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:
Aug. 14, 2012
Filed:
Apr. 18, 2008
Junichi Hirata, Iwata, JP;
Junichi Hirata, Iwata, JP;
NTN Corporation, Osaka, JP;
Abstract
A hydrostatic bearing pad in which separation between a housing and a pad member and entry of an adhesive into an air supply groove are prevented to obtain stable bearing performance is provided. The hydrostatic bearing pad includes the pad member having a bearing surface forming a hydrostatic bearing and having air supply holes formed therein, and the housing bonded to the pad member with the adhesive. The air supply groove for supplying compressed gas to the pad member is formed in a surface of the housing bonded to the pad member in a manner corresponding to arrangement of the air supply holes. An adhesive inflow groove, is formed between a bonded portion, where the housing and the pad member are bonded to each other with the adhesive interposed therebetween and the air supply groove. The adhesive inflow groove, is formed along the air supply groove in the surface of the housing bonded to the pad member.