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.

Date of Patent:
Oct. 08, 2013

Filed:

May. 31, 2011
Applicants:

Yoshinori Saeki, Hirakata, JP;

Tatsushi Itou, Hirakata, JP;

Inventors:

Yoshinori Saeki, Hirakata, JP;

Tatsushi Itou, Hirakata, JP;

Assignee:

Komatsu Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F15B 1/26 (2006.01); E02F 9/00 (2006.01); B01D 35/027 (2006.01);
U.S. Cl.
CPC ...
Abstract

A hydraulic oil tank has a housing, a connecting member and a filtering device. The housing includes a main body, a storage compartment and a first through hole. The storage compartment is formed within the main body for containing a the hydraulic oil, and the first through hole is formed through the main body. The connecting member is disposed on the main body and covering the first through hole, the connecting member including a contact face having a planar shape. The filtering device is disposed within the storage compartment. The filtering device is connected to a part of the contact face exposed within the first through hole. The filtering device includes an overlapped portion overlapping with an inner edge of the first through hole in a plan view of the first through hole seen from inside of the storage compartment.


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