. Electric locking . 3:;::^. C^^ FIG. 71. FIG. 70. projection J into the path of the tooth Q. In further re-versing the lever, the tooth Q comes in contact with a similarprojection on the cam N and causes it to revolve into the hori-zontal position (shown dotted in Fig. 71), thus forcing dog Punder and locking L in its horizontal position. In moving tothe reverse indication position, the cam N is revolved into theposition shown by full lines (Fig. 71) and the lever is stopped atprojection J, further movement being prevented until the indi-cation current is received. The indication current flow
. Electric locking . 3:;::^. C^^ FIG. 71. FIG. 70. projection J into the path of the tooth Q. In further re-versing the lever, the tooth Q comes in contact with a similarprojection on the cam N and causes it to revolve into the hori-zontal position (shown dotted in Fig. 71), thus forcing dog Punder and locking L in its horizontal position. In moving tothe reverse indication position, the cam N is revolved into theposition shown by full lines (Fig. 71) and the lever is stopped atprojection J, further movement being prevented until the indi-cation current is received. The indication current flowingthrough magnet I, thereby lifting armature T, causes 75 ELECTRIC LOCKING plunger R to strike dog P and throw it out from under latchL. The latch being thus released will resume the positionshown in Fig. 70 and permit completing the stroke of the stroke from normal to reverse is accomplished in the sameway. The Hall Scheme of Indication. In this system an alter-nating current of 110 volts flows from the tower to
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Keywords: ., bookcentury1900, bookdecade1910, bookidcu31, booksubjectrailroads
