hange fromfast to slow speed or vice versa being controlled by simply shift-ing the crank shaft endwise. The load is lowered by simply turning the handles back-ward which releases the friction discs and as noon as the back-ward motion of the handles ntopn the dincn again become engagedand the load… … 8 chain. THF, DESIGN. Before beginning the design,I examined the foundry in whichthe crane was to be located and took, such measurements as wereessential in determining the principle dimensions. The crane isto be placed near the north wall so as to occurp as little roomas possible and not to be in…
Cranes, derricks, etc · Theses
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