Torque wrench

Details Torque wrench Torque wrench

2006-06-20

2006-06-20

Wilson, Lee D. (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Machine

C081S057440, C081S054000

Reexamination Certificate

active

07062993

ABSTRACT:
A torque wrench includes a housing having a first opening disposed opposite a second opening. The torque wrench also includes a ratchet wheel disposed in the housing and forming a shaft connecting the first opening and the second opening, a ratchet lever engaging the ratchet wheel to rotate the ratchet wheel in a given direction, and a hydraulically actuated piston disposed in the housing and connected to the ratchet lever to move the ratchet lever between a first position and a second position to rotate the ratchet wheel. The torque wrench further includes a removable drive shaft extending through the shaft to engage the ratchet wheel and be rotated by the ratchet wheel in the given direction and a first seal disposed at the first opening and a second seal disposed at the second opening to create respective seals between the housing and the drive shaft.

REFERENCES:
patent: 4201099 (1980-05-01), Junkers
patent: 4385533 (1983-05-01), Collins
patent: 4429597 (1984-02-01), Grabovac
patent: 4448096 (1984-05-01), Collins
patent: 4663997 (1987-05-01), Junkers
patent: 4669338 (1987-06-01), Collins
patent: 4744271 (1988-05-01), Collins
patent: 4753139 (1988-06-01), Junkers
patent: 4819520 (1989-04-01), Collins
patent: 4825730 (1989-05-01), Junkers
patent: 4846028 (1989-07-01), Junkers
patent: 4921010 (1990-05-01), Spirer
patent: 4982626 (1991-01-01), More et al.
patent: RE33951 (1992-06-01), Junkers
patent: 5140874 (1992-08-01), Junkers
patent: 5311796 (1994-05-01), Junkers
patent: 5325742 (1994-07-01), Miller
patent: D363770 (1995-10-01), Junkers
patent: 5924340 (1999-07-01), Junkers
patent: D416474 (1999-11-01), Wang
patent: D420279 (2000-02-01), Wang
patent: D420280 (2000-02-01), Wang
patent: D420894 (2000-02-01), Wang
patent: 6089265 (2000-07-01), Wang
patent: 6112622 (2000-09-01), Reiman
patent: D465394 (2002-11-01), Junkers
patent: D485159 (2004-01-01), Junkers
patent: 6715381 (2004-04-01), Junkers
patent: D491435 (2004-06-01), Junkers
patent: D491436 (2004-06-01), Junkers
patent: 6802235 (2004-10-01), Junkers et al.
patent: D500060 (2004-12-01), Junkers
patent: 6912933 (2005-07-01), Knopp et al.
patent: 2002/0121161 (2002-09-01), Koppenhoefer
patent: 2003/0126956 (2003-07-01), Junkers et al.
patent: 2003/0131691 (2003-07-01), Spirer
patent: 2003/0136229 (2003-07-01), Junkers
patent: 2004/0200320 (2004-10-01), Knopp
patent: 29821479 (1999-05-01), None
patent: 29905480 (1999-07-01), None
patent: WO 97/00759 (1997-01-01), None

Affiliated with

Also associated with

Rating

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

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3694989