Identifier: streetrailwayrev14amer (find matches)
Title: The street railway review
Year: 1891 (1890s)
Authors: American Street Railway Association Street Railway Accountants' Association of America American Railway, Mechanical, and Electrical Association
Subjects: Street-railroads
Publisher: Chicago : Street Railway Review Pub. Co
Contributing Library: Carnegie Library of Pittsburgh
Digitizing Sponsor: Lyrasis Members and Sloan Foundation

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teelplate, having a U-shaped section. This plate car-ries a bolt at the lower end, which acts as a stopto the upward movement of the frame. When de-signing these trucks the use of both bolts and riv-ets for connecting the parts of the frame wereconsidered, and it was decided that hydraulicdriven rivets were preferable. It is intended touse four of these rivets at each corner of thetruck to connect the side frame with the endframe. The king bolt screws into a nut in tliebolster so that the car body can not tip off of thetrucks. The center plates are lubricated withoil, and the car body center plate is cast hollowso as to hold a surplus erf oil. The truck framesare completed and made perfectly square and true before beingplaced on the wheels. The experience with these trucks has demon-strated that the use of inside pedestals is entirely unnecessary, andby omitting them it is possible to form a superior side frame of onepiece of rolled steel without welds, which is lighter and much safer
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FORGED STEEL TRUCK, SHORT WHEEL BASE. than any other form of construction. By tieing together the journalboxes by the equalizer bars the boxes are prevented from beingforced against the outside pedestals by the application of the brakes,and much wear of the boxes and pedestals and resultant lost motionis thus obviated. The trucks are made light for the required strengthand have no castings under tensile stress. All castings except thewheels and brake shoes are of malleable iron. The brake shoes arecarried at the M. C. B. standard height and the hanger bolts and allother bolts in the brake rigging are held by strong springs so thatthey cannot rattle, which greatly reduces the amount of wear uponthem and the shoes do not chatter. This construction is designed toprovide nothing on the trucks that can ever rattle. On the Youngstown & Sharon Railway trucks a brake shoe slackadjuster has been tested which aulomatically adjusts the shoesto within 1-16 in. of the wheel. With this device t

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