Lifting pulley block
US4614331A · kind A · utility
2Cited by
5References
6Claims
0Family size
Inventor
Key dates
| Filing date | Dec 4, 1984 |
| Grant date | Sep 30, 1986 |
| Priority date | — |
| Expiry date | Dec 4, 2004 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66D3/04
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
In order to bring a pulley block close to the load to be hauled, same is provided with a carriage, removable or not, and possibly completed by a drawbar, the carriage including means for rolling on the ground and means for its fixation to the pulley block.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.