Adjustable wrench with ratchet function

Details Adjustable wrench with ratchet function Adjustable wrench with ratchet function

2009-08-11

2011-12-13

Meislin, Debra S (Department: 3727)

Tools

Wrench, screwdriver, or driver therefor

Slidable jaw adjustments

C081S133000, C081S157000, C081S165000

Reexamination Certificate

active

08074540

ABSTRACT:
An adjustable wrench with a ratchet function comprises a fixed jaw1and a movable jaw, wherein the fixed jaw has a receiving recess for receiving a screw, a first spring is disposed between the screw and the inner wall of the receiving recess, a shaft is passed through the first spring and the screw, the shaft is formed thereon with a blocking portion for catching a pin, an actuating portion protrudes from the end of the pin, the actuating portion of the pin abuts against the V-shaped push surface of an operating piece, and when pressing one of the ends of the operating piece, the actuating portion of the pin can be pushed by the V-shaped push surface so that the pin moves and disengages from the blocking portion of the shaft. At this time, the wrench can be counter-rotated to quickly perform screw locking action.

REFERENCES:
patent: 1391251 (1921-09-01), Ginsburg
patent: 3022689 (1962-02-01), McComb
patent: 5746098 (1998-05-01), Harrison
patent: 5746099 (1998-05-01), Janson
patent: 6679139 (2004-01-01), Brenizer
patent: 7137321 (2006-11-01), Huang

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