Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 232
on and portion in solid linesshow the coupling completed. The knuckle B represents a pinion with two teethB B^ and the drawhead A and tooth or nose, B^, ofthe other coupler representing the rack. When thecouplers are brought together the teeth engage eachother, the hub revolves, and the long tooth… … 216 MECHANICS. The uncoupling is effected by throwing over a platform lever, which in turn forcesaround the coupler lever D and catch C, allowing the tooth B to revolve outward. VALVE MOTION. To establish the reciprocating motions of the piston, valves must be moved so as toalternately let the…
Mechanical drawing
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