EP1300315A1 - Kupplungsanordnung für Schienenfahrzeuge - Google Patents
Kupplungsanordnung für Schienenfahrzeuge Download PDFInfo
- Publication number
- EP1300315A1 EP1300315A1 EP02022168A EP02022168A EP1300315A1 EP 1300315 A1 EP1300315 A1 EP 1300315A1 EP 02022168 A EP02022168 A EP 02022168A EP 02022168 A EP02022168 A EP 02022168A EP 1300315 A1 EP1300315 A1 EP 1300315A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- coupling
- shut
- arrangement according
- coupling member
- head
- 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.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G5/00—Couplings for special purposes not otherwise provided for
- B61G5/06—Couplings for special purposes not otherwise provided for for, or combined with, couplings or connectors for fluid conduits or electric cables
- B61G5/08—Couplings for special purposes not otherwise provided for for, or combined with, couplings or connectors for fluid conduits or electric cables for fluid conduits
Definitions
- the invention relates to a coupling arrangement for rail vehicles according to the Preamble of claim 1.
- a coupling arrangement for rail vehicles is known from US 1,403,657, whose coupling head is provided with a two-part coupling surface.
- the rear one the coupling surface facing the rail vehicle runs transversely to Longitudinal center axis of the coupling head, while the front coupling surface an exposed and protruding hook-like headboard is arranged and runs obliquely to the longitudinal center axis of the coupling head.
- the rear one Coupling surface is provided with a recess into which the front, exposed one Head part of the counter clutch engages during the coupling process.
- the respective Coupling head is provided with a safety bracket, which locks the Head part of the counter coupling is used.
- a valve arrangement For pneumatic connection of the respective Supply line, a valve arrangement is provided, which with a is largely provided within the coupling head extending rod that the Coupling head protrudes at the end. Inside the coupling head is on the rod itself spring-loaded poppet valve arranged, which is the pneumatic connecting line blocked in the unloaded state. On the front is the respective stick from one built-in sealing ring surround. The two come during the coupling process Sealing rings lie against each other and the end of one rod meets the end of the other rod arranged in the counter coupling. This shifts the each rod back into the respective coupling head and opens that Poppet valve, which creates the pneumatic connecting lines of the two Coupling heads are interconnected.
- connection element By arranging the connection element within the coupling surface, realize a compact coupling head.
- the connecting element is damaged during the coupling process, will be described in the following proposed that the coupling member in the clutch-ready state of Coupling head is in the engaged rest position and / or with a one is provided with bevelled outer surface, on which the Coupling member during the coupling process from the counter clutch relative to Coupling surface is displaceable.
- Preferred embodiments of the clutch arrangement are in the dependent Claims 2 to 19 circumscribed.
- the coupling element is to be used after the mechanical coupling of the coupling head the mating clutch is moved pneumatically from the rest to the active position are, as described in a preferred embodiment, so for the pneumatic displacement of the coupling member, preferably directly Compressed air from the supply line is used.
- the largely shown schematically Coupling arrangement consists of a coupling head 1, which is connected to a pneumatic Supply line 2 is provided.
- a coupling head 1 Around the supply line 2 of the coupling head 1 to be able to connect to the supply line of the mating coupling (not shown), Various elements are provided, which will be discussed in more detail below becomes.
- both a Brake line understood as well as a conventional pneumatic feed line be, a coupling head of course with both of the above Supply lines can be provided.
- the two supply lines are preferably arranged one above the other. For the sake of simplicity, the following is however, only spoken of a pneumatic supply line. It it is understood that in the presence of two pneumatic supply lines preferably both with the elements detailed below are provided, or function according to the principle explained, possibly only a 3/2-way valve must be provided to control the corresponding elements.
- the coupling head 1 has an inclined coupling surface 3 on the coupling side, which are provided at the end with a side cheek 4 for receiving the counter-coupling is.
- oblique means that the coupling surface 3 encloses an angle with the longitudinal center axis L of the coupling head 1. in the Normally, the longitudinal center axis L of the coupling head 1 coincides with the Longitudinal center axis L of the rail vehicle (not shown) together.
- the Side cheek 4 opposite side is the coupling head 1 with a replaceable plastic plate 6 to form one of the coupling surface 3 provided upstream impact and sliding surface 7. This abutment and sliding surface 7 stands by the distance H from the coupling surface 3.
- the supply line 2 opens within the inclined coupling surface 3 from the Coupling head 1.
- a connecting element 9 is arranged, which is a coupling member 10 has.
- the coupling member 10 is with a central, with the supply line connected through opening 5 and pneumatically between an engaged rest position and a disengaged active position.
- the coupling member 10 is of a socket embedded in the coupling surface 3 11 surrounded.
- the socket 11 is with an annular shoulder 12 and that Coupling member 10 provided with an annular collar 13.
- a compression spring 14 clamped, which engages the coupling member 10 in the shown here Rest position presses.
- the coupling member 10 has a circumferential end Provide sealing lip 15.
- a Shut-off valve 17 is arranged, which for shutting off the supply line 2 in uncoupled state of the coupling head 1 is used.
- the pneumatic supply line is labeled 2.1 and then 2.2.
- the Shut-off valve 17 has a shut-off element 18 loaded by a spring 19, which, in the idle state, connects the supply line 2 to the shut-off device 18 adjusted valve seat 22 shuts off.
- the shut-off device 18 provided a circumferential collar 20.
- a locking member 16 For mechanical securing of mechanical Coupling elements (not shown), which during the coupling process on each engage the other coupling head (counter coupling) and the two coupling heads mechanically interconnect, a locking member 16 is provided.
- the Locking member 16 has three positions: one labeled A ready for coupling Position, a locking position B and a decoupled position C. At the end of the mechanical coupling process, the locking member 16 rotates in the B designated locking position. In this locking position B it secures Locking member 16 against the mechanical clutch mechanism unwanted loosening.
- a pneumatic one 3/2-way valve 23 for the pneumatic control of the coupling member 10 and of the check valve 17 is provided.
- This 3/2-way valve 23 is mechanically with such the locking member 16 coupled that it is in positions A and C of Locking member 16 is in the upper rest position (decoupling position), while it is in position B of the locking member 16 in the lower operative position (Clutch position) remains.
- a connecting line 24 leads from the ring channel 27 to the left input side of the 3/2-way valve 23, whereby the latter pneumatically with the in front of the shut-off device 18th lying right part 2.1 of the supply line 2 is connected.
- From the right Output side of the 3/2-way valve 23 leads a first outlet line 25 to the Rear of the collar 13 of the coupling member 10 and a second outlet line 26 on the front of the collar 20 arranged on the shut-off element 18.
- the shut-off element 18 of the shut-off valve 17 has a through hole 21, which pneumatically the inside of the shut-off member 18 with the front of the Shutoff 18 lying right part 2.1 of the supply line 2 connects.
- the back (inside) of the shut-off member 18 is in the right part 2.1 pressure prevailing in the connecting line and on the line with F3 designated area so loaded that the action of the spring 19 in the closed State of the shut-off device 18 is supported.
- the shut-off device 18 is with a further, pneumatically acted area F2, the latter such is dimensioned such that when the second surface F2 is pressurized via the Outlet line 26, the force acting on this further surface F2 at least by the Spring bias of the spring 19 is greater than that by pressurizing the supply line 2 force exerted on the first surface F2, so that the Shut-off device 18 can be moved pneumatically against the spring force.
- the pressure on the Front of the pressure on the back of the shut-off device 18 whereby the Shut-off device is suddenly moved to the open position.
- This design also causes only a small after opening the shut-off member 18 Pressure must act on the annular surface F2 so that the shut-off device 18 in the Open position persists.
- the pressure-effective area on the back of the collar 13 of the Coupling member 10 is designated F1.
- the pressure-effective area F1 on the collar 13 of the coupling member 10 or on the collar 20 of the shut-off member 18 is in relation dimensioned to the respective spring force such that first the coupling member 10 of the rest in the active position and only then the shut-off 18 from the shut-in the open position is moved. This can prevent the Connection line 2 is opened before this via the coupling member 10 with the Connection line of the counter coupling is connected.
- Coupling member 10 pneumatically at least by the vertical distance H between the abutment and sliding surface 7 and the coupling surface 3 via the coupling surface 3 slidable.
- This can ensure that even then pneumatic connection between the coupling member 10 of this side Connection line 2 and the coupling member of the connection line of the counter-coupling comes about when only the coupling element 10 on this side of the rest in the Active position is shifted.
- This is the case, for example, if only one, this side, clutch assembly is supplied with compressed air, as follows is explained in more detail.
- FIG. 2 there is the coupling head 1 on this side as well as the one Mating clutch 1a, of which only the area around the coupling member 10a is shown, in the initial state, i.e. in the dome-ready position.
- the locking member 16 is in the Dome-ready position A and the associated 3/2-way valve 23 in the upper rest position, in which the two outgoing lines 25, 26 to Atmosphere are open, while the connecting line 24 within the valve 23rd Is blocked.
- the clutch member 10 is in the engaged idle state, so that it is not of the counter coupling 1a carrying out a relative movement is damaged.
- the shut-off device 18 takes the supply line 2 blocking hibernation.
- Fig. 3 shows the state after the two coupling heads mechanically together were coupled.
- the locking member 16 is in the Locking position B and the valve 23 was from the upper rest to the lower Active position switched in which the two outgoing lines 25, 26 via the valve 23 are pressurized with compressed air.
- the covenant of the Coupling member 10 is pressurized with compressed air, whereby the coupling member 10 pneumatically moved forward into the active position shown.
- the two coupling members 10, 10a a connection between the Supply lines 2, 2a. It is understood that in the counter clutch 1a the same process takes place by the coupling member 10a also forward in the Active position is moved so that the two coupling members 10, 10a finally hit approximately in the middle between the two clutches, as in the present case is shown.
- FIGS. 8 to 10 show different phases during the coupling process, in contrast to the coupling process explained at the beginning, only the right, on this side, the two coupling heads 1, 1a to be coupled are supplied with compressed air.
- the basic difference from the example shown in FIGS. 2 to 4 is in that in this case the coupling member 10 of the right coupling head 1 about twice the amount has to be moved so that a connection between the two supply lines 2, 2a comes about because the coupling member 10a of the left coupling head 1a remains in the rest position. This state is shown in FIG. 9 and 10. After the right coupling member 10 on the coupling member 10a of the mating coupling 1a, the shut-off device 18 moves in the this side coupling head 1 from shut-off in the open position, which now the Supply line 2a in the counter coupling 1a is also supplied with compressed air and their pressure rises.
- FIG. 13 shows a coupling head with an alternative embodiment of a Coupling member 29, the connecting element in turn with the reference number 9 is provided.
- the coupling member 29 is provided with a head part 30, the one has beveled outer surface 8.
- the lateral surface 8 closes with the Longitudinal central axis 34 of the coupling member 29 an angle a of more than 45 °.
- the coupling member 29 By biasing a spring 31, the coupling member 29 is in here shown, disengaged rest position, in which the head part 30 the Coupling surface 3 protrudes by at least the distance H.
- the coupling member 29 is can be moved transversely to the coupling surface 3 against the spring force.
- the basic one Difference from that previously explained with reference to FIGS. 1 to 12 Coupling member 10 is that the coupling member 29 shown here for one has a disengaged rest position and the other not pneumatically from the rest position is moved into the active position. Rather, the coupling member 29 a disengaged rest position.
- the coupling member 29 at Coupling process on the beveled outer surface 8 by the counter-coupling 1b shifted relative to the coupling surface 3.
- the coupling member is also in this case with a central Through opening 32 and a front side comprising the through opening 32 arranged seal 33 provided. Possibly. can with this variant on the in the Pneumatic line arranged shutoff valve 17 can also be dispensed with.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
- Platform Screen Doors And Railroad Systems (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
Description
- Fig. 1
- einen Längsschnitt durch ein erstes Ausführungsbeispiel eines Kupplungskopfs einer Kupplungsanordnung;
- Fig. 2 bis 4
- den Kupplungskopf gemäss Fig. 1 zusammen mit einem Teil der Gegenkupplung in verschiedenen Phasen während des Kupplungsvorgangs, wobei beide Kupplungsköpfe mit Druckluft versorgt sind;
- Fig. 5 bis 7
- den Kupplungskopf gemäss Fig. 1 zusammen mit einem Teil der Gegenkupplung in verschiedenen Phasen während des Entkupplungsvorgangs;
- Fig. 8 bis 10
- den Kupplungskopf gemäss Fig. 1 zusammen mit einem Teil der Gegenkupplung in verschiedenen Phasen während des Kupplungsvorgangs, wobei nur der eine Kupplungskopf mit Druckluft versorgt ist;
- Fig. 11 und 12
- ein ungewolltes Trennen der Kupplungsköpfe, und
- Fig. 13
- einen Kupplungskopf mit einem alternativen Ausführungsbeispiel eines Kupplungsorgans.
- kompakter Aufbau des Kupplungskopfs;
- keine separate Energiezufuhr zum Kuppeln der Versorgungsleitungen notwendig; ggf. wird die pneumatische Energie der Druckluft zum Bewegen der die Verbindung zwischen den pneumatischen Versorgungsleitungen herstellenden Kupplungsorgane verwendet;
- einfache, sichere und zuverlässige Funktionsweise;
- ein sicheres Kuppeln ist auch dann gewährleistet, wenn nur der eine der beiden zu verbindenden Kupplungsköpfe mit Druckluft versorgt ist;
- im Falle einer ungewollten Trennung wird eine Notbremsung eingeleitet;
- Beim Ausführungsbeispiel gemäss Fig. 1 ist im entkuppelten Zustand (Hebel 16 in Position C) die pneumatische Leitung zwischen den beiden Fahrzeugen physikalisch getrennt, auch wenn die Kupplungsköpfe noch aneinander anliegen. Dies wird dadurch erreicht, dass das Kupplungsorgan 10 nach dem Lösen der mechanischen Kupplung pneumatisch entlastet wird und sich durch die Federvorspannung in die eingerückte Ruhestellung bewegt, so dass ein ungewolltes pneumatisches "Auffüllen" des Gegenfahrzeugs nicht möglich ist.
Claims (19)
- Kupplungsanordnung für Schienenfahrzeuge, mit einem mit einer schräg verlaufenden Kupplungsfläche (3) versehenen Kupplungskopf (1), der mit zumindest einer pneumatischen Versorgungsleitung (2) versehen ist, die beim Kupplungsvorgang mit der pneumatischen Versorgungsleitung der Gegenkupplung (1a) zu verbinden ist, dadurch gekennzeichnet, dass die Versorgungsleitung (2) mit einem innerhalb der Kupplungsfläche (3) angeordneten Anschlusselement (9) versehen ist, welches ein zwischen einer Ruhestellung und einer Wirkstellung bewegbares Kupplungsorgan (10, 29) aufweist, wobei sich das Kupplungsorgan (10) im kupplungsbereiten Zustand des Kupplungskopfs (1) in einer eingerückten Ruhestellung befindet und/oder mit einem eine abgeschrägte Mantelfläche (8) aufweisenden Kopfteil (30) versehen ist, an welcher das ausgerückte Kupplungsorgan (29) beim Kupplungsvorgang von der Gegenkupplung (1a) relativ zur Kupplungsfläche (3) verschiebbar ist.
- Kupplungsanordnung nach Anspruch 1, dadurch gekennzeichnet, dass das Kupplungsorgan (10, 29) eine zentrale, mit der Versorgungsleitung verbundene Durchgangsöffnung (5, 32) aufweist und auf seiner Vorderseite mit einer die Durchgangsöffnung (5, 32) umfassenden Dichtung (15, 33) versehen ist.
- Kupplungsanordnung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Kupplungsorgan (29) quer zur Kupplungsfläche (3) verschiebbar ist und mit einem eine abgeschrägte Mantelfläche (8) aufweisenden Kopfteil (30) versehen ist, welche Mantelfläche (8) mit der Längsmittenachse (34) des Kupplungsorgans (29) einen Winkel (a) von mehr als 45° einschliesst.
- Kupplungsanordnung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Kupplungsorgan (29) mittels einer Feder (31) belastet ist, welche das Kupplungsorgan (29) in eine ausgerückte Ruhestellung zu drücken bestimmt ist, wobei das Kupplungsorgan (29) beim Kupplungsvorgang von der Gegenkupplung (1b) entgegen der Federkraft von der ausgerückten Ruhe- in eine eingerückte Wirkstellung verschiebbar ist.
- Kupplungsanordnung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass das Kupplungsorgan (10) mittels einer Feder (14) belastet ist, welche das Kupplungsorgan (10) in eine eingerückte Ruhestellung zu drücken bestimmt ist, und dass das Kupplungsorgan (10) nach der mechanischen Kupplung des Kupplungskopfs (1) mit der Gegenkupplung (1a) entgegen der Federkraft pneumatisch von der eingerückten Ruhe- in die ausgerückte Wirkstellung verschoben wird.
- Kupplungsanordnung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass das Kupplungsorgan (10) mittels einer Feder (14) belastet ist, welche das Kupplungsorgan (10) im Ruhezustand in eine eingerückte Stellung zu drücken bestimmt ist.
- Kupplungsanordnung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass in der pneumatischen Versorgungsleitung (2) ein Absperrventil (17) angeordnet ist, welches mit einem die Versorgungsleitung (2) im ungekuppelten Zustand des Kupplungskopfs (1) absperrenden Absperrorgan (18) versehen ist.
- Kupplungsanordnung nach Anspruch 7, dadurch gekennzeichnet, dass Steuermittel (23) zur pneumatischen Betätigung des Absperrventils (17) vorgesehen sind, welche Steuermittel (23) von einem das Ende des Kupplungsvorgangs signalisierenden Verriegelungsorgan (16) derart betätigbar sind, dass das Absperrorgan (18) nach der erfolgten mechanischen Kupplung des Kupplungskopfs (1) mit der Gegenkupplung (1a) pneumatisch von der Absperr- in die Offenstellung verschiebbar ist.
- Kupplungsanordnung nach Anspruch 7 oder 8, dadurch gekennzeichnet, dass das Absperrorgan (18) des Absperrventils (17) mittels einer Feder (19) in Schliessrichtung belastet ist.
- Kupplungsanordnung nach Anspruch 9, dadurch gekennzeichnet, dass das Absperrorgan (18) des Absperrventils (17) mit einer ersten, pneumatisch beaufschlagbaren, das Absperrorgan (18) im geschlossenen Zustand in Schliessrichtung belastenden Fläche (F3) versehen ist, und dass das Absperrorgan (18) mit einer zweiten, pneumatisch beaufschlagbaren, das Absperrorgan (18) entgegen der Schliessrichtung belastenden Fläche (F2) versehen ist, welche letztere derart dimensioniert ist, dass bei der Druckbeaufschlagung der zweiten Fläche (F2) über die Versorgungsleitung (2), die auf die zweite Fläche (F2) einwirkende Kraft zumindest um die Federvorspannung der Feder (19) grösser ist, als die durch Druckbeaufschlagung über die Versorgungsleitung (2) auf die erste Fläche (F2) ausgeübte Kraft, so dass das Absperrorgan (18) pneumatisch entgegen der Federkraft verschiebbar ist.
- Kupplungsanordnung nach Anspruch 7, dadurch gekennzeichnet, dass gemeinsame Steuermittel (23) zur pneumatischen Betätigung des Kupplungsorgans (10) und des Absperrorgans (18) vorgesehen sind.
- Kupplungsanordnung nach Anspruch 7 oder 11, dadurch gekennzeichnet, dass das Absperrorgan (18) gegenüber dem Kupplungsorgan (10) verzögert von der Ruhe- in die Wirkstellung verschoben wird.
- Kupplungsanordnung nach Anspruch 7 oder 11, dadurch gekennzeichnet, dass das Kupplungsorgan (10) gegenüber dem Absperrorgan (18) verzögert von der Wirk- in die Ruhestellung verschoben wird.
- Kupplungsanordnung nach einem der Ansprüche 11 bis 13, dadurch gekennzeichnet, dass das jeweilige Verhältnis zwischen der druckbeaufschlagbaren Fläche (F1, F2) und der Federvorspannung beim Kupplungsorgan (10) grösser ist als beim Absperrorgan (18), so dass das Kupplungsorgan (10) vor dem Absperrorgan (17) von der Ruhe- in die Wirkstellung bzw. von der Absperr- in die Offenstellung verschoben wird.
- Kupplungsanordnung nach einem der Ansprüche 11 bis 13, dadurch gekennzeichnet, dass das jeweilige Verhältnis zwischen der druckbeaufschlagbaren Fläche (F1, F2) und der Federvorspannung beim Kupplungsorgan (10) grösser ist als beim Absperrorgan (18), so dass das Absperrorgan (17) vor dem Kupplungsorgan (10) von der Wirk- in die Ruhestellung bzw. von der Offen- in die Absperrstellung verschoben wird.
- Kupplungsanordnung nach Anspruch 11, dadurch gekennzeichnet, dass die Steuermittel ein 3/2-Wege-Ventil (23) zur pneumatischen Betätigung des Kupplungsorgans (10) sowie des Absperrorgans (18) umfassen.
- Kupplungsanordnung nach Anspruch 11 oder 16, dadurch gekennzeichnet, dass die pneumatischen Steuermittel (23) von der Anschlussleitung (2) gespeist werden.
- Kupplungsanordnung nach einem der Ansprüche 7 bis 10, dadurch gekennzeichnet, dass die Versorgungsleitung (2) im Kupplungskopf (1) abgewinkelt ausgeführt ist und einen Ventilsitz (22) bildet, an dem sich das Absperrorgan (18) in der Absperrstellung anlegt.
- Kupplungsanordnung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Kupplungskopf (1) eine der Kupplungsfläche (3) vorgelagerte Stoss- und Gleitfläche (7) aufweist und das Kupplungsorgan (10) pneumatisch oder durch die Vorspannung der Feder mindestens um den senkrechten Abstand (H) zwischen der Stoss- und Gleitfläche (7) und der Kupplungsfläche (3) über die Kupplungsfläche (3) hinaus verschiebbar ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH18272001 | 2001-10-04 | ||
CH18272001 | 2001-10-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1300315A1 true EP1300315A1 (de) | 2003-04-09 |
EP1300315B1 EP1300315B1 (de) | 2007-01-03 |
Family
ID=4566405
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02022168A Expired - Lifetime EP1300315B1 (de) | 2001-10-04 | 2002-10-03 | Kupplungsanordnung für Schienenfahrzeuge |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1300315B1 (de) |
AT (1) | ATE350260T1 (de) |
DE (1) | DE50209143D1 (de) |
ES (1) | ES2276879T3 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1800987A1 (de) * | 2005-12-23 | 2007-06-27 | Schwab Verkehrstechnik AG | Mittlelpufferkuplung für Schienenfahrzeuge |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1403657A (en) | 1919-08-13 | 1922-01-17 | Herbert E Van Dorn | Combined car and air coupling |
-
2002
- 2002-10-03 EP EP02022168A patent/EP1300315B1/de not_active Expired - Lifetime
- 2002-10-03 ES ES02022168T patent/ES2276879T3/es not_active Expired - Lifetime
- 2002-10-03 AT AT02022168T patent/ATE350260T1/de not_active IP Right Cessation
- 2002-10-03 DE DE50209143T patent/DE50209143D1/de not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1403657A (en) | 1919-08-13 | 1922-01-17 | Herbert E Van Dorn | Combined car and air coupling |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1800987A1 (de) * | 2005-12-23 | 2007-06-27 | Schwab Verkehrstechnik AG | Mittlelpufferkuplung für Schienenfahrzeuge |
Also Published As
Publication number | Publication date |
---|---|
ATE350260T1 (de) | 2007-01-15 |
EP1300315B1 (de) | 2007-01-03 |
ES2276879T3 (es) | 2007-07-01 |
DE50209143D1 (de) | 2007-02-15 |
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