Railways: surface track – Fastenings – Clamps
Patent
1976-10-21
1977-11-29
Spar, Robert J.
Railways: surface track
Fastenings
Clamps
238287, 238304, 238310, E01B 936
Patent
active
040601978
ABSTRACT:
A rail fastener assembly includes a restraining block to resist rail overturning and which is disposed atop a tie plate having a raised shoulder adjacent a rail seat section. The curved upper surface of the shoulder is engaged by a mating curved lower surface on the block to position a lip portion on the block in overlying relationship to the rail base flange. Means vertically extend downwardly from the block and cooperate with two spike holes formed through the tie plate shoulder to secure the block relative the tie plate. A rail anchor may be attached to the rail base adjacent the tie plate to provide a complete rail-to-tie fastener assembly.
REFERENCES:
patent: 1055218 (1913-03-01), Petersen
patent: 1864665 (1932-06-01), Northey et al.
patent: 2140891 (1938-12-01), Boyce
patent: 2167870 (1939-08-01), Boyce
patent: 3240429 (1966-03-01), Spencer
Groff, Jr. Emory L.
Portec Inc.
Reese Randolph A.
Spar Robert J.
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