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:
Aug. 23, 2022
Filed:
Dec. 26, 2019
Applicant:
Sumitomo Heavy Industries, Ltd., Tokyo, JP;
Inventors:
Chunnan Wu, Kanagawa, JP;
Yusuke Sano, Kanagawa, JP;
Assignee:
SUMITOMO HEAVY INDUSTRIES, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02F 3/43 (2006.01); E02F 3/32 (2006.01); E02F 9/20 (2006.01); E02F 9/26 (2006.01);
U.S. Cl.
CPC ...
E02F 3/439 (2013.01); E02F 3/32 (2013.01); E02F 9/2041 (2013.01); E02F 9/26 (2013.01);
Abstract
A shovel includes a traveling lower body; a revolving upper body mounted on the traveling lower body; an attachment attached to the revolving upper body; and a control device mounted on the revolving upper body and configured to drive the attachment. The control device controls an angle of a teeth end of a bucket with respect to a target excavation ground, in accordance with hardness of the target excavation ground.