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:
Mar. 19, 2019
Filed:
Feb. 08, 2017
Panasonic Intellectual Property Management Co., Ltd., Osaka-shi, Osaka, JP;
Abstract
A main bearing is disposed on one surface of a first cylinder, an intermediate plate is disposed on another surface of the first cylinder, the intermediate plate is disposed on one surface of a second cylinder, and an auxiliary bearing is disposed on another surface of the second cylinder. A shaft is constituted by a main shaft portion, a first eccentric portion, a second eccentric portion, and an auxiliary shaft portion. A first eccentric portion center position (H) which is the center position of the first eccentric portion in height (H) is located at a position closer to the main bearing than a first piston center position (P) which is the center position of a first piston in height (P). A second eccentric portion center position (H) which is the center position of the second eccentric portion in height (H) is located at a position closer to the auxiliary bearing than a second piston center position (P) which is the center position of a second piston in height (P).