Light weight draft sill

B - Operations – Transporting – 61 – G

Patent

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Details

B61G 9/20 (2006.01) B61G 9/22 (2006.01)

Patent

CA 2233442

The present invention provides a lightweight draft sill end casting for use with railroad cars. Weight reductions are achieved and adequate strength is maintained by using a set of front ribs and back ribs, with angled top and bottom ribs. The back rib set has a single central rib along the central plane of the draft sill. A single horizontal center plate rib is also used in the area of the center plate. The side ribs at the center plate have larger lightener holes. Holes are also provided in the bottom wall of the casting. Larger lightener holes are provided in the area of the draft sill pocket. These holes are moved upwardly to lower the center of gravity of the draft sill. The draft stops may be spaced from the top wall of the draft sill and from the bottoms of the side walls. 37

La présente invention porte sur un appareil de traction de poids léger pour utilisation avec des voitures de chemin de fer. On peut réduire le poids et maintenir une résistance adéquate en utilisant une série de nervures avant et nervures arrière, avec des nervures supérieures et inférieures formées à angle. La série de nervures arrière comporte une nervure centrale unique le long du plan central de l'appareil de traction. Il y a également une nervure horizontale unique sur la plaque centrale. Les nervures latérales de la plaque centrale ont des trous d'allègement plus grands. L'appareil de traction comporte aussi des trous dans sa paroi inférieure. Il y a des trous d'allègement plus grands dans la zone de la poche de l'appareil de traction. Ces trous sont déplacés vers le haut pour abaisser le centre de gravité de l'appareil de traction. Les butées peuvent être espacées de la paroi supérieure de l'appareil de traction et du bas des parois latérales.

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