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:
Jul. 18, 2017
Filed:
Nov. 20, 2013
Kanzaki Kokyukoki Mfg. Co., Ltd., Amagasaki-shi, Hyogo, JP;
Toshifumi Yasuda, Amagasaki, JP;
Yasuhisa Mochizuki, Amagasaki, JP;
Hideaki Syokita, Amagasaki, JP;
Hidemi Harada, Amagasaki, JP;
Masaki Watanabe, Amagasaki, JP;
Koji Sakata, Amagasaki, JP;
Kanzaki Kokyukoki Mfg. Co., Ltd., Hyogo, JP;
Abstract
An outer circumferential surface of a trunnion shaft includes a sliding contact region that has a circular arc shape as viewed along a slanting axis line and is substantially brought into contact with an inner circumferential surface of the bearing portion in a rotatably sliding manner, and at least one suction groove that forms a pocket portion between the suction groove and the inner surface of the bearing portion. The pocket portion is opened to an inner space of housing on at least one side in an axis line direction of the trunnion shaft.