Title:
ショベル
Document Type and Number:
Japanese Patent JP6851701
Kind Code:
B2
Abstract:
A turning device rotates an upper turning body in relation to a crawler. An attachment 12 has a boom, an arm, and a bucket, and a boom cylinder, an arm cylinder, and a bucket cylinder, and is attached to the upper turning body. A controller 30 limits the motion of the attachment 12 and/or the upper turning body so that the force applied to the load in the bucket during motion of the attachment 12 does not exceed a threshold value at which the load can be stabilized.
Inventors:
Junichi Okada
Application Number:
JP2017538021A
Publication Date:
March 31, 2021
Filing Date:
August 29, 2016
Export Citation:
Assignee:
Sumitomo Heavy Industries Ltd.
International Classes:
E02F9/22; E02F9/20
Domestic Patent References:
| JP62082128A | ||||
| JP2000328603A | ||||
| JP2000240604A | ||||
| JP62189222A |
Foreign References:
| US5308219 |
Attorney, Agent or Firm:
Sakaki Morishita
Tomisho Teruo
Tomisho Teruo