Railways: surface track – Roadbed – Street crossing
Patent
1975-01-02
1976-05-11
Wood, Jr., M. H.
Railways: surface track
Roadbed
Street crossing
104 11, 238 2, E01B 100
Patent
active
039557618
ABSTRACT:
A method and apparatus for forming a railroad grade crossing comprising a vehicular supporting structure formed by a plurality of precast slabs fixedly located between and on opposite sides of a pair of running rails. A variety of slabs are provided for accommodation of multiple, switch and curved sections of track, with each slab being adjustably positioned relative to the elevation of the rails by temporary shims located proximate each of the marginal corners thereof and carried on the longitudinally spaced railroad ties. A supporting bracket is provided for fixedly connecting the slabs to the running rail. The structure is subsequently supported on a plurality of initially deformable pads located on the railroad ties and which are compressed and preformed to accommodate all inconsistencies and irregularities of the ties. In installations involving signal control sections of track, the supporting bracket is insulated from the running rails whereby to preclude any interference therewith.
REFERENCES:
patent: 2875953 (1959-03-01), Weber et al.
patent: 3056555 (1962-10-01), Eisses
patent: 3432098 (1969-03-01), Sato
patent: 3465963 (1969-09-01), Caillet et al.
patent: 3825184 (1974-07-01), Hartl
Szarka Joseph R.
Szarka Paul J.
Bertsch Richard A.
Szarka Enterprises, Inc.
Wood, Jr. M. H.
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