Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics (1892)
Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 67
are always kept in place by tlie guides. The Detroit Sure-Grip Tackle-Block is shown in Fig. .3. The brake which will hold theload at any point is sim[ily a wedge that drops by gravity between the upper sheaves. Thefjice of the wedge is fluted to the curve of the rope. The block is made of steel.…
Mechanical engineering
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