A handbook on the teeth of gears, their curves, properties, and practical construction (1887)
Grant, George B. (George Barnard), 1849-1917 · [Boston] · leaf 43
The odontoid Semicircular teeth For an example of a curve that is not anodontoid, although it is often treated as such,the semicircular teeth of the rack of Fig. 6form enveloping teeth on the pinion whichare circles of the same radius. All the nor-mals to the circle intersect the pitch line atWhen…
Gearing
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