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:
Dec. 27, 2022
Filed:
Mar. 14, 2018
Applicant:
Sumitomo Heavy Industries, Ltd., Tokyo, JP;
Inventor:
Chunnan Wu, Kanagawa, JP;
Assignee:
SUMITOMO HEAVY INDUSTRIES, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02F 3/43 (2006.01); E02F 9/26 (2006.01); E02F 9/20 (2006.01); E02F 3/32 (2006.01); E02F 9/22 (2006.01); F15B 20/00 (2006.01);
U.S. Cl.
CPC ...
E02F 3/435 (2013.01); E02F 3/32 (2013.01); E02F 3/437 (2013.01); E02F 9/2004 (2013.01); E02F 9/2029 (2013.01); E02F 9/2041 (2013.01); E02F 9/22 (2013.01); E02F 9/265 (2013.01); F15B 20/007 (2013.01); E02F 9/2267 (2013.01); E02F 9/2271 (2013.01); E02F 9/2285 (2013.01); E02F 9/2292 (2013.01); E02F 9/2296 (2013.01); F15B 2211/55 (2013.01);
Abstract
An excavator includes a lower traveling body; an upper turning body mounted on the lower traveling body; an attachment attached to the upper turning body; an attitude detecting device configured to detect an attitude of the attachment including a bucket; and a control device configured to control a toe angle of a toe of the bucket with respect to an excavation ground, based on a transition of the attitude of the attachment, information relating to a present shape of the excavation ground, and an operation content of an operation device relating to the attachment.