Grant, George B. (George Barnard), 1849-1917 · Boston, Grant gear works, incorporated · leaf 70
teresting but not particularlyimportant branch of odontics. Such pitch lines are largely used for producing variationsof speed and power, but have no other prac-tical applications. 127.—THE IRREGULAR PITCH LINE. The most general case is that of two indefi-nite irregular curves rolling together.… … irregular pitch;, lines Fig, 107. 128.—PITCH LINES ON FIXED CENTERS. When we attach the condition that the twopitch lines shall revolve in rolling contact onfixed centers, we have a definite problem ofmore interest and importance than that of thefree pitch line. If, as in Fig. 108, we have a pitch…
Gearing
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