Socket wrench extension

Details Socket wrench extension Socket wrench extension

2005-01-11

2005-01-11

Meislin, Debra S. (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Handle or shank

C403S322200, C403S322300, C279S081000

Reexamination Certificate

active

06840142

ABSTRACT:
A socket wrench extension includes an elongated rod, a drive rod, a steel ball, a control knob, an elastic member, and a magnetic member. The screw member is inserted into the socket, and is attracted by the magnetic force of the magnetic member that is secured on the drive rod, so that the screw member is secured on the drive rod and is not detached from the socket, thereby facilitating the user using the elongated rod and the socket to operate the screw member. In addition, when the control knob is pressed, the drive rod and the magnetic member are fully retracted into the receiving chamber of the elongated rod, so that the screw member is detached from the magnetic member automatically.

REFERENCES:
patent: 2718806 (1955-09-01), Clark
patent: 5531140 (1996-07-01), Chow
patent: 6209208 (2001-04-01), Marinkovich et al.
patent: 6523441 (2003-02-01), Lee

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