Tensionless power ratchet wrench assembly

Details Tensionless power ratchet wrench assembly Tensionless power ratchet wrench assembly

2007-02-06

2007-02-06

Wilson, Lee D. (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Machine

C081S057000, C081S058000

Reexamination Certificate

active

11423189

ABSTRACT:
A power ratchet wrench assembly having a tensionless head wherein operation of the ratchet mechanism does not require a tensioning means for applying a frictional force against the ratchet mechanism to inhibit rotational movement of the ratchet mechanism. In one embodiment, the invention provides a first gear, a second gear, and a ratchet mechanism having a drive body; wherein the drive body is alternately: coupled to the first gear and ratcheting with the second gear, and coupled to the second gear and ratcheting with the first gear.

REFERENCES:
patent: 2232477 (1941-02-01), Rueb
patent: 4346630 (1982-08-01), Hanson
patent: 4722252 (1988-02-01), Fulcher et al.
patent: 4802387 (1989-02-01), Williams, III
patent: 4987802 (1991-01-01), Chern
patent: 4987803 (1991-01-01), Chern
patent: 5090237 (1992-02-01), Schrumpf et al.
patent: 5105688 (1992-04-01), Williams, III
patent: 5231901 (1993-08-01), Putney et al.
patent: 5537899 (1996-07-01), Diedrich
patent: 5782147 (1998-07-01), Chaconas et al.
patent: 5967002 (1999-10-01), Pijanowski
patent: 5983757 (1999-11-01), Blise et al.
patent: 6070499 (2000-06-01), Wisbey
patent: 6138532 (2000-10-01), McCann
patent: 6189419 (2001-02-01), Pijanowski
patent: 6209422 (2001-04-01), Kamiya et al.
patent: 6263768 (2001-07-01), Huang et al.
patent: 6481316 (2002-11-01), Liao
patent: 6490953 (2002-12-01), Horvath
patent: 6516930 (2003-02-01), Chen
patent: 6568298 (2003-05-01), Zinck
patent: 6923095 (2005-08-01), Horvath
patent: 7059217 (2006-06-01), Horvath

Affiliated with

Also associated with

Rating

Tensionless power ratchet wrench assembly does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Tensionless power ratchet wrench assembly, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Tensionless power ratchet wrench assembly will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3823356