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.:
Date of Patent:
Mar. 10, 2026
Filed:
Sep. 22, 2021
Applicant:
Sumitomo Construction Machinery Co., Ltd., Tokyo, JP;
Inventor:
Ryota Kurosawa, Chiba, JP;
Assignee:
SUMITOMO CONSTRUCTION MACHINERY CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02F 9/20 (2006.01); E02F 3/43 (2006.01); E02F 9/22 (2006.01); E02F 9/26 (2006.01);
U.S. Cl.
CPC ...
E02F 9/2025 (2013.01); E02F 3/435 (2013.01); E02F 9/2004 (2013.01); E02F 9/261 (2013.01); E02F 9/2232 (2013.01); E02F 9/2285 (2013.01); E02F 9/2292 (2013.01); E02F 9/2296 (2013.01);
Abstract
An excavator includes a lower traveling body; an upper turning body turnably mounted to the lower traveling body; an acquisition device mounted to the upper turning body and configured to acquire information including a status around the excavator; and a control device configured to recognize a reference object that is in a stopped state or at a fixed position around the excavator based on the information acquired by the acquisition device, and to estimate a turning angle of the upper turning body based on a change in a position of the reference object as viewed from the upper turning body.