Invention Grant
- Patent Title: Work machinery
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Application No.: US17436445Application Date: 2020-08-07
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Publication No.: US11891775B2Publication Date: 2024-02-06
- Inventor: Takaaki Chiba , Kento Kumagai
- Applicant: HITACHI CONSTRUCTION MACHINERY CO., LTD.
- Applicant Address: JP Tokyo
- Assignee: HITACHI CONSTRUCTION MACHINERY CO., LTD.
- Current Assignee: HITACHI CONSTRUCTION MACHINERY CO., LTD.
- Current Assignee Address: JP Tokyo
- Agency: MATTINGLY & MALUR, PC
- Priority: JP 19176682 2019.09.27
- International Application: PCT/JP2020/030336 2020.08.07
- International Announcement: WO2021/059776A 2021.04.01
- Date entered country: 2021-09-03
- Main IPC: E02F9/20
- IPC: E02F9/20 ; E02F9/26 ; E02F9/24 ; E02F3/43

Abstract:
The hydraulic excavator 1 includes a work implement 7, a detection device that detects an obstacle around the hydraulic excavator 1, and a controller 27 that controls the operation of the work implement 7. The controller 27 has a driving assistance function and a work assistance function. The work assistance function is switchable between enabled and disabled. When the work assistance function is switched to enabled, the controller 27 suppresses, for an obstacle detected in a monitoring range but outside of a work range, the driving assistance function in comparison with when the work assistance function is switched to disabled.
Public/Granted literature
- US20220186470A1 WORK MACHINERY Public/Granted day:2022-06-16
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