An excavator has a grab bucket (7) provided with two shovels (8); a lifting device (10) for lowering and lifting the grab bucket (7); and a hydraulic drive device (9) provided with at least one actuator cylinder, which is designed to move the shovels (8) between an open position and a closed position, and is operated by a fluid under pressure supplied along at least one flexible pipe (14), which has at least six reinforcement layers (20) interposed between an inner tube (18) and an outer tube (19), and is provided with a plurality of intermediate layers (21), each of which is interposed between two adjacent reinforcement layers (20) so as to ensure the adhesion between the reinforcement layers (20).
GRAB BUCKET EXCAVATOR
BAGGER MIT GREIFER
PELLE EXCAVATRICE À BENNE PRENEUSE
2024-03-20
Patent
Elektronische Ressource
Englisch