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:
Oct. 11, 2022
Filed:
Jul. 02, 2020
Hitachi Construction Machinery Co., Ltd., Tokyo, JP;
Shiho Izumi, Hitachinaka, JP;
Shuuichi Meguriya, Ishioka, JP;
Ryuu Narikawa, Mito, JP;
Kouji Ishikawa, Kasumigaura, JP;
Tarou Akita, Kasumigaura, JP;
HITACHI CONSTRUCTION MACHINERY CO., LTD., Tokyo, JP;
Abstract
A work machine () having a controller () that can perform area limiting control, the work machine further includes a machine control ON/OFF switch () that alternatively selects an ON position permitting execution of the area limiting control and an OFF position prohibiting execution of the area limiting control. The controller () has an engine control section () that performs automatic idling control when a predetermined period of time (T1) has elapsed after a point in time when all of operation levers () have attained a neutral state. The engine control section () is configured to execute the automatic idling control during when the switch () is in the OFF position and not to execute the automatic idling control during when the switch () is in the ON position.