Device for insolated joint for joining rails

Railways: surface track – Rail joints – Insulated

Reexamination Certificate

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Details

C238S243000, C238S248000

Reexamination Certificate

active

07735746

ABSTRACT:
The present invention is directed at an improved device for joining together abutting railway rails between two railway ties. The rails to be joined together have a head portion, a web portion and a toe portion. The saddle is split at the bottom and joined with the two bottom (lower) bolts. The saddle hugs the base of the rail at the joint preventing differential vertical (shearing) displacement of the two rail ends. This can be used in insulated and non-insulated joints. The bolts are isolated from the bars and saddle and directly contact the rail.

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patent: 7097112 (2006-08-01), Urmson et al.
patent: 2006/0027674 (2006-02-01), Urmson et al.
patent: 2007/0034706 (2007-02-01), Urmson et al.
patent: 2008/0035749 (2008-02-01), Igwenezie
patent: 2009/0121037 (2009-05-01), Urmson et al.
patent: 268239 (1988-05-01), None

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