Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B66
HOISTING; LIFTING; HAULING
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B66C
CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
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23/00
Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
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B66C23/06
with jibs mounted for jibbing or luffing movements
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B66C23/08
and adapted to move the loads in predetermined paths
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B66C23/10
the paths being substantially horizontal; Level-luffing jib-cranes
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B66C23/14
with means, e.g. pantograph arrangements, for varying jib configuration
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