Construction equipment
US12215481B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 5, 2019 |
| Grant date | Feb 4, 2025 |
| Priority date | — |
| Expiry date | Mar 28, 2041 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02F9/262
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Provided is construction equipment including: an undercarriage; an upper swing body rotatably supported on the undercarriage; a work device supported by the upper swing body and comprising a boom, an arm and a bucket, which operate by means of respective hydraulic cylinders; a control valve for controlling the boom cylinder; an electronic proportional pressure reducing valve for controlling a spool of the control valve; a control lever for outputting a control signal corresponding to the amount of control of a driver; a work setting unit for providing a work mode and target work surface setting function; a location information providing unit for, according to a work mode setting of the work setting unit, collecting and/or calculating location information of the work device and location information of a work surface that has been set; and an electronic control unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.