. Electric railway journal . In the center of the car is a l^-in. pipe stanchionwhich has a cast fork at the top. A hollow tube runsfrom each side of the fork across the car to the postat the center of the entrance. Incased in these tubes isa continuous shaft which has bearings at each end ofthe tubes. The shaft has a right-hand worm screw onone end and a left-hand screw on the other. Each screwoperates a wing nut which slides through two slots8 in. long which are cut, one on each side of the tube,14 in. from the door post. Connected with each wing nut are two rods which inturn are connected t
. Electric railway journal . In the center of the car is a l^-in. pipe stanchionwhich has a cast fork at the top. A hollow tube runsfrom each side of the fork across the car to the postat the center of the entrance. Incased in these tubes isa continuous shaft which has bearings at each end ofthe tubes. The shaft has a right-hand worm screw onone end and a left-hand screw on the other. Each screwoperates a wing nut which slides through two slots8 in. long which are cut, one on each side of the tube,14 in. from the door post. Connected with each wing nut are two rods which inturn are connected to cranks, one on each center door. VIEW OF SANTA BARBARA CAR AT CENTER-ENTRANCE, SHOWING THE DOOR-OPERATING CHAIN WITH HAND-HOLDFOR CONDUCTOR, SPROCKET WHEEL AND TUBING FOR CONTINUOUS SHAFT ; SHORT LEVER OVER SLOT INHORIZONTAL TUBE LOCKS ONE DOOR MECHANISM WITHOUT AFFECTING THE OTHER satisfaction that we have since converted the remainingcars in the same way. There are four doors to each side of the car, twoopening back to back at the center-entrance post andone at each side of the entrance bulkhead. The stepworks simultaneously with the doors. The doors arehinged on 1-in. door posts which have a bearing at thefloor and just above the tops of the doors. The two center-door posts extend through the floorand are equipped at the bottom with bevel gears whichare in mesh with bevel gears on a jack shaft parallelwith step shaft and operating step shaft by a lever. post. From another crank on each center door post is arod extending over and connecting with a crank oneach side door post and causing them to operate simul-taneou
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyorkmcgrawhillp
