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. 17, 1990
Filed:
Feb. 09, 1989
Applicant:
Inventors:
David A Bernard, Ashland, OR (US);
William C Christian, Medford, OR (US);
Assignee:
Darex Corporation, Ashland, OR (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B24B / ; B24B / ; B24B / ;
U.S. Cl.
CPC ...
51 9 / ; 5121 / ; 5121 / ; 5112 / ;
Abstract
An end mill resharpening device is provided which will resharpen the primary and secondary cutting edges of both the flutes and the end of the mill. All of the proper side and end angles, as well as an end 'fish-tail' angle are produced automatically by the unique features of the device. Additional benefits provided include a novel method of making an air bearing, a floating spindle knob and grinding wheel balancer.