:
An exercising handgrip includes a base, a first handle mounted on the base, a second handle movably mounted on the first handle and disposed between the base and the first handle, a threaded tube movably mounted on the base, a tensile spring mounted in the threaded tube and biased between the threaded tube and the second handle, and a threaded adjusting knob rotatably mounted on the base and screwed onto the threaded tube. The base has two limit ribs. The threaded tube has two limit slots each slidable on the respective limit rib of the base. Thus, the adjusting knob is rotated in the base to move the threaded tube relative to the second handle and to compress or extend the tensile spring so as to adjust the tension of the tensile spring.

REFERENCES:
patent: 3442132 (1969-05-01), DeMare
patent: 4553746 (1985-11-01), Lee
patent: 5556359 (1996-09-01), Clementi

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