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US 4,609,144 AGranted
Railroad tie cover
AssigneeStedef S.A.
InventorJohn L. Harmsen
Life of this patent
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AssigneeStedef S.A.
InventorJohn L. Harmsen
Estimating the term…
A universal railroad tie cover of a substantially rectangular configuration is provided which is composed of an elastomer material having one or more openings for receiving one or more elastomer pads for increasing the resiliency of rail fastening systems in railroad track beds with and without ballast to prolong the service life of timber and concrete railroad ties. The universal railroad tie cover has a center section with at least one opening and two side portions for receiving interchangeable specially designed pads some of which may be designed for a particular system and/or for wood or concrete ties to prolong operational life by increasing the resiliency of the rail fastening system. The universal railroad tie cover and particular pads are designed to be manufactured and shipped in a flat configuration which can be cut and installed as a three dimensional cover at the work site to accommodate varying lengths of timber and concrete ties as may be required in special track work.
A railroad tie cover for imparting resiliency to a track system while prolonging the life of a tie comprising a substantially rectangular sheet formed of an elastomer material having a first surface and a second surface with a first side and a second side and a center section said center section having means for receiving and fixing the position of one or more specially designed pads in said first surface of said center section, said first side and said second side connected to said center section and adapted to deform so as to orient said first surface of said first and second sides to an angle of about 90 degrees to said first surface of said center section.
Dependencies are inferred from the claim text.