| Patent Number |
Title Of Patent |
Date Issued |
| 4601346 |
Unit connected to a tractor for raising and lowering an agricultural implement |
July 22, 1986 |
| A unit for raising and lowering an agricultural implement, which unit is connected to a tractor. The unit includes an attachment device (6) for attaching the implement to the tractor, a raising and lowering device (2, 5) for raising and lowering the implement, and a control and regulatio |
| 4555962 |
Manually engaged and automatically disengaged locking device for a vehicle differential |
December 3, 1985 |
| The device is provided with an engagement pin carried by a differential housing of the differential operable to rigidly angularly interconnect the differential housing with one of the bevel gears of the differential, and an actuator manually controlled by an operator to bring the engagem |
| 4456074 |
Force measurement device for controlling the position of an implement for towing by an agricultu |
June 26, 1984 |
| A force measuring device for an implement for towing an agricultural machine comprising at least one connection arm between the implement and a flexure bar mounted on said agricultural machine, at least one lever connecting the arm to a control system, wherein said control system com |
| 4335887 |
Sealing device for use with flexible dynamometric bars |
June 22, 1982 |
| A sealing device for a flexible dynamometric bar associated with a hydraulic power-lift of an agricultural tractor comprises an elastomer sealing ring formed in one piece by a collar element which surrounds the bar, and a bell-shaped element, which coaxially surrounds the collar elem |
| 4289208 |
Device for controlling agricultural implements mounted on an agricultural vehicle |
September 15, 1981 |
| A device for controlling an agricultural implement mounted on a tractor includes an auxiliary hydraulic jack which exerts a force on a resiliently flexible bar sufficient to limit the deformation of the bar due to reaction forces, when the implement is in use in a ground-engaging pos |
| 4278144 |
Reversible driving station for tractor vehicle |
July 14, 1981 |
| A tractor vehicle has a driving station including a driver's seat and steering console which is mounted on a base for swivelling movement about a vertical axis through 180.degree. between a tractor configuration and a pushing power unit configuration. In the latter configuration the driv |
| 4275608 |
Gearbox for an agricultural tractor |
June 30, 1981 |
| A speed change gearbox for agricultural tractors and similar vehicles has an elongate casing rotatably mounting input and output shafts which are coupled by gearing comprising reduction means selectively operable to provide one of a plurality of reduction ratios, and a final gearing stag |
| 4260025 |
Device for automatically lifting and rapidly lowering tractor implements |
April 7, 1981 |
| A device for lifting an implement carried by an agricultural tractor three-point linkage has a flexible bar connected at its ends to the said lower linkage arms for rotation about a transverse axis, the reaction forces transmitted from the ground to the implement, when the latter is |
| 4260024 |
Device for lifting implements carried on agricultural tractors |
April 7, 1981 |
| A tractor three-point linkage has a hydraulic single-acting actuator for raising lower linkage arms through a linkage including respective vertical tie rods. A flexible compensating bar is rotatably supported by two fixed brackets on the tractor, the central region of the bar cooperating |
| 4076334 |
Track for track laying agricultural tractors and like vehicles |
February 28, 1978 |
| A track for a track-laying vehicle such as an agricultural tractor comprising a plurality of links pivoted together to form a closed loop chain, each link having bolted thereto a sole plate equipped with one or more ground-engaging cleats is disclosed. Sole plates on alternate links |
| 4059283 |
Three-point tractor linkage |
November 22, 1977 |
| A three-point linkage for coupling farm implements to a tractor has two lower links pivoted at their forward ends to a tractor and lie in a plane which from the rear to the front ends of the links is downwardly inclined and the links converge towards a point at or near ground level, and |
