Process for self-disassembling a crawler crane
US5484069A · kind A · utility
26Cited by
17References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 20, 1993 |
| Grant date | Jan 16, 1996 |
| Priority date | — |
| Expiry date | Dec 20, 2013 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66C23/36
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A method and apparatus for self-assembling and self-disassembling a large capacity crawler crane. The method uses the load hoist line of a crane to remove the equalizer from the boom. The method also uses a hydraulic cylinder to support, raise and lower the boom after the equalizer has been removed from the boom. Finally, the boom butt can be disassembled into several parts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.