| 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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| 02/24/2015 | CA2771357C Knuckle for a railway car coupler |
| 02/19/2015 | US20150048044 Use of no-bake mold process to manufacture railroad couplers |
| 02/17/2015 | CA2755662C Railway coupler body improvements to improve knuckle rotation |
| 02/11/2015 | CN204150058U 一种可自动调整刚度的低地板车弹性铰接装置 A program that automatically adjust the stiffness of the low-floor vehicles elastic hinge means |
| 01/28/2015 | EP2829455A1 Coupling head for a rail-guided vehicle, in particular railway vehicle, automatic coupling with such a coupling head and method for coupling state detection |
| 01/21/2015 | CN204110059U 工矿机车碰钩装置 Mining locomotive hit a hook device |
| 01/15/2015 | US20150014267 Energy absorption/coupling system for a railcar and related method for coupling railcars to each other |
| 01/07/2015 | CN204077693U 车钩组件和车辆 Coupler components and vehicles |
| 12/23/2014 | US8915385 Shock-absorbing coupler head for a coupling arrangement |
| 12/16/2014 | US8910808 Coupler knuckle |
| 12/11/2014 | US20140360965 Lightweight yoke for railway coupling |
| 12/11/2014 | US20140360963 Railway vehicle coupler |
| 10/30/2014 | US20140319092 Railcar coupler core with vertical parting line and method of manufacture |
| 10/02/2014 | US20140290895 Method and system for manufacturing railcar couplers |
| 09/25/2014 | WO2014153497A1 Automated coupler positioning device |
| 09/25/2014 | WO2014151779A1 Top operating h tightlock coupler |
| 09/25/2014 | WO2014151745A1 Railway car coupler and knuckle system and method |
| 08/20/2014 | EP2766241A1 Magnetically actuated model railroad coupler |
| 08/12/2014 | US8800792 Mechanical coupling in a draftgear |
| 08/07/2014 | US20140217052 Coupler knuckle |
| 08/07/2014 | US20140217051 Process for producing a coupler knuckle and improved coupler knuckle |
| 07/31/2014 | US20140209554 Railcar coupler knuckle cores and knuckles produced by said cores |
| 07/23/2014 | CN203727406U 一种可防止钩舌销脱落的铁道车辆车钩 Capable of preventing knuckle pin off the railway vehicle coupler |
| 07/23/2014 | CN102083673B 在转向节架座上具有增加斜面的改进型轨道车厢耦合器锁 Knuckle holder stay with increased improved bevel lock railcar coupler |
| 07/22/2014 | US8783481 Use of no-bake mold process to manufacture railroad couplers |
| 07/22/2014 | US8783479 Coupling arrangement for the front of a tracked vehicle |
| 07/02/2014 | CN203681570U 铁路车辆便携式拖车装置 Portable devices for railway vehicles trailers |
| 06/18/2014 | CN203651798U 一种杆身加长的车钩缓冲装置 A buffer device coupler shaft extended |
| 06/17/2014 | CA2755684C Central datum feature on railroad coupler body and corresponding gauges |
| 06/10/2014 | US8746474 Railcar coupler knuckle cores with rear core support |
| 06/10/2014 | US8746473 Railway coupler body improvements to improve knuckle rotation |
| 06/04/2014 | CN203623704U 一种矿用机车连接装置 One kind of mine locomotive coupling device |
| 05/14/2014 | CN103786743A 钩舌 Knuckle |
| 05/13/2014 | US8720711 Railcar coupler core with vertical parting line and method of manufacture |
| 05/07/2014 | CN203580984U 仰颈式车钩 Yang neck Couplers |
| 05/06/2014 | US8714378 Coupler knuckle system and method |
| 05/01/2014 | WO2014066140A1 Coupler knuckle pin |
| 04/30/2014 | DE102012110443A1 Rail vehicle for train, has coupling device having two coupling points arranged in opposite outer regions of rail vehicle and to each of which variable-length coupling element is held and is formed for transmission of compressive forces |
| 04/30/2014 | CN103764477A Coupler head with coupler house made of sheet metal |
| 04/24/2014 | US20140110368 Coupler knuckle pin |
| 04/16/2014 | EP2718162A1 Coupler head with coupler house made of sheet metal |
| 04/15/2014 | US8695818 Railcar coupler knuckle cores and knuckles produced by said cores |
| 04/15/2014 | DE202014001206U1 Kupplungskopf einer automatischen Mittelpufferkupplung Coupling head of an automatic central buffer coupling |
| 04/08/2014 | CA2725197C Knuckle formed without a finger core |
| 04/08/2014 | CA2725123C Knuckle formed from pivot pin and kidney core and isolated finger core |
| 04/02/2014 | CN103693066A Neck pitching type car hook |
| 03/25/2014 | CA2725188C Railway coupler core structure for increased strength and fatigue life of resulting knuckle |
| 03/19/2014 | CN203485931U Coupler |
| 03/18/2014 | US8672152 Casting process for railcar coupler throwers |
| 03/12/2014 | CN103625503A Knuckle formed without a finger core |
| 03/06/2014 | WO2013101525A3 Main body core set assembly and core box for a coupler body |
| 02/18/2014 | CA2758318C Railway coupler knuckle having internal support structure |
| 02/12/2014 | EP2694349A2 Coupler support mechanism |
| 02/11/2014 | US8646631 Knuckle formed from pivot pin and kidney core and isolated finger core |
| 01/29/2014 | CN103547500A Method of manufacturing interlock feature between railcar coupler cores |
| 01/29/2014 | CN102083672B Knuckle formed without a finger core |
| 01/21/2014 | US8631952 Knuckle formed without a finger core |
| 01/15/2014 | CN203391795U Connecting device of shutter car and steel wire rope |
| 12/31/2013 | US8616389 Over-center spring coupler |
| 12/27/2013 | WO2013096161A3 Subsurface chills to improve railcar knuckle formation |
| 12/25/2013 | CN103476659A Coupler support mechanism |
| 12/11/2013 | CN103442963A Railcar coupler knuckle cores with rear core support |
| 12/11/2013 | CN103434529A Railway vehicle and vehicle coupler thereof |
| 12/04/2013 | CN103419807A Coupler knuckle push iron, railway vehicle coupler and railway vehicle |
| 12/04/2013 | CN102190004B Coupling head of an automatic middle buffer coupling |
| 11/27/2013 | CN203306028U Lockup pin for automatically unhooking hook of mine car |
| 11/21/2013 | WO2013170740A1 Coupler push-block, coupler tongue, coupler, and railroad car |
| 11/14/2013 | US20130299441 Over-center spring coupler |
| 10/30/2013 | CN203255207U Car coupler capable of preventing coupler knuckle from revolving automatically |
| 10/24/2013 | WO2013048962A8 Casting process for railcar coupler throwers |
| 10/24/2013 | US20130277325 Knuckle pin for railway car coupler |
| 10/17/2013 | US20130269900 Use of no-bake mold process to manufacture railroad couplers |
| 10/10/2013 | WO2013151777A1 Magnetically actuated model railroad coupler |
| 09/25/2013 | CN103328302A Railcar coupler core with vertical parting line and method of manufacture |
| 09/25/2013 | CN103328301A Railcar coupler knuckle cores and knuckles produced by said cores |
| 09/25/2013 | CN103328127A Interlock feature for railcar cores |
| 09/18/2013 | CN101010231B Method for casting railway car coupler knuckle |
| 09/10/2013 | CA2748669C Draft gear |
| 08/21/2013 | CN103260992A A mechanical coupling in a dragtgear |
| 08/15/2013 | US20130206716 Coupler |
| 08/14/2013 | CN103241260A Car coupler with coupler knuckle prevented from automatic rotation |
| 08/14/2013 | CN103241259A Mistaken-coupling-preventive non-rotary coupler of railway truck, and railway truck |
| 07/24/2013 | EP2616303A1 A mechanical coupling in a dragtgear |
| 07/17/2013 | CN103209877A Coupler |
| 07/16/2013 | US8485371 Use of no-bake mold process to manufacture railroad couplers |
| 06/27/2013 | CA2840835A1 Subsurface chills to improve railcar knuckle formation |
| 06/25/2013 | US8469211 Coupler draft gear, double-side operating coupler and lower lockpin rotation shaft assembly |
| 06/19/2013 | CN203005455U Draw gear locking pin combination with rotary gear |
| 06/19/2013 | CN203005454U Car coupler knuckle clamping element |
| 06/13/2013 | US20130146558 Mechanical coupling in a draftgear |
| 05/02/2013 | US20130105431 Shock-absorbing coupler head for a coupling arrangement |
| 05/01/2013 | EP2585352A1 Shock-absorbing coupler head for a coupling arrangement |
| 05/01/2013 | EP2585351A1 A buckling-resistant coupling arrangement for rail vehicles |
| 04/24/2013 | CN103068663A Procedure and equipment for filling containers with aseptic liquid |
| 04/16/2013 | US8418863 Railcar coupler lock with chamfer on the knuckle shelf seat |
| 04/04/2013 | WO2013048962A1 Casting process for railcar coupler throwers |
| 04/04/2013 | CA2840834A1 Casting process for railcar coupler throwers |
| 04/02/2013 | US8408407 Knuckle formed through the use of improved external and internal sand cores and method of manufacture |
| 03/27/2013 | CN103003128A Shock-absorbing coupler head for a coupling arrangement |
| 03/27/2013 | CN102991527A Car hook connecting and hanging method |