B - Operations – Transporting – 61 – D
Patent
B - Operations, Transporting
61
D
105/117
B61D 7/28 (2006.01) B61D 7/18 (2006.01)
Patent
CA 1039114
ABSTRACT HOPPER VEHICLE A novel hopper vehicle, illustratively a freight hopper car, has a floor with two longitudinal hoppers and a pair of side-opening doors on opposite sides of the center line of the vehicle. Each door provides a part of one of the hoppers and is pivotally mounted on a side sill of the vehicle. Preferably each door is a wrap-around door to provide also a lower part of a side of the body of the vehicle and its pivotal mounting is on an intermediate side sill that extends between the sloping end walls of the body of the vehicle at an inter- mediate elevation. The body of the vehicle has fixed side walls. For the central portion of the floor of the car body there is a longitudinally-extending, inverted V-shaped panel that is mounted above the intermediate portion of the center sill of the car and that provides by its sloping walls the other part of the hoppers. In the construction with wrap- around doors the fixed side walls form only a part of the sides of the body. Each of the two opposed doors is connected to a novel door-operating power-operated mechanism that functions also, as soon as the door is closed to provide a positive locking, preferably a three-point locking, of the door. Each of the door-operating mechanisms is preferably a compound latching mechanism including a lever pivotally mounted at its bottom end on the bottom margin of the door and having its distal end portion pivotally connected to power means mounted on the supporting structure of the vehicle for movement of the lever between a first position abutting the inside of the door when it is unlocked and a second position spaced from the inside of the door when it is closed and the compound mechanism locks the closed door. The compound latching mechan- ism, as the preferred door-operating mechanism further includes a latching lever also mounted, preferably pivotally mounted, on the bottom margin of the door, and spring means mounted on the first lever and connected to the latching lever to provide a downward force on the latching lever, when the door is closed, for a locking engagement with locking means mounted on the supporting structure. Preferably the mechanism further includes means operatively connected to the first lever to provide against that lever, when it is in its first position, a sufficient force to prevent movement of that lever from the first position when the power means is closing the door.
220378
Mowatt-Larssen Erling
Price Albert E.
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