EP0315621B1 - Dispositif de commutation pour pièces mobiles dans la zone de déviation d'un aiguillage ferroviaire - Google Patents

Dispositif de commutation pour pièces mobiles dans la zone de déviation d'un aiguillage ferroviaire Download PDF

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Publication number
EP0315621B1
EP0315621B1 EP88890269A EP88890269A EP0315621B1 EP 0315621 B1 EP0315621 B1 EP 0315621B1 EP 88890269 A EP88890269 A EP 88890269A EP 88890269 A EP88890269 A EP 88890269A EP 0315621 B1 EP0315621 B1 EP 0315621B1
Authority
EP
European Patent Office
Prior art keywords
rails
rail
support
movable
support rod
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.)
Expired - Lifetime
Application number
EP88890269A
Other languages
German (de)
English (en)
Other versions
EP0315621A2 (fr
EP0315621A3 (en
Inventor
Gerald Durchschlag
Alfred Lang
Franz Dipl.-Ing. Rotter
Dieter Fritz
Heinz Kopilovitsch
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.)
Voestalpine Turnout Technology Zeltweg GmbH
Original Assignee
Voestalpine Weichensysteme 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
Priority claimed from AT0293187A external-priority patent/AT391500B/de
Priority claimed from AT227488A external-priority patent/AT400860B/de
Application filed by Voestalpine Weichensysteme GmbH filed Critical Voestalpine Weichensysteme GmbH
Publication of EP0315621A2 publication Critical patent/EP0315621A2/fr
Publication of EP0315621A3 publication Critical patent/EP0315621A3/de
Application granted granted Critical
Publication of EP0315621B1 publication Critical patent/EP0315621B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B7/00—Switches; Crossings
    • E01B7/02—Tongues; Associated constructions
    • E01B7/06—Constructions with flexible tongues or flexible fishplates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
    • B61L5/02—Mechanical devices for operating points or scotch-blocks, e.g. local manual control
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B7/00—Switches; Crossings
    • E01B7/02—Tongues; Associated constructions
    • E01B7/08—Other constructions of tongues, e.g. tilting about an axis parallel to the rail, movable tongue blocks or rails

Definitions

  • the invention relates to a switching device for moving parts of a rail switch in the deflection area of a switch, in particular tongue rails, monorail deflection devices or movable stock rails, in which the movable rails can be brought into contact with rigid parts of the switch, the movable rails running at the sleepers in the longitudinal direction of the rail or support plates are supported in their adjacent position support rods guided displaceably in the longitudinal direction of the rails.
  • the invention now aims to provide a switching device of the type mentioned for the moving parts of a rail switch in the deflection area of a switch, in particular for the tongue rails or movable stock rails, and in Especially for switches that can be driven through at high speed, with which it is possible in a simple manner to exactly maintain the desired curve radius during the changeover and at the same time to ensure safe tracking.
  • the changeover device according to the invention is also intended to reduce the outlay such as would have to be carried out in the case of a plurality of closures of conventional design and to substantially reduce the number of drives required, in particular in the region of the tongue rails which is long and displaceably mounted in order to achieve large radii of curvature.
  • the invention essentially consists in that the support rods are designed as actuators for the changeover and have thrust supports which cooperate with thrust supports of the movable rails for displacing the rails and that at least one of the interacting surfaces of the thrust supports of the rail and / or support rod is formed by a wedge surface which merges into a support surface which is essentially parallel to the longitudinal direction of the support rod and which support surface cooperates with the thrust support of the rail in the adjacent position of the rail.
  • the adjustment can be carried out by selecting the surfaces of the thrust supports that come into contact with one another in such a way that the adjustment is carried out on a plurality of partial regions of the movable rails lying alongside one another in the longitudinal direction of the rail is carried out while maintaining the required large radius of curvature, so that the Accessibility at high speed is ensured.
  • the support that occurs in the end position is ensured by the essentially parallel support surfaces that come into effect in the end position and, after running up, it becomes the one that adjoins the inclined surfaces
  • Rail longitudinal direction essentially parallel support surfaces ensures a defined adjustment path for the adjustment of the movable rails, and this even if, for example, due to temperature fluctuations, length changes in the support rod or the movable rail result. Such changes in length due to temperature fluctuations are particularly important because of the portion of the tongue rail of a high-speed switch that can be moved over a large rail length.
  • the design can advantageously be such that one of the two interacting thrust supports has a role.
  • the wedge surfaces themselves can be formed by flat wedge surfaces, it naturally being conceivable to design the wedge surfaces as curved surfaces, in particular as concave curved surfaces.
  • the design is advantageously made such that thrust supports of the support rod (s) and / arranged in the longitudinal direction or the movable rail parts have different heights and / or inclinations of the wedge surfaces.
  • three or even four turnout drives of conventional design would be required with such designs for high-speed turnouts, the coordination and interrelated control of which would be associated with a considerably higher expenditure and, at the same time, only in the case of temperature fluctuations and corresponding changes in length with corresponding play could attack the tongue rails.
  • each support rod and each rail have at least three thrust supports, whereby longer, movable rail sections can be shifted to a precisely defined extent and the desired curve radius can be set exactly.
  • the rails themselves can be connected to one another in a conventional manner by tie rods, so that the displacement of one of the movable rails in the direction of contact with a rigid switch part simultaneously displaces the opposite, movable rail while maintaining a predetermined distance from the opposite, rigid switch part.
  • separate support rods can be provided for each movable rail, the drive having to be out of phase in such a way that for the purpose of moving a rail in contact with a rigid switch part, the opposite rail to be lifted off the rigid switch part is first released from its locking position .
  • the design can also be realized in a particularly simple manner so that thrust supports are arranged on both sides of a support rod, the support surfaces of which are essentially parallel to the longitudinal direction of the support rod and are offset in the longitudinal direction of the support rod.
  • the design can be made in a particularly simple manner so that the thrust supports are attached Attack coupling members of mutually assigned movable rails.
  • the design can also be such that the thrust supports connected to a support rod have cranked strips which extend transversely to the longitudinal axis of the support rod and the strips of which extend towards and away from the thrust support Flanks with at least one counter-stop, in particular a roller, interact with the thrust support of the rail. Even with such a design, it is possible to make the simultaneous adjustment of two movable rails with only one support rod in such a way that one rail comes into contact with a rigid switch part and the other rail is lifted from such a system to rigid switch parts .
  • the safety and control devices required for the position control can be designed in a simple manner in such a way that the support rods with devices for detecting the position of the support rods, such as e.g. electromagnetic limit switches or inductive proximity switches.
  • the procedure according to the invention is such that the support rod (s) is (are) displaceably guided in guides connected to the sleepers or base plates and extending in the longitudinal direction of the rails, for example angle profiles, the angle profiles advantageously being welded to the base plates could be.
  • such angle profiles also serve to additionally absorb the transverse forces.
  • the design according to the invention is advantageously made such that the support rod (s) in the guides are (are) supported on rollers and / or resiliently.
  • a resilient support ensures in particular that, in the case of badly stuffed tracks and thus in the case of non-aligned upper edges of the sleepers, reliable guidance of the support rods is ensured even over great lengths.
  • FIG. 1 shows a changeover device according to the invention for the movable tongue rails of a switch
  • 2 shows another embodiment of a changeover device according to the invention for movable tongue rails of a switch
  • 3 shows a changeover device according to the invention for movable stock rails of a switch
  • 4 shows a first embodiment of a support rod with thrust supports arranged on both sides on an enlarged scale compared to the previous figures
  • FIG. 5 shows another embodiment of a double thrust support arrangement in a representation analogous to FIG.
  • Fig.1 are rigid and the like with thresholds not shown with the interposition of base plates or the like. fix screwed jaw rails with 1 and 2 and movable tongue rails with 3.
  • support rods 4 are provided, which are arranged in the longitudinal direction of the linearly running stock rail 1 and are guided in schematically indicated guides 5, for example fixed on sleepers.
  • Drives 6 are provided for actuating the support rods 4 for converting the tongue rails, which can be formed, for example, by electric lifting motors or hydraulic cylinders.
  • the support rods 4 have thrust supports 7, each of which has a wedge surface 8 which merges into a support surface 9 which is essentially parallel to the longitudinal direction of the support rods 4.
  • the thrust supports 7 interact with their wedge surfaces 8 or their support surfaces 9, which are essentially parallel to the support rods 4, with thrust supports 10 provided on the tongue rails 3.
  • the tongue rails are connected to one another via schematically indicated tongue connections 11.
  • tongue supports 12 between the stock rails 1 and 2 and the tongue rails 3 are also indicated.
  • the two support rods or thrust supports 4 are acted upon by the drives 6 in each case in the same direction, whereby to change the position shown in FIG. 1, a movement of the push rods 4 just formed and moving only in the longitudinal direction occurs the arrow 13 is indicated.
  • the secured position is first released by the push supports 10 of the tongue rail 3 resting against the stock rail 1 disengaging from the surfaces 9 running parallel to the push rod 4, whereupon the push rods are displaced further 4, in the direction of arrow 13, the wedge surfaces 8 of the thrust supports 7 assigned to the second tongue rail 3 engage with the thrust supports 10 of this tongue rail and, by means of the tongue connections 11, bring about a changeover of the switch.
  • the locking in the end position takes place in turn by the surfaces 9 resting on the thrust supports 10 in the end position of the push rods 4.
  • these are on the tongue rails 3 provided with the thrust supports 7 cooperating thrust supports 10 with different dimensions and the thrust supports 7 have differently inclined wedge surfaces 8 according to the curvature behavior of the tongue rails 3 and at different distances from the push rods 4 parallel support surfaces 9.
  • rollers can be provided in the area of the contact surface of the thrust supports 10, for example, wedge surface profiles deviating from a straight wedge surface 8 can also be selected for easy rolling of such rollers.
  • the thrust supports 10 can be designed to be chamfered at least over a partial area with an inclination designed in accordance with the thrust support interacting therewith.
  • support rods extending essentially in the longitudinal direction of the stock rail 1 are again provided, wherein in the embodiment shown in FIG. 2 these support rods are of split design and the parts of the support rods are designated by 14 and 15, respectively.
  • thrust supports 7 with wedge surfaces 8 and essentially parallel to the longitudinal direction of the support rods 14, 15 are provided support surfaces 9 which cooperate with thrust supports 10 for an adjustment and locking of the tongue rails in each case in a position in contact with the stock rails.
  • the drive in the embodiment according to FIG. 2 is shown schematically by an approximately central length of the entire support rods 14, 15 indicated engine 16 is formed, further gear 17 are indicated.
  • the conversion of the rotary movement of the motor to a purely translatory movement of the support rods 14, 15 takes place, for example, via toothed racks 18, by means of which the support rods 14, 15 are connected to one another.
  • FIGS. 1 and 2 other known drives can be provided, for example, instead of the drives 6 of FIG. 1, a common drive for a translational movement of the support rods 4 is conceivable, in which the support rods are coupled to one another. It is furthermore conceivable to use angle levers for transmitting an adjustment movement of a drive into a purely translatory movement of the support rods, these angle levers having suitable link guides or recesses in a manner known per se. This angle lever or the like on turntables. be provided, which are coupled, for example, to a conventional switching device for switches arranged transversely to the longitudinal direction of the rails.
  • FIG. 3 shows a changeover device for a monorail deflection device with a movable stock rail.
  • the movable sections of the stock rail are designated 19 and the rigid intermediate rails fixedly attached to sleepers or base plates, not shown, are designated 20 and 21, the intermediate rails 20 representing parts of the stock rails and the intermediate rails 21 as parts of the tongue rails in comparison with 1 and 2 can be seen.
  • Connection rails 22 are also shown.
  • the movable sections of the stock rails 19 are connected to one another via connecting rods 23 similar to the connecting rods 11 of FIGS. 1 and 2.
  • support rods 24 are again provided in the longitudinal direction, which are indicated schematically and again are guided and supported with 5 designated guides.
  • Electric lift motors or hydraulic cylinder-piston units 25 are again provided as the drive.
  • the support rods 24 in turn have thrust supports 7 with wedge surfaces 8 and support surfaces 9 running essentially parallel to the longitudinal direction of the support rods 24.
  • the thrust supports 10 of the movable parts of the stock rails 19 interacting with the thrust supports 7, like the individual thrust supports, are designed differently from one another in accordance with the curvature behavior of the stock rail 19.
  • stops 26 are further provided on the intermediate rails 22 and stops 27 on sleepers or base plates in a manner not shown.
  • the drives 25 are controlled so that first the lock achieved by the interaction of the thrust supports 10 with the support surfaces 9 is released, whereupon a shift of the support rods 24 by a cooperation of the wedge surfaces 8 with the thrust supports 10 Stock rails in the other end position.
  • large forces are transmitted to them, so that a correspondingly stable and massive design of the support rods 24 must be provided with a corresponding drive.
  • a tongue rail 28, which rests on a stock rail 29, is shown in an enlarged representation compared to the previous figures.
  • a thrust support 30 is connected, in which rollers 31 are mounted, which cooperate with thrust supports 32 of a support rod 33 that is movable only in the longitudinal direction of the rail.
  • the thrust supports 32 in turn have inclined wedge surfaces 34 and support surfaces 35 running essentially parallel to the longitudinal direction of the support rod 33.
  • the tongue rail is locked by the interaction of the support surface 35 facing the rail with a stop surface 36 provided in the plane of the roller 31.
  • the support rod 33 is opened or switched when the support rod 33 moves in the direction of arrow 37 first unlocking the abutting surfaces 35 and 36, whereupon the roller 31, which is more distant from the tongue rail 28, comes into engagement with the outer wedge surface 34 and thus pulls the tongue rail 28 away from the stock rail 29.
  • a plurality of thrust supports are arranged on the support rod 33 in the longitudinal direction analogous to the preceding figures. In such an embodiment of a double thrust support arrangement, a coupling of the tongue rails, as shown in FIGS.
  • the thrust support 30 shown in FIG. 4, which is connected to the tongue rail 28, is designed as a tongue connection, as was designated 11 in FIG. 1, for example.
  • the tongue rail 28 is again shown in contact with a stock rail 29 and connected to a thrust support 38.
  • the thrust support 38 has rollers 39 and 40, which in an extension 41 of the Thrust support 38 are mounted and encompass a bar 42 which is connected to a thrust support 43 connected to the support rod 33.
  • the strip 42 which extends, for example, outside the plane of the support rod 33, has a first wedge surface 44 which merges into a first support surface 45 which is essentially parallel to the longitudinal direction of the support rod 33 and with which the roller 39 interacts, and a second wedge surface or inclined surface 46, which merges into a second support surface 47.
  • a support rod with thrust supports can be dispensed with in the embodiment shown, in the event that such a thrust support is assigned to each tongue rail, on connecting rods or tie rods between the tongue rails.
  • changeover devices for a switch with support rods running in the longitudinal direction of the rails and only moving in translation is in accordance with the present invention particularly advantageous for turnouts with large bows, in which several closures of conventional design would have to be provided.
  • the changeover device according to the invention it can be found that the support rods associated with movable rails are adjusted and secured, and a targeted support and adjustment of the curvature of the movable parts of the switch by a desired number of appropriately designed thrust supports on these support rods, which are dimensioned accordingly Interact stops on the movable switch parts can be achieved in a simple manner.
  • the tongue is clamped between the thrust supports by means of the connecting rods each time with a suitable arrangement of the stops on the tongue rails, whereby twisting or twisting of the tongue rails is excluded and the correct installation of the tongue rails at every point and the exactness of the running edge course is always guaranteed.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Railway Tracks (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Control Of Vehicles With Linear Motors And Vehicles That Are Magnetically Levitated (AREA)
  • Near-Field Transmission Systems (AREA)
  • Platform Screen Doors And Railroad Systems (AREA)
  • Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
  • Image Input (AREA)
  • Pinball Game Machines (AREA)
  • Details Of Television Scanning (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Gear-Shifting Mechanisms (AREA)
  • Color Television Systems (AREA)
  • Vehicle Body Suspensions (AREA)
  • Toys (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Claims (10)

  1. Dispositif de commutation pour pièces mobiles (3,19,28) d'un aiguillage ferroviaire dans la zone de déviation d'un aiguillage, en particulier pour des pattes de lièvre, un dispositif de déviation à un rail ou des contre-aiguilles mobiles, dans lequel les rails mobiles peuvent être amenés en position contiguë sur des parties d'aiguillage fixes (1,2,20,21,29), les rails mobiles (3,19,28) s'appuyant dans leur position contiguë sur des barres d'appui (4,14,15,24,33) orientées dans le sens longitudinal des rails et guidées de manière coulissante dans le sens longitudinal des rails sur les longrines ou les plaques d'assise, caractérisé en ce que les barres d'appui sont conçues comme des organes de réglage pour la commutation et présentent des appuis de poussée (7,32,43) qui coopèrent avec des appuis de poussée (10,30,38) des rails mobiles (3,19,28) pour le déplacement des rails, et en ce que l'une au moins des surfaces coopérantes des appuis de poussée du rail et/ou de la barre d'appui est formée d'une surface conique (8,34,44,46) avec une transition vers une surface d'appui (9,35,45,47) sensiblement parallèle à l'axe longitudinal de la barre d'appui (4,14,15,24,33), cette surface d'appui coopérant dans la position contiguë des rails avec l'appui de poussée (10,30,38) du rail.
  2. Dispositif de commutation selon la revendication 1, caractérisé en ce que l'un des appuis de poussée (30,38) coopérant ensemble présente un galet (31,39,40).
  3. Dispositif de commutation selon la revendication 1 ou 2, caractérisé en ce que chaque barre d'appui (4,14,15,24) et chaque rail (3,19) présentent chacun au moins trois appuis de poussée (7).
  4. Dispositif de commutation selon la revendication 1, 2 ou 3, caractérisé en ce que des appuis de poussée (32), dont les surfaces d'appui (35) sensiblement parallèles au sens longitudinal de la barre d'appui (33) sont disposées de façon décalée dans le sens longitudinal de la barre d'appui, sont disposés des deux côtés de la barre d'appui.
  5. Dispositif de commutation selon la revendication 1, 2 ou 3, caractérisé en ce que les appuis de poussée (43) reliés avec la barre d'appui (33) présentent des bandes (42) coudées, s'étendant perpendiculairement à l'axe longitudinal de la barre d'appui, dont les flancs (44,46) orientés vers et à l'opposé de l'appui de poussée coopèrent avec au moins une contre-butée, en particulier un galet (39,40), de l'appui de poussée (38) du rail (28).
  6. Dispositif de commutation selon la revendication 4 ou 5, caractérisé en ce que les appuis de poussée (32,43) se mettent en prise sur des éléments d'accouplement de rails mobiles se correspondant les uns aux autres.
  7. Dispositif de commutation selon l'une quelconque des revendications 1 à 6, caractérisé en ce que les appuis de poussée (7,10,30,32,38,43) de la (des) barre(s) d'appui (4,14,15,24,33) et/ou des parties de rail mobiles (3,19,28) disposés dans le sens longitudinal présentent une hauteur et/ou une inclinaison des surfaces coniques (9,35,44,46) différentes.
  8. Dispositif de commutation selon l'une quelconque des revendications 1 à 7, caractérisé en ce qu'entre des appuis de poussée (7,10) d'une barre d'appui (4,14,15,24) et/ou d'un rail (3,19) des butées (27) sont disposées pour l'appui des rails mobiles (3,19) en position contiguë de parties de rail fixes (1,2,20,21), et se dégagent de la prise lors du coulissement des barres d'appui (4,14,15,24) dans leur sens longitudinal, le trajet de coulissement des rails mobiles (3,19) étant alors libéré.
  9. Dispositif de commutation selon l'une quelconque des revendications 1 à 8, caractérisé en ce que la ou les barres d'appui (4,14,5,24,33) sont guidées de manière coulissante dans des guides (5,48), notamment des cornières, reliés aux longrines ou aux plaques d'assise et s'étendant dans le sens longitudinal des rails.
  10. Dispositif de commutation selon la revendication 9, caractérisé en ce que la ou les barres d'appui (33) sont appuyées dans les guides (48) de manière coulissante et/ou élastique sur des galets (49,50).
EP88890269A 1987-11-05 1988-10-28 Dispositif de commutation pour pièces mobiles dans la zone de déviation d'un aiguillage ferroviaire Expired - Lifetime EP0315621B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
AT2931/87 1987-11-05
AT0293187A AT391500B (de) 1987-11-05 1987-11-05 Umstellvorrichtung fuer bewegliche teile einer schienenweiche
AT227488A AT400860B (de) 1988-09-16 1988-09-16 Umstellvorrichtung für bewegliche teile im ablenkungsbereich einer schienenweiche
AT2274/88 1988-09-16

Publications (3)

Publication Number Publication Date
EP0315621A2 EP0315621A2 (fr) 1989-05-10
EP0315621A3 EP0315621A3 (en) 1990-02-14
EP0315621B1 true EP0315621B1 (fr) 1992-12-23

Family

ID=25598099

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88890269A Expired - Lifetime EP0315621B1 (fr) 1987-11-05 1988-10-28 Dispositif de commutation pour pièces mobiles dans la zone de déviation d'un aiguillage ferroviaire

Country Status (11)

Country Link
US (1) US4927102A (fr)
EP (1) EP0315621B1 (fr)
AT (1) ATE83813T1 (fr)
DE (1) DE3876950D1 (fr)
DK (1) DK167668B1 (fr)
ES (1) ES2038343T3 (fr)
GR (1) GR3007432T3 (fr)
IN (1) IN170171B (fr)
NO (1) NO173251C (fr)
PL (1) PL159272B1 (fr)
YU (1) YU47827B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1242226B (it) * 1990-10-10 1994-03-03 Sasib Spa Dispositivo di manovra per deviatoi ferroviari, in particolare per linee ad alta velocita'
GB0420618D0 (en) * 2004-09-16 2004-10-20 Westinghouse Brake & Signal Point drive system
GB2435893B (en) * 2006-03-09 2011-03-23 Robert Windsor Simmons A railway switch
FR2930503B1 (fr) * 2008-04-29 2010-06-04 Alstom Transport Sa Aiguillage comprenant des moyens de commande electriques et manuels
SE539165C2 (en) * 2015-03-16 2017-05-02 Ve'rtex Sweden Ab Railway switch mechanism
GEP201706726B (en) * 2016-05-24 2017-08-25 Point switch
CN113049033A (zh) * 2021-03-11 2021-06-29 安徽理工大学 一种基于曲柄滑块机构的矿井下拨叉装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US528776A (en) * 1894-11-06 Railroad-frog
US770614A (en) * 1904-09-20 Moore
US29353A (en) * 1860-07-31 Ratchet-drill
FR341986A (fr) * 1903-07-21 1904-08-24 Richard St George St George Mo Perfectionnements dans les aiguillages de chemins de fer et de toutes voies ferrées
GB191123285A (en) * 1911-10-21 1912-04-18 Edward Wood Improvements in Means for Operating and Locking Railway and like Points or Switches.
US1269444A (en) * 1917-10-20 1918-06-11 Newton Hollingshed Switch.
US1371937A (en) * 1920-09-15 1921-03-15 James P Scartsaris Automatic railway-switch-operating mechanism
US1569141A (en) * 1924-07-29 1926-01-12 Rife William Harison Swinging-rail switch frog
US1827158A (en) * 1929-08-05 1931-10-13 Wilber E Mceldowney Swing-rail switch
DE1158538B (de) * 1960-08-16 1963-12-05 Krug & Co Heinrich Zungenweiche, bei der die Zungen in vertikaler Richtung verstellbar gelagert sind
AT328488B (de) * 1974-10-15 1976-03-25 Voest Ag Vignolschienenweiche
DE3623743A1 (de) * 1986-07-14 1988-01-21 Lautenschlaeger Kg Karl Ausziehfuehrung

Also Published As

Publication number Publication date
YU202188A (en) 1991-06-30
YU47827B (sr) 1996-01-09
DK617788D0 (da) 1988-11-04
GR3007432T3 (fr) 1993-07-30
DK617788A (da) 1989-05-06
NO173251C (no) 1993-11-17
US4927102A (en) 1990-05-22
PL275619A1 (en) 1989-07-10
NO173251B (no) 1993-08-09
ES2038343T3 (es) 1993-07-16
IN170171B (fr) 1992-02-22
EP0315621A2 (fr) 1989-05-10
EP0315621A3 (en) 1990-02-14
DK167668B1 (da) 1993-12-06
DE3876950D1 (de) 1993-02-04
NO884939L (no) 1989-05-08
ATE83813T1 (de) 1993-01-15
PL159272B1 (pl) 1992-12-31
NO884939D0 (no) 1988-11-04

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