Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 859
r these conditions, it is clear that if the rotative motion of the cone mAcbe communicatedby teeth to the cone c A r by their contact action, the teeth being generated by the describing cone a Ac,the motion will be the same as that produced by the rolling contact of the conical surfaces, for at… … In practice the portion of spherical surfaces occupied by these arcs, when employed as teeth, arenarrow belts of the cones extending only a small distance within the circle of the bases, and thereforecones tangent to the sphere along cm and cr may be substituted for the sphere itself…
Mechanical engineering
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