Beale, Oscar James, Brown & Sharpe Manufacturing Company (Providence, R.I.) · Providence, R.I. : Brown & Sharpe Mfg. Co. · leaf 69
ig. 21.sized by the same rule as given for Fig. 19. The wheeland worm are sectioned to show shape of teeth at themid-plane of wheel. The flanks of teeth are undercutby the hob. The worm-thread does not have a goodbearing on flanks inside of A, the bearing being that ofa corner against a surface. In… … ITig. ^1. tHOVlDENCE, K. I. 51 9\^^ f %^C
Gearing
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