A variable diameter fastener 30 for a railway rail fastening assembly comprises a shaft 32, a first end 32a of the shaft 32 being configured for placement in an underlying foundation and a second end 32b of the shaft 32 being configured for engagement with the fastening assembly. The shaft 32 comprises a variable diameter portion between the first and second ends 32a, 32b. The variable diameter portion has a diameter that varies along a longitudinal axis of the shaft 32 such that an outer surface of the variable diameter portion is convex in a plane containing the longitudinal axis of the shaft 32.
A variable diameter fastener for a railway rail fastening assembly
25.01.2017
Patent
Elektronische Ressource
Englisch
FASTENER FASTENING METHOD AND FASTENER FASTENING DEVICE
Europäisches Patentamt | 2016
|Railway track fastener state detecting and fastening equipment
Europäisches Patentamt | 2025
|Fastening connection assembly and fastener used for fastening connection assembly
Europäisches Patentamt | 2023
|An anchoring device for a railway rail fastening assembly
Europäisches Patentamt | 2018