Railway and Locomotive Engineering . utive committeehere is headed by Mr. Otto T. Bannardand Mr. Waldo H. Marshall. Lighting. One bad accident costs more than agood light system, and no bad reflectionsafterwards. 420 RAILWAY AND LOCOMOTIVE ENGINEERING. December, 1916. Adjustable Crosshead Shoes Important Improvement in Their Construction and Easy Method of Keeping Them in a Continuous Perfect Fit A marked improvement on the methodof adjusting crosshead shoes has justbeen perfected and a patent has been is-sued to Mr. Charles Markcl. locomotiveinspector on the Chicago & North WesternRailway on
Railway and Locomotive Engineering . utive committeehere is headed by Mr. Otto T. Bannardand Mr. Waldo H. Marshall. Lighting. One bad accident costs more than agood light system, and no bad reflectionsafterwards. 420 RAILWAY AND LOCOMOTIVE ENGINEERING. December, 1916. Adjustable Crosshead Shoes Important Improvement in Their Construction and Easy Method of Keeping Them in a Continuous Perfect Fit A marked improvement on the methodof adjusting crosshead shoes has justbeen perfected and a patent has been is-sued to Mr. Charles Markcl. locomotiveinspector on the Chicago & North WesternRailway on the same, and the device bidsfair to come rapidly into popular use. Ithas already become the standard metlmcl a lotlicr. IIktc Is also a saving in thenumber of the bolts, as only two are usedin each shoe while in the old style fromfour to six were required. Another ad-vantage consists in having a duplicateshoe, which is impossible with fittedbolts, and as the new liolts are not fittedtr> till biiU-i it cm 111 readily seen how. CLIWTON, lA . on the railroad referred to, and is in useon 100 of their modern passenger andfreight engines. They are also convert-ing their old crossheads to the newmethod as they pass through the shops. The usual method of holding shoes tocrosshead is by reamed holes and fittedbolts, and after from four to eightmonths of service the crosshead has tobe removed from engine and holesreamed and new bolts applied at consid-erable expense and loss of from eight toten hours time of engine. After aboutsix rcamings of bolt holes the holes areso large that they have to be welded upand re-drilled to the standard size. .?\s shown in the first accompanyingdrawing, the new design of crossheadshoe fastening is by tightening the nutson two Imlts which grip andpull the shoe to all bearing is caused by the action of l)cvcl fitsin place of straight fits, as has alwaysl>een used, and no amount of tension onnuts will tighten the shoes when th
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