Grappler system for lifting apparatus
US4715762A · kind A · utility
25Cited by
7References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 9, 1987 |
| Grant date | Dec 29, 1987 |
| Priority date | — |
| Expiry date | Jan 9, 2007 |
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.