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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.:

US 10655514 B1

PDFFull Text
Date of Patent:
May. 19, 2020

Filed:

Oct. 28, 2016

Mechanical device

Applicant:

Komatsu Ltd., Tokyo, JP;

Inventors:

Shuuji Hori, Tokyo, JP;

Hiroyuki Chikugo, Tokyo, JP;

Mutsumi Ono, Tokyo, JP;

Takuya Nohara, Tokyo, JP;

Yuta Baba, Tokyo, JP;

Toshiyuki Matsumoto, Tokyo, JP;

Assignee:

KOMATSU LTD., Tokyo, JP;

Attorney:

Locke Lord LLP

Primary Examiner:

Tracy Y Li

Int. Cl.
CPC ...
F01M 11/10 (2006.01); F04B 53/18 (2006.01); F15B 21/04 (2019.01); F04B 53/16 (2006.01); B01D 35/02 (2006.01); B01D 29/15 (2006.01); B01D 35/16 (2006.01); F15B 1/26 (2006.01); B01D 29/11 (2006.01); B01D 35/00 (2006.01); F15B 21/041 (2019.01); H04N 5/225 (2006.01); F01M 1/02 (2006.01); F01M 11/00 (2006.01);
U.S. Cl.
CPC ...
F01M 11/10 (2013.01); B01D 29/114 (2013.01); B01D 29/15 (2013.01); B01D 35/005 (2013.01); B01D 35/02 (2013.01); B01D 35/16 (2013.01); F04B 53/16 (2013.01); F04B 53/18 (2013.01); F15B 1/26 (2013.01); F15B 21/04 (2013.01); F15B 21/041 (2013.01); H04N 5/2253 (2013.01); F01M 1/02 (2013.01); F01M 11/0004 (2013.01); F15B 2211/615 (2013.01); F15B 2211/655 (2013.01); H04N 2005/2255 (2013.01);
Abstract

In order to be able to easily check the state of foreign matter contained in oil regardless of an installation location, a device main bodyhaving a housing chamberin which oil is stored, a plugattached to a bottom portion of the housing chamberin a state where an end surface of a shaft portionfaces upward, a spacer memberformed by a transparent member and arranged on the plugin such a manner that one end surfacefaces an inside of the housing chamber; and an imaging unitarranged on the plug, the imaging unitimaging the inside of the housing chambervia the spacer memberare provided.

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