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:
Dec. 20, 2006
Applicants:
Ryota Ohashi, Hyogo, JP;
Hironori Sumomozawa, Hyogo, JP;
Inventors:
Ryota Ohashi, Hyogo, JP;
Hironori Sumomozawa, Hyogo, JP;
Assignee:
Kanzaki Kokyukoki Mfg. Co., Ltd., Hyogo, JP;
Primary Examiner:
Int. Cl.
CPC ...
F04B 1/12 (2006.01); F01B 3/00 (2006.01); F16D 31/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a tandem pump unit that includes: a first hydraulic pump and a second hydraulic pump respectively having a first pump shaft and a second pump shaft respectively having adjacent ends connected together so that the first and second pump shafts are coaxially aligned and non-rotatably connected in tandem; a common housing for accommodating the first hydraulic pump and the second hydraulic pump; and a first center section and a second center section that respectively support the first and second hydraulic pumps.