Modularized railway crossing grade and modules therefor

Details Modularized railway crossing grade and modules therefor Modularized railway crossing grade and modules therefor

1978-07-27

1981-05-12

Love, John J.

Railways: surface track

Roadbed

Rail paving

404 44, E01C 904

Patent

active

042667186

ABSTRACT:
A module for cooperative installation with a plurality of similar modules proximate a set of railway tracks, and borne upon support members therefor to yield a modularized railway crossing grade assembly, is comprised of a hollow form having exterior side walls, end walls and a bottom wall, a keyway formed in a first end wall and a key formed in the opposing end wall, the keyway and key being of complementary geometrical configuration whereby successive forms may be positively interlocked, and anchoring members for securing the form to a support member. The module is adapted to receive a quantity of load-bearing fill material within the hollow form.

REFERENCES:
patent: 441332 (1890-11-01), Schofield
patent: 456378 (1891-07-01), Hurlbut
patent: 872098 (1907-11-01), Westphal
patent: 1707245 (1929-04-01), Wooldridge
patent: 1721464 (1929-07-01), Myers
patent: 1729360 (1929-09-01), Price et al.
patent: 1832803 (1931-11-01), Alexander
patent: 2242559 (1941-05-01), Vissering
patent: 3301147 (1967-01-01), Clayton et al.
patent: 3866830 (1975-02-01), Hein et al.

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