| Patents for B61G 3 - Couplings comprising mating parts of similar shape or form which can be coupled without the use of any additional element or elements (539) |
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| 09/08/1992 | US5145076 Plastic knuckle pin with annular relief grooves for preventing pin failure due to fatigue |
| 08/18/1992 | US5139161 Automatic actuator for coupler knuckle-assembly of a railway passenger car |
| 08/05/1992 | CN1063258A Mine-car automatic hookup mechanism |
| 06/25/1992 | DE4041451A1 Automatic tractive coupling for rail vehicle - has willison (RTM) profile with guide corner laterally positioned on smaller prismatic claw |
| 06/03/1992 | CN2106109U Preventive uncoupling hook for locomotive |
| 05/20/1992 | CN2104795U Automatic coupling connector for bogie |
| 05/14/1992 | CA2054390A1 Plastic knuckle pin |
| 03/18/1992 | EP0475632A1 Rotary coupler assembly for railway vehicle |
| 03/17/1992 | US5096076 Type E coupler yoke |
| 03/15/1992 | CA2043457A1 Rotary coupler assembly for railway vehicle |
| 01/29/1992 | CN2094486U Automatic coupling device for mine car |
| 08/28/1991 | EP0443309A2 Carriage set |
| 08/20/1991 | USRE33667 Telescoping uncoupling lever |
| 05/16/1991 | DE4035578A1 Coupling device for model railway vehicles - has swivel-mounted coupling yoke with projection in direction of coupling body |
| 04/17/1991 | CN2075165U Elastic coupling vehicle for connecting railway rolling stock |
| 01/30/1991 | EP0410144A1 Coupling for railway vehicles |
| 01/15/1991 | US4984696 Railway coupler head strengthened at horn line |
| 12/11/1990 | US4976363 Knuckle pin retainer for railway vehicle coupler |
| 12/11/1990 | US4976362 Pulling lug for railway vehicle coupler |
| 05/22/1990 | US4927035 Automatic coupling for rail borne vehicles |
| 05/08/1990 | CA1268736A1 Car coupler with enlarged gathering zone |
| 04/25/1990 | CN1041567A Transition vehicle for use with convertible rail-highway trailers |
| 04/17/1990 | US4917020 Transition vehicle for use with convertible rail-highway trailers |
| 03/28/1990 | EP0359899A2 Transition vehicle for use with convertible rail-highway trailers |
| 02/28/1990 | CN2053606U Automatic small coupler for railcar |
| 12/20/1989 | CN2049617U Automatic coupler for mine car |
| 11/23/1989 | EP0342502A1 Automatic coupling for railway vehicles |
| 09/14/1989 | DE3838624A1 Mixed mechanical coupling for rail vehicles |
| 08/10/1989 | DE3901530A1 Device for transmitting coupling forces between rail vehicles |
| 07/18/1989 | US4848611 Railroad car coupler arrangement limiting excess lateral movement of the coupler shank |
| 06/28/1989 | CN2040057U Safety universal automatic coupling hook for mine electric motive car |
| 06/07/1989 | EP0318733A1 Automatic coupling for rail vehicles |
| 05/23/1989 | CA1254535A1 Draft gear assembly |
| 03/14/1989 | US4811854 Knuckle structure to ensure failure at knuckle throat portion |
| 03/14/1989 | CA1251170A1 Knuckle structure to prevent knuckle pin failure in a railway coupler |
| 01/18/1989 | EP0299198A2 Automatic central coupling head for railway vehicles |
| 12/21/1988 | CN87103986A Sectional abutting train and its platform facilities |
| 10/11/1988 | US4776474 Railroad car coupler arrangement limiting excess lateral movement of the coupler shank |
| 09/28/1988 | EP0283692A2 Traction coupling for railway vehicles |
| 06/08/1988 | CN87106679A Automatic connecting and disconnecting device for railway vihicles' couplers |
| 02/17/1988 | CN87211180U Automatic hanger of a mine car |
| 11/17/1987 | US4706826 Striker carrier having an adjustable wear plate for a railway coupler |
| 11/12/1987 | DE3615599A1 Automatic traction coupling for rail vehicles |
| 11/04/1987 | EP0243758A2 Automatic coupling device for railway vehicles |
| 10/20/1987 | US4700855 Automatic coupling for model rail vehicles |
| 09/01/1987 | CA1226244A1 Coupler knuckle |
| 09/01/1987 | CA1226243A1 Railway coupler shelf chamfer |
| 08/25/1987 | CA1225971A1 Uncoupling device for railway car coupler |
| 07/29/1987 | EP0230263A2 Automatic coupling for railway vehicles |
| 07/22/1987 | EP0229664A2 Transition coupling for railway vehicles |
| 07/16/1987 | DE3600861A1 Transitional coupling for rail vehicles with an automatic coupling |
| 05/19/1987 | CA1221941A1 Slackless railway coupler connection |
| 04/16/1987 | DE3534325A1 Pre-releasable trailer coupling arrangement for rail vehicles, in particular in model railways |
| 02/24/1987 | US4645187 Draft gear assembly |
| 02/24/1987 | US4645085 Method of enhancing rigidity in a railway car coupler knuckle |
| 02/03/1987 | US4640422 Knuckle structure to prevent knuckle pin failure in a railway coupler |
| 01/20/1987 | US4637518 Coupler for a railway car coupler assembly |
| 01/20/1987 | CA1216826A1 Railway coupler |
| 01/13/1987 | US4635804 Yoke for railway car coupler assembly |
| 01/13/1987 | CA1216553A1 Buffer coupling for rail cars |
| 12/09/1986 | US4627545 Car coupler with enlarged gathering zone |
| 08/26/1986 | CA1210364A1 Railway car coupler |
| 08/12/1986 | US4605133 Coupler knuckle |
| 06/10/1986 | US4593828 Rotary railroad car F coupler |
| 05/27/1986 | CA1205049A1 Bottom shelf coupler with anticreep protection means |
| 05/06/1986 | US4586620 Railroad car coupler alignment device |
| 03/18/1986 | US4576294 Vehicle coupler device having means for taking excess impacts |
| 10/22/1985 | CA1195660A1 Type-e railroad car coupler head |
| 10/01/1985 | US4544072 Uncoupling device which complies with AAR specification |
| 06/04/1985 | CA1188262A1 Inversion protection for railroad car coupler |
| 06/04/1985 | CA1188156A1 Radial articulated truck |
| 02/05/1985 | US4497414 Mechanical central buffer coupling |
| 12/04/1984 | US4485931 Central buffer coupling for rail vehicles |
| 12/04/1984 | CA1178931A1 Railway car coupler |
| 08/21/1984 | US4466546 Bottom shelf coupler with anticreep protection means |
| 07/17/1984 | US4460099 Telescoping uncoupling lever for railway car couplers |
| 06/26/1984 | US4456133 Slackless railway coupler connection |
| 06/19/1984 | US4454953 Telescoping uncoupling lever |
| 06/19/1984 | US4454821 Radial articulated truck |
| 05/01/1984 | US4445618 Spring biased rotary railway car coupler carrier |
| 03/27/1984 | US4438855 Railway coupler shelf chamfer |
| 03/27/1984 | US4438854 Railway coupler |
| 01/31/1984 | US4428489 Rotary railroad car F coupler |
| 01/17/1984 | US4426012 Railway car coupler |
| 12/13/1983 | US4420088 Rotary railroad car coupler assembly with a horizontal key/slot arrangement |
| 08/16/1983 | US4398641 Inversion protection for railroad car coupler |
| 07/05/1983 | US4391380 Rail car coupler interlock |
| 04/05/1983 | US4378890 Telescoping uncoupling lever for railroad cars |
| 03/08/1983 | US4375857 Automatic railway controlled buffer coupling |
| 12/14/1982 | US4363414 Type-E railroad car coupler head |
| 04/06/1982 | US4323164 Locking system for a train car coupler |
| 02/23/1982 | US4316549 Railway car coupler |
| 01/12/1982 | US4310099 Rotary connector |
| 05/26/1981 | CA1101802A1 Locksetting mechanism for a rigid jaw coupler |
| 04/14/1981 | CA1099233A1 Roll-over lock protection for railroad car coupler |
| 04/07/1981 | CA1098869A1 Coupler knuckle with improved gathering range |
| 02/17/1981 | CA1095860A1 Rotary type railway car coupler |
| 02/03/1981 | US4248354 Rotary locksetting mechanism for a rigid jaw coupler |
| 01/06/1981 | CA1093021A1 Coupler knuckle assembly |
| 12/23/1980 | US4240559 Protective device for car coupler |