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:
Feb. 04, 2020

Filed:

Jun. 27, 2017
Applicant:

Sumitomo Heavy Industries, Ltd., Tokyo, JP;

Inventors:

Junichi Okada, Kanagawa, JP;

Takumi Itoh, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02F 3/43 (2006.01); F15B 11/028 (2006.01); F15B 11/04 (2006.01); E02F 3/32 (2006.01); E02F 9/20 (2006.01); E02F 9/22 (2006.01);
U.S. Cl.
CPC ...
E02F 3/435 (2013.01); E02F 3/32 (2013.01); E02F 9/2004 (2013.01); E02F 9/2203 (2013.01); E02F 9/2221 (2013.01); E02F 9/2271 (2013.01); F15B 11/028 (2013.01); F15B 11/04 (2013.01); F15B 2211/6309 (2013.01); F15B 2211/6313 (2013.01); F15B 2211/6326 (2013.01); F15B 2211/6346 (2013.01);
Abstract

A construction machine includes a hydraulic cylinder configured to drive an attachment, a hydraulic circuit configured to supply hydraulic oil to the hydraulic cylinder, an input device that is operated by an operator, and a controller configured to control the hydraulic circuit in at least one of a first control mode where the attachment is caused to generate a force corresponding to an operation amount of the input device and a second control mode where the attachment is driven at a velocity corresponding to the operation amount of the input device.


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