Spreader bar assembly
US4538849A · kind A · utility
30Cited by
7References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 8, 1983 |
| Grant date | Sep 3, 1985 |
| Priority date | — |
| Expiry date | Aug 8, 2003 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66C1/12
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A composite spreader frame assembly provides a primary load line having a bridle attached to the load line and four radially and branching lines connected at one respective end to the bridle. A pair of separate elongated support bars are each supported independently by the alternate radially branching lines. A plurality of lifting eyes are removably connected at each respective end of the elongated support bars. Four secondary depending load lines which are generally vertical during lifting are attached at the upper end to the lifting eyes and at the lower end to a load to be lifted.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.