An inner face (3S) of a flange (3) of a winch drum (1) is provided with a rope guide part (5) that guides a rope portion (R) in a higher layer such that the rope portion (R) in the higher layer crosses a rope portion (R) in a lower layer in a first crossing section (T1), and a ridge line (50) of the rope guide part (5) has a shape that is displaced in a winding rotation direction (D1) with respect to a baseline (C1) passing through a rotation axis (K) and an inner edge (50E) of the ridge line (50) as proceeding from the inner edge (50E) to an outer edge (50F).
WINCH DRUM AND CRANE PROVIDED THEREWITH
WINDENTROMMEL UND KRAN DAMIT
TAMBOUR DE TREUIL ET GRUE COMPRENANT CE DERNIER
2023-08-16
Patent
Electronic Resource
English
IPC: | B66D Haspeln , CAPSTANS |