EP2978077B1 - Steckverbinder für ein Elektrofahrrad - Google Patents

Steckverbinder für ein Elektrofahrrad Download PDF

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Publication number
EP2978077B1
EP2978077B1 EP14178386.0A EP14178386A EP2978077B1 EP 2978077 B1 EP2978077 B1 EP 2978077B1 EP 14178386 A EP14178386 A EP 14178386A EP 2978077 B1 EP2978077 B1 EP 2978077B1
Authority
EP
European Patent Office
Prior art keywords
plug
connector
socket
wall
connection system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP14178386.0A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2978077A1 (de
Inventor
Jörg Knudt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Werner Wirth GmbH
Original Assignee
Werner Wirth GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Werner Wirth GmbH filed Critical Werner Wirth GmbH
Priority to PT141783860T priority Critical patent/PT2978077T/pt
Priority to PL14178386T priority patent/PL2978077T3/pl
Priority to ES14178386T priority patent/ES2870723T3/es
Priority to EP14178386.0A priority patent/EP2978077B1/de
Publication of EP2978077A1 publication Critical patent/EP2978077A1/de
Application granted granted Critical
Publication of EP2978077B1 publication Critical patent/EP2978077B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/627—Snap or like fastening
    • H01R13/6278—Snap or like fastening comprising a pin snapping into a recess
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5219—Sealing means between coupling parts, e.g. interfacial seal
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/58—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable
    • H01R13/5845—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable the strain relief being achieved by molding parts around cable and connections
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/73—Means for mounting coupling parts to apparatus or structures, e.g. to a wall

Definitions

  • the invention relates to a connection system for an electric bicycle with a connector and with a connection component.
  • the plug connector comprises a plurality of electrical plug contacts and a plug wall which surrounds the plug contacts in the circumferential direction.
  • Bicycles can have auxiliary electric motors in order to relieve the cyclist, e.g. on inclines or when accelerating.
  • the motors of such electric bicycles can be arranged on the bottom bracket and have sensors that detect the torque on the bottom bracket and the speed of the bicycle.
  • a circuit on a circuit board uses a comparison of the measurement data to determine whether the motor has to accelerate the electric bicycle in order to relieve the driver or to maintain a predetermined speed.
  • these motors can act as generators for recuperation.
  • the converted energy can be fed into external electrical storage and retrieved at a later point in time.
  • the motors can also serve as an energy source for peripheral devices such as lighting, speed indicators, etc.
  • the motors need electrical lines to the energy storage devices and the peripheral devices in order to transmit energy or signals. Since the peripheral devices are usually not attached to the motor itself but to a different location on the frame of the bicycle, cables are used for the connection used, which are connected to the corresponding connections via electrical connectors.
  • Electrical connections are known in which the cable is passed through the motor housing and in which there is no possibility of separating the electrical connection directly on the motor housing.
  • the electrical plug connection is often arranged in the middle of a cable, that is to say designed as a so-called flying plug connection. It is desirable to have an electrical plug connection that is fixedly arranged on the motor housing. However, there is only little space in the area of the bottom bracket. In addition, the electrical connector is exposed to splash water there.
  • US 2003/032321 A1 discloses an electrical connector comprising an inner housing having a terminal disposed therein and an elastomeric outer housing disposed around the inner housing. At least one sealing element extends around a peripheral surface of the outer housing. A retaining element extends outwardly from the surface.
  • EP 1 211 755 A2 there is disclosed an electrical connector for an electric bicycle.
  • EP 0 008 603 A1 discloses a plug and socket coupling for the moisture-proof connection of electrical lines. The plug that fits exactly into the socket has an O-ring and can be locked into place with the socket.
  • a plug connection in which a contact holder is shaped as a hollow cylinder and has at least two longitudinal slots, each of which is provided with a snap locking recess.
  • a contact support which can be inserted into the contact holder has projections which engage in the longitudinal slots of the first contact carrier and which snap into the associated snap-lock recesses in the final inserted position of the plug-in connection.
  • a connector is disclosed having a coupling ring rotatably mounted on the connector and provided with an annular groove and slots to receive a spring strip of tough synthetic resilient material with integral pairs of jaws so that a connection to the connector with pins can be made by axial movement alone.
  • the object of the invention is to create a reliable electrical plug connection which is suitable for use in a motor of an electric bicycle arranged on the bottom bracket. Based on the stated prior art, the object is achieved by the features of the independent claims. Advantageous further developments are the subject of the dependent claims.
  • the plug connector comprises a plurality of electrical plug contacts and a plug wall which surrounds the plug contacts in the circumferential direction.
  • An outer surface of the plug wall is provided with a circumferential sealing element.
  • An outwardly projecting locking element is arranged on the outer surface of the plug wall.
  • the plug connector has a circumferential sealing element on the outer surface of the plug wall.
  • the sealing element runs around the plug contacts of the connector so that the plug contacts can be sealed by the sealing element in a suitable socket.
  • the outer surface of the plug wall further comprises an outwardly projecting locking element which locks the plug connector on the socket. The connector is thus secured against unintentional loosening, so that the electrical connection remains in place until the connector is removed by hand.
  • the outer surface of the plug wall is preferably formed parallel to the plug-in direction of the plug connector. This allows the plug wall to be easily inserted into a suitable socket.
  • the sealing element advantageously protrudes with respect to the outer surface, so that a remaining space between the outer surface and the socket is bridged.
  • the sealing element can be designed as a seal which is arranged in a groove in the side wall.
  • the sealing element is arranged in front of the locking element.
  • the fact that the elements are staggered one behind the other in the insertion direction takes advantage of the fact that there is usually sufficient space in this direction. In return, it becomes possible to keep the connector compact in the dimension perpendicular to the direction of insertion.
  • the locking element can extend from the outer surface of the plug wall in the direction of an end face. It is possible to design the end face in such a way that it interacts with a latching device of the associated socket. However, the space requirement of the electrical plug connection then increases in the dimension perpendicular to the insertion direction. It is therefore advantageous if a side surface of the locking element is designed to interact with a latching device.
  • the side surface is arranged laterally in relation to the direction that extends from the outer surface the plug wall extends to the end face.
  • the side surface can comprise an inclined section which is designed to spread a latching device when the connector is inserted.
  • the locking element is designed as a pin, the axis of which is oriented perpendicular to the outer surface of the plug wall.
  • the peripheral surface of the pin forms the side surface of the locking element.
  • the part of the circumferential surface pointing in the insertion direction is designed to spread a latching device.
  • the length of the pin is preferably dimensioned such that the end face does not protrude with respect to the latching device.
  • the plug contacts of such a connector are often arranged symmetrically. Symmetrical is understood to mean that the plug contacts can be mapped onto one another by a rotation about an axis running along the insertion direction.
  • the plug connector according to the invention can be provided with an alignment element, so that the electrical connection can be made in just one alignment of the connector.
  • the alignment element is preferably arranged on an inner surface of the plug wall. The connector can thus be inserted safely and easily in the correct orientation into a suitable socket. Damage to electrical devices in which the polarity of the plug contacts is important are avoided.
  • a hotmelt material is understood to mean a plastic material which, in a liquid, heated state, wets surfaces and solidifies permanently after cooling.
  • Thermoplastic polyurethane (TPU) for example, is suitable as such a hotmelt material.
  • TPU Thermoplastic polyurethane
  • the hotmelt material seals the space between the cable loom and the inner wall of the connector. It also stabilizes the cable loom in the connector. After leaving the hotmelt material, the cable harness can extend to the peripheral device.
  • connection system comprises a plug connector and a connection component of the electric bicycle.
  • the connection component has a socket that matches the connector.
  • the socket has a socket wall surrounding the electrical contacts in the circumferential direction. An inner surface of the socket wall is designed to form a sealing connection with the sealing element of the plug connector.
  • a suitable socket for the connector is provided with the connection component of the connection system.
  • the outer surface of the plug wall is inserted into the socket, so that a circumferential part of the inner surface of the socket wall is arranged around a circumferential part of the outer surface of the plug wall.
  • the inner surface of the socket wall of the plug socket is brought into contact with the sealing element when the plug connector is introduced.
  • the sealing element is between the outer surface of the plug wall and the inner surface the socket wall arranged.
  • a press fit is preferably provided in such a way that the sealing element is compressed perpendicular to the insertion direction. As a result, the sealing element seals off the space in which the electrical contacts and plug contacts are located from the external environment in a watertight manner. Water that reaches the plug connector cannot flow to the electrical contacts between the inner surface of the socket wall and the outer surface of the plug wall.
  • the socket wall expediently has a latching device into which the locking element of the plug connector engages when the plug connector is in engagement with the socket. This enables the connector to be securely locked on the socket.
  • the latching device is preferably designed in such a way that the space adjoining the end face of the locking element remains free. This makes it possible to arrange a plurality of sockets next to one another in a small space.
  • the socket advantageously has a base surrounding the electrical contacts, an outer surface of the base being opposite the inner surface of the socket wall.
  • the plug wall is partially or completely inserted into the space between the base and the socket wall. In this way, the path to the electrical contacts and the plug contacts for water flowing along the connector is lengthened and the protection against penetrating moisture is further increased.
  • a counter-structure that matches the alignment element of the connector is advantageously formed in the outer surface of the base. This means that the connector can only be used in be inserted into the socket in a specified orientation. The plug contacts of the connector are only connected to the intended electrical contacts of the socket.
  • connection component has a housing, an interior of the housing being sprayed out with a hotmelt material and a cable harness extending through the hotmelt material.
  • the connection component When the cable loom is poured into the hotmelt material, the transition between the cable loom and the housing is sealed.
  • the interior of the housing and the connections between the cable harnesses and the electrical contacts are stabilized.
  • connection component advantageously has a sealing section formed by the hotmelt material, which is designed to produce a watertight connection to the motor housing of the electric bicycle.
  • the cable loom can extend through the sealing section.
  • a hotmelt material is preferably used that has a high degree of flexibility and good conformability.
  • a potting polyamide material comes into consideration.
  • the connection component can function as a sealing electrical feedthrough on a housing for an electric motor with the aid of the sealing section.
  • the sealing portion can seal an opening of a space in which electrical devices such as circuit boards are arranged.
  • the sealing section advantageously has two grooves intended as sealing surfaces.
  • the grooves are expediently arranged in a plane which defines an insertion direction. Insertion direction denotes the direction in which the connection component is inserted into an associated recess in the motor housing.
  • the direction of insertion is preferably parallel to the direction of insertion of the electrical connector.
  • the grooves preferably have a shape which tapers conically parallel to the direction of insertion. Thanks to the tapered shape, the edge of the recess acts like a wedge that is pressed into the grooves. This results in a secure seal on the inside of the housing.
  • the invention also relates to an electric bike with such a connection system, the invention providing that the electric bike has an electric motor acting on the crankshaft, the electric motor being surrounded by an electric motor housing and the sealing section of the connection component sealing with the electric motor housing.
  • connection system has a set of plug connectors, at least two of the plug connectors having a matching arrangement of electrical plug contacts and that the plug connectors have alignment elements that differ from one another, and the connection component having sockets that match the alignment elements Have counter-structures, the connectors of the connector set cannot be interchanged.
  • the set can include three plug connectors with two electrical contacts each and two connectors with five electrical contacts each.
  • each connector can only be inserted into sockets that have a matching counter-structure on the outer surface of the base. This simplifies and accelerates the assembly of the plug connector, since the plug connector does not have to be assigned to a peripheral device needs.
  • a connector is identified in its entirety with the reference number 1.
  • a first alternative embodiment of a connector 1 is shown in FIG Figure 1 shown.
  • the plug connector 1 comprises seven plug contacts 10, 10 ', two of the plug contacts 10' serving as plug contacts for an electrical energy source or an electrical energy store.
  • the further plug contacts 10 are designed as contacts for signal conducting means.
  • the plug wall 11 has an outer surface 12 and an inner surface 13.
  • a sealing element 14 is arranged on the outer surface 12 and is formed from a groove running around the outer surface 12 with a seal arranged therein. The seal protrudes from the outer surface 12 of the plug wall 11.
  • the outer surface 12 has a locking element 15 which is designed as a pin.
  • the outer surface 12 is formed parallel to the insertion direction, the sealing element 14 being arranged in front of the locking element 15 in the insertion direction. The sealing element 14 is thus inserted into a suitable socket in front of the locking element 15, so that a seal takes place before the locking.
  • connection component 2 which is designated in its entirety by the reference number 2.
  • the connection component 2 has a plug socket 20 that matches the plug connector 1.
  • a base 23 of the socket 20 electrical contacts 18, 18 'are arranged.
  • the electrical contacts 18 'are designed as counterparts to the plug contacts 10'.
  • the electrical contacts 18 are designed as counterparts to the plug contacts 10. All electrical contacts 18, 18 'are arranged to match the plug contacts 10, 10'.
  • the electrical contacts 18, 18 ′ in the base 23 are surrounded by a socket wall 21.
  • the socket wall 21 includes an inner surface 22.
  • the inner surface 22 of the socket wall 21 is arranged opposite that of an outer surface 24 of the base 23.
  • the plug contacts 10, 10 ′ of this first alternative embodiment are not arranged symmetrically, so that the plug connection 1 can be inserted into the plug socket 20 in only one single orientation.
  • the plug wall 11 When the plug connector 1 is inserted into the socket 20, the plug wall 11 is arranged in the space between the socket 23 and the socket wall 21.
  • the inner surface 22 of the socket wall 21 forms a sealing closure with the sealing element 14 of the plug connector 1 protruding from the outer surface 12 of the plug wall 11.
  • the socket wall 21 also has a latching device 25 which fits to the locking element 15 of the plug connector 1.
  • the locking element 15 engages in the latching device 25 when the plug connector 1 is inserted into the socket 20.
  • the latching connection between the locking element 15 and the latching device 25 must be overridden. In this way, an unintentional release of the locking connection due to vibrations is prevented.
  • Figure 4b shows a connection system in which the plug connections 1 are inserted into the connection component 2, the locking elements 15 interacting with the latching devices 25.
  • a wall of the housing 27 of the connection component 2 is shown as transparent, so that the sealing elements 14 of the plug connections 1 are visible.
  • the sealing elements 14 are pressed against the inner surface 22 of the socket wall 21 so that they form a seal for the space in which the electrical contacts 18, 18 'and the plug contacts 10, 10' are arranged.
  • the plug contacts 10, 10 'are connected with cables, as in FIG Figure 3 is pictured.
  • the cables are led out of the connector 1 as a cable harness 4.
  • the interior 17 is injected with a hotmelt material for sealing.
  • the cable loom 4 extends through the hotmelt material. It is poured into the hotmelt material.
  • the hotmelt material seals the interior 17 of the connector 1 from the outside. This means that no spray or rainwater can get to the power lines.
  • the hotmelt material with which the interior 17 of the connector 1 is injected can be a thermoplastic urethane.
  • the connection component 2 also has a housing 27 with an interior 6 in which the electrical contacts 18 are connected to a cable harness 5.
  • the cable harness 5 is led out of the interior 6 in order to be connected to the circuit board of an electric motor 31.
  • the interior 6 of the connection component 2 is injected with a hotmelt material.
  • the cable loom 5 is thereby surrounded by the hotmelt material.
  • the hotmelt material seals the interior 6 of the housing 27 from the outside so that no moisture can get into the connection component 2 along the cable 5.
  • the hotmelt material with which the housing 27 is injected can be a potting polyamide.
  • Figures 5a-c and 5d-e each show a set of an alternative embodiment of the plug connector 1.
  • the two sets of plug connectors 1 each have a matching arrangement of symmetrically arranged plug contacts 10. They differ in the alignment elements 16 which are arranged on the inner surface 13 of the plug wall 11. Means the alignment elements 16, the alignment of each connector 1 is determined. Despite the symmetrical arrangement of the plug contacts 10, it cannot be interchanged.
  • the sockets 20 also have an in Figure 4a
  • the illustrated second alternative embodiment of the connection component 2 has counter-structures 26 which match the alignment elements 16 and which are arranged on the base 23.
  • the connectors 1 of a connector set cannot therefore be interchanged with one another. Each plug connector 1 is thus permanently assigned to a plug socket 20.
  • connection component 2 can be arranged on a housing 32 of an electric motor 31.
  • the connection component 2 has a sealing section 29 for connection to the housing 32.
  • the sealing section 29 comprises two grooves 28 which are conical in the insertion direction.
  • the connection component 2 can be arranged in a suitably configured recess on the housing 32 of the electric motor 31.
  • the grooves 28 are arranged in one plane.
  • the connection component 2 then forms the passage of the electrical line from the interior of the housing 32 to the outside.
  • the grooves 28 seal the recess on the housing 32. Due to the conically tapering shape of the grooves 28, the edge of the recess can be pressed into the grooves 28 like a wedge and thus forms a sealing connection.
  • the cable harness 5, which is led out of the connection component 2, has plugs 33 at its end, which can be connected to the circuit board of an electric motor 31.
  • the electric motor is like in Figure 6 shown in the bottom bracket of a Electric bike 3 arranged. It supports the crankshaft 30 while driving, if additional energy is required for acceleration or on inclines. When no energy is required, it absorbs additional energy, which can be released, for example, by braking maneuvers.
  • the electric motor 31 is connected to peripheral devices 34 via the connection component 2 and the plug connector 1 with the cable harnesses 4. They are supplied with energy by the electric motor 31 and can, for example, transmit data about the speed to the electric motor 31.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)
EP14178386.0A 2014-07-24 2014-07-24 Steckverbinder für ein Elektrofahrrad Active EP2978077B1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
PT141783860T PT2978077T (pt) 2014-07-24 2014-07-24 Conector de encaixe para uma bicicleta elétrica
PL14178386T PL2978077T3 (pl) 2014-07-24 2014-07-24 Wtyczka dla roweru elektrycznego
ES14178386T ES2870723T3 (es) 2014-07-24 2014-07-24 Sistema de conexión para una bicicleta eléctrica
EP14178386.0A EP2978077B1 (de) 2014-07-24 2014-07-24 Steckverbinder für ein Elektrofahrrad

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14178386.0A EP2978077B1 (de) 2014-07-24 2014-07-24 Steckverbinder für ein Elektrofahrrad

Publications (2)

Publication Number Publication Date
EP2978077A1 EP2978077A1 (de) 2016-01-27
EP2978077B1 true EP2978077B1 (de) 2021-04-14

Family

ID=51224781

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14178386.0A Active EP2978077B1 (de) 2014-07-24 2014-07-24 Steckverbinder für ein Elektrofahrrad

Country Status (4)

Country Link
EP (1) EP2978077B1 (es)
ES (1) ES2870723T3 (es)
PL (1) PL2978077T3 (es)
PT (1) PT2978077T (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109028192A (zh) * 2018-08-03 2018-12-18 广州迅速光电科技有限公司 一种节能的吸油烟机
EP3648257A1 (de) 2018-10-29 2020-05-06 Werner Wirth GmbH Steckverbinder, insbesondere für ein elektrofahrrad
PL3683893T3 (pl) * 2019-01-16 2022-12-19 Werner Wirth Gmbh Komponent elektryczny, sposób jego wytwarzania oraz struktura wsporcza
DE102020202979A1 (de) 2020-03-09 2021-09-09 Magna Mirrors Holding Gmbh Außenspiegelanordnung für Kraftfahrzeuge mit Beiklappantrieb, sowie Verfahren zur Montage und elektrischen Kontaktierung einer Außenspiegelanordnung mit Beiklappantrieb
EP4089851A1 (de) 2021-05-12 2022-11-16 Werner Wirth GmbH Steckersystem für ein elektrofahrrad
DE102021116996A1 (de) * 2021-07-01 2023-01-05 Amphenol Tuchel Industrial GmbH Steckverbinder mit Rahmen

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1329561A (en) * 1970-02-16 1973-09-12 Bunker Ramo Electrical two-part connectors
US4235499A (en) * 1978-07-21 1980-11-25 Maschinenfabrik Augsburg-Nurnberg, Aktiengesellschaft Plug connection for contact supports

Family Cites Families (7)

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Publication number Priority date Publication date Assignee Title
DE2835400C2 (de) * 1978-08-12 1983-03-24 kabelmetal electro GmbH, 3000 Hannover Steckvorrichtung zum Durchverbinden von zwei elektrischen Leitungen mit mindestens zwei Adern
US6648686B2 (en) * 2000-11-30 2003-11-18 Shimano Inc. Electrical connector
US20030032321A1 (en) * 2001-08-13 2003-02-13 Tyco Electronics Corporation Sealed connector
DE60110132T2 (de) * 2001-11-27 2006-03-02 Freni Brembo S.P.A., Curno Einrichtung zur befestigung eines elektrischen verbinders an den bremssattel einer scheibenbremse
TW200717950A (en) * 2005-10-28 2007-05-01 Shimano Kk Bicycle wiring connector apparatus
DE202008006640U1 (de) * 2008-05-09 2008-07-17 Elkatec-Kabeltechnik Gmbh & Co. Kg Vorrichtung zur Befestigung eines elektrischen Steckverbindungsteiles an einem Kastengehäuse
DE202013006110U1 (de) * 2013-07-05 2013-08-14 Hipo Systems Gmbh Wasser- und staubdichte Stecker-Buchsen-Einheit mit verschiedenen Kontaktgruppen für die elektrische Mobilität wie z.B Pedelecs und E-Bike's

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1329561A (en) * 1970-02-16 1973-09-12 Bunker Ramo Electrical two-part connectors
US4235499A (en) * 1978-07-21 1980-11-25 Maschinenfabrik Augsburg-Nurnberg, Aktiengesellschaft Plug connection for contact supports

Also Published As

Publication number Publication date
EP2978077A1 (de) 2016-01-27
ES2870723T3 (es) 2021-10-27
PL2978077T3 (pl) 2021-09-27
PT2978077T (pt) 2021-05-14

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