Railways: surface track – Fastenings – Transverse slide
Patent
1989-05-17
1991-01-01
Olszewski, Robert P.
Railways: surface track
Fastenings
Transverse slide
238331, E01B 934, E01B 900
Patent
active
049812645
ABSTRACT:
In a device for fixing stock rails (1) in railway switches, including a base plate (2) for the stock rail (1) and a sliding chair (3) for the switch tongue mounted on the base plate and comprising an elongated spring element (6) for pressing down the rail foot and preferably having the shape of a plate, the spring element (6) can be introduced, preferably without tension, into a tunnel-shaped recess (5) provided in the sliding chair (3) and extending in a direction approximately normal to the stock rail. The upper edge of the tongue-shaped recess (5) within the sliding chair (3) extends, with the formation of a kink (13), in direction towards the rail foot steeper in upward direction that in an area (11) extending more flatly in front of the kink (13). A separate wedge (10) can, for the purpose of guying the spring element (6) against the rail foot, be driven in within the area (11) of flatter extension of the upper edge at a distance from the kink (13) of the upper edge. On account of the wedges presence, a progressive spring characteristic of the spring element (6) can easily be adapted to the requirements.
REFERENCES:
patent: 966284 (1910-08-01), Williamson
patent: 2462771 (1949-02-01), Philips
Orasche Hermann
Rieger Johann
Muratori A.
Olszewski Robert P.
Voest-Alpine Maschinenbau Gesellschaft m.b.H.
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