Grant, George B. (George Barnard), 1849-1917 · Boston, Grant gear works, incorporated · leaf 59
Fig, 89Spiral Spur Gears … EqualGears JElig. 90 twice the spiral angle. See also Fig. 90.The statement that like spiral gears will notrun together is founded on the Willis theoryof spiral gear contact, and is wrong. 111.—SPIRAL WORM AND GEAR. When the shafts are at right angles, andthe angle on one is so great that it is a…
Gearing
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