Removable self-retaining shoulder block for fastening rails...

Details Removable self-retaining shoulder block for fastening rails... Removable self-retaining shoulder block for fastening rails...

E - Fixed Constructions

01

B

238/160

E01B 9/32 (2006.01) E01B 9/18 (2006.01) E01B 9/30 (2006.01)

Patent

CA 1288082

ABSTRACT In a rail fastening for use with concrete ties a two piece self-retaining shoulder block is employed. Shoulder blocks of varying types are well-known in the art, but those generally employed for use with concrete ties are one piece shoulder blocks embedded within the tie. The problem with the presently used shoulder blocks is that when a concrete tie becomes worn and must be changed it is necessary to dig out the crib bed to allow the tie to be lowered such that it may clear the shoulder block in order to be removed out from under the rails. The present invention overcomes this difficulty by providing a two piece shoulder block whereby the top portion is removed so that the tie may be pushed out directly without disturbing the crib bed.

467097

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