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:
Mar. 19, 1991
Filed:
Dec. 14, 1989
Applicant:
Inventor:
Yuzuru Tanaka, Higashi, JP;
Assignee:
Daishowa Seiki Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G08B / ;
U.S. Cl.
CPC ...
340680 ; 33561 ;
Abstract
A contact detecting system in a machine tool, used in combination with a switch-contained touch sensor seared in a spindle of the machine tool having a movable stylus for making an usually closed switch open by moving itself due to contact with an object such as a workpiece to be detected, which can obtain an output from a sensor unit when the stylus is brought into contact with the workpiece.