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:
Aug. 08, 2006

Filed:

May. 09, 2002
Applicants:

Chia Hsiang Yang, Tu-chen, TW;

Chun-hsien Chiang, Tu-Chen, TW;

Zai Xing Wu, Shenzhen, CN;

Liu Sheng Tang, Shenzhen, CN;

You Cai Yang, Shenzhen, CN;

KE Liu, Shenzhen, CN;

Inventors:

Chia Hsiang Yang, Tu-chen, TW;

Chun-Hsien Chiang, Tu-Chen, TW;

Zai Xing Wu, Shenzhen, CN;

Liu Sheng Tang, Shenzhen, CN;

You Cai Yang, Shenzhen, CN;

Ke Liu, Shenzhen, CN;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B26F 1/04 (2006.01); B26F 1/14 (2006.01);
U.S. Cl.
CPC ...
Abstract

A sequential punch press includes an upper die (), a lower die (), and an adjusting device () in the upper die. The upper die sequentially includes a punch set (), a punch pad (), a punch holder (), and a stripper (). A punch () is vertically and movably secured in the punch holder and received in the stripper. The adjusting device includes first and second sliding plates () respectively having protrusions (), a piston cylinder () having a piston rod () fixedly connected with the first sliding plate, and a programmable controller for causing the piston rod to slidingly move the first sliding plate. When the first protrusions opposingly abut the second protrusions, the punch can extend beyond the stripper to punch a workpiece. When the first protrusions do not opposingly abut the second protrusions, the punch cannot extend beyond the stripper to punch the workpiece.


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