Ratchet tool having smooth engaging member

Details Ratchet tool having smooth engaging member Ratchet tool having smooth engaging member

2007-06-05

2007-06-05

Shakeri, Hadi (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Handle clutched to head

C081S060000, C192S043200

Reexamination Certificate

active

11215160

ABSTRACT:
A ratchet tool includes a tool member rotatably engaged into a cartridge and having a gear, two pawls slidably received in the cartridge and each having one or more teeth biased to engage with the gear of the tool member, and a control ferrule may control the engagement of the pawls with the gear of the tool member, and the pawls each include a ball, a roller, or a rounded or rotary or smooth member engaged between the control ferrule and the pawls, for forming a reduced contact area between the control ferrule and the smooth member, and for allowing the pawls to be effectively moved relative to the cartridge, and to be disengaged from or to be engaged with the gear of the tool member by the control ferrule.

REFERENCES:
patent: 5573093 (1996-11-01), Lee
patent: 5582081 (1996-12-01), Lin
patent: 6047802 (2000-04-01), Huang
patent: 6227077 (2001-05-01), Chiang
patent: 6250183 (2001-06-01), Chiang
patent: 6450312 (2002-09-01), Hsiao
patent: 6523439 (2003-02-01), Huang
patent: 7028587 (2006-04-01), Chiang

Affiliated with

Also associated with

Rating

Ratchet tool having smooth engaging member does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Ratchet tool having smooth engaging member, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Ratchet tool having smooth engaging member will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3875299