B - Operations – Transporting – 61 – D
Patent
B - Operations, Transporting
61
D
B61D 17/04 (2006.01) B61D 7/00 (2006.01) B61D 17/06 (2006.01) B61D 17/08 (2006.01)
Patent
CA 2590986
A rail road freight car, which may be a gondola car, may have a flat deck, and a peripheral wall structure. The peripheral wall structure may include arcuate sidewalls and arcuate end walls. The car body may include internal stiffeners having an arcuate outside sidewall profile. Those stiffeners may be lined up with cross-bearers and bolsters, such that large spring-like frames are formed. The car may include stations at which there are cross-bearers, but no corresponding upstanding wall reinforcement posts mounted outside the car walls. The end top chords may be curved and may be pin jointedly connected to the side top chords. The side top chords may have a central portion that has a substantially greater second moment of area for resisting lateral deflections than adjacent end portions. The arcuate form of the end walls may provide additional space in which to mount safety appliances.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
National Steel Car Limited
LandOfFree
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