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:
Jun. 03, 2008
Filed:
Jan. 31, 2006
Kazuya Sato, Gunma-ken, JP;
Kazuya Sato, Gunma-ken, JP;
Sanyo Electric Co., Ltd., Moriguchi-shi, JP;
Abstract
A rotary compressor including upper and lower cylinders constituting first and second rotary compression elements; a lower support member which closes an opening of the lower cylinder and which has a bearing as a bearing portion of a rotation shaft; a discharge muffler chamber formed by depressing an outer surface of the bearing of the lower support member on the side opposite to the lower cylinder to close the depressed portion with a lower cover; an O-ring groove formed in the surface of the bearing which abuts on the lower cover; an O-ring stored in the O-ring groove; and a gasket disposed between the lower support member. The lower cover in an outer peripheral portion of the lower support member, and the surface of the lower cover on the side of the lower support member, is provided with a stepped portion to absorb a thickness of the gasket.