. American engineer and railroad journal . tor pinion. Either one is thrown intoaction by a friction clutch operated bythe lever shown below on the other interesting features of this uni-versal drill are in no way interfered with,the most noticeable effect of the changebeing the absence of the cone pulleys andbelts and the necessary accompanyingsupports, brackets, belt shifters, etc. In the upper engraving is shown themethod used by the Fosdick Company inapplying a constant-speed drive. Themachine shown is one of the 4-ft. plainFosdick radials, which has been equippedwith a c
. American engineer and railroad journal . tor pinion. Either one is thrown intoaction by a friction clutch operated bythe lever shown below on the other interesting features of this uni-versal drill are in no way interfered with,the most noticeable effect of the changebeing the absence of the cone pulleys andbelts and the necessary accompanyingsupports, brackets, belt shifters, etc. In the upper engraving is shown themethod used by the Fosdick Company inapplying a constant-speed drive. Themachine shown is one of the 4-ft. plainFosdick radials, which has been equippedwith a constant-speed, direct-cur-rent motor built by the Northern Manufacturing Company, This is a very convenient arrange-ment of adapting an individual drive toan existing tool without changing itgreatly, as the motor may easily bemounted to drive the lower cone pulleythrough a conveniently arranged gear re-duction. In this case the motor ismounted upon an extension of the base 342 AMERICAN ENGINEER AND RAILROAD JOURNAL. COMBINATION CHAIN AND BELTrD PRIVE UPON A 6-FT RADIAL DRILL.—POND MACHINE TOOL COMPANY,
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
