Electric excavator
Patent Information
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- SUMITOMO CONSTRUCTION MACHINERY
- Filing Date
- 2025-12-12
- Publication Date
- 2026-06-18
AI Technical Summary
Existing electric excavators require operators to manually check battery charging status, increasing operational burden by necessitating movement to the driver's cab for information access.
An electric excavator system that includes a detection unit for the door of the driver's cab, triggering charging information display when the door is opened, allowing real-time charging updates without operator intervention.
Reduces operational burden by providing timely charging information directly to the operator, enhancing convenience and efficiency.
Smart Images

Figure JP2025043405_18062026_PF_FP_ABST