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:
Feb. 21, 2012
Filed:
Dec. 15, 2006
Applicants:
Takashi Mori, Kobe, JP;
Yasuo Ohmi, Kobe, JP;
Hideki Okado, Kobe, JP;
Inventors:
Assignee:
Kabushiki Kaisha Kawasaki Precision Machinery, Kobe-shi, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 1/12 (2006.01); B23P 15/00 (2006.01); F01B 3/02 (2006.01); F01B 13/04 (2006.01); F01B 31/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A swash plate type piston pump motor is configured such that: a plurality of pistons are arranged in a circumferential direction in a cylinder block configured to rotate with a rotating shaft; the pistons reciprocate such that tip end portions thereof are guided by a smooth surface of a swash plate; and the swash plate is slidably supported by a concave surface of a swash plate support of a convex surface to be able to tilt with respect to a rotating axis, and concave surfaces and of the swash plate support include quenched portions which are partially quenched by laser light.