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:
Jul. 04, 1989
Filed:
Aug. 11, 1988
Applicant:
Inventors:
Akira Nagashima, Kawasaki, JP;
Junichi Akaike, Chofu, JP;
Assignee:
Kioritz Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23D / ;
U.S. Cl.
CPC ...
30138 ; 76 2 / ; 76 37 ;
Abstract
An automatic sharpener for a chain saw in which a securing mechanism is released by a grip portion thereof, and a sleeve-like member is moved forward with respect to the main body by urging force of a spring so that the grindstone thereof can be automatically pushed forward from its retracted position upto the position at which the teeth of the saw chain are set, and a grindstone receiving body can be slightly moved forwardly or rearwardly with respect to the main body thereof by rotation of a screw.