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:
Feb. 19, 2013
Filed:
Jan. 09, 2012
Hideki Akita, Tsuchiura, JP;
Osamu Gokita, Kasumigaura, JP;
Minoru Fujisaki, Chiba-ken, JP;
Hajime Maezawa, Kasumigaura, JP;
Nobuo Yanaka, Nerima-ku, JP;
Hiroshi Nishimura, Yokohama, JP;
Hideyuki Fujiya, Ota-ku, JP;
Hideki Akita, Tsuchiura, JP;
Osamu Gokita, Kasumigaura, JP;
Minoru Fujisaki, Chiba-ken, JP;
Hajime Maezawa, Kasumigaura, JP;
Nobuo Yanaka, Nerima-ku, JP;
Hiroshi Nishimura, Yokohama, JP;
Hideyuki Fujiya, Ota-ku, JP;
Hitachi Construction Machinery Co., Ltd., Tokyo, JP;
Abstract
Grease for a slide bearing, which can suppress unusual noise attributable to a slip caused between a shaft and a bearing when a machine is stopped. In slide bearing greasesupplied to between a slide bearingformed of a porous sintered alloy-made bushing having poresimpregnated with lubricating oiland a shaftinserted in the slide bearingand supported to be slidingly rotatable in the circumferential direction, the slide bearing greaseemploys base oil having dynamic viscosity of 10-70 mm/s at 40° C. and exuding under a load of the shaftto form an oil filmbetween the slide bearingand the shaft