Device for connecting a power transmission shaft of an agricultural implement, machine or the like to a tractor power take-off shaft
US3961677A · kind A · utility
13Cited by
12References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 9, 1974 |
| Grant date | Jun 8, 1976 |
| Priority date | — |
| Expiry date | Sep 9, 1994 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01B71/063
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A catch bar is pivotally mounted on the rear end of a tractor and an alignment roller is mounted on the catch bar. A coupling plate is mounted on the implement to be connected. An aligning hook is secured on the coupling plate and has an opening engageable with the catch bar alignment roller so as to align vertically and horizontally the plate and its transmission shaft with the power take-off shaft on the tractor. The tractor power take-off shaft and the coupling plate power transmission shaft are provided with mutually engageable means for coupling the shafts in the vicinity of the coupling plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.