E - Fixed Constructions – 01 – B
Patent
E - Fixed Constructions
01
B
E01B 9/28 (2006.01) E01B 3/16 (2006.01) E01B 9/34 (2006.01) E01B 9/40 (2006.01) E01B 9/48 (2006.01)
Patent
CA 2162349
Rail fastening devices having opposing longitudinally extending shoulders to accommodate a rail flange with a downwardly facing abutment surface on each shoulder. A resilient rail clip extends inwardly and bears upwardly on the abutment surface and resiliently on an upper side of the flange to restrain the rail against vertical movement. An outer portion of the clip extends outwardly and curves laterally outwardly and downwardly toward a lower portio that bears on a bearing surface offset laterally inwardly from the centre of curvature of the outer portion. This provides improved stress distribution in the clip. A rail tie plate suitable for attachment to a wood tie, for example, has abutment members upstanding from it to accommodate a rail each with a downward facing surface to react with a rail clip, and a ramp surface that inclines from an outer side of each abutment member upwardly inwardly to an inner side to facilitate mechanized installation of the clip.
Igwemezie Jude
Ridout & Maybee Llp
LandOfFree
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