The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 7153072 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 26, 2006

Filed:

Oct. 29, 2004
Applicant:

Kuo-shen Wu, Taipei, TW;

Inventor:

Kuo-Shen Wu, Taipei, TW;

Assignee:

Other;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23C 3/35 (2006.01);
U.S. Cl.
CPC ...
Abstract

A clamping device for key duplicating machine with dual pivoted joint comprising a pair of left and right symmetrical cross grooves formed on the front side of a substrate, and aligned one with the other, for securing a pair of left and right vises, in order to enable the same pair of vises to clamp different types of keys by turning and changing from one of the two confronting side edges of the vises to the other; and two pivoted joints provided on the back side of the substrate, for rotating the pair of left and right vises to a different angular position, and for effecting duplication of the different types of keys.


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