. Electric railway journal . eper-car consists of two cabs mounted on standardtrucks and connected by an open bridging. Close underthe roof of this central portion are a pair of rails thatcamy the mast-carriage, which may be moved from oneend of the bridging to the other by means of a smallmotor geared to the wheels. In bearings at the centerof the mast-carriage a 7-in. shaft, or mast, is carried,and upon this shaft between the upper and lower bear-ing in the dropped-frame of the carriage is keyed aheavy worm-wheel, 48 in. in diameter. The worm thatmeshes with the wheel is driven by a 5-hp mot
. Electric railway journal . eper-car consists of two cabs mounted on standardtrucks and connected by an open bridging. Close underthe roof of this central portion are a pair of rails thatcamy the mast-carriage, which may be moved from oneend of the bridging to the other by means of a smallmotor geared to the wheels. In bearings at the centerof the mast-carriage a 7-in. shaft, or mast, is carried,and upon this shaft between the upper and lower bear-ing in the dropped-frame of the carriage is keyed aheavy worm-wheel, 48 in. in diameter. The worm thatmeshes with the wheel is driven by a 5-hp motormounted on the carriage frame so that as the motor isrotated the shaft turns and the broom carriage, whichis keyed solidly to the shaft and is in fact supportedsolely by it, is swung either to the right or to the leftaccording to the direction of rotation of the motor. It may be of interest to state that the force which isexerted by the broom as it drags forward on the streetsurface has been found by dynamometer test to be. NEW YORK SNOW-SWEEPER—VIEWS SHOWING ORIGINAL ARRANGEMENT OF OPERATORS CABIN WITH HINGED ROOFAT END OF BROOM. THIS LOCATION FOR OPERATOR WAS GIVEN UP BECAUSE OF THE FLYING SNOW THROWN BY THE BROOM
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyorkmcgrawhillp
