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. 03, 2017

Filed:

Jun. 20, 2014
Applicant:

Hitachi Construction Machinery Co., Ltd., Tokyo, JP;

Inventors:

Taiki Aizawa, Kasumigaura, JP;

Yuichiro Morita, Hitachi, JP;

Koichi Shibata, Kasumigaura, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02F 9/26 (2006.01); E02F 9/22 (2006.01); E02F 9/20 (2006.01); G07C 9/00 (2006.01); B60R 16/023 (2006.01); G05B 15/02 (2006.01); G05B 23/02 (2006.01);
U.S. Cl.
CPC ...
E02F 9/267 (2013.01); E02F 9/2062 (2013.01); E02F 9/2066 (2013.01); E02F 9/2292 (2013.01); E02F 9/2296 (2013.01); G07C 9/00007 (2013.01); B60R 16/0232 (2013.01); G05B 15/02 (2013.01); G05B 23/0283 (2013.01);
Abstract

A maintenance device for a construction machine includes: an abnormality detection means for detecting abnormality of an apparatus installed on the construction machine; an abnormality information output means for outputting abnormality information about the apparatus detected by the abnormality detection means; and a maintenance mode setting means for setting a maintenance mode for performing a maintenance work of the apparatus, wherein the abnormality information output means for eliminating negation or output of the information, if any abnormality of the apparatus is detected in a state in which the maintenance mode is set by the maintenance mode setting means.


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