Swivel head for grapple
US4717191A · kind A · utility
11Cited by
1References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 27, 1986 |
| Grant date | Jan 5, 1988 |
| Priority date | — |
| Expiry date | Aug 27, 2006 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66C3/005
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A swivel head for a skidding grapple incorporating a unitary body having a plate-like middle portion with a plurality of spaced apart upstading lugs and a second plurality of depending lugs, shafts installed in each of the lug pluralities for connection to the grapple head and boom clevises and with snubbing means provided on the shafts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.