. The Street railway journal . 4 a reasonable pressure. One very strongfeature of this device is that there are nostuffing boxes, the only moving joints beingthe piston heads and slide valves. As now-made there are no keys or set screws to workloose. Reducing valves are not needed withthis device. The shaft on which the pinionand lever are placed is i-in. square steel withbearings turned down upon it. Although de-signed primarily for use on corner entrancefhich have the door sliding back in the side of the car,, of course, be adapted to cars with platform gates or pneumatic door opene
. The Street railway journal . 4 a reasonable pressure. One very strongfeature of this device is that there are nostuffing boxes, the only moving joints beingthe piston heads and slide valves. As now-made there are no keys or set screws to workloose. Reducing valves are not needed withthis device. The shaft on which the pinionand lever are placed is i-in. square steel withbearings turned down upon it. Although de-signed primarily for use on corner entrancefhich have the door sliding back in the side of the car,, of course, be adapted to cars with platform gates or pneumatic door opener as applied. FIG. 4.—OPENER COMPLETE to a folding door, Fig. 5 showing the door closed and Fig. 6the door open. When the door is closed the lever forms atoggle joint which makes it impossible to force the door openuntil the joint is moved off center either by compressed air or FIG.
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
