Title:
DEVICE FOR WINDING TIMEPIECE MOVEMENT
Document Type and Number:
Japanese Patent JP2018066721
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an improved solution for a winding device, in particular an automatic winding device, of a timepiece movement.SOLUTION: A winding device, in particular an automatic winding device, of a timepiece movement comprises two metal components that cooperate through an interface that is subjected to friction, and includes at least one austenitic stainless steel component, comprising at least one friction surface hardened by carbon or nitrogen type atoms introduced into the austenitic stainless steel over a predetermined depth.SELECTED DRAWING: Figure 2
Inventors:
SERGIO DE ALMEIDA GRACA
VANNINA LINCK
VANNINA LINCK
Application Number:
JP2017147492A
Publication Date:
April 26, 2018
Filing Date:
July 31, 2017
Export Citation:
Assignee:
ROLEX SA
International Classes:
G04B7/00
Domestic Patent References:
| JP2003214526A | 2003-07-30 | |||
| JP2004301636A | 2004-10-28 | |||
| JP2014137376A | 2014-07-28 | |||
| JP2005241374A | 2005-09-08 | |||
| JP2001073110A | 2001-03-21 | |||
| JP2002323114A | 2002-11-08 | |||
| JP2002311161A | 2002-10-23 | |||
| JP2002266078A | 2002-09-18 |
Foreign References:
| DE102009005357A1 | 2010-08-05 | |||
| US20080304371A1 | 2008-12-11 | |||
| US20020114225A1 | 2002-08-22 |
Attorney, Agent or Firm:
Patent Business Corporation Daiichi International Patent Office