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:
Nov. 15, 1994
Filed:
Mar. 09, 1993
Sugako Otake, Aichi, JP;
Takeshi Kojima, Aichi, JP;
Michio Aoki, Aichi, JP;
Eigo Mukasa, Fujisawa, JP;
Kikuo Hosaki, Tokyo, JP;
Kabushiki Kaisha Tokai Rika Denki Seisakusho, Aichi, JP;
Abstract
The present invention provides a grease for a slide contact which comprises 100 parts by weight of a synthetic base oil which contains synthetic poly-.alpha.-olefin oil mixture as a main ingredient consisting of synthetic poly-.alpha.-olefin oil having a low viscosity of from 8 to 30 cSt (40.degree. C.) and synthetic poly-.alpha.-olefin oil having a high viscosity of 470 cSt (40 .degree. C.), 0.1-10 parts by weight of fine particulate clay mineral having micropores and/or fine particulate clay mineral structure having monolayers capable of intercalating water or anions, 5-25 parts by weight of thickener consisting of 12-hydroxy lithium stearate and lithium stearate in a weight ratio of from 20:1 to 5: 1, and 0.1-2.0 parts by weight of a phenolic primary antioxidant. The grease according to the present invention is particularly suitable as a grease for a slide contact of the sliding switch of vehicles such as an automobile.