. American engineer and railroad journal . BOLTS. proper shape, which is secured to the shear head. These cuttersare 2^ in. in length and are set apart the proper distance forthe squares desired. Of course, the length of the square can beanything desired up to the length of the cutters. On the lowerplate of the shear is a holder for steadying the bolt during theoperation, which is provided with two styles of support, one forcutting the first two faces, which is hollowed out to fit theround part of the bolt, and the other flat on top to insure the spring which holds the head in place tends to k
. American engineer and railroad journal . BOLTS. proper shape, which is secured to the shear head. These cuttersare 2^ in. in length and are set apart the proper distance forthe squares desired. Of course, the length of the square can beanything desired up to the length of the cutters. On the lowerplate of the shear is a holder for steadying the bolt during theoperation, which is provided with two styles of support, one forcutting the first two faces, which is hollowed out to fit theround part of the bolt, and the other flat on top to insure the spring which holds the head in place tends to keep it head includes the trough guide which has a horizontal facefor a short distance, then inclines at an angle of 45 degs. out-ward, the perspective view showing this arrangement veryclearly. The whole apparatus, except the heads, is rigid, being sup-ported by a hanger from the coupler shank and all vertical orlateral motion is taken up by the ball joints of the head. 39S AMERICAN ENGINEER AND RAILROAD JOURNAL. October, 1910. DROP BOTTOM GONDOLA CAR WITH A NEW ALL STEEL TRUCK, DROP BOTTOM GONDOLA CAR WITH A NEW CASTSTEEL TRUCK. The Western Steel Car & Foundry Co. has recently completedfor the Gilmore & Pittsburgh one hundred 50-ton compositegondola cars of the general service type. These cars have asingle center sill with a trussed side frame built up of standardsections for the tension and special sections for the compressionmembers. The floor consists of 10 drop doors covering the fulllength of the car and arranged to discharge the load at thesides. The doors on either side may be operated independentlyand it requires but three or four minutes to discharge the whol:load and close the doors. The ends are arranged to drop in-ward, so that the car can be used for loading long material. Under these cars a truck is used which, in addition to havinga cast steel side frame and bolster, has also cast steel journalboxes and a cast steel spring plank. The truck frame cont
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
