Lightweight and topless draft arm

Details Lightweight and topless draft arm Lightweight and topless draft arm

B - Operations, Transporting

61

F

B61F 1/00 (2006.01) B61G 9/22 (2006.01)

Patent

CA 2301178

A lightweight and topless draft arm (20) is disclosed for use in a railway car. The draft arm (20) includes an open top surface (30) with the metal layer removed, lateral support members (48, 50, 52) and tiebars (44) transversing the side walls (26, 28) for greater draft arm strength, and thinner side walls (26, 28) below the key slots (64). Removal of the top surface (30) of the draft arm (20) eliminates the traditional double layer of material formed by the bottom of the car body and the top of the draft arm (20). Effectively, the bottom of the car body becomes the top of the draft arm (20) resulting in a lighter weight railway car.

On décrit un longeron d'attelage léger à face supérieure ouverte (20) qui s'emploie dans un wagon de chemin de fer. Ce longeron d'attelage (20) inclut une face supérieure ouverte (30) dont la couche métallique a été supprimée, des éléments porteurs latéraux (48, 50, 52) et des barres d'attaches (44) reliant les parois du bâti (26, 28) pour conférer au longeron d'attelage une plus grande résistance, et des parois du bâti plus minces (26, 28) au-dessous de logements de clavette (64). La suppression de la face supérieure (30) du longeron d'attelage (20) élimine la double couche classique de matériau formé par la base de la caisse de wagon et le sommet du longeron d'attelage (20). Ainsi, la base de la caisse de wagon devient effectivement le sommet du longeron d'attelage (20), d'où un wagon de chemin de fer plus léger.

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