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US20110068185A1 - System for Fastening a Rail to a fixed Bottom Support, and Fastener for a Rail - Google Patents

System for Fastening a Rail to a fixed Bottom Support, and Fastener for a Rail Download PDF

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Publication number
US20110068185A1
US20110068185A1 US12/607,599 US60759909A US2011068185A1 US 20110068185 A1 US20110068185 A1 US 20110068185A1 US 60759909 A US60759909 A US 60759909A US 2011068185 A1 US2011068185 A1 US 2011068185A1
Authority
US
United States
Prior art keywords
base plate
sleeve
rail
intermediate layer
opening
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.)
Abandoned
Application number
US12/607,599
Other languages
English (en)
Inventor
Winfried Bösterling
Lutz Rademacher
Adrian Bednarczyk
André Hunold
Michael Harraß
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.)
Vossloh Werke GmbH
Original Assignee
Vossloh Werke 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 Vossloh Werke GmbH filed Critical Vossloh Werke GmbH
Assigned to VOSSLOH-WERKE GMBH reassignment VOSSLOH-WERKE GMBH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BEDNARCZYK, ADRIAN, BOSTERLING, WINFRIED, HARRASS, MICHAEL, HUNOLD, ANDRE, RADEMACHER, LUTZ
Publication of US20110068185A1 publication Critical patent/US20110068185A1/en
Priority to US13/272,591 priority Critical patent/US20120031991A1/en
Abandoned 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
    • E01B9/00—Fastening rails on sleepers, or the like
    • E01B9/38—Indirect fastening of rails by using tie-plates or chairs; Fastening of rails on the tie-plates or in the chairs
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B9/00—Fastening rails on sleepers, or the like
    • E01B9/38—Indirect fastening of rails by using tie-plates or chairs; Fastening of rails on the tie-plates or in the chairs
    • E01B9/44—Fastening the rail on the tie-plate
    • E01B9/46—Fastening the rail on the tie-plate by clamps
    • E01B9/48—Fastening the rail on the tie-plate by clamps by resilient steel clips
    • E01B9/483—Fastening the rail on the tie-plate by clamps by resilient steel clips the clip being a shaped bar
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B9/00—Fastening rails on sleepers, or the like
    • E01B9/38—Indirect fastening of rails by using tie-plates or chairs; Fastening of rails on the tie-plates or in the chairs
    • E01B9/40—Tie-plates for flat-bottom rails
    • E01B9/42—Tie-plates for flat-bottom rails of two or more parts

Definitions

  • the invention relates to a system for fastening a rail to a fixed bottom support which is typically formed by a concrete sleeper or a concrete slab.
  • a system for fastening a rail to a fixed bottom support which is typically formed by a concrete sleeper or a concrete slab.
  • Such systems are intended to be inexpensive to manufacture, to be able to be installed easily and at the same time to function safely and reliably for as long a time as possible.
  • a rail fastening system offered under the name “ECF” in which the rail stands on the supporting surface of a base plate made of steel. At its longitudinal sides which are aligned in the longitudinal direction of the rail which is to be fastened in place, the supporting surface is bounded by respective ribs against which the foot of the rail is guided laterally when in the fully installed state.
  • the rib also acts as a mounting for a clamping bolt whose head seats by positive-fit in a receptacle formed or moulded in the rib and whose shank passes through the central loop of a W-shaped clamping clip in the direction pointing away from the upper side of the base plate.
  • the clamping clip is then braced against the base plate in such a way that a sufficiently high hold-down force is exerted on the given side of the foot of the rail by the free ends of the resilient arms of the clamping clip.
  • a rail fastener formed by the ECF system has an adequate ability to yield when a railway vehicle travels over it by an elastic intermediate layer, which intermediate layer is arranged between the base plate and a carrier plate which rests on whatever is the solid support in the given case.
  • the eccentric sleeve has, in this case, a projection in the form of a collar which extends round the circumferential face of the sleeve and which rests on the upper face of the base plate in the installed position.
  • the heightwise distance left between the underside of the projecting collar and that end of the eccentric sleeve which is at the bottom in the installed position is of a size such that the sleeve stands on the carrier plate in the fully installed state.
  • Inserted through the opening for the eccentric sleeve in this case is a bolt which is screwed into an anchor inset into the fixed bottom support and which thus creates an axis of rotation for the sleeve.
  • the position of the base plate, and with it the rail standing on it can be shifted in a direction at right angles to the longitudinal extent of the rail by turning the eccentric sleeve, in order to adjust the position of the rail to the track gauge required.
  • base plates of this kind be made from plastics material.
  • An example of a base plate of this kind is disclosed in EP 1 950 347 A2.
  • the base plate described therein has, on its underside which is associated with the fixed bottom support, a stiffening structure which is formed by intersecting ribs which between them define respective unfilled recesses.
  • a receptacle which is formed or moulded in the underside of the base plate and which is likewise of a hexagonal form and in which the head of the bolt is seated with positive-fit in the fully installed state.
  • the base plate known from EP 1 950 347 A2 which is composed of plastics material, is intended to be laid down directly on whatever is the fixed bottom support in the given case.
  • the known base plate is provided at each of its narrow sides with three through-openings through each of which a fastening bolt which can be screwed into the solid bottom support is inserted. No provision is made in this case either for any adjustment of the track gauge or for the rail to be elastically mounted.
  • the object of the invention was to provide a system for fastening a rail in place and a rail fastener which, while being simple to install, would allow a large measure of freedom in the production of the components required and at the same time have great practical utility.
  • this object has been achieved by a system formed as defined in claim 1 for fastening a rail to a fixed bottom support and by a fastener for a rail which is produced by using a system according to the invention.
  • Advantageous embodiments of a system according to the invention are specified in the claims which are referred back to claim 1 and they will be explained in what follows.
  • a rail fastening system therefore comprises a base plate produced from a plastics material.
  • Producing the base plate from plastics material on the one hand achieves an appreciable saving in weight in comparison with the known base plates made of steel or cast iron.
  • the use of plastics material is a simple way of enabling shapes to be formed on the base plate which cannot be reproduced in steel or similar materials.
  • a carrier plate which is to be arranged between the intermediate layer and the fixed bottom support. This can if required be made of comparably thin steel sheet or of a sufficiently strong plastics material.
  • a system according to the invention also includes a resilient member which, in a known manner, applies the resilient force required to hold down the rail which is to be fastened in place.
  • a clamping bolt to brace the resilient member to the base plate.
  • the system according to the invention also comprises at least one fastening member for fastening the base plate to the fixed bottom support, at least two or four such fastening members usually being required to anchor a rail fastening formed in accordance with the invention safely and securely to whatever is the fixed bottom support in the given case.
  • the hold-down sleeve inserted in the opening for the sleeve does in this embodiment, in a way comparable to the prior art explained above, is to cause the base plate to be loaded only by a preset maximum force. This is a safe and certain way of preventing the base plate made of plastics material from being damaged by errors at the time of installation.
  • the sleeve also ensures that the elastic intermediate layer is only compressed by the fastening member so far as is required to give it a secure and reliable grip. In this way, the elasticity which the elastic intermediate layer is required to provide is reliably available even in the fully installed state.
  • the sliding fit which the sleeve has in its associated opening in the base plate ensures in this case that the base plate is able to follow unhindered any compression or expansion of the intermediate layer which occurs as a result of the loads applied when travel takes place over it.
  • a system according to the invention is just as suitable as the prior art for an adjustment of track gauge performed with the help of an eccentric sleeve.
  • the hold-down sleeve may take the form of an eccentric sleeve.
  • markers for indexing which are arranged at a spacing from one another such that, allowing for the eccentricity of the axis of rotation of the eccentric sleeve from the central longitudinal axis of the opening for the sleeve, the markers for indexing define positions in rotation of the eccentric sleeve if the eccentric sleeve is adjusted in rotation about its axis of rotation in the opening for the sleeve, which positions in rotation correspond to a step-by-step change in the position of the base plate by a defined amount.
  • the hold-down sleeve has a shaped member compatible with the markers for indexing in the opening for the sleeve by means of which shaped member the hold-down sleeve inserted in the opening for a sleeve associated with the said hold-down sleeve is coupled by positive-fit to a given one of the markers for indexing in the opening for the sleeve, the position of the base plate can be adjusted without any problems in a way which is easy to follow for the installer in such a way that an adjustment of the track gauge to an ideally correct size is obtained without any burdensome measurements.
  • the indexable locking of the eccentric sleeve to the base plate which fixes the given position in rotation of the eccentric sleeve may be performed by means of a shaped member formed on the eccentric sleeve which is compatible with the shape of the marker for indexing.
  • the markers for indexing may be formed or moulded in the form of recesses into the edge region of the upper side of the base plate, which edge region surrounds the opening for the sleeve.
  • eccentric sleeve takes the form of a hold-down sleeve which carries on its circumferential surface a projection which bears against the upper side of the base plate in the fully installed state.
  • fixing which is particularly secure and safe against wear is obtained when the markers for indexing are formed or moulded in the circumferential wall of the opening for the sleeve.
  • the markers for indexing may take the form of recesses in groove form.
  • the markers for indexing may be arranged in a given pattern which is helpful in the given application. In this way, it may be useful under certain circumstances for the size of the stepped change in place from one marker for indexing to the next to increase following a given function, which size is fixed by the distance between two markers for indexing.
  • adjustability which is versatile and particularly easy for the installer to follow is obtained if the angular intervals between mutually adjacent markers for indexing are each sized in such a way that each adjustment in rotation of the eccentric sleeve seated in the opening for the sleeve involves a change of unvarying size in the position of the base plate.
  • one of the markers for indexing is defined as the “zero position” which forms the starting point for the change in the position of the base plate when a fastener for a rail which is formed using the base plate is being installed.
  • the filling in the form of the filling material can always be introduced into the given depression in a separate stage of operations, such for example as after the production of the base plate.
  • the filling material may be injected into the depressions in a flowable state or may be inserted as a pre-manufactured shaped member.
  • plastics material for the production of the base plate is for example glass-fibre reinforced polyamide.
  • filling material is unreinforced polyamide.
  • Excessive compression of the elastic intermediate layer when under load may also be prevented by forming on the underside of the base plate, at the underside thereof, at least one projection which points away from the underside and which acts as a stop and by which, when the system is fully installed, a limit is set for the travel by which the base plate sinks, as a result of the elasticity of the elastic intermediate layer, when a railway vehicle travels over the rail.
  • the projection concerned may extend round the base plate in this case after the fashion of an apron which projects towards whatever is the fixed bottom support in the given case, thus ensuring that there is on all sides a stop for the sinking movement of the base plate regardless of the movement which it makes in the given case.
  • a surrounding projection of this kind has the additional advantage that it protects the elastic intermediate layer against fouling and moisture.
  • a separate projection to be provided for the same purpose at each of given points.
  • a projection formed on the base plate may also be performed by a projection formed on the carrier plate which, when the carrier plate is in the installed state, points towards the base plate and by which, when the system is fully installed, a limit is set for the travel by which the base plate sinks, as a result of the elasticity of the elastic intermediate layer, when a railway vehicle travels over the rail.
  • the projection on the carrier plate may, if suitably configured, form a receptacle for the elastic intermediate layer. This is particularly true if the projection concerned extends along the edge of the intermediate layer for at least a sufficient proportion of the circumference of the latter or if an adequate number of separate projections which fix the position of the intermediate layer are arranged on the carrier plate.
  • the bracing of the resilient member which is required in each case to hold down the rail may also be accomplished, in a system according to the invention, by forming or moulding in the base plate a through-opening which runs from the upper side of the base plate to its underside and through which the clamping bolt can be inserted from the underside.
  • a receptacle may also be formed or moulded in the underside of a base plate designed in accordance with the invention in the region of the mouth of the through-opening, in which receptacle the polygonal, and in particular hexagonal, head of the clamping bolt is seated in the fully installed state.
  • the invention proposes, in a further embodiment which is important from the practical point of view, that each side-face of the bolt head have associated with it a face for contact which is formed on the circumferential wall of the receptacle.
  • This face for contact extends in this case for part of the length of whichever is the associated side-face of the bolt head, thus enabling the relevant side-faces of the bolt head each to have, in the installed state, planar support from the faces for contact respectively associated with them.
  • the faces for contact on the circumferential wall are arranged, in this embodiment of the invention, to be spaced apart from one another, thus enabling there to be formed or moulded in the circumferential wall of the receptacle, between each pair of adjacent faces for contact, a recess in the region of which there is no contact between the bolt head and the circumferential wall of the receptacle in the fully installed state.
  • What is achieved by a design of this kind for the receptacle is that even under a torque load there is, between the sections of the receptacle which receive the load, planar contact by which the forces to be received are transmitted into the sections of the base plate surrounding the receptacle over a comparably large area.
  • the base plate which is provided in a system according to the invention may have on its upper side a supporting surface for the rail which is to be fastened in place, which supporting surface is bounded by respective supporting shoulders at its longitudinal sides which are aligned in the longitudinal direction of the rail which is to be fastened in place.
  • at least one adapter piece may be provided to bridge the gap which exists in the installed state between the foot of the rail which is to be fastened in place and the given supporting shoulder.
  • a shaped member may be provided on the base plate which, in combination with a complementary shaped member formed on the adapter piece, ensures that the adapter piece has a positive-fit grip on the base plate.
  • an elastic intermediate layer may be applied to the supporting surface which is present on the base plate.
  • a layer of an elastic moulding material may for example be sprayed onto the supporting surface.
  • the weight of the base plate can be achieved by giving the base plate, when seen in plan, a constriction in the region of the supporting surface.
  • the width of the base plate when measured in the longitudinal direction of the rail, is greater in the portions thereof which project beyond the rail laterally in the installed position than in the region which is situated underneath the foot of the rail. In this way, not only is extra weight saved but the wider lateral portions also contribute to providing optimised support for the rail against the transverse forces which act when travel takes place over the system.
  • the installation of the system according to the invention can be simplified by providing at least one clip which, for installation, holds together in a pre-assembled position a pack made up of the base plate, the intermediate layer situated below it and the carrier plate situated below the intermediate layer.
  • FIG. 1 is an exploded view of a system for fastening a rail in place.
  • FIG. 2 is a plan view of the system in the fully installed position.
  • FIG. 3 is a view of the system from one side, in the fully installed position, looking in the longitudinal direction of the rail.
  • FIG. 4 is a perspective view of the system from one side in the fully installed position.
  • FIG. 5 is a perspective view from above of a base plate and associated eccentric sleeves.
  • FIG. 6 is a perspective view from below of the base plate having eccentric sleeves inserted in it.
  • FIG. 7 is a perspective view of an eccentric sleeve.
  • FIG. 8 is a perspective view from below showing a first enlarged detail of the base plate.
  • FIG. 9 is a perspective view from below showing a second enlarged detail of the base plate.
  • the system 1 for fastening a rail S to a fixed bottom support 2 which is formed in the present case by a concrete sleeper (not shown) comprises a base plate 3 made of a plastics material, an intermediate layer 4 made of an elastically yielding material which is to be arranged below the base plate 3 , a carrier plate 5 which is to be arranged, below the intermediate layer 4 , on the fixed bottom support 2 , four eccentric sleeves 6 a , 6 b , 6 c , 6 d which have associated with them respective fastening bolts 7 a , 7 b , 7 c , 7 d which act as fastening members, two resilient members 8 a , 8 b , two adapter pieces 9 a , 9 b , and two clamping bolts 10 a , 10 b.
  • the base plate 3 made of plastics material is of an elongated bone-like shape. Its outer regions 3 a , 3 b which adjoin respective ones of its narrow sides are of a considerably greater width B in this case, measured in the direction of the longitudinal extent L of the rail S which is to be fastened in place, than its central region, the change in the width B from the narrower central region to the adjoining wide lateral regions 3 a , 3 b taking place along a continuous step-free path.
  • a supporting surface 3 c which extends in the longitudinal direction L, which extends across whatever is the width B of the narrower central region of the base plate 3 in the given case, and which is bounded laterally relative to the narrow sides of the base plate 3 by respective shoulders 3 d , 3 e.
  • respective ones of the adapter pieces 9 a , 9 b may be fitted onto this projection 3 f in order, if required, to bridge a gap between the latter and the foot F of the rail S which is placed on the supporting surface 3 c and in this way to ensure secure and reliable lateral guidance for the rail S.
  • the heads 10 c of the clamping bolts 10 a , 10 b are seated in this case in respective receptacles 3 i , 3 j which are formed or moulded in the underside U of the base plate 3 and which are arranged in the region of the mouths of respective ones of the through-openings 3 g , 3 h.
  • the receptacles 3 i , 3 j are each surrounded by a circumferential wall 3 k which is integrally connected to the base plate 3 .
  • a circumferential wall 3 k which is integrally connected to the base plate 3 .
  • a recess 3 m Formed or moulded in the given circumferential wall 3 k between each pair of adjacent faces for contact 3 l is a recess 3 m which recedes into the circumferential wall 3 k relative to the faces for contact 3 l .
  • a load-relieving recess 3 n formed after the fashion of a groove, while the recess 3 m merges into the other face for contact which defines it at a relatively shallow angle.
  • the regular distribution of the faces for contact 3 l , recesses 3 m and load-relieving recesses 3 n belonging to the respective receptacles 3 i , 3 j , and their position and dimensions, are selected in such a way that, in the fully installed position ( FIG. 8 ), the side-faces 10 d of the bolt head 10 c bear against respective ones of the faces for contact 3 l and each of the edges 10 e of the bolt head 10 c which are present between pairs of side-faces 10 d is arranged in the region of a load-relieving recess 3 n without being in contact with the given circumferential wall 3 k.
  • the base plate 3 is therefore able to withstand without any problems the torques which arise when the resilient members 8 a , 8 b , which take the form of a conventional ⁇ -shaped clamping clip, are being braced.
  • the resilient members 8 a , 8 b are placed on the base plate 3 in such a way that the threaded shanks of the clamping bolts 10 a , 10 b respectively associated with them pass through the centre loops of the resilient members 8 a and 8 b respectively and the free resilient arms of the resilient members 8 a , 8 b rest on the foot F of the rail.
  • each of the four openings 3 o for sleeves is one of the eccentric sleeves 6 a - 6 d which are produced from a sufficiently strong material which is able to slide well when paired with the material of the base plate 3 .
  • These eccentric sleeves 6 a - 6 d have a through-opening 6 e which is eccentrically arranged relative to the centre axis Me of the given eccentric sleeve 6 a - 6 d .
  • Formed on the outer circumferential surface of each of the eccentric sleeves 6 a - 6 d is a narrow indexable projection 6 f whose axis extends parallel to the centre axis Me and which extends for the full height He of each of the eccentric sleeves 6 a - 6 d .
  • the eccentric sleeves 6 a - 6 d are designed in this case to act as hold-down sleeves, for which purpose they have, at their upper edge associated with the upper side O of the base plate 3 , a projection 6 g which extends round in a circle after the fashion of a collar. In the fully installed state, the projection 6 g from the eccentric sleeves 6 a - 6 d bears against the upper side O of the base plate 3 .
  • the four openings 3 o for sleeves are each surrounded by a circumferential wall 3 p which is formed by the plastics material of the base plate 3 .
  • Formed or moulded in the circumferential wall 3 p at irregular angular intervals ⁇ are markers for indexing 3 q which take the form of grooves, and whose axes extend parallel to the centre axis Mh of the given opening 3 o for a sleeve, and whose shape is complementary to that of the indexable projection 6 f which is formed on each of the eccentric sleeves 6 a - 6 d.
  • the markers for indexing 3 q and the openings 3 o for sleeves are each so designed in this case that the eccentric sleeves 6 a - 6 d respectively associated with them are guided in them by their indexable projections 6 f as a sliding fit and with positive-fit, in such a way that the position in rotation of the eccentric sleeves 6 a - 6 d in the openings 3 o for sleeves associated with them is fixed but at the same time a relative movement between the base plate 3 and the given sleeve 6 a - 6 d directed in the direction defined by the centre axis Me is possible without any problems.
  • one of the fastening bolts 7 a - 7 d is inserted through the through-opening 6 e in each of the eccentric sleeves 6 a - 6 d and is screwed into the anchor 11 of plastics material which is inset into the fixed bottom support 2 .
  • the fastening bolts 7 a - 7 d each create an axis of rotation about which the eccentric sleeve 6 a - 6 d associated with them can be adjusted in rotation.
  • the angular intervals ⁇ between the markers for indexing 3 q are of a size such that, when the base plate 3 is fully installed, each adjustment in rotation between two markers for indexing involves a displacement of the base plate 3 in a direction at right angles to the longitudinal extent of the rail S by a distance which is always of the same size.
  • the angular intervals ⁇ may for example be so designed that each adjustment in rotation of the eccentric sleeves 6 a - 6 d displaces the base plate 3 by one millimetre to allow the track gauge to be adjusted.
  • apron-like projection 3 r Integrally formed or moulded on the base plate 3 , to extend round the edge of the base plate 3 , is an apron-like projection 3 r which points away from the underside U.
  • the projection 3 r acts as a stop for movements directed towards the fixed bottom support 2 which the base plate 3 makes when a railway vehicle (not shown) travels along the rail S standing on it.
  • a stiffening structure 3 s which is formed by ribs 3 t which intersect at right angles and by depressions 3 u which are arranged between them.
  • the depressions 3 u are filled in this case with a moulding material T which is lightweight but dimensionally stable.
  • the filling T of moulding material terminates in this case substantially flush with the free top of the ribs 3 t or projects beyond the top of the ribs for a distance of, typically, at least 2 mm, and there are thus no longer any sharp protruding edges of the ribs 3 t.
  • an elastic layer 3 v which is composed of a permanently elastic plastics material is sprayed onto the supporting surface 3 c .
  • the elastic layer 3 v it is also possible for the elastic layer 3 v to be formed by a pre-manufactured pad of elastic material which is placed down on the supporting surface 3 c and which is in particular adhesively bonded thereto.
  • the elastic intermediate layer 4 When seen in plan, the elastic intermediate layer 4 is of a shape which corresponds to the area occupied by the stiffening structure 3 .
  • the stiffening structure 3 therefore completely covers the intermediate layer 4 . This being so, even under the load applied by a railway vehicle travelling along the rail S, the filling T of filling material which is present in the depressions 3 u of the stiffening structure 3 s ensures that the ribs 3 t of the stiffening structure 3 s do not cut into the intermediate layer 4 . Instead, the base plate 3 is always supported on the elastic intermediate layer 4 over such a large area that an optimum resilient action is maintained in the long term.
  • the thin carrier plate 5 which rests on the fixed bottom support 2 serves to protect the elastic intermediate layer against abrasive wear and dirt and ensures that there is an even surface for it to rest on.
  • a projection 5 a which follows the outline shape of the elastic layer forms, on the upper side of the carrier plate 5 , which upper side is associated with the base plate 3 , a receptacle in which, when the system 1 is fully installed, the intermediate layer 4 is seated in positive-fit.
  • the projection 5 a also acts in this case as a stop which sets a limit to the movements of the base plate 3 directed towards the fixed bottom support 2 and which prevents any excessive compression of the elastic intermediate layer 4 .
  • the elastic intermediate layer 4 is also protected against being too highly compressed when being installed by the fact that the height He of the eccentric sleeves 6 a - 6 d , which are designed to act as hold-down sleeves and which stand on the carrier plate 5 in the fully installed state, is selected to be such that the base plate 3 is only pressed against the elastic intermediate layer 4 with a defined force even when the fastening bolts 7 a - 7 d are fully tightened. If the force concerned is to be very low, the height He of an eccentric sleeve is selected to be one which corresponds to the thickness of the base plate 3 in the region of the openings 3 o for sleeves plus the thickness of the elastic layer in the relaxed installed state, less the thickness of the projection 6 g.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Connection Of Plates (AREA)
  • Supports For Pipes And Cables (AREA)
  • Mounting Components In General For Electric Apparatus (AREA)
US12/607,599 2009-09-18 2009-10-28 System for Fastening a Rail to a fixed Bottom Support, and Fastener for a Rail Abandoned US20110068185A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US13/272,591 US20120031991A1 (en) 2009-09-18 2011-10-13 System For Fastening A Rail To A Fixed Bottom Support, And Fastener For A Rail

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009041848A DE102009041848A1 (de) 2009-09-18 2009-09-18 System zum Befestigen einer Schiene auf einem festen Untergrund und Befestigung einer Schiene
DE102009041848.2 2009-09-18

Related Child Applications (1)

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US13/272,591 Continuation US20120031991A1 (en) 2009-09-18 2011-10-13 System For Fastening A Rail To A Fixed Bottom Support, And Fastener For A Rail

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Publication Number Publication Date
US20110068185A1 true US20110068185A1 (en) 2011-03-24

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US12/607,599 Abandoned US20110068185A1 (en) 2009-09-18 2009-10-28 System for Fastening a Rail to a fixed Bottom Support, and Fastener for a Rail
US13/272,591 Abandoned US20120031991A1 (en) 2009-09-18 2011-10-13 System For Fastening A Rail To A Fixed Bottom Support, And Fastener For A Rail

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US (2) US20110068185A1 (zh)
AR (1) AR079595A1 (zh)
DE (2) DE202009014462U1 (zh)
TW (1) TW201114978A (zh)
UY (1) UY32890A (zh)
WO (1) WO2011032969A1 (zh)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110068182A1 (en) * 2009-09-18 2011-03-24 Vossloh-Werke Gmbh Base Plate for Fastening a Rail to a Fixed Bottom Support, and Fastener for a Rail
US20120031991A1 (en) * 2009-09-18 2012-02-09 Vossloh-Werke Gmbh System For Fastening A Rail To A Fixed Bottom Support, And Fastener For A Rail
US20130168460A1 (en) * 2010-03-12 2013-07-04 Vossloh-Werke Gmbh System for Fixing a Rail onto a Foundation and Support Plate for Such a System
CN104093541A (zh) * 2012-01-26 2014-10-08 沃斯洛工厂有限公司 由纤维强化塑料制造用于固定轨道车辆的轨道的系统构件
US20150008265A1 (en) * 2012-01-19 2015-01-08 Vossloh-Werke Gmbh Plate Element to Guide a Rail and Method for its Manufacture
US20150136865A1 (en) * 2012-07-23 2015-05-21 Schwihag Ag Rail attachment system for junction areas
US9103074B1 (en) * 2012-12-21 2015-08-11 Koppers Delaware, Inc. Modular insulated tie plate
US9987956B2 (en) * 2013-09-26 2018-06-05 Johnson Controls Gmbh Locking unit for a vehicle seat, and vehicle seat
USD828397S1 (en) * 2016-07-12 2018-09-11 L.B. Foster Company Direct fixation fastener
US10619311B2 (en) * 2014-12-02 2020-04-14 Vossloh-Werke Gmbh Base plate and rail fastening point
USD897896S1 (en) * 2019-02-28 2020-10-06 L. B. Foster Company Direct fixation fastener
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US9103074B1 (en) * 2012-12-21 2015-08-11 Koppers Delaware, Inc. Modular insulated tie plate
US9987956B2 (en) * 2013-09-26 2018-06-05 Johnson Controls Gmbh Locking unit for a vehicle seat, and vehicle seat
US10619311B2 (en) * 2014-12-02 2020-04-14 Vossloh-Werke Gmbh Base plate and rail fastening point
USD828397S1 (en) * 2016-07-12 2018-09-11 L.B. Foster Company Direct fixation fastener
US11913177B2 (en) 2018-01-11 2024-02-27 Shiwihag Ag Rail fastening system
USD897896S1 (en) * 2019-02-28 2020-10-06 L. B. Foster Company Direct fixation fastener

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US20120031991A1 (en) 2012-02-09
UY32890A (es) 2011-04-29
WO2011032969A1 (de) 2011-03-24
TW201114978A (en) 2011-05-01
DE202009014462U1 (de) 2010-02-18
AR079595A1 (es) 2012-02-08
DE102009041848A1 (de) 2011-03-24

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