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:
Oct. 30, 2018
Filed:
Aug. 08, 2017
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/175 (2006.01); F04C 2/08 (2006.01); F01C 21/02 (2006.01); F01C 21/10 (2006.01); F04C 2/14 (2006.01); F04C 13/00 (2006.01); F04C 15/06 (2006.01);
U.S. Cl.
CPC ...
B41J 2/17596 (2013.01); F01C 21/02 (2013.01); F01C 21/10 (2013.01); F04C 2/086 (2013.01); F04C 2/14 (2013.01); F04C 13/001 (2013.01); F04C 15/06 (2013.01); F04C 2210/205 (2013.01); F04C 2240/60 (2013.01); F04C 2270/17 (2013.01);
Abstract
A gear pump includes a pump casing and a gear assembly. The gear assembly includes a driving gear, a driven gear, a driving gear shaft, a driven gear shaft, and a bearing frame. The bearing frame includes a frame main body, a pair of driving side bearing portions, and a pair of driven side bearing portions. The frame main body has a pair of bearing support portions, in which the driving side bearing portion and the driven side bearing portion are provided, and a connecting portion which connects the bearing support portions. The bearing support portions and the connecting portion are integrated together as a one-piece member.