Railways: surface track – Fastenings – Clamps
Patent
1990-01-16
1991-05-21
Spar, Robert J.
Railways: surface track
Fastenings
Clamps
238351, E01B 900
Patent
active
050168169
ABSTRACT:
Resilient railroad fastener system comprising an elongated shoulder member and spring clip to be so applied and combined with the shoulder member as to create a toe load applied downward to the rail; the shoulder member having a reaction surface to be engaged at a first angle by one arm of the spring clip and the shoulder member being configured with a capturing surface to capture the other spring arm while cocking the spring clip at an angle to the horizontal when the spring clip is applied to the shoulder member; whereby when installed the spring clip has a toe load impressed thereon which is the vector sum of the clip load and shoulder reaction.
REFERENCES:
patent: 3144909 (1964-08-01), Hart et al.
patent: 3640460 (1972-02-01), Baseler
patent: 3799437 (1974-03-01), Scherbaum
patent: 3881652 (1975-05-01), Jacobson
patent: 3970248 (1976-07-01), Molyneux
patent: 4625912 (1986-12-01), Fee
Slavin Craig
Spar Robert J.
Unit Rail Anchor Company
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