公开(公告)号：US11144011B2

公开(公告)日：2021-10-12

申请号：US15667718

申请日：2017-08-03

Applicant: ROLEX SA

Inventor： Sergio de Almeida Graça ,  Vannina Linck

IPC: G04B11/02 ,  G04B3/00 ,  G04B5/00 ,  G04B7/00 ,  G04B13/02 ,  G04B27/04

Abstract: A component of a winding device, in particular an automatic winding device, of a timepiece movement, wherein it is made of austenitic stainless steel and wherein it comprises at least one friction surface hardened by carbon or nitrogen type atoms introduced into the austenitic stainless steel over a predetermined depth.

公开(公告)号：US20180046141A1

公开(公告)日：2018-02-15

申请号：US15667718

申请日：2017-08-03

Applicant: ROLEX SA

Inventor： Sergio de Almeida Graça ,  Vannina Linck

IPC: G04B3/00 ,  G04B27/04 ,  G04B13/02

CPC classification number: G04B3/006 ,  G04B5/00 ,  G04B7/00 ,  G04B11/024 ,  G04B13/026 ,  G04B27/04

Abstract: A component of a winding device, in particular an automatic winding device, of a timepiece movement, wherein it is made of austenitic stainless steel and wherein it comprises at least one friction surface hardened by carbon or nitrogen type atoms introduced into the austenitic stainless steel over a predetermined depth.