. The Street railway journal . raises ^ inch at eachfull turn of the screw. One man using a 2 foot bar caneasilj^ raise one end of a car with one hand, and throw orpush over the load i foot in as short space of time as twominutes. The device is very compact, can be carried easily onthe car and may often save vexatious delays. A boy withits use could replace a derailed car without much lossof time, and every motorman or conductor, after once usingthe device, can certainly replace a car in a few minutesand, in eight cases out of ten, without asking for help. The I Yi inch screw is the handiest t
. The Street railway journal . raises ^ inch at eachfull turn of the screw. One man using a 2 foot bar caneasilj^ raise one end of a car with one hand, and throw orpush over the load i foot in as short space of time as twominutes. The device is very compact, can be carried easily onthe car and may often save vexatious delays. A boy withits use could replace a derailed car without much lossof time, and every motorman or conductor, after once usingthe device, can certainly replace a car in a few minutesand, in eight cases out of ten, without asking for help. The I Yi inch screw is the handiest tool for replacingstreet cars in many cases where tools are kept along thelines, being easy to carry in the hand. But for use inhurry-up wagons, for all kinds of work, the 2 inchscrew would prove most useful as it hoists just twice asfast and will take any load. In throwing over a car the passengers inside wouldhardly feel the jar, as the trucks are raised only 2 inchesto set over a foot and the springs are all slack. The work. FIGS. 1-5.—THE PEARSON HUB CAR REPLACING JACK. 64 STREET RAILWAY JOURNAL. [ XII. No. 6. is also accomplished without injury to the car and withoutjarring it as much as when it went off. Fig. 7 shows the jack with chain attachment for rais-ing the body, at the side, of a 4, 6 or 8 wheel car in caseswhere the trucks are not made fast to the body. It is de-signed in these cases to raise both body and trucks atonce. As shown, a plate is first set under the body and onthe jack, and the truck frame is chained fast to it. Theoperator then hoists the wheels clear from the ground andplaces inclined iron plates under wheel or wheels, settingthe plates to square around the trucks if it is an 8 wheelcar. The next step is to unchain the plate and set it onthe other side of the car in the same way ; then to hoist,and as the load commences to raise, it begins to movetowards the rail. As the jack is adjustable to any anglethe weight of the load does the pushing. I
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
