Hinged derail with assisted manual lifting and method for...

B - Operations – Transporting – 61 – K

Patent

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Details

B61K 5/06 (2006.01) B61K 5/04 (2006.01) E01B 29/32 (2006.01)

Patent

CA 2593415

This invention relates to hinged derail assemblies used in the railroad industry for derailing a wheel of an undesirably moving railed vehicle. The hinged derail assembly includes a base that is positioned adjacent one rail of a pair of railroad rails. A derail shoe is pivotally mounted on the derail base and is moveable between a derailing position and an inoperative position. In the present invention a biasing member, such as a torsion spring, is secured to both the base of the hinged derail assembly and the derail shoe. The spring provides upward lifting force whether the derail shoe is in the inoperative position or in the derailing position. This lifting force assists the worker in the manual lifting of the derail shoe. The invention also relates to a method of constructing the hinged derail wherein the torsion spring is installed when the derail shoe is generally upright.

Cette invention se rapporte à des ensembles de déraillement articulé utilisés dans l'industrie ferroviaire pour dérailler une roue de véhicule sur rail mobile non désiré. L'ensemble de déraillement articulé comprend une base contiguë à un rail d'une paire de rails de chemin de fer. Un patin de déraillement est installé par pivotement sur la base de déraillement et peut être déplacé de la position de déraillement à la position inopérante. Dans la présente invention, un élément de décalage, comme un ressort de torsion, est fixé à la base de l'ensemble de déraillement articulé et au patin de déraillement. Le ressort fournit une force de levage, que le patin soit en position inopérante ou en position de déraillement. Cette force de levage aide le travailleur à soulever manuellement ledit patin. Cette invention traite aussi d'une méthode qui permet de fabriquer le dispositif de déraillement articulé où le ressort de torsion est installé, le patin étant généralement à la verticale.

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