An upper spreader guide device (10) includes a pair of left and right boom-side guide parts (30) each supported by a boom (60) so as to be arranged in a raised attitude of rising diagonally upward from the boom (60) in a state where the boom (60) is arranged in a lowered attitude, and a pair of left and right movable guide parts (40) supported by the pair of boom-side guide parts (30), respectively, such that a relative position with respect to the pair of boom-side guide parts (30) is changeable between a protruding position and a retraction position.
UPPER SPREADER GUIDE DEVICE
FÜHRUNGSVORRICHTUNG FÜR OBEREN SPREIZER
DISPOSITIF DE GUIDAGE D'ÉPANDEUR SUPÉRIEUR
2024-05-29
Patent
Electronic Resource
English
IPC: | B66C Krane , CRANES |