B - Operations – Transporting – 61 – F
Patent
B - Operations, Transporting
61
F
B61F 5/04 (2006.01) B61F 5/00 (2006.01) B61F 5/50 (2006.01) B61F 5/52 (2006.01)
Patent
CA 2315423
A bolster is provided for a railway truck. The bolster comprises a top member, two side members extending downwardly from edges of the top member, and a bottom member joining the lower edges of the side members. Two pairs of parallel, longitudinally spaced side bearing ribs extend between the top member and the bottom member. Lightener openings are formed in each side bearing rib, with each lightener opening having a top edge, two side edges and a bottom edge. The bottom edge of the lightener opening is formed by a bottom section that extends at an angle with respect to the bottom member such that the height of the bottom section decreases along its central portion as it extends toward a lateral end of the bolster.
Mckeown Franklin S. Jr.
Moehling Charles
Wronkiewicz Robert D.
Amsted Industries Incorporated
Gowling Lafleur Henderson Llp
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