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:
Aug. 07, 1990
Filed:
Aug. 21, 1989
Applicant:
Inventors:
Yasuo Kazama, Tokyo, JP;
Osahiko Miyazaki, Tokyo, JP;
Assignee:
Nitto Kohki Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23C / ;
U.S. Cl.
CPC ...
409178 ; 30477 ; 1441 / ; 1441 / ; 409180 ;
Abstract
A chamfering device comprising a housing in which a motor is housed, a guide base arranged at one end of this housing, a rotating shaft which is driven by the motor and whose front end is projected outside from the guide base, a chamfering blade fixed to the front end portion of the rotating shaft, partly projecting outside from the guide base, and a guide located further on the front side of the rotating shaft than the chamfering blade and attached to the front end of the rotating shaft. The guide can be contacted with the face adjacent to the chamfering portion of a workpiece.