Ball joint assembly for draft arm
US4466631A · kind A · utility
9Cited by
4References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 27, 1982 |
| Grant date | Aug 21, 1984 |
| Priority date | — |
| Expiry date | Sep 27, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/32631
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A ball joint assembly for a draft link of a three-point hitch on the tractor. The ball can be assembled through a slot in a side of the link and rotated in a spherical socket where it is retained by a retaining element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.