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.:
Date of Patent:
Mar. 04, 2003
Filed:
Jul. 11, 2001
Applicant:
Inventors:
Kazuyuki Nakamura, Chiryuu, JP;
Yasushi Nogawa, Toyama, JP;
Hidetaka Nakae, Anjyou, JP;
Katsuhiko Nishimura, Anjyou, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23P 1/542 ;
U.S. Cl.
CPC ...
B23P 1/542 ;
Abstract
A helical gear tooth broach having an elongate body having a series of axially aligned and spaced teeth disposed thereon. The direction of tooth spaces or traces of the teeth in a longitudinally extending helical alignment and the direction of the gullets of the teeth in a side by side circumferentially extending helical arrangement are both oriented at a right-upward or a left-upward helix angle in common with each other.