Rail fastening system for use with shoulder fitted concrete ties

Details Rail fastening system for use with shoulder fitted concrete ties Rail fastening system for use with shoulder fitted concrete ties

1982-08-03

1984-09-04

Reese, Randolph

Railways: surface track

Fastenings

Clamps

238338, E01B 930

Patent

active

044692781

ABSTRACT:
A novel hold down apparatus for holding railway rail assemblies to concrete ties fitted with Pandrol-type shoulders is disclosed. The apparatus generally comprises a rail clip seated on the upper surface of the Pandrol-like shoulder. The tip of this clip engages a portion of the rail assembly. A generally U-shaped locking pin clamps the rail clip to the shoulder and biases the clip tip toward the rail assembly to create the desired hold down pressure. This configuration is particularly adapted for use in holding down railway rail assemblies in the vicinity of joints where hold down clearance is minimal. The disclosed apparatus also facilitates the use of novel, high resiliency rail pads. The disclosed fastening system is intended to extend the useful life of concrete ties which are now subject to severe cracking due to existing high impact couplings between the rail and concrete ties.

REFERENCES:
patent: 3749310 (1973-07-01), Borup et al.
patent: 4074860 (1978-02-01), Rex
patent: 4254909 (1981-03-01), Rex

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