公开(公告)号：US20210395054A1

公开(公告)日：2021-12-23

申请号：US17446948

申请日：2021-09-03

Applicant: Dana Motion Systems Italia S.R.L.

Inventor： Alessandro VIGHI ,  Giovanni MARIECH ,  Orazio AMATUCCI ,  Sergio ARTIOLI ,  Fabrizio FEDERICI

IPC: B66D1/22

Abstract: A drum and ring gear assembly for winches with geared transmission which comprises a substantially cylindrical drum adapted to be actuated rotationally about its own longitudinal axis and a ring gear accommodated substantially coaxially inside the drum, which are mutually associated so as to rotate integrally about the longitudinal axis by virtue of connecting means; the connecting means is of the positive and/or direct friction type.