Quick release device of a socket wrench

Tools – Wrench – screwdriver – or driver therefor – Handle or shank

Reexamination Certificate

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Details

C081S177700, C403S325000

Reexamination Certificate

active

11730769

ABSTRACT:
A quick release device of a socket wrench has a press rod and a push rod disposed in a socket plug so that the push rod can press against the press rod and the press rod can be pushed and returned toward either side. Thus, a locking steel ball can be tightly pressed or released, and a socket and the plug can be quickly released and replaced in a laborsaving manner.

REFERENCES:
patent: 4614457 (1986-09-01), Sammon
patent: 6003414 (1999-12-01), Hsieh
patent: 6006632 (1999-12-01), Hsieh
patent: 6267032 (2001-07-01), Hsieh
patent: 6755100 (2004-06-01), Chen
patent: 6857341 (2005-02-01), Cheng
patent: 6889582 (2005-05-01), Wilhelm

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