. The street railway review . PLAN AND ELEVATION OK ARMATURE TRUCK. coils, and the other part of the room containing the apparatus forthe assembling and finishing of the armatures and the apparatusfor testing. The company ues a large variety of equipments, whichrequires the use of a great many different coil formers, and inconnection with all of the winding machines there is used a clutchmechanism which greatly facilitates the work of winding both thefield and armature coils and of putting the bands on the assembledarmatures. This device consists of a worm gear belted to the lineshaft, between
. The street railway review . PLAN AND ELEVATION OK ARMATURE TRUCK. coils, and the other part of the room containing the apparatus forthe assembling and finishing of the armatures and the apparatusfor testing. The company ues a large variety of equipments, whichrequires the use of a great many different coil formers, and inconnection with all of the winding machines there is used a clutchmechanism which greatly facilitates the work of winding both thefield and armature coils and of putting the bands on the assembledarmatures. This device consists of a worm gear belted to the lineshaft, between which is a friction clutch which is manipulated bythe foot. The worm gear which drives the coil formers is bronghlinto play by simply pressing a treadle which throws the clutch intoaction. .\s the reduction in speed of the worm gear is very large,the coil formers can be rotated as much or as little as desirable,a motion of an inch or two being readily made by simply touchingthe treadle for a moment. Tho device is extremely c
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
