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:
Sep. 23, 2003

Filed:

Jan. 19, 2001
Applicant:
Inventors:

Hiroshi Fukumoto, Kaga, JP;

Masanori Taga, Fukui-ken, JP;

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

Punch machine has a plurality of punches and dies for punching a hole out of a sheet, a driving means for reciprocating in a direction intersecting with respect to the punch by the driving force of driving source , and cam mechanisms for changing the motion of the driving means into the movement direction of the punch so as to transmit to the punch between the punch and the driving means. A plurality of punches are divided into first group and second group. The cam mechanism provided between each punch of the first group and the driving means moves each punch by the motion operation of the driving means in a first direction, and the cam mechanism provided between each punch of the second group and the driving means moves each punch by the motion operation of the driving means in a second direction. Different pattern of punching is respectively possible by the first and second groups of punches.


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