Actuating device of wrist exerciser

Details Actuating device of wrist exerciser Actuating device of wrist exerciser

2006-04-25

2006-04-25

Cronin, Stephen K. (Department: 3764)

Exercise devices

Hand, wrist, or finger

Involving wrist rotation

C473S570000

Reexamination Certificate

active

07033304

ABSTRACT:
A wrist exercise includes a casing rotatably receiving a rotor therein. The casing defines slots that are aligned in pair. The rotor has axially aligned rotation shafts respectively and rotatably received in holes defined in the casing for rotatably supporting the rotor inside the casing. A drive roller is mounted to one of the rotation shafts. A drive bar is partially and movable received in the casing through the aligned slots to drivingly engage the drive roller whereby by forcibly pulling the drive bar out of the casing, the drive roller is caused to drive an initial rotation of the rotor with a high rotational speed.

REFERENCES:
patent: 755446 (1904-03-01), Butcher
patent: 3932957 (1976-01-01), Morrison et al.
patent: 5353655 (1994-10-01), Mishler
patent: 6083076 (2000-07-01), Saint-Victor
patent: 6186914 (2001-02-01), Lin
patent: 6607420 (2003-08-01), Chung
patent: 6666743 (2003-12-01), Polare et al.

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