Grant, George B. (George Barnard), 1849-1917 · Boston, Grant gear works, incorporated · leaf 54
o do with the theoretical action ofthe stepped gear as a whole, and thereforewe can have them as thin as required. If thethickness is infinitesimal the componentcharacter of the gear is not apparent, and itis known as a twisted gear. Fig. 84. When the teeth are twisted there may al-ways be one or… … Xw.iated arrangement Fig. 84, 52 Twisted Teeth, the twisted arrangement tends to distributethe errors so that they are not as noticeable.The obhque action of twisted teeth tendsto produce a longitudinal motion of thegears upon their shafts, which must beguarded against. This end thrust may…
Gearing
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