Spur and bevel gearing; a treatise on the principles, dimensions, calculation, design and strength of spur and bevel gearing, together with chapters on special tooth forms and methods of cutting gear teeth (1914)
New York, The Industrial press; [etc., etc.] · leaf 311
two helices, and the line XY, be taken as thethree directrices of a warped surface. The result will be a righthelicoid, all elements of which will be perpendicular to XY. Oneof these elements is evidently if. This helicoid is tangent tothe hyperboloid all along the element if (since three…
Gearing
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