| Patents for A01B 71 - Construction or arrangement of setting or adjusting mechanisms, of implement or tool drive or of power take-off; Means for protecting parts against dust, or the like; Adapting machine elements to or for agricultural purposes (2,226) |
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| 02/16/1993 | US5186271 Swivel hitch with improved mounting of lower gearbox |
| 12/30/1992 | EP0519913A1 Method and apparatus for soil cultivation. |
| 11/24/1992 | CA1310751C Double air-fuel ratio sensor system carrying out learning control operation |
| 11/17/1992 | CA1310222C Hitch adapter for use in connecting semi-integral, pto-driven implements to tractor three-point hitch |
| 11/11/1992 | EP0512326A1 Drawbar |
| 10/27/1992 | US5158500 Primary drive line and coupling for agricultural implements |
| 10/08/1992 | DE4110634A1 Articulated frame for haymaking machine - comprises knuckle joint with double cross core surrounded by the meshed fork ends of the frame members |
| 10/06/1992 | US5152357 Swivel hitch for connecting an implement to a tractor |
| 08/11/1992 | US5136828 Farm machine which detects an intermediate position of a connecting device |
| 07/02/1992 | DE4138857A1 Non-jamming coupling for rotary part of agricultural attachment |
| 06/25/1992 | DE4040652A1 Agricultural machine for attachment to tractor - has input shaft which can be tilted or swung to disengage it from drive |
| 06/11/1992 | WO1992009189A1 Improvements in agricultural and other powered equipment |
| 06/11/1992 | CA2095845A1 Improvements in agricultural and other powered equipment |
| 04/28/1992 | CA1299376C Mower |
| 04/22/1992 | CN2101985U Offset dead pulley hanging connection device |
| 04/15/1992 | EP0480005A1 Device for attaching working implements to a tractor |
| 04/09/1992 | DE4132889A1 Coupling for tractor and ancillary units - has guides in bushes followed by drive coupling engagement |
| 03/31/1992 | US5099936 Power take-off transmission for tractors |
| 03/19/1992 | WO1992003912A1 Agricultural machine |
| 02/18/1992 | CA1295872C Hitch and drive structure for pto-driven, semi-integral implement |
| 02/18/1992 | CA1295871C Hitch and drive structure for pto-driven, semi-integral implement |
| 02/04/1992 | CA1295170C Farm product pickup baler |
| 01/21/1992 | US5082065 Quick attach implement coupler |
| 01/21/1992 | CA1294480C Device for connecting working implement to tractor |
| 01/08/1992 | CN2092189U Multi-function cultivator of agricultural tricycle |
| 01/08/1992 | CN2092188U Multi-function agricultural cultivator |
| 01/08/1992 | CN2092186U Universal driving device for necessary agricultural equipments of warlking tractor |
| 01/02/1992 | EP0433282A4 Hitching assemblies |
| 12/24/1991 | US5074373 Drive connection on a support vehicle |
| 12/05/1991 | DE4017621A1 Implement for attaching to tractor - has torque transmitting coupling and has guides on tractor and implement to automatically align them assistance |
| 12/03/1991 | US5069574 Connection between two components |
| 11/19/1991 | US5065639 Double bevel gear angular drive |
| 11/14/1991 | DE4015731C1 Cover sleeve for drive-shaft link - has clips with wire snap on closure to cover maintenance opening |
| 10/31/1991 | WO1991016811A1 Device for attaching working implements to a tractor |
| 10/31/1991 | CA2063450A1 Device for attaching working implements to a tractor |
| 10/16/1991 | EP0452237A1 Farm machine which detects and intermediate position of a connecting device |
| 10/01/1991 | CA1289804C Device for connecting working implement to tractor |
| 09/25/1991 | EP0448281A1 Safety apparatus for power driven machinery |
| 09/10/1991 | US5046990 Fixed guard for rotating joints |
| 09/05/1991 | DE4006475A1 Lock screw fixing splined sleeve to splined tractor drive-shaft - has contoured edge contacting two spaced points on drive-shaft recess, preventing relative axial and rotational movement |
| 08/29/1991 | DE4105747A1 Seal unit with wiper and sealing ring - has elastically inner-coated sleeve, with lips resting on bushing and flange |
| 08/27/1991 | US5042587 Tool bar with quick release tool lock |
| 08/20/1991 | US5040615 Quick attaching power-take-off conversion unit |
| 07/24/1991 | CN2081186U Width-adjusting tillage machine for paddy field and dry land |
| 07/03/1991 | EP0434915A2 Double angular bevel gearbox |
| 06/26/1991 | EP0433282A1 Hitching assemblies. |
| 06/19/1991 | CN2078960U Universal castor |
| 06/12/1991 | CN2078519U Flexible coupling means of mechanism of power take-off for tractors |
| 05/30/1991 | WO1991007078A1 Method and apparatus for soil cultivation |
| 05/29/1991 | EP0428959A1 Multiple-row precision seed drill |
| 02/19/1991 | US4993850 Disc harrow support assembly |
| 01/29/1991 | CA1279500C Implement hitch adaptor and transmission assembly for allowing towing tractor to turn sharply |
| 01/03/1991 | DE4019948A1 Agricultural trailer connectable to tractor by shaft - has two angular gearings ensuring small turning radius |
| 12/13/1990 | DE3918845A1 Seal for rotary component on fixed component - consists of sealing rings in compartment made of similar rings through which go fixtures |
| 11/29/1990 | DE3916748A1 Protective plastics tubes for telescopic rotating shafts - have two matching longitudinal projections to prevent unwanted movement |
| 11/07/1990 | CN2065159U Power connecting shaft of tractor |
| 11/06/1990 | US4967849 Guard assembly for earth tillers |
| 10/10/1990 | EP0391090A1 Drive connection for a vehicle with mounted implements |
| 10/04/1990 | CA2013705A1 Drive connection on a support vehicle |
| 10/02/1990 | US4960344 Locking mechanism for fixing an outer part on an inner part |
| 10/02/1990 | CA1274863A1 Rubber grease and dirt seal |
| 09/18/1990 | US4957387 Spline joint |
| 09/06/1990 | DE3906410A1 Annular retainer for power take-off shaft guard |
| 09/04/1990 | US4953411 Angular bevel gear drive for agricultural implements |
| 08/07/1990 | CA1272412A1 Coupling for connecting agricultural machinery |
| 07/31/1990 | US4944711 Extendable/retractable operational sleeve |
| 07/31/1990 | US4944354 Three-point coupling device |
| 07/11/1990 | CN2059045U Plough and level machine with lighting device |
| 07/03/1990 | CA1271079A1 Device for adjusting the distance between soil working tools |
| 06/19/1990 | US4934471 Device for connecting working implement to tractor |
| 06/13/1990 | CN1043033A Flexible flat cable for connecting head of automatic reverse type tape recorder |
| 05/23/1990 | EP0369421A2 Power take-off protection |
| 05/02/1990 | EP0365811A1 Utility vehicle with a limited ground clearance |
| 05/02/1990 | CN2056555U Hydraulic driving system for bidirectional plow rake cutting coulter tooth roll |
| 03/22/1990 | WO1990002481A1 Hitching assemblies |
| 03/21/1990 | CN2054616U Tractor power take-off used for shaft rotary ploughing |
| 03/07/1990 | CN2054194U Flexible flat cable for automatic returning magnetic head |
| 02/13/1990 | US4900181 Locking device for connecting a driveshaft to a power take-off shaft |
| 02/13/1990 | US4899523 Mower |
| 01/17/1990 | CN1038862A Fastening apparatus for fastening outside component to interior component |
| 01/17/1990 | CN1006441B Device for adjusting the distance between soil working tools |
| 01/02/1990 | US4890948 Accident preventive modular device for homokinetic, wide-angle joints intended for use in agriculture or other |
| 12/19/1989 | US4887680 Device for connecting work machine to tractor |
| 12/05/1989 | US4884639 Device for connecting working implement to tractor |
| 10/19/1989 | DE3811443A1 Sealing ring |
| 06/13/1989 | US4838015 Farm product pickup baler |
| 05/24/1989 | EP0316900A2 Hitch structure |
| 05/24/1989 | EP0316899A2 Tractor and implement drawn thereby |
| 05/24/1989 | EP0316898A2 Hitch adapter |
| 05/09/1989 | US4828043 Device for adjusting the distance between soil-working tools |
| 04/18/1989 | US4821993 Retaining bracket for detachable pump |
| 04/12/1989 | EP0311577A1 An articulated joint for mechanical drives, in particular of the homokinetic type |
| 02/21/1989 | US4805927 Hitch adapter for use in connecting semi-integral, PTO-driven implements to tractor three-point hitch |
| 01/24/1989 | US4799563 Device for mounting an implement on a tractor |
| 12/28/1988 | EP0297012A2 Rotary mower |
| 12/27/1988 | US4793430 Hitch and drive structure for PTO-driven, semi-integral implement |
| 12/20/1988 | US4792006 Drive shaft coupling |
| 11/09/1988 | EP0289773A1 Agricultural hitching device |
| 10/25/1988 | US4779414 Double air-fuel ratio sensor system carrying out learning control operation |
| 10/11/1988 | US4776606 Hitch and drive structure for pto-driven, semi-integral implement |