Finger and hand exerciser with tension adjuster

Details Finger and hand exerciser with tension adjuster Finger and hand exerciser with tension adjuster

2011-06-28

2011-06-28

Donnelly, Jerome W (Department: 3764)

Exercise devices

Hand, wrist, or finger

Having individual structure engaging each finger used

C482S044000

Reexamination Certificate

active

07967732

ABSTRACT:
A finger and hand exerciser includes a housing defining four chambers arranged side-by-side in parallel with one another. Each chamber receives a tension adjustment member, a plunger that is reciprocatingly slidable in the chamber, and a helically wound compression spring extending between the plunger and the tension adjustment member. Each tension adjustment member includes a knurled wheel which the user of the finger and hand exerciser may turn to decrease or increase the force the spring exerts on the plunger.

REFERENCES:
patent: 3216412 (1965-11-01), Houle
patent: 3447415 (1969-06-01), Kime
patent: 4609191 (1986-09-01), Remme
patent: 4765608 (1988-08-01), Bonasera
patent: 5147256 (1992-09-01), Silagy
patent: 5156581 (1992-10-01), Chow
patent: 5425690 (1995-06-01), Chang
patent: 5431611 (1995-07-01), Silagy
patent: 5690585 (1997-11-01), Ditsch
patent: 6036621 (2000-03-01), Hancock
patent: 6443874 (2002-09-01), Bennett
patent: 6673026 (2004-01-01), Pozos et al.
patent: 2003/0131710 (2003-07-01), Goldiner

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