Ratchet type screwdriver

Details Ratchet type screwdriver Ratchet type screwdriver

2006-09-19

2006-09-19

Shakeri, Hadi (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Handle clutched to head

C081S063100, C192S043200

Reexamination Certificate

active

07107876

ABSTRACT:
A screwdriver includes a body, a ratchet wheel, two pawl members, two elastic members, a cover, and a catch plate. Thus, the cover can be removed from the body, so that the user can inspect and adjust connection between the pawl members and the ratchet wheel, thereby facilitating the user repairing the screwdriver. In addition, the catch plate stops movement of the ratchet wheel and the pawl members, thereby preventing the ratchet wheel, the pawl members and the elastic members from detaching from the body after the cover is removed from the body.

REFERENCES:
patent: 5379873 (1995-01-01), Shiao
patent: 6260446 (2001-07-01), Hu
patent: 6644147 (2003-11-01), Huang
patent: 6658970 (2003-12-01), Shiao

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