. The Street railway journal . ngs which in turn one turnbuckle jaw, one dead lever, one dead lever jaw, one livelever jaw and two brake beams. On account of its very few parts the operation of this brake isvery quick and powerful, and there is no lost motion to be takenup before the shoes are applied to the wheels. The Union Railway Company, of New York, has made applica-tion for permission to extend the lines of the New York, WhitePlains & Mamaroneck branch through Tarrytown. 742 STREET RAILWAY JOURNAL. [Vol. XV. No. 10. The Atlas Rail Joint Trolley Pole Catcher and Reel The subject of rail
. The Street railway journal . ngs which in turn one turnbuckle jaw, one dead lever, one dead lever jaw, one livelever jaw and two brake beams. On account of its very few parts the operation of this brake isvery quick and powerful, and there is no lost motion to be takenup before the shoes are applied to the wheels. The Union Railway Company, of New York, has made applica-tion for permission to extend the lines of the New York, WhitePlains & Mamaroneck branch through Tarrytown. 742 STREET RAILWAY JOURNAL. [Vol. XV. No. 10. The Atlas Rail Joint Trolley Pole Catcher and Reel The subject of rail joints is one upon which a great deal ofthought has been bestowed by both steam and street railway en-gineers. A good joint should be able to resist the vertical, lateraland longitudinal forces produced by passing wheel loads, and,where there is expansion and contraction, the strains and stressesof these forces also. Where ordinary angle plates are used, thefirst indication of any weakness in the plate is the flattening of. The engraving below shows a trolley-pole catcher and reel manu-factured by Wilson & Company, of Brooklyn. The object of thedevice is, of course, to prevent the trolley pole from breakingdown the span wires in case it should slip on the trolley wire. Ifthis should happen the reel acts, drawing down the trolley polebelow the level of the wire. The engraving shows the generalarrangement of the device. The company has recently publisheda brochure giving a number of testimonials to the value of thedevice from prominent railway managers. Automatic Safety Shut-Off Valve SUSPENDED RAIL JOINT the plate and the points of bearing, allowing the ends of the railsto sink down and the result is the bar lias a tendency to facts show that the great need in a joint is large bearingsurface to resist the pounding of the vertical wheel loads, as
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
