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. 10, 2023

Filed:

Jun. 22, 2020
Applicant:

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

Inventors:

Tomoki Kurokawa, Chiba, JP;

Hiroyuki Tsukamoto, Chiba, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E02F 9/24 (2006.01); E02F 3/40 (2006.01); E02F 9/16 (2006.01); E02F 9/26 (2006.01);
U.S. Cl.
CPC ...
E02F 9/24 (2013.01); E02F 3/40 (2013.01); E02F 9/166 (2013.01); E02F 9/26 (2013.01);
Abstract

A shovel includes a lower traveling body, an upper turning body turnably mounted on the lower traveling body, a cab provided on the upper turning body, an orientation detector configured to detect the relative relationship between the orientation of the upper turning body and the orientation of the lower traveling body, and an alarm device configured to output an alarm when a backward travel operation is performed while it is detected by the orientation detector that the orientation of the upper turning body and the orientation of the lower traveling body are in a predetermined relationship. The backward travel operation is an operation to cause the lower traveling body to travel in the backward direction of the upper turning body.


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