Mechanical movements, powers, devices and appliances; (1903)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The N.W. Henley & co. · leaf 311
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. T2i6. COAL-LOAD-ING TIPPLE and sort-ing screens for loadingcars. The screens areinclined at the slidingangle… … 1217. OTIS STOP for elevator cars. B,car frame sliding on the ratchet posts A, A;d, d are the stop-dogs operated by bell-cranklevers to thrust the dogs into the ratchets on therelease of the eye bar b^ by a break in the ropeor hoisting machine. The spring c quickens theoperation of throwing out the…
Mechanical movements
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