A handbook on the teeth of gears, their curves, properties, and practical construction (1890)
Grant, George B. (George Barnard), 1849-1917 · Lexington, Mass., Lexington Gear Works · leaf 45
THE GEAR TOOTH CURVE. O Q If - is given, we can assume a value for cos V ^ successive positions of the point of contact of an odontoid with the mating odontoid, P O As each normal, P K^ Fig. 19, comes to -^^^thatwillsatisfytherequirement,sothat ^^^ ^^^^^ p^^^^ ^^ ^^^ p^^^^ ^^ ^^^^^^^ p it is always… … Fig. 18 Cases of interference Internal gears may interfere from othercauses, an odontoid from one crossing anodontoid from the other if the center distanceis too small. For example, if the tooth of thepinion of Fig. 16 is cut down to the pitchline to avoid the ordinary interference, theymay still…
Gearing
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