Beale, Oscar James, Brown & Sharpe Manufacturing Company (Providence, R.I.) · Providence, R.I. : Brown & Sharpe Mfg. Co. · leaf 74
26, 27 and 28, when worm is in rightposition at the start, the life-time of Fig. 26, underheavy and continuous work, will be the longest. Fig 27 can be run in mesh with a gear or a rack aswell as with a worm when made within the angular limitscommonly required. Strictly, neither two gears made in… … E^ig, 34. Worm-wheel with teeth eut in a straight path diagonally across face.Worm is double-threaded. 56 BROWN & SHARPE MFG. CO.
Gearing
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