Vertically aligning slackless drawbar

B - Operations – Transporting – 61 – G

Patent

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Details

B61G 7/10 (2006.01) B61G 9/24 (2006.01)

Patent

CA 2583728

A vertically aligning slackless drawbar for connecting adjacently disposed ends of a pair of railway freight cars together in a substantially semi- permanent manner. Such vertically aligning slackless drawbar comprises a first member and a second member pivotably and slideably coupled to each other with a pivot pin, preventing lifting of the body of such railway freight car from the bolster in a light aluminum railway freight car application. A predetermined clearance is designed between the adjacent ends of the first and second member to limit lateral movement of the second member in relationship to the first member in order to limit occurrence of jackknifing. The first member is secured to a yoke with the standard "F" pin. The yoke is further secured between the rear lug and a front lug of a center sill of a railway freight car. A pair of tapered gravity wedges compensate for longitudinal slack and are held in place with a pair of leaf springs disposed between the rear lug and said gravity wedge.

L'invention concerne une barre d'attelage à alignement vertical exempte de jeu, destinée à relier les extrémités adjacentes d'une paire de wagons de marchandises de façon sensiblement semi-permanente. Cette barre d'attelage à alignement vertical exempte de jeu comprend un premier élément et un deuxième élément, couplés l'un à l'autre de façon pivotante et coulissante au moyen d'une broche de pivotement, ce qui empêche le soulèvement de la carrosserie du wagon de marchandises par rapport au plateau mobile dans une application de wagon de marchandises en aluminium. Un intervalle prédéterminé est formé entre les extrémités adjacentes des premier et deuxième éléments de manière à limiter le mouvement latéral du deuxième élément par rapport au premier élément afin de limiter l'éventualité d'un mouvement en charnière. Le premier élément est fixé à une bride avec une broche standard en F. La bride est fixée entre un taquet avant et un taquet arrière d'une traverse extrême centrale d'un wagon de marchandises. Une paire de coins coniques fonctionnant par gravité compense le jeu longitudinal et est maintenue en place par une paire de ressorts à lames disposés entre le taquet arrière et le coin fonctionnant par gravité.

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