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. 31, 2017
Filed:
Oct. 27, 2015
Toshiba Kikai Kabushiki Kaisha, Chiyoda-ku, Tokyo, JP;
Yugen Kaisha Newly Laboratory, Uji-shi, Kyoto, JP;
Atsushi Tada, Numazu, JP;
Makoto Sagara, Shizuoka, JP;
Teruaki Tsukiji, Gotemba, JP;
Takao Arai, Uji, JP;
TOSHIBA KIKAI KABUSHIKI KAISHA, Chiyoda-Ku, Tokyo, JP;
YUGEN KAISHA NEWLY LABORATORY, Uji-Shi, Kyoto, JP;
Abstract
A hydrostatic pressure guide mechanism includes: a guide member having a smooth guide surface; a movement member having a slide surface facing the guide surface and an annular placement groove formed on the slide surface; an annular seal member (hermetically closing member) that is disposed in the placement groove and capable of hermetically contacting with the guide surface; an oil supply structure configured to supply an oil into a static pressure pocket on the slide surface surrounded by the seal member; and an oil recovery structure configured to recover the oil from the static pressure pocket, in which the oil recovery structure has a recovery hole that is formed in the static pressure pocket and is opened on the slide surface.