Grappler system for lifting apparatus
US4546891A · kind A · utility
28Cited by
11References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 20, 1984 |
| Grant date | Oct 15, 1985 |
| Priority date | — |
| Expiry date | Dec 20, 2004 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66C19/007
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A lifting apparatus having a grappler system by which one or a plurality of stacked containers may be lifted and transported. The grappler system includes pin devices capable of being inserted into standard holes provided at the corners of the container. The grappler system operates to support the bottom two containers of a plurality in a stack being lifted and is capable of dropping off the bottom container, while maintaining support of the container thereabove. The apparatus includes a hollow center design so that the containers can extend to a position above the top structural portions of the crane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.