Ring segment connection
US5522515A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 17, 1995 |
| Grant date | Jun 4, 1996 |
| Priority date | — |
| Expiry date | Apr 17, 2015 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66C23/84
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A ring for supporting a lift crane includes at least two ring segments each having two ends, the ends of the ring segments comprising at least one horizontal plate and at least one vertical plate. The horizontal plates and the vertical plates of adjacent ends of the ring segments are disconnectably secured to one another to form the ring support. In a preferred embodiment, the horizontal plates are connected by a vertical pin and the vertical plates are connected by a horizontal pin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.