. American engineer and railroad journal . New Engine Lathe-Springfield Machine Tool Section Showing Change Cear IDEAL ENGINE LATHE. With Rapid Gear Changing Attachment. Among the interesting features of this new lathe, built bythe Springfield Machine Tool Company, of Springfield, Ohio, isan attachment whereby any enange gear may be substitutedfor any other driving the lead screw without unscrewing bind-ing nuts or touching £he gears. The change gears are mounted in a gear box, shown at the left-hand side of the large engraving, the intermediate andhead stock spindle ge
. American engineer and railroad journal . New Engine Lathe-Springfield Machine Tool Section Showing Change Cear IDEAL ENGINE LATHE. With Rapid Gear Changing Attachment. Among the interesting features of this new lathe, built bythe Springfield Machine Tool Company, of Springfield, Ohio, isan attachment whereby any enange gear may be substitutedfor any other driving the lead screw without unscrewing bind-ing nuts or touching £he gears. The change gears are mounted in a gear box, shown at the left-hand side of the large engraving, the intermediate andhead stock spindle gears being those ordinarily used. Thecover of the gear box is rotated about a central stud, and thegears are carried on the inside of the cover, arranged in acircle concentric with the case, and this circle brings thechange gears opposite the end of the lead screw by revolvingthe cover of the case. The small clutch. C. moves a telescopic■extension of the lead screw and enters it into a hole in thechange gear before the driving clutches between the changegear and the extension come into c
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
