Control method and apparatus for quick change device of work tools
US10394215B2 · kind B2 · utility
1Cited by
4References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 5, 2017 |
| Grant date | Aug 27, 2019 |
| Priority date | — |
| Expiry date | Dec 14, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05B2219/50245
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
The invention relates to a control method for a quick change device of a work tool, comprising the steps of: receiving a command to disengage a work tool clamping device; determining whether the work tool clamping device is in an engaged state; detecting functionality of a disengagement alarm if the work tool is in the engaged state; switching to an emergency state upon the detection of failure of the disengagement alarm. The present invention further relates to a corresponding control apparatus and work machine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.