Cyclopedia of mechanical engineering; a general reference work. Editor-in-chief Howard Monroe Raymond. Assisted by a corps of mechanical engineers, technical experts, and designers of the highest professional standing (1908)
American School (Chicago, Ill.), Raymond, Howard Monroe · Chicago American Technical Society · leaf 409
Annular Gears. An annular gear is a ring with teeth on itsinside edge. Fig. 62 shows such a gear with center at A, mesh-ing with a small spur gear called the pinion. Rack and Pinion. A rack is a gear whose pitch line is astraight line instead of a circle. Fig. 63 shows an epicycloidalrack in gear… … Fig. G.3. 366 MECHANISM. 59 Bevel Gears. IVTien two shafts whose axes intersect are tohe fuiinected l)y gears, the gears commonly used are called bevelgears. The theoretically correct pitch surface of a bevel gear is a])art of the sector of a sphere, but as the designing and makingof such a gear is…
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