Extra long wrench with reliable coupling effect

Details Extra long wrench with reliable coupling effect Extra long wrench with reliable coupling effect

2008-01-29

2008-01-29

Thomas, David B (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Handle or shank

C081S177850

Reexamination Certificate

active

07322264

ABSTRACT:
A wrench includes an operative member and an extension. The operative member includes a first end for driving a fastener. The operative member further includes a second end having a connecting portion. The connecting portion includes an engaging hole. The extension includes a receiving hole in an end thereof. The connecting portion of the operative member is received in the receiving hole of the extension. A coupling portion protrudes inward from a perimeter wall defining the receiving hole. The coupling portion is engaged in the engaging hole of the operative member. Another operative member may be coupled to the other end of the extension.

REFERENCES:
patent: 5911798 (1999-06-01), Arnold
patent: 6691595 (2004-02-01), Hsien
patent: 7024969 (2006-04-01), Smith
patent: 2006/0016297 (2006-01-01), Smith
patent: 2006/0230885 (2006-10-01), Olson

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