| Patents for B60D 1 - Traction couplings; Hitches; Draw-gear; Towing devices (10,574) |
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| 04/23/1991 | US5009445 Trailer hitch cable puller |
| 04/23/1991 | US5009444 Trailer hitch |
| 04/23/1991 | US5009443 Ball-tip stud and alignment tool and method of use |
| 04/23/1991 | CA1283322C Hitch |
| 04/16/1991 | CA1283095C Vehicle winch |
| 04/09/1991 | US5005852 Separative trailer tongue hitching method |
| 03/26/1991 | CA1282087C Drawbar coupler |
| 03/21/1991 | DE3930080A1 Farm implement for seed-sowing machine - is adapted for towing by tractor using ball-and-socket coupling |
| 03/21/1991 | DE3930078A1 Short coupling system for road goods train - incorporates rigid buffer plate between vehicle and trailer |
| 03/19/1991 | US5000474 Trailer coupling device |
| 03/19/1991 | US5000473 Collapsible towing hitch |
| 03/19/1991 | US5000067 Lock for trailer hitch |
| 03/12/1991 | US4998745 Safety quick hitch |
| 03/05/1991 | US4996855 Lock mechanism |
| 02/21/1991 | WO1991002226A1 Force measurement device for trailer couplings |
| 02/21/1991 | DE3927423A1 Coupling for joining trailer to vehicle - has fail-safe spring-loaded snap connection |
| 02/20/1991 | EP0413323A2 Ball-hitch for trailers |
| 02/19/1991 | US4993739 Tow bar |
| 02/19/1991 | US4993738 Antijackknife device for towed trailer |
| 02/19/1991 | US4993677 Clamp-on support leg for trailer tongues |
| 02/13/1991 | EP0412451A1 A hitch for coupling equipment or implements to an agricultural tractor or the like |
| 02/12/1991 | US4991865 Automatic self-aligning trailer hitch |
| 02/05/1991 | US4989892 Trailer hitch |
| 01/31/1991 | DE3923681A1 Plug connector between towing and trailer vehicles - uses socket with preset number of receptions for plug sleeves arranged corresp. to receptions for pins |
| 01/30/1991 | CN2070257U Safety device for tracting frane for vehicle trailer |
| 01/29/1991 | US4988116 Trailer hitching aid |
| 01/23/1991 | EP0409796A1 An automatically-engageable hook for hitching equipment or implements to a tractor |
| 01/22/1991 | US4986596 Baggage cart body |
| 01/15/1991 | CA1279076C Trailer coupler lock with protective housing |
| 01/15/1991 | CA1278943C Center pivot hitch assembly |
| 01/09/1991 | EP0407306A1 Telescopic device of coupling systems using such a device |
| 01/02/1991 | EP0406036A1 Trailer and tractor unit fitted with a towhitch mechanism |
| 01/02/1991 | EP0405231A2 Towbar for vehicle trailers |
| 01/02/1991 | CA1278614C Trailer electrical connector |
| 01/02/1991 | CA1278591C Mounting of the coupling body of a trailer coupling in the cross-piece |
| 01/02/1991 | CA1278590C Converter dollies for pup trailers |
| 12/27/1990 | EP0144328B1 Detachable towing bracket |
| 12/19/1990 | CN1010845B Traction coupling to resist shock and reduce vibration bidirectionally |
| 12/18/1990 | US4978134 Foldable towing hitch for vehicles |
| 12/18/1990 | US4978133 Trailer hitch shock absorber |
| 12/18/1990 | US4978104 Quick release jack |
| 12/13/1990 | WO1990014968A1 Docking aid |
| 12/13/1990 | DE3918611A1 Vertical play adjustment device - is for vehicle trailer coupling and consists of hydraulic cylinder mounted in coupling jaw |
| 12/13/1990 | DE3918536A1 Vehicle coupling locked to coupling hook of towed vehicle - has portion of swinging bolt on coupling passing fully through coupling hook |
| 12/12/1990 | EP0401404A1 Vertically adjustable mounting for a trailer hitch |
| 12/11/1990 | US4976453 Towing hitch with shiftable hitch member |
| 12/06/1990 | DE3918083A1 Vehicle trailer coupling incorporating connection condition monitor - uses checks adjacent sensors to coupling assembly and current position of coupling eye |
| 12/05/1990 | EP0400988A1 Coupling for transport system |
| 12/05/1990 | EP0400677A2 Trailer coupling comprising a device for taking up play controlled by a locking lever |
| 12/04/1990 | US4974866 Trailer hitch guide for step-type bumpers |
| 11/29/1990 | DE3917288A1 Ball and socket coupling for trailer - has fastening flange fixed to upper side of coupling housing with locking rod attached to handle |
| 11/22/1990 | DE3915598A1 Tow-hook of tow-bar coupling - is attached on vehicle side to rotary damper to suppress lateral movement of trailer |
| 11/08/1990 | DE3915944A1 Tow-bar coupling for hook ball - has bumper assembly with support attached near socket for a lateral impact plate |
| 10/24/1990 | EP0393216A1 Hook coupling |
| 10/18/1990 | DE3911925A1 Pressure resistant tubular coupling rod - has flattened end with folded-in sections and bore for bolt |
| 10/16/1990 | US4962945 Easy hitching mechanism |
| 10/09/1990 | US4961590 Trailer hitching apparatus |
| 10/09/1990 | US4961589 Trailer tongue alignment |
| 10/03/1990 | EP0389875A2 Trailer coupling hook with stabilized disconnecting holding position |
| 09/27/1990 | DE3907763A1 Device for determining the shaft forces of a trailer |
| 09/26/1990 | EP0388848A2 Remote indicator device for vehicle trailer hitches |
| 09/25/1990 | US4958870 Combination bumper and tire storage compartment with tire lock mechanism |
| 09/25/1990 | US4958848 Pintle type trailer coupling |
| 09/25/1990 | US4958847 Tow bar assembly |
| 09/20/1990 | WO1990010550A1 Trailer coupling means |
| 09/19/1990 | EP0388363A1 Trailerhitch for vehicles |
| 09/19/1990 | CN2062293U Tractive lever |
| 09/12/1990 | EP0326570B1 Height-adjustable towbar for vehicle trailers |
| 09/11/1990 | US4955968 Protective cover for a trailer hitch |
| 09/05/1990 | CN2061533U Buffer telescopic towing device |
| 09/05/1990 | CN2061532U Hook couplings for trailer of walking tractor |
| 09/04/1990 | US4953883 Truck trailer hitch |
| 08/28/1990 | US4951957 Trailer hitch |
| 08/28/1990 | US4951913 Hitch-viewing mirror assembly employing three clamping arms for grasping pickup truck's tailgate panel |
| 08/28/1990 | US4951768 Modular articulated vehicle manoevring among obstacles and modular member incorporated in said vehicle |
| 08/23/1990 | WO1990009292A1 Articulation joint/trailer of variable length |
| 08/23/1990 | DE3904682A1 Trailer coupling for a motor vehicle |
| 08/22/1990 | EP0383394A2 Tool assembly for use in the cutting of hinge patterns |
| 08/21/1990 | US4950010 Vehicle frame-mountable accessory receiver apparatus and method for manufacture |
| 08/21/1990 | US4949990 Steering column fixing structure for a vehicle |
| 08/21/1990 | US4949987 Asymmetrical four-bar trailer hitch |
| 08/21/1990 | US4949986 Body and undercarriage for interconnectable baggage carts |
| 08/16/1990 | EP0381926A2 Trailer hitch for agricultural vehicles, especially trailers |
| 08/09/1990 | CA2009702A1 Drawbar connector/articulation joint for a transport trailer and a trailer of variable length |
| 08/08/1990 | EP0380884A1 A security post |
| 08/07/1990 | US4946185 Towing device |
| 08/07/1990 | US4946182 Multi-directional adjustable towing hitch |
| 08/02/1990 | WO1990008664A1 A coupling device for a motor vehicle |
| 08/02/1990 | CA2046311A1 Coupling device for a motor vehicle |
| 07/31/1990 | US4944525 Self locking trailer hitch |
| 07/19/1990 | DE4000784A1 Towing hook for trailer - is held in place by spring-loaded pawl which can be released by rotating lever |
| 07/12/1990 | DE3900925C1 Attachment device for the ball neck of a ball head coupling |
| 07/10/1990 | US4940427 Electrical trailer connector retainer |
| 07/10/1990 | US4940371 Trailer lock down device |
| 07/03/1990 | US4938496 Ball hitch apparatus |
| 07/03/1990 | US4938495 Trailer hitch positioning apparatus |
| 07/03/1990 | US4938399 Article carrier |
| 06/28/1990 | DE3842271A1 Trailer coupling |
| 06/27/1990 | EP0374698A2 Safety device for a tractor-trailer combination |
| 06/21/1990 | DE3842901A1 Towing device |