. Electric railway journal . omnibus companies operating in thegreater London area be so informed. 1060 Electric Railway Journal Vol. 51, No. 22 Air-Operated Door and StepsInstalled at New Brighton Safety Considerations Prompt the Substitution ofAir for Manual Operation—Other Featuresof the Cars Are Given THE Richmond Light & Railroad Company, NewBrighton, N. Y., operating 32 miles of track onStaten Island, has recently completed the installationof air-operated doors and steps on thirty-two double-truck four-motor cars purchased from the OsgoodBradley Car Company in 1915. When these cars werep
. Electric railway journal . omnibus companies operating in thegreater London area be so informed. 1060 Electric Railway Journal Vol. 51, No. 22 Air-Operated Door and StepsInstalled at New Brighton Safety Considerations Prompt the Substitution ofAir for Manual Operation—Other Featuresof the Cars Are Given THE Richmond Light & Railroad Company, NewBrighton, N. Y., operating 32 miles of track onStaten Island, has recently completed the installationof air-operated doors and steps on thirty-two double-truck four-motor cars purchased from the OsgoodBradley Car Company in 1915. When these cars werepurchased the doors and steps were manually operatedby means of hand levers, the motorman tending thefront doors and the conductor the rear. Under the rulesexisting then and now passengers board at the rear andleave at the front. Some difficulty was experiencedwith manual operation, the greatest trouble being dueto the failure of the steps to fall when the doors wereopened. This difficulty became a matter of safety and. fig. l- -NEW BRIGHTON CAR WITH AIR-OPERATED DOORS AND STEPS it was decided to overcome all trouble by installing air-operated doors. A contract for the door engines was made with theSmith-Ward Brake Company, New York, and the engineshown in the accompanying illustration was designedespecially for the purpose. This is a 6J-in. center-feedpneumatic engine, packed in dry graphite instead ofthe customary grease. The movement of the plungeroperates a series of levers which in turn open and closethe doors. Figs. 2 and 3 show the engine as two handles on the center post, Fig. 3, are foruse of the conductor when this is the rear end of thecar. A horizontal turn of about 45 deg. actuates theseries of levers and admits air behind the piston. Thedoors open quickly and a reverse action closes 3 actually shows the front end of the car as itappears in operation. The two handles by which themotorman controls the door movement are visible oneon each sid
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