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公开(公告)号:US20240295853A1
公开(公告)日:2024-09-05
申请号:US18661843
申请日:2024-05-13
申请人: ROLEX SA
发明人: Vannina Linck
CPC分类号: G04B1/16 , G04B13/02 , G04B13/022 , G04B15/14 , G04B17/063 , G04B17/34 , G04B31/06
摘要: A timepiece shaft (1), especially a balance shaft (1), comprising a first functional portion (2a; 2b) including at least one part (221a; 221b) of a pivot-shank (22a; 22b) and/or at least one part (211a; 211b) of a pivot (21a; 21b), the first functional portion being made of ceramic and a first outer diameter (D1) of the first functional portion being less than 0.5 mm, or less than 0.4 mm, or less than 0.2 mm, or less than 0.1 mm.
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公开(公告)号:US11982977B2
公开(公告)日:2024-05-14
申请号:US17877578
申请日:2022-07-29
申请人: ROLEX SA
发明人: Vannina Linck
CPC分类号: G04B1/16 , G04B13/02 , G04B13/022 , G04B15/14 , G04B17/063 , G04B17/34 , G04B31/06
摘要: The method of manufacturing a timepiece shaft (1) includes grinding a ceramic piece, especially to form a balance shaft (1), having a functional portion (2a; 2b) including at least one part (221a; 221b) of a pivot-shank (22a; 22b) and/or at least one part (211a; 211b) of a pivot (21a; 21b), the first functional portion being made of ceramic and a first outer diameter (D1) of the first functional portion being less than 0.5 mm, or less than 0.4 mm, or less than 0.2 mm, or less than 0.1 mm.
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公开(公告)号:US20220373977A1
公开(公告)日:2022-11-24
申请号:US17877578
申请日:2022-07-29
申请人: ROLEX SA
发明人: Vannina Linck
摘要: The method of manufacturing a timepiece shaft (1) includes grinding a ceramic piece, especially to form a balance shaft (1), having a functional portion (2a; 2b) including at least one part (221a; 221b) of a pivot-shank (22a; 22b) and/or at least one part (211a; 211b) of a pivot (21a; 21b), the first functional portion being made of ceramic and a first outer diameter (D1) of the first functional portion being less than 0.5 mm, or less than 0.4 mm, or less than 0.2 mm, or less than 0.1 mm.
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公开(公告)号:US20220291634A1
公开(公告)日:2022-09-15
申请号:US17634018
申请日:2020-08-12
申请人: ROLEX SA
摘要: A method for manufacturing a pivot bearing (1) for the pivoting of a timepiece component (2), in particular a pivot stone, includes:—boring (E1) a hole (10a) in a bearing blank (1a) along an axis (A1) intended for the pivoting of a timepiece component (2), this hole (10a) forming a start point (13a) of a first pivot zone (13) of the bearing (1), then—laser engraving (E2), in the blank (1a), in particular using a femtosecond laser, a second clearance zone (14) of the bearing (1), juxtaposed with the start point (13a) of a first pivot zone (13), this second clearance zone (14) of the bearing (1) opening at a first face (11a) of the bearing (1) blank (1a), then—removing material by wear (E3), in particular by olive-cutting, at the start point (13a) of the first pivot zone (13) of the bearing (1) and a boundary zone (14a) between the start point (13a) and the second clearance zone (14) of the bearing (1) in order to form a first pivot zone (13) and a second clearance zone (14) that are juxtaposed, connected to each other by a rounded connection.
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公开(公告)号:US11144011B2
公开(公告)日:2021-10-12
申请号:US15667718
申请日:2017-08-03
申请人: ROLEX SA
摘要: 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.
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公开(公告)号:US20180046141A1
公开(公告)日:2018-02-15
申请号:US15667718
申请日:2017-08-03
申请人: ROLEX SA
CPC分类号: G04B3/006 , G04B5/00 , G04B7/00 , G04B11/024 , G04B13/026 , G04B27/04
摘要: 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.
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公开(公告)号:US20170357213A1
公开(公告)日:2017-12-14
申请号:US15618859
申请日:2017-06-09
申请人: ROLEX SA
发明人: Vannina Linck
IPC分类号: G04B17/34
CPC分类号: G04B17/34 , G04B1/16 , G04B13/026 , G04B15/14
摘要: A timepiece shaft (1), especially a balance shaft (1), comprising a first functional portion (2a; 2b) including at least one part (221a, 221b) of a pivot-shank (22a; 22b) and/or at least one part (211a, 211b) of a pivot (21a, 21b), the first functional portion being made of ceramic and a first outer diameter (D1) of the first functional portion being less than 0.5 mm, or less than 0.4 mm, or less than 0.2 mm, or less than 0.1 mm
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