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. 13, 2008
Filed:
Jun. 13, 2005
Masahisa Kawamura, Hyogo, JP;
Nobuhisa Kamikawa, Hyogo, JP;
Takeaki Nozaki, Hyogo, JP;
Kengo Sasahara, Hyogo, JP;
Masahisa Kawamura, Hyogo, JP;
Nobuhisa Kamikawa, Hyogo, JP;
Takeaki Nozaki, Hyogo, JP;
Kengo Sasahara, Hyogo, JP;
Kanzaki Kokyukoki Mfg. Co., Ltd., Hyogo, JP;
Abstract
There is provided a pump system including; a plurality of hydraulic pump bodies arranged in parallel; a plurality of pump shafts respectively driving the plurality of hydraulic pump bodies; a power transmission mechanism operatively connecting the plurality of pump shafts; and a pump case which accommodating the plurality of hydraulic pump bodies and the power transmission mechanism, and supports the plurality of pump shafts in a rotatable manner about an axis line, the pump case including a port block formed with supply/discharge oil passages for the plurality of pump bodies. One pump shaft of the plurality of pump shafts has a first end extending outward from the pump case so as to form an input end operatively connected to a driving source. The one pump shaft is directly or indirectly supported by the pump case at a region which is closer to the input end via a plurality of bearing members.