Dunkerley, Stanley, 1870- · London, New York [etc.] Longmans, Green · leaf 302
ack are straight linesinclined, usually, at an angle of 75° with the pitch line of the rack (Fig. 323). § 181. Pin Wheels.—Ifthe rolling circle be equalin diameter to the pitchcircle, the hypocycloids become points, and the faces of the secondwheel become epicycloids formed by the first pitch… … B znvoliUe str. line Fig. 323. 292 MECHANISM. the epicycloids, at a distance from them equal to the radius ofthe pin (Fig. 324). The number of pins on the pin wheel will depend on the height of thetooth on the second wheel,and the latter in turn wUldepend on the length of theParaZUlsto \ \,^^ j ^^…
Machinery, Kinematics of
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