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:
Dec. 12, 1978
Filed:
Jan. 30, 1976
Applicant:
Inventor:
James D Phillips, Alpena, MI (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01H / ; H01H / ;
U.S. Cl.
CPC ...
307118 ; 408-6 ;
Abstract
A machine control circuit in which the sharpness of a machine tool cutting edge is sensed as a function of the pressure in a hydraulic tool-feed cylinder, and in which the machine is automatically de-activated for tool inspection after a pass is completed when the feed pressure reaches a preselected level.