Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 47
96. TWO SPEED PULLEYS AND BELTS. —Two pair of tight and loose pulleys on lowershaft, unequal broad tight pulleys on upper shaft.By crossing the belt from one of the pair a quickreturn speed may be obtained. Much used j3ntapping-machines and planers. … 97. PULLEYS, COMBINED WITH A DIF-FERENTIAL GEAR for two speeds, and stop-beltshown on loose pulley. Middle pulley on lowershaft is fast to shaft, and has a bevel gear fast to itshub. Pulley on the right is loose on shaft and car-ries, transversely, another bevel gear. A third bevelgear runs loose…
Mechanical movements
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