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:
Apr. 12, 2016

Filed:

Nov. 07, 2013
Applicant:

Komatsu Ltd., Tokyo, JP;

Inventors:

Atsushi Nagato, Fujisawa, JP;

Tsuyoshi Imamura, Yokohama, JP;

Hiromi Tokura, Hiratsuka, JP;

Assignee:

Komatsu Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E02F 9/26 (2006.01); G07C 5/08 (2006.01); E02F 3/43 (2006.01); E02F 9/20 (2006.01);
U.S. Cl.
CPC ...
E02F 9/26 (2013.01); E02F 3/435 (2013.01); E02F 9/2054 (2013.01); E02F 9/264 (2013.01); E02F 9/267 (2013.01); G07C 5/0808 (2013.01); G07C 5/0841 (2013.01);
Abstract

A working machine includes: an operation state detection unit configured to detect a physical amount output according to an operation of an operation lever; a time integration unit configured to calculate a time integration value by performing time integration of the physical amount; a determination unit configured to cause the time integration value and a predetermined operating angle of an excavating and loading mechanism associated with the operation of the operation lever to correspond to each other, and to determine that the operation of the operation lever has been performed, at a time the time integration value becomes a predetermined integration value or more; and a counting unit configured to count number of times of a series of excavating and loading work.


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