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:
May. 13, 2003
Filed:
Mar. 07, 2001
Hiroshi Miyachi, Tsukuba-gun, JP;
Seiji Takanashi, Tsukuba-gun, JP;
Satoshi Suzuki, Tsukuba-gun, JP;
SMC Corporation, Tokyo, JP;
Abstract
An apparatus main body is provided with an air supply passage for supplying compressed air for supporting a borne surface in a shape of a projecting spherical surface of an aligning member on a bearing surface in a shape of a partial recessed spherical surface of an air bearing such that the borne surface can be aligned and for floating the aligning member with respect to the air bearing . A lock mechanism for locking the aligning member has contact faces and in contact with each other at a locking portion at a tip end of a piston rod driven by a cylinder driving portion and on a face of the aligning member opposite to the borne surface and the contact faces are formed into partial spherical surfaces concentric with the borne surface