Mechanical movements, powers, devices and appliances (1901)
Hiscox, Gardner Dexter, 1822?-1908 · New York, N. W. Henley & company · leaf 44
90. CURVED CONE PULLEYS, for variably mcreasing or decreasing speed by traversing the belt. TRANSMISSION OF POWER. 35 … Patent 91. SHIFTING DEVICE FOR CONEPULLEYS.—Made efficient by a divisipn ofthe proper belt width into a number of nar-row belts, kept in place by webs on the belttighteners, which are moved forward and back-ward by a carrier nut and screw shaft. Thisarrangement gives more power for a given…
Mechanical movements
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