Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in construcive and operative mechinery and the mechanical arts, being practically a mechanical dictionary (1917)
Hiscox, Gardner Dexter, 1822?-1908 · New York : The Norman W. Henley publishing co. · leaf 42
TRANSMISSION OF POWER. 35 … 91. SHIFTING DEVICE FOR CONEPULLEYS.—Made efficient by a division 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 widththan with…
Mechanical movements
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