. Electric railway journal . drying sandfalls to dry-sand bins underneath the screen, and the coarsematerial rolls to the foot of the sloped dryer bed, where itis deposited in another bin after all the fine sand has passedthrough the screen. Another novel feature in connection with the car sand-drying plant is the method of distributing it for use on the cars. A supply of car sand is available at several points onthe property, and in order to reduce the cost of handling toa minimum it is shoveled into old cement sacks at the dryerand delivered to the supply points. After the sacks havebeen emp
. Electric railway journal . drying sandfalls to dry-sand bins underneath the screen, and the coarsematerial rolls to the foot of the sloped dryer bed, where itis deposited in another bin after all the fine sand has passedthrough the screen. Another novel feature in connection with the car sand-drying plant is the method of distributing it for use on the cars. A supply of car sand is available at several points onthe property, and in order to reduce the cost of handling toa minimum it is shoveled into old cement sacks at the dryerand delivered to the supply points. After the sacks havebeen emptied directly into the sand boxes on the cars theyare returned to the dryer for refilling. HARP WITH SPRING AND KNUCKLE JOINT FORRETAINING TROLLEY WHEEL The accompanying illustrations disclose the constructionof a new type of harp, aptly termed the Neveroff andmade by the Special Electric Company, Chester, Pa., inwhich a spiral spring is used to force the trolley wheelagainst the wire before the pole has had time to recover. Views of Harp with Spring and Knuckle Joint from the downward movement caused by striking some ob-struction. A detailed description follows: From the bifurcated end of the harp there is pivoteda forked member which supports the trolley wheel. Asshown, a pivot pin passes through the ears, the latter beingcut away at the bottom to allow them to adjust themselvesto the end portions of the support. The ears are providedwith elongated slots, as shown in the side elevation, to re-ceive the transverse pin. The spiral spring is interposedbetween a plate and the end of the bolt which passes throughan aperture in the plate. The right-hand view shows theharp in its normal position with respect to the trolley the wheel meet with an obstruction it willbe kept in place by the release action of the spiral spring-in the harp and by the tension spring at the base of thepole. As this occurs, the harp assumes the position shownin the middle view, thus keeping the
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Keywords: ., bookcentury1900, bookdecade1900, bookidelectricrailway411913newy
