File:American engineer and railroad journal (1893) (14759187255).jpg

Identifier: americanengineer80newy (find matches)
Title: American engineer and railroad journal
Year: 1893 (1890s)
Authors:
Subjects: Railroad engineering Engineering Railroads Railroad cars
Publisher: New York : M.N. Forney
Contributing Library: Carnegie Library of Pittsburgh
Digitizing Sponsor: Lyrasis Members and Sloan Foundation

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rd. The func-tion of the side sills is to form spacers and longitudinal bracesfor the ends of the body bolsters and cross bearers, and alsoto support the foot boards which extend along either side ofthe car. The end sills, channels with the flanges turned out-ward, are secured to the ends of the side and center sills byangle plates. The body bolsters are formed of two pairs of vertical plateshaving flanges pressed on the inner, lower and outer edges.Riveted to the flanges at the lower edge is a cover platewhich extends underneath the center sills, as shown in Figs.1 and 7. The flanges on the inner edges of the bolster sideplates are riveted to the center sills and those at the outeredges are riveted to the side sills. Extending almost the fullwidth of the car above the centre sills and riveted on theinside of the bolster side plates are angles, to the lower flangesof which is riveted a cover plate. The triangular portions ofthe bolster side plates, which extend above these angles, are
Text Appearing After Image:
111 . r-o. :!STEEL UNDERFRAME FOR TANK CARS, Mabch, 1906. AMERICAN ENGINEER AND RAILROAD JOURNAL. 93 Stiffened at the outer edge by light angles, as shown in Fig. 1.The inner or upper edge of these plates is curved to conformto the shape of the tank. On the inside of these curved edges(Pigs. 1 and 7) are riveted angles on which are placed hardwood blocks upon which the tank rests. Between the centersills and on a line with the bolster side plates are flangedplates or diaphragms which are riveted both to the webs ofthe center sill channels and to the top and bottom bolstercover plates. To the bolster side plates and between themnear the outer edge of the upper triangular portion, are rivet-ed inclined eye-plates which receive the bolts to which thestrap, which passes over the tank, is connected by turn-buckles. The hard wood head blocks, which are shaped to conformto the end of the tank and prevent it from moving end-wise, are bolted to the center sills and also to the angleswhich exte

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