Mechanical movements, powers, devices and appliances (1901)
Hiscox, Gardner Dexter, 1822?-1908 · New York, N. W. Henley & company · leaf 242
rm, or with a fixed rack; theworm, sliding over a feather-key shaft, will drive sliding nutsholding a hoisting car or platform. 908. ROTARY MOTION of worm gear froman ordinary screw, or when the screw has greatpitch, rotar)^ motion of the screw may be obtainedfrom the rotation of the worm-gear… … 234 GEARING.
Mechanical movements
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