Method of reinforcing a covered hopper car hatch

Railway rolling stock – Special car bodies – Freight

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Details

105396, 52 45, B61D 3900

Patent

active

046387439

ABSTRACT:
A replacement roof sheet for replacing a removed roof section of a covered hopper car roof that has cracks radiating from the square corners of a rectangular hatch. The roof sheet has an arcuate cut-out aligned with the hatch opening and an upstanding, arcuate coaming web joined to said roof sheet at said cut-out, the ends of the coaming web forming joints with exposed ends of the roof coaming peripheral of the hatch opening. Two reinforcing members, having dual-angle standards, bridge the joints to reinforce them. Each member has a base portion secured to the roof sheet and the car roof, a first or lower portion conforming to the inward slope of the roof coaming and secured thereto on one side of the joint, and a second or upper portion conforming to the vertical coaming web and secured thereto on the other side of the joint. An end of the roof sheet overhangs an end wall of the car spaced from the hatch and an end sheet depends to said end wall to cover the space therebetween. The end sheet has a lower margin overlapping the exterior surface of the end wall to accommodate variations in dimensions and installations from car to car. Closure blocks seal gaps between the ends of the roof coaming and coaming web; and closure wedges close gaps between the rounded car roof end wall and the planar roof sheet.

REFERENCES:
patent: 1068317 (1913-07-01), Christy
patent: 2537533 (1951-01-01), Ingalls
patent: 3678867 (1972-07-01), Brinks et al.
patent: 3797411 (1974-03-01), Nagy et al.
patent: 4177736 (1979-12-01), Przybylinski et al.
patent: 4275662 (1981-06-01), Adler et al.
patent: 4334481 (1982-06-01), Przbylinski et al.
patent: 4377058 (1983-03-01), Hallam et al.
patent: 4385563 (1983-05-01), Bell et al.

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