Hetzel, Frederic Valerius, 1870- · New York, J. Wiley and Sons · leaf 306
ith consequent injury to the belt itself. It is often convenient to feed an elevator from the back or side to savedepth of pit and height and length of feed chutes. When the material is insmall pieces this is permissible, but it is dangerous to handle hard andlumpy material in this way. Where the… … SIZE OF FOOT PULLEYS 289 the most active flow of material is at the back where the buckets godown. Size of Foot Pulleys.—It is acommon mistake to make these pulleys toosmall. The object may Joe to saVe* space, or toavoid a few inches greater depth of pit, or tosave something in the price of a boot.…
Conveying machinery · Hoisting machinery · Belts and belting
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