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.

Date of Patent:
Jul. 31, 2012

Filed:

May. 21, 2010
Applicant:

Chung-yi Lee, Hsin-Tien, TW;

Inventor:

Chung-Yi Lee, Hsin-Tien, TW;

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 28/00 (2006.01); B26D 7/26 (2006.01);
U.S. Cl.
CPC ...
Abstract

A punching device includes: a lower part including a die; an upper part including a punch support attached magnetically to the die; a punch supported movably on the punch support; and a separating mechanism including a driving unit mounted rotatably on one of the upper and lower parts and rotatable relative to the upper and lower parts, and a pressing unit mounted movably on the one of the upper and lower parts and associated with the driving unit in such a manner that when an external force is applied to the driving unit for rotating the driving unit relative to the upper and lower parts, the external force can be transferred from the driving unit to the pressing unit to allow the pressing unit to press against the other of the upper and lower parts.


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