. American engineer and railroad journal . NORTHERN PACIFIC GENERAL SERVICE CAR WITH DROP DOORS OPEN. At the bolster and at the center of the car these members are re-inforced by angles at the top and bottom, as shown. The doors may be opened or closed in less than two minutesby one man standing either on the ground or the platform. Theshaft upon which the chains are wound is operated by a ratchetarrangement at the cud of the car; this may be equipped withan operating lever, as shown, or with a socket which can be operated with a bar. a piece of pipe, or a pick handle. Afterthe doors are close
. American engineer and railroad journal . NORTHERN PACIFIC GENERAL SERVICE CAR WITH DROP DOORS OPEN. At the bolster and at the center of the car these members are re-inforced by angles at the top and bottom, as shown. The doors may be opened or closed in less than two minutesby one man standing either on the ground or the platform. Theshaft upon which the chains are wound is operated by a ratchetarrangement at the cud of the car; this may be equipped withan operating lever, as shown, or with a socket which can be operated with a bar. a piece of pipe, or a pick handle. Afterthe doors are closed the shaft creeps in under them, support-ing them and relieving the chains from the load. Skilled laboris not required to operate them. As an extra check the shaft islocked by a latch and dog at the end of the car. The mechan-ism i< thus simple and positive; the lading cannot be dumpedaccidently and there is nothing complicated to get out of order. \MERTCAN ENGINEER AND RAILROAD MAINE CENTRAL 50-TON GENERAL SERVICE STEEL CAR.
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
