Mechanical movements, powers, devices and appliances (1901)
Hiscox, Gardner Dexter, 1822?-1908 · New York, N. W. Henley & company · leaf 310
1212. STRAP BRAKE, used on hoistingdrums and wheels. The strap is usually made ofa steel band with its ends jointed to a lever. 1213. ELEVATOR TOWER with inclinedboom. The bucket is lifted to the trolley bythe double tackle, drawn up the incline, andthe load dumped automatically into a car. 1214.… … 1215. MAST AND GAFF HOIST,for unloading coal barges to an elevatedtrack. A portable boiler and steam hoistor an electric motor hoist, with occasionallya horse pull, are the motive powers. 1216. COAL-LOAD-ING TIPPLE and sort-ing screens for loadingcars. The screens areinclined at the slidingangle…
Mechanical movements
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