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:
Jun. 28, 1977
Filed:
Sep. 29, 1975
Applicant:
Inventors:
Assignee:
Tesa S.A., Renens, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01B / ; G01B / ;
U.S. Cl.
CPC ...
3317 / ; 3314 / ; 3314 / ; 3316 / ; 3316 / ; 3317 / ;
Abstract
A centering and measuring head for measuring machines, comprising a tubular body in which a piston is slidably mounted and subjected to the continuous action of biassing means, at least two centering contact pieces mounted to pivot on shafts provided in the body tangentially on an imaginary circle concentric with the axis of the piston, the movements of the said centering contact pieces being controlled by the said piston, and means for monitoring the displacements of the piston against the action of the biassing restraining element.