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:
May. 03, 2016
Filed:
Jul. 13, 2011
Applicant:
Masatoshi Asai, Tokyo, JP;
Inventor:
Masatoshi Asai, Tokyo, JP;
Assignee:
MAX CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 53/14 (2006.01); F04B 39/04 (2006.01); F04B 39/00 (2006.01); F04B 43/00 (2006.01);
U.S. Cl.
CPC ...
F04B 39/042 (2013.01); F04B 39/0005 (2013.01); F04B 43/0018 (2013.01); F04B 53/143 (2013.01);
Abstract
A rocking piston type compressor is provided with a piston rod, a lip ring, and a ring holding member. The lip ring includes a center portion fixed by the ring holding member, and a lip portion upwardly extending around the center portion along a periphery of the ring holding member. The ring holding member includes a flange portion covering at least a part of an upper end surface of lip portion. A back pressure introducing portion is provided in a part of the flange portion.