E - Fixed Constructions – 01 – B
Patent
E - Fixed Constructions
01
B
E01B 11/42 (2006.01) E01D 19/06 (2006.01)
Patent
CA 2148133
2148133 9410383 PCTABS00032 Sliding joint system for railway tracks allowing a wide longitudinal excursion - particularly for suspension bridges - comprising, for each rail of the track, a first fixed rail (1) having an end tapered on the outwardly facing sides of the track, and a second rail (2) positioned next to the tapered surface of the first rail (1) and sliding along the same, while continuously extending beyond said tapered surface in an oblique direction, outwardly of the track, under an acute angle. The flange of said second rail (2) is preferably of reduced width, equal to that of its head, so as to be more flexible. The deviation and sliding of said second rail (2) in respect of the first rail (1) are ensured by guide means comprising: at least a set of three main rollers (3, 4, 5) meant to align the second rail (2) parallel to the main longitudinal axis of the track; a plurality of secondary guide rollers (6) with fixed vertical axes, positioned so as to face the tapered surface of the first rail (1); and pairs of guide rollers (7), positioned at regular intervals along a guide channel (8) of the second rail (2).
Fetherstonhaugh & Co.
Stretto Di Messina S.p.a.
LandOfFree
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