Crane having power operated outriggers and lock means therefor
US4394913A · kind A · utility
15Cited by
11References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 7, 1980 |
| Grant date | Jul 26, 1983 |
| Priority date | — |
| Expiry date | Nov 7, 2000 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66C23/78
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A crane of the type having a boom and which requires transversely swingable outriggers to stabilize the crane when the boom is in operation. Power operated means are provided between the main frame of the crane and the outriggers for swinging the outriggers to any one of a number of positions. Power operated locking means are also provided between the main frame of the crane and the outriggers for locking the latter in their selected position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.