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A treatise on gear wheels (1904)

Grant, George B. (George Barnard), 1849-1917 · Boston, Grant gear works, incorporated · leaf 39

An illustration from A treatise on gear wheels, 1904, leaf 39
or the assumption has everbeen given, that the minimum numbers ofteeth occur when the tooth of one of thegears. Fig. 53, is pointed at the interferencepoint J, and at the same time has passedover an arc of recess 0 a that is a given partof the whole pitch arc a a. The solution is simple enough,… … Fig. 5S„ a definite arc of recess, and the condition on Involute Efficie7icy. 37 ^hich the problem is based is unwarranted.No real limit is reached, and the matter isnot worth examination at any length. Theproblem is investigated, for both bevel and spur gears, in either external or internal…

Gearing

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