. Railway mechanical engineer . crew to permit work to drop throughto the floor when pressed out. These cored holes permit thepressing of pieces on or off long shafts. The two uprightposts are more than strong enough to withstand any loadthat can be applied with the screw. A pad fits on tiie endof the screw and the thrust is taken on a hardened steeland bronze washer which sets in oil. The hand wheel onthe end of the screw is fitted with a handle so that thescrew can be returned quickly. By using a 4-ft. bar in thehand wheel, a pressure of 20 to 25 tons can be secured. This press is made in tw
. Railway mechanical engineer . crew to permit work to drop throughto the floor when pressed out. These cored holes permit thepressing of pieces on or off long shafts. The two uprightposts are more than strong enough to withstand any loadthat can be applied with the screw. A pad fits on tiie endof the screw and the thrust is taken on a hardened steeland bronze washer which sets in oil. The hand wheel onthe end of the screw is fitted with a handle so that thescrew can be returned quickly. By using a 4-ft. bar in thehand wheel, a pressure of 20 to 25 tons can be secured. This press is made in two sizes, No. .5 and No. 3^^,each being provided with a 2 in. screw with ^ in. No. 3 press measures 12-54 n. between posts and 14 the screw pad, the overall length being 4 ft. and theheight from the screw down 42 in. Tlie No. 3^:^ measures1734 in- between the posts and 20 in. under the screw overall length is 4 ft. and height from the screw down48 in. The presses weigh 700 lb. and 800 lb. utility Screw Press for Shop Work Safety \\>ench for Opening Car Hoppers IN releasing the drop doors of freight cars, there is oftenconsiderable danger of personal injury. \\hen thelatch holding the door is released, the load comes on theoperating wrench and it ma\- lie torn from the grasp of
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroadengineering
