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:
Apr. 04, 2023
Filed:
Sep. 03, 2019
Applicant:
Sumitomo(s.h.i) Construction Machinery Co., Ltd., Tokyo, JP;
Inventor:
Youji Misaki, Chiba, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02F 9/26 (2006.01); E02F 9/22 (2006.01); E02F 3/30 (2006.01); E02F 3/40 (2006.01);
U.S. Cl.
CPC ...
E02F 9/265 (2013.01); E02F 9/2282 (2013.01); E02F 9/2285 (2013.01); E02F 9/2292 (2013.01); E02F 9/262 (2013.01); E02F 3/303 (2013.01); E02F 3/40 (2013.01);
Abstract
A shovel includes a lower traveling body, an upper turning body turnably mounted on the lower traveling body, a cab mounted on the upper turning body, an attachment including a boom attached to the upper turning body, a boom cylinder configured to drive the boom, a control device configured to control hydraulic oil flowable into the boom cylinder, and an information obtaining device configured to obtain information on the attachment. The control device is configured to increase the pressure of hydraulic oil flowable into the boom cylinder in accordance with the information on the attachment before a boom raising operation is performed.