Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 246
916. WORM-GEAR PINION to drive an inter-nal spur-gear wheel. … 917. ANTI-FRICTION WORM GEAR.—The worm-wheel bearings are on frictionrollers running on pins. 918. RELEASE ROTARY MOTION.—A wormwheel B, fast on a shaft to which is attached a loose armand weight D, that carries the arm quickly over a half-turn, more or less, as required. The worm wheel liftsthe…
Mechanical movements
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