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. 16, 1991
Filed:
Dec. 18, 1989
Applicant:
Inventor:
James E Shepherd, Eagle Point, OR (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23D / ;
U.S. Cl.
CPC ...
76 37 ; 76 805 ;
Abstract
An adjustable holder for a chisel-bit type saw chain is arranged to hold cutter elements of the chain adjacent the grinding edge of a grinding wheel for sharpening the cutter elements wherein the angle of grind can be adjusted. For this purpose, the chain holder has pivotal support on a base with a radius directed to the grinding point of the grinding wheel. Also, the holder supports the cutter elements such that their pivot support is at the grinding point. No other adjustments of the motor and grinding wheel assembly or the chain holder is necessary.