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:
Nov. 24, 2015
Filed:
Jun. 08, 2012
Applicants:
Takuya Miyata, Oyama, JP;
Seita Hayashi, Oyama, JP;
Inventors:
Takuya Miyata, Oyama, JP;
Seita Hayashi, Oyama, JP;
Assignee:
Komatsu Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 1/24 (2006.01); F04B 1/20 (2006.01);
U.S. Cl.
CPC ...
F04B 1/2007 (2013.01); F04B 1/2042 (2013.01); F04B 1/24 (2013.01);
Abstract
A center shaft of a bent axis type axial piston pump/motor includes an outer race, which is attached to a shaft attachment hole of a cylinder block, has a shaft portion accommodation hole at one end and has a spring accommodation hole at the other end, and an inner shaft, which includes a shaft supporting spherical head portion having a large outer shape dimension at a distal end of a shaft base portion and attached to the shaft portion accommodation hole of the outer race through the shaft base portion.