B - Operations – Transporting – 61 – D
Patent
B - Operations, Transporting
61
D
B61D 7/18 (2006.01) B61D 7/00 (2006.01) B61D 7/02 (2006.01) B61D 7/28 (2006.01) B61D 19/00 (2006.01) B61G 7/10 (2006.01)
Patent
CA 2678605
A railroad gondola car has a hopper carried between two trucks. The hopper has convergent end and side slope sheets that feed a bottom discharge. The bottom discharge has a pair of longitudinal doors. The door closing mechanism is a mechanical transmission that includes a set of linkages running from the door to a reciprocating pneumatic cylinder. The linkages run generally parallel to the slope sheet. The car has a very short draft installation that includes a removable coupler carrier bar, and the main shear plate has a removable draft gear installation panel. There is a machinery space above the end section shear plate. It is overhung by the slope sheet that is substantially unobstructed by any other primary structure. The pneumatic cylinder is mounted on an angle in this unobstructed machinery space, oriented longitudinally over the draft sill beneath the main drag link of the mechanical transmission, and above the main pivot of the driving input lever of the transmission. The main lever is bifurcated, and straddles the pneumatic cylinder. The mechanism includes a primary lock in the form of an over center lever arrangement, and a compact secondary lock that acts sideways rather than lengthwise. The sidewalls of the car include vertical stiffeners and side sheets. The lower portion of the side sheets lies laterally inboard of the stiffener web, while the upper portion lies laterally outboard of the stiffener web. The side slope sheet of the hopper meets the sidewall at the transition of the sidewall sheet from the inside-the-post to the outside- the-post condition.
Forbes James W.
Keats Dave
Thiesen Marcus
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
National Steel Car Limited
LandOfFree
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