Lifting spreader compensating mechanism
US5052734A · kind A · utility
17Cited by
2References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 17, 1990 |
| Grant date | Oct 1, 1991 |
| Priority date | — |
| Expiry date | Apr 17, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66C1/663
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A cargo container lifting spreader compensating mechanism for facilitating engagement by the spreader with cargo containers having out-of-plane twistlock engagement receptacles, the invention comprising cross-members for carrying the twistlock lug members secured at the ends of the spreaders with rotatable connections whereby they are partially rotatable in a vertical plane perpendicular to the longitudinal axis of the spreader with a restrictor means to limit said rotation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.