B - Operations – Transporting – 61 – F
Patent
B - Operations, Transporting
61
F
B61F 5/24 (2006.01) B61F 5/12 (2006.01)
Patent
CA 2057722
The present invention provides a friction shoe for use in a railway freight car truck. The friction shoe is disposed to dampen movements between the truck bolster and the side frames, and consists of a unitarily cast metal body having a generally planar vertical wear plate adapted to frictionally engage a column on the truck side frame. The back surface of the vertical wear plate is augmented to create a thicker cross sectional area at either the upper or lower ends of the plate, depending on the type of shoe being used. The augmented shoe provides a longer wearing friction surface which requires less frequent replacement and lower costs.
Sabot de friction pour boggie de wagon de marchandises. Le sabot de friction, disposé de façon à amortir les mouvements entre la traverse danseuse et les longerons de boggie, est constitué d'un corps monobloc en métal coulé ayant un guide vertical assez plan qui est adapté pour engager par friction un poteau sur le longeron de boggie. La surface arrière du guide vertical a été augmentée afin de créer une superficie de section transversale qui soit plus épaisse aux extrémités supérieures ou inférieures du guide, tout dépendant du type de sabot utilisé. Le sabot amélioré offre une plus longue surface d'usure par friction, ce qui veut dire des remplacements moins fréquents et des coûts moindres.
Amsted Industries Incorporated
Borden Ladner Gervais Llp
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