| Patents for B61G 1 - Couplings comprising interengaging parts of different shape or form and having links, bars, pins, shackles, or hooks as coupling means (401) |
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| 12/17/1996 | US5584407 Interlocking slackless drawbar assembly for railway freight car and an interlocking mechanism therefor |
| 08/22/1996 | DE19505581A1 Railway transportation unit for mixed container types |
| 08/20/1996 | US5547089 Slackless drawbar assembly utilizing a ball and race assembly |
| 05/21/1996 | CA2005102C Articulated railroad car connector |
| 04/23/1996 | US5509547 For a conveyor device |
| 03/20/1996 | EP0701938A1 Slackless drawbar assembly utilizing a ball and race assembly |
| 12/12/1995 | CA1337720C Slackless drawbar |
| 11/15/1995 | CN2212537Y Automatic hook for mine car |
| 07/04/1995 | CA2043459C Coupler member retention in a railway vehicle |
| 05/31/1995 | CN2199106Y Structure of braking lock for locomotive |
| 05/24/1995 | CN2198164Y Automatic decoupling device |
| 03/22/1995 | EP0644132A1 Coupling device |
| 03/22/1995 | CN2192519Y Joining device for mine car |
| 09/27/1994 | US5350077 Method and device for coupling a self-propelled truck with a carrying truck |
| 08/23/1994 | CA2022355C Female connecting member with disassembly feature for articulated connection |
| 06/15/1994 | CN2168775Y Automatic vent of railway vehicles |
| 08/18/1993 | EP0556097A1 Coupling device for the towing of a railway vehicle |
| 07/21/1993 | EP0551824A1 Car unit, especially for the transport of goods |
| 12/30/1992 | EP0520301A1 Coupling device for the ends of two adjacent articulated vehicle units supported on a common bogie |
| 07/28/1992 | US5133467 Wedge shim and follower block for a railcar articulated connector |
| 06/02/1992 | CA1302333C Conveyor system |
| 05/26/1992 | US5115926 Coupler member retention in a railway vehicle |
| 03/18/1992 | EP0475632A1 Rotary coupler assembly for railway vehicle |
| 03/17/1992 | US5096075 Slackless drawbar with gravity responsive wedge |
| 03/15/1992 | CA2043457A1 Rotary coupler assembly for railway vehicle |
| 11/19/1991 | US5065679 Articulated coupling apparatus for connecting adjacent ends of a pair of railway cars together in a semipermanent manner |
| 11/13/1991 | EP0456222A1 Bearing assembly for an articulated coupling apparatus |
| 11/13/1991 | EP0456221A1 Articulated coupling apparatus for connecting a pair of railway cars together |
| 10/23/1991 | CN2087157U Automatic coupler for electric car |
| 10/23/1991 | CN2087156U Safety plug |
| 08/28/1991 | EP0443309A2 Carriage set |
| 08/27/1991 | US5042393 Locking assembly to secure a bearing assembly in an articulated coupling apparatus for connecting adjacent ends of a pair of railway cars |
| 06/06/1991 | DE3939999A1 Coupling for connecting two rail vehicles - has rotatable locking bolt and spring to release coupling claw |
| 05/14/1991 | US5014864 Conveyor system |
| 05/14/1991 | US5014626 Female connecting member with disassembly feature for articulated connection |
| 10/24/1990 | CN2064332U Linking device of trip |
| 06/26/1990 | CA1270793A1 Slackless railway coupler connection |
| 05/22/1990 | US4927035 Automatic coupling for rail borne vehicles |
| 01/16/1990 | US4893717 Trailer hitch for use with a railroad car |
| 11/23/1989 | EP0342502A1 Automatic coupling for railway vehicles |
| 10/25/1989 | EP0338100A1 Conveyor system |
| 09/13/1989 | EP0331879A1 Coupling |
| 06/28/1989 | CN2040056U Self-block coupling pin for mine car |
| 05/24/1989 | CN2038065U Safety inserted pin for chain of rope end |
| 07/20/1988 | CN87205257U Universal rotary safe and automatic connector for mine car |
| 06/15/1988 | CN87209465U Automatic hooking device for mine car |
| 06/08/1988 | CN87106679A Automatic connecting and disconnecting device for railway vihicles' couplers |
| 04/21/1988 | DE3635589A1 Quick-closure coupling, in particular for rail vehicles |
| 04/12/1988 | CA1235091A1 Railway car drawbar connector with guided slack adjusting wedges |
| 03/15/1988 | CA1234074A1 Coupler for convertible rail-highway semi-trailer |
| 01/20/1988 | CN87201808U Automatic connecting device for tram |
| 01/05/1988 | CA1231078A1 Articulated railway car connection with guide slack adjusting wedges |
| 10/20/1987 | US4700855 Automatic coupling for model rail vehicles |
| 10/20/1987 | US4700853 Slackless railway coupler connection |
| 09/23/1987 | CN86208241U Automatic coupling link-disjointing unit for goods van |
| 08/25/1987 | CA1225971A1 Uncoupling device for railway car coupler |
| 05/19/1987 | CA1221941A1 Slackless railway coupler connection |
| 02/04/1987 | CN86200133U Automatic locking unit for rail vehicle |
| 06/10/1986 | US4593829 Articulated railway car connection with guided slack adjusting wedges |
| 06/10/1986 | US4593827 Railway car drawbar connection with guided slack adjusting wedges |
| 04/29/1986 | US4585133 Coupler for convertible rail-highway semi-trailer |
| 11/06/1984 | US4480758 Railway coupler arrangement |
| 11/06/1984 | CA1177332A1 Railway car hitch for a trailer |
| 06/26/1984 | US4456133 Slackless railway coupler connection |
| 06/19/1984 | US4454953 Telescoping uncoupling lever |
| 12/13/1983 | CA1158606A1 Railway car rotary coupler |
| 11/01/1983 | CA1156189A1 Railway vehicle wear member and method for making the same |
| 08/23/1983 | US4400121 Railway car hitch for a trailer |
| 01/04/1983 | US4366911 Uncoupling central buffer couplings on rail vehicles |
| 11/09/1982 | CA1135122A1 Articulating device for joining railroad cars |
| 08/17/1982 | US4344542 Railway gang car coupler |
| 01/19/1982 | US4311244 Automatic coupler to connect convertible rail-highway vehicles end to end |
| 01/12/1982 | US4310099 Rotary connector |
| 10/27/1981 | CA1111383A1 Railroad car draft gear and coupler arrangement |
| 09/08/1981 | CA1108562A1 Pin type solid butt rotary coupler |
| 05/19/1981 | US4267935 Railway car rotary coupler |
| 04/14/1981 | CA1099233A1 Roll-over lock protection for railroad car coupler |
| 04/07/1981 | CA1098869A1 Coupler knuckle with improved gathering range |
| 03/31/1981 | US4258628 Articulated railway coupling |
| 03/24/1981 | CA1098087A2 Coupler to connect convertible rail-highway vehicles end to end |
| 02/17/1981 | CA1095860A1 Rotary type railway car coupler |
| 01/06/1981 | US4243149 Railroad car draft gear and coupler arrangement |
| 12/02/1980 | CA1090741A1 Rotary coupler |
| 10/28/1980 | US4230228 Pin type solid butt rotary coupler |
| 06/10/1980 | CA1079233A1 Rotary type railway car coupler |
| 04/01/1980 | CA1074738A1 Uncoupling device for rotary dump cars |
| 10/30/1979 | US4172530 Roll-over lock protection for railroad car coupler |
| 06/19/1979 | CA1056772A1 Uncoupling device for rotary couplers on freight cars |
| 04/24/1979 | CA1053286A2 Hitches |
| 03/06/1979 | CA1049965A1 Train coupling system |
| 02/13/1979 | US4139103 Mine car coupling including safety mechanism |
| 12/05/1978 | US4128178 Rotary type railway car coupler |
| 06/06/1978 | US4093079 Rotary coupler |
| 05/23/1978 | US4090614 Rotary type railway car coupler |
| 03/21/1978 | US4079842 Uncoupling device for rotary dump cars |
| 02/14/1978 | US4073507 Car coupling |
| 09/27/1977 | US4050588 Automatic mine car coupling |
| 08/23/1977 | US4043457 Safety mine car coupling and uncoupling apparatus |
| 10/12/1976 | US3985236 Articulated link coupler |
| 08/31/1976 | US3977532 Train coupling system |