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:
Apr. 27, 1976
Filed:
Oct. 29, 1974
Applicant:
Inventor:
Marvin C Negley, Clarinda, IA (US);
Assignee:
Lisle Corporation, Clarinda, IA (US);
Primary Examiner:
Int. Cl.
CPC ...
B24B / ;
U.S. Cl.
CPC ...
5121 / ;
Abstract
An improved drill grinder includes a bracket construction for holding a drill against a grinding wheel. The bracket construction includes a number of adjustments for setting the point angle on the drill, the chisel edge angle, the drill size, and the lip clearance angle of the drill.