| Patents for B60L 5 - Current-collectors for power supply lines of electrically-propelled vehicles (3,160) |
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| 02/03/1993 | EP0525595A1 Monitoring device for a current collector sliding strip |
| 01/19/1993 | US5180041 Current collecting apparatus for transport vehicle |
| 01/05/1993 | US5176230 Carbon friction strip with a damage detection facility |
| 12/17/1992 | DE4119245A1 Transport system with self-steering transport carriage - has steering line and transversely adjustable steering line sensor on carriage magnetically coupled to line |
| 12/08/1992 | CA1311269C Inductive power coupling with constant voltage output |
| 11/25/1992 | CN2122775U Common single line and meeting means for electric locomotives |
| 11/18/1992 | CN2122087U 双向集电器 Bidirectional collector |
| 10/06/1992 | US5152380 Collector shoe for collector and process for producing it |
| 10/01/1992 | DE4109878A1 Mounting for current-collecting shoe of pantograph - uses spring-loaded bolt to attach baseplate to carrier |
| 10/01/1992 | DE4109837A1 Electric vehicle with current collector - detects current exceeding given value and actuates switch to short circuit to drive lead |
| 09/30/1992 | EP0505845A1 Current supply system for an electrical conveyor track floor |
| 09/27/1992 | WO1992017929A1 Inductive power distribution system |
| 09/16/1992 | EP0503986A1 Device for measuring a force and apparatus for collecting the current of an overhead line utilising this device |
| 09/03/1992 | DE4106118A1 Electrical coupling system for power rail battery back connection for mining - has hydraulically powered actuator system to provide automatic engagement |
| 08/20/1992 | DE4201788A1 Lightweight rocker with sprung contacts for trolley wire - adjusts tension of springs by linear movement of abutments according to pivot angles of deformable parallelograms |
| 07/15/1992 | CN2110301U Combined safety slide contact wire |
| 06/30/1992 | CA1304461C Trolley head |
| 06/23/1992 | US5124510 Tracking pantograph for railway electrification |
| 06/10/1992 | EP0489614A1 Current collector shoe |
| 06/02/1992 | CA1302529C Reverse current device for railway vehicles |
| 05/27/1992 | CN1061366A Method of producing trolley-bus collector slide block |
| 05/20/1992 | CN2104778U Low abrasion, high permitting current quality pantograph |
| 05/19/1992 | US5115405 Device for adjusting the bearing force of a pantograph on a catenary wire and process relating thereto |
| 05/14/1992 | DE4036137A1 Electrified vehicle current collector |
| 05/13/1992 | EP0485273A1 Pantograph unmovable with respect to bogie frame |
| 05/13/1992 | CN2104148U Power supply brush device for hanging apparatus moving |
| 05/12/1992 | CA1300698C Roadway power and control system for inductively coupled transportation system |
| 04/29/1992 | CN1060627A Line safety device for trolleybus |
| 04/16/1992 | WO1992005976A1 Compressed air lifting device for current collectors |
| 04/16/1992 | WO1992005975A1 Current collector holder for a carbon shoe contacting a catenary for electrically driven vehicles |
| 04/15/1992 | CN2101951U Safety slip position finding transmission apparatus |
| 03/17/1992 | US5097103 Lock for trolley connector |
| 03/04/1992 | CN2098104U Power supply slide contact conduit |
| 02/19/1992 | EP0470986A1 Pantograph slipper for current collectors. |
| 02/11/1992 | US5087797 Air-cushion pantograph |
| 01/07/1992 | US5079543 Monitoring device for at least one current pickup of a conveyor truck in a conveyor system running on tracks |
| 12/27/1991 | EP0462909A1 Carbon friction strip with fault detector |
| 12/25/1991 | CN2091244U Automatic buffer falling type collector of trolleybus |
| 12/18/1991 | CN1015091B Trolley bus collector-block produced via iron-based powder metallurgy |
| 12/11/1991 | CN2090341U Overtaking device for trolleybus |
| 11/28/1991 | WO1991017905A1 Power supply means for electrically operated apparatuses and a switch for the power supply means |
| 11/28/1991 | CA2082406A1 Power supply means for electrically operated apparatuses and a switch for the power supply means |
| 11/21/1991 | DE4015967A1 Electric vehicle with battery-recharging sliding contact - collecting current from LV DC-energised strip bonded to surface of major road |
| 11/06/1991 | CN2088297U Safety slip electric transmission device |
| 10/30/1991 | EP0453721A1 Current collector |
| 10/09/1991 | CN2086221U Collector head device of trolleybus |
| 10/09/1991 | CN1055147A Trolley bus brake with off-line collector |
| 10/02/1991 | EP0449704A1 pantograph |
| 09/24/1991 | US5051546 Trolley carriage |
| 09/19/1991 | WO1991013781A1 A pantograph with two contact bows having independent articulated suspensions |
| 09/11/1991 | CN2084666U Muminium guide tube safety moveable power supply device |
| 09/04/1991 | EP0444973A1 Pantograph with two related heads for railbond traction vehicle |
| 09/03/1991 | US5045646 Electrical vehicle transportation system |
| 08/28/1991 | CN2083550U Rotary current collector for trolley-bus |
| 08/20/1991 | US5041702 Contact strip for pantograph used on electric railcar |
| 07/31/1991 | EP0439401A1 Pantograph with dampened head suspension |
| 07/27/1991 | CA2034892A1 Pantograph with two coupled heads for railroad motorcars |
| 07/25/1991 | CA2034831A1 Pantograph with a damped head suspension |
| 07/17/1991 | EP0436993A1 Pantograph for variable-inclination trains |
| 07/05/1991 | CA2033017A1 Trolley-pole pull down method and apparatus |
| 06/19/1991 | CN2079134U Automatic line net protecter of trolley-bus |
| 05/01/1991 | CN2076045U Off-line auto-lowering collector for trolley bus |
| 04/25/1991 | DE3931559C1 Current collector for electrical vehicle e.g. tram - has safety arrangement allowing hand-crank and electromotor to operate lifting spindle separately |
| 04/17/1991 | CN2075157U Bou type current collector for electric locomotive |
| 04/10/1991 | EP0420920A1 Carbon brush for collector. |
| 04/04/1991 | DE3931592A1 Controlling divisible bottle crates - directing laser beam to conveyor belt and using processor to if parts are correctly assembled |
| 03/13/1991 | EP0415972A1 Sliding strip for collector with rupture detection device. |
| 02/27/1991 | CN2072032U Magnetic collector for electric trolley |
| 02/14/1991 | DE3926109A1 Overhead current take=off emergency lowering device - responds to pressure loss in compressed air line to operate 2-2 way valve |
| 02/13/1991 | EP0412123A1 Collector shoe for collector and process for producing it. |
| 02/07/1991 | WO1991001232A1 Electrical vehicle transportation system |
| 01/09/1991 | EP0406987A1 Sliding plate support structure for current collector |
| 01/09/1991 | CN2068927U Free-escapement overtaking device for trolleybuses |
| 01/02/1991 | CN2068473U Overtaking apparatus of trolleybus |
| 12/27/1990 | WO1990015730A1 Air-cushion pantograph |
| 12/25/1990 | US4980520 Trolley-pole retrieval method and apparatus |
| 12/19/1990 | EP0403375A1 Pantograph with air cushion |
| 12/19/1990 | EP0402666A2 Sliding brush for a current collector of electrical vehicles |
| 12/19/1990 | CN2067662U Current-collector of trolley bus suitable for overtaking other cars |
| 11/28/1990 | EP0399008A1 A monitoring device for at least one current pick-up of a transport truck of a rail-borne conveyor. |
| 11/15/1990 | WO1990013453A1 Pantograph slipper for current collectors |
| 10/31/1990 | EP0395504A1 Device for regulating the pressure force of a pantograph on a catenary wire and related process |
| 10/28/1990 | CA2015651A1 Device for adjusting the bearing force of a pantograph on a catenary wire and process relating thereto |
| 10/10/1990 | CN2063707U Track type power distribution and transmission cable |
| 10/03/1990 | CN2063093U Device for buffering and preventing current-collector of trolleybus from jumping off |
| 09/26/1990 | EP0388805A2 Device for quick retraction of current collectors with pneumatic actuation for electrically propelled vehicles |
| 09/05/1990 | EP0384972A2 Security system for vehicle current collectors that can be lowered |
| 08/29/1990 | EP0384178A2 Current collecting carriage |
| 08/29/1990 | CN2061339U Safety slipping contact power transmission device |
| 06/14/1990 | WO1990006607A1 A monitoring device for at least one current pick-up of a transport truck of a rail-borne conveyor |
| 05/31/1990 | DE3936897A1 Kollektoranordnung fuer elektrische oberleitungen Collector assembly for electrical overhead lines |
| 05/31/1990 | DE3936896A1 Verfahren und vorrichtung zum anschliessen einer kollektoranordnung an eine oberleitung Method and device for connect a collector arrangement of a catenary |
| 05/31/1990 | DE3936895A1 Elektrische stromabnehmeranordnung Electrical pantograph arrangement |
| 04/18/1990 | EP0363623A1 Device for measuring the contact pressure of current collectors with a pressure sensor |
| 04/11/1990 | CN1041136A Metal-soaked carbon block of bow collector of electric locomotive |
| 04/11/1990 | CN1041135A Trolley bus collector-block produced via iron-based powder metallurgy |
| 04/05/1990 | DE3905971C1 Testing device for collector wires (contact conductors) |
| 03/07/1990 | EP0356835A2 Pantograph for electrically-propelled vehicles with a fast-lowering device |
| 03/07/1990 | EP0356834A2 Pantograph with individually sprung slippers for the current collectors of electrically propelled vehicles with overhead line supply |
| 02/28/1990 | CN2053590U Trolley bus servo collector head |