Railway rail fastening apparatus
AssigneePandrol Limited
InventorsStephen John Cox, John Phillip Porrill, Anthony Adedipe, Nicholas Lloyd
Life of this patent
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Abstract
A railway rail fastening apparatus has a baseplate for receiving a railway rail to be fastened thereto and baseplate securing elements for securing the baseplate to a baseplate seat area of a concrete railway foundation. The baseplate securing elements carry first and second fastening assemblies configured for location on the concrete rail foundation on opposite sides of the baseplate seat area. Each of the first and second fastening assemblies including fixing member having a first part that extends from the baseplate member for retention within the concrete rail foundation. Only the fixing member of one fastening assembly includes a screw-threaded fastener.
Claims19
A railway rail fastening apparatus comprising a baseplate for receiving a railway rail to be fastened thereto and baseplate securing elements to secure the baseplate to a baseplate seat area of a concrete railway foundation, the baseplate securing elements including first and second fastening assemblies configured for location on the concrete rail foundation on opposite sides of the baseplate seat area, each fastening assembly including clamping members configured such that a part of at least one of the clamping members can be arranged so as to overlie a portion of the baseplate, when the baseplate is supported by the concrete rail foundation and is located in the baseplate seat area thereof, each of the first and second fastening assemblies further including a fixing member having a first part configured for retention within the concrete rail foundation and a second part configured for location above the rail foundation and for engaging a respective clamping member;
- wherein, of the fixing members of the first and second fastening assemblies, only the fixing member of the second fastening assembly includes a screw-threaded fastener.
A railway rail fastening apparatus comprising a baseplate for receiving a railway rail to be fastened thereto and baseplate securing means for securing the baseplate to a baseplate seat area of a concrete railway foundation, the baseplate securing means comprising first and second fastening assemblies configured for location on the concrete rail foundation on opposite sides of the baseplate seat area, each fastening assembly comprising clamping means configured such that a part of the clamping means can be arranged so as to overlie part of the baseplate, when the baseplate is supported by the concrete rail foundation and is located in the baseplate seat area thereof, each of the first and second fastening assemblies further comprising fixing means having a first part configured for retention within the concrete rail foundation and a second part configured for location above the rail foundation and for engaging the said clamping means;
- wherein, of the fixing means of the first and second fastening assemblies, only the fixing means of the second fastening assembly includes a screw-threaded fastener.
A railway rail fastening apparatus comprising:
- a baseplate with first and second spaced apart ends, and with a central rail receiving region between the ends;
- first and second different fixing members each of which is carried by the baseplate adjacent to a respective end, the fixing members extend laterally from the baseplate, relative to the rail receiving region, wherein a height adjusting clamp is carried by only one of the fixing members, and where a different clamp is carried by the other fixing member and where the clamps each carry a rail clip guiding ramp;
- wherein the height adjusting clamp is selected from a plurality of similarly shaped clamps where the members of the plurality each have a different height adjusting parameter.
Dependencies are inferred from the claim text.