B - Operations – Transporting – 61 – D
Patent
B - Operations, Transporting
61
D
105/135
B61D 7/16 (2006.01) B65D 90/58 (2006.01) F16K 3/02 (2006.01)
Patent
CA 1116952
HOPPER CAR OUTLET GATE ASSEMBLY WITH BREAKAWAY GATE OPENING ACTION Abstract of the Disclosure An outlet assembly for application to hoppers of railroad hopper cars and the like in the form of a frame made up of spaced pairs of longitudinal and transverse frame members joined together and shaped to define a continuation of the hopper car sheets, and slidably mounting a gate for movement between open and closed positions, in which the gate slideway is defined by trackway forming members disposed at either side edge of and across the mid portion of the outlet port and having their respective load supporting surfaces each lined with a special liner formed from an ultra high molecular weight polymeric material that is of dry self-lubricating nature and is characterized by resistance to adherence thereto of foreign materials including the various types of bulk material ladings encountered in utilizing hopper cars. The gate side edges ride on the liners of the trackway forming members at the respective side edges of the outlet port, and the respective gate side edges and the liner supporting same cooperate to effect a bulk material seal at the respective side edges of the gate, with the assembly being equipped to also effectuate bulk material seals at the front and the rear of the gate when in its closed position. The liner across the mid portion of the outlet port is mounted for limited lost motion movement relative to the gate and co- operates with a stop forming abutment to provide a gate breakaway action when the gate is opened under loaded conditions.
347951
Chierici Osvaldo F.
Murphy Richard F.
Holland Company
Macrae & Co.
LandOfFree
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