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:
Dec. 02, 2014

Filed:

Jul. 17, 2012
Applicants:

Xiao-gang Zhu, Shenzhen, CN;

Zhao-qian Zhang, Shenzhen, CN;

Wei Huang, Shenzhen, CN;

Feng Wu, Shenzhen, CN;

Inventors:

Xiao-Gang Zhu, Shenzhen, CN;

Zhao-Qian Zhang, Shenzhen, CN;

Wei Huang, Shenzhen, CN;

Feng Wu, Shenzhen, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B26D 5/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

A punching device includes a base, a linkage assembly, a carrying assembly, a punch and a pressure arm. The linkage assembly includes a pair of linkage members, a rotating member, a first connecting rod, a second connecting rod and a third connecting rod. The rotating member is rotatably mounted on the supporting member, the pair of linkage members is movably mounted on the rotating member, the first, the second and the third connecting rods connects in turn. The carrying assembly is rotatably connected to the third connecting rod and movably supported by the loading member. The punch is mounted on an end of the rotating member. The pressure arm is rotatably connected to the supporting member and the pair of linkage members to drives the carrying assembly to position a workpiece and the punch to punch the workpiece.


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