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:
Oct. 04, 1988
Filed:
Sep. 23, 1987
Satoru Hasegawa, Mishima, JP;
Isao Wakamiya, Nagaizumi, JP;
Toshiba Kikai Kabushiki Kaisha, Tokyo, JP;
Abstract
In apparatus for correcting displacement of a movable member of a machine tool wherein the effect caused by the displacement of the movable member is corrected by a correction load applying device supplied with pressurized fluid, there is provided a position detector for detecting the position of the movable member to produce a position signal, a displacement correction value calculator for calculating a displacement correction value in accordance with the position signal for producing a displacement correction signal, and an electromagnetic valve supplied with the displacement correction signal for adjusting the pressure of the pressurized fluid.