Electric interlock for spreader
US8505838B2 · kind B2 · utility
3Cited by
4References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 27, 2010 |
| Grant date | Aug 13, 2013 |
| Priority date | — |
| Expiry date | Aug 8, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T292/08
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A material spreader may include an electric interlock mechanism that is adjustable between: (1) a first condition where an electric supply line can supply electricity to operate a material transfer member and a door cannot be moved into an open position; and, (2) a second condition where the electric supply line cannot supply electricity to operate the material transfer member and the door can be moved into an open position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.