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 7171883 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 06, 2007

Filed:

Jan. 16, 2001
Applicants:

Toru Ishii, Hamamatsu, JP;

Shinobu Kawase, Hamamatsu, JP;

Inventors:

Toru Ishii, Hamamatsu, JP;

Shinobu Kawase, Hamamatsu, JP;

Assignee:

Yamaha Corporation, Shizuoka-Ken, JP;

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

A punching apparatus is provided which can of punch a non-circular holes at a predetermined position of a work piece. In the punching apparatus for punching a hole by means of a punch integrated into any one of the moving part of a press working machine or the supporting part of the press working machine, and a die integrated with the other one of the moving part and the supporting part; each of the punch and the die has plurality of planes to be fitted with datum planes of a fitting jig. The punching unit for the punching apparatus comprises a punch, a die, and a fitting jig for positioning the punch and the die with respect to each other, wherein each of the punch and the die has plurality of faces for fitting and the fitting jig has datum planes to be fitted with the planes for fitting of the punch and the die.


Find Patent Forward Citations

Ishii, Toru. (2007). Punching apparatus and the punching unit thereof (U.S. Patent No. 7171883). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7171883

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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