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. 12, 1985
Filed:
Nov. 12, 1982
Applicant:
Inventors:
Kazuo Shiba, Tokorozawa, JP;
Masao Takahashi, Tokorozawa, JP;
Akira Kanai, Higashiyamato, JP;
Kouichi Koizumi, Matsudo, JP;
Assignee:
Citizen Watch Company Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23Q / ;
U.S. Cl.
CPC ...
269 71 ; 308 / ;
Abstract
An apparatus is disclosed which enables a controlled member (e.g. a workpiece retaining member in a jig) to be adjusted in position by extremely small amounts of linear displacement or angular rotation, with a very high degree of accuracy and static and dynamic stability. The apparatus is based on a servo system controlled by electrical signals and employs hydrostatic pads to support and move the controlled member.