Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
Load children
B66
HOISTING; LIFTING; HAULING
Load children
B66B
ELEVATORS; ESCALATORS OR MOVING WALKWAYS
Load children
B66B17/14
Applications of loading and unloading equipment
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B66B17/16
for loading and unloading mining-hoist cars or cages
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B66B17/20
by moving vehicles into, or out of, the cars or cages
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