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:
Dec. 19, 2017
Filed:
Oct. 27, 2015
Toshiba Kikai Kabushiki Kaisha, Chiyoda-ku, Tokyo, JP;
Atsushi Tada, Numazu, JP;
Makoto Sagara, Shizuoka, JP;
Teruaki Tsukiji, Gotemba, JP;
Takao Arai, Uji, JP;
Kazuhiro Takeuchi, Numazu, JP;
Shun Tsunoda, Numazu, JP;
Masato Inatsu, Gotemba, JP;
Yusuke Ishii, Gotemba, JP;
Yuya Tanaka, Gotemba, JP;
TOSHIBA KIKAI KABUSHIKI KAISHA, Chiyoda-Ku, Tokyo, JP;
Abstract
A guide mechanism for a machine tool includes a movement member and a guide member in a form of first and second rails the movement member and the guide member relatively movable to each other. A hydrostatic pressure guide mechanism and a sliding guide mechanism are formed between the movement member and the first and second rails. The hydrostatic pressure guide mechanism includes a static pressure chamber, a seal portion sealing a periphery of the static pressure chamber, and a supply passage configured to supply a lubricating oil into the static pressure chamber.