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:
Oct. 20, 1992
Filed:
Aug. 28, 1991
Applicant:
Inventor:
Walter Stevens, Loganville, WI (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23D / ;
U.S. Cl.
CPC ...
76 37 ; 76 805 ;
Abstract
A sharpening tool has a flat central portion circular plate to which is affixed circumferential abrasive bead having convex profile and formed of an abrasive grit bonded by epoxy to the plate. The tool is less wide than the spacing between the depth gauge and the cutting tooth of a chain saw blade and is mounted to a motor which is pivotal on a frame to bring the sharpening tool into position between the depth gauge and the cutting tool. The sharpening tool may then be urged against the cutting tooth to cut a desired tooth profile.