. The Street railway journal . FIG. 9.—END VIEW OF TRUCK one of the hollow pins on the end of the armature shaft, andillustrated in Fig. i. Each pin is surrounded by a springplaced between the outer circumference of the pin and theinner circumference of the pocket, as shown in Fig. 5. Thisspring is arranged so as to tend to hold the pin concentricwith the pocket, and it resists yieldingly to any gravitationalor torsional force for a total movement of ^ in. The springis of unusual form; its turns are progressively an end view of the spring would show an inner radiusand an outer r
. The Street railway journal . FIG. 9.—END VIEW OF TRUCK one of the hollow pins on the end of the armature shaft, andillustrated in Fig. i. Each pin is surrounded by a springplaced between the outer circumference of the pin and theinner circumference of the pocket, as shown in Fig. 5. Thisspring is arranged so as to tend to hold the pin concentricwith the pocket, and it resists yieldingly to any gravitationalor torsional force for a total movement of ^ in. The springis of unusual form; its turns are progressively an end view of the spring would show an inner radiusand an outer radius differing from each other by ^ in. great- FIG. 8.—SIDE VIEW OF TRUCK expected that they will withstand the most severe wear andwill last indefinitely. They are capable of sustaining thewhole weight of the motor, but they will normally be usedsolely for the torque to the drivers. Each pincontains a hollow space, in which is placed an additionalpocket, which serves for receiving the end thrust of the moto
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
