EP 4033307 A1 20220727 - ASSEMBLY COMPRISING A ROTATING MOVING PART MADE OF NON-MAGNETIC MATERIAL AND A BEARING PROVIDED WITH A CONE
Title (en)
ASSEMBLY COMPRISING A ROTATING MOVING PART MADE OF NON-MAGNETIC MATERIAL AND A BEARING PROVIDED WITH A CONE
Title (de)
BAUGRUPPE MIT EINEM ROTIERENDEN BEWEGLICHEN KÖRPER AUS NICHTMAGNETISCHEM MATERIAL UND EINER MIT EINEM KONUS VERSEHENEN LAGERBUCHSE
Title (fr)
ENSEMBLE COMPRENANT UN MOBILE TOURNANT EN MATÉRIAU AMAGNÉTIQUE ET UN COUSSINET MUNI D'UN CÔNE
Publication
Application
Priority
EP 21152892 A 20210122
Abstract (en)
[origin: US2022235438A1] An assembly (10), in particular fora timepiece, including a rotary wheel and a bearing, like a jewel (20), the rotary wheel being provided with at least one pivot (17) including at least partly a non-magnetic material, preferably entirely, the bearing including a face (6) provided with a hole (8) formed in the body of the bearing and with a functional geometry at the entrance of the hole (8), wherein the functional geometry has the shape of a cone (12), and wherein the non-magnetic material of the pivot (17) includes an alloy to be chosen from materials containing copper, materials containing palladium or materials containing aluminium.
Abstract (fr)
L'invention concerne un ensemble (10), notamment pour une pièce d'horlogerie, comprenant un mobile tournant et un coussinet, telle une pierre (20), le mobile tournant étant muni d'au moins un pivot (17) comportant au moins en partie un matériau amagnétique, de préférence en totalité, le coussinet comportant une face (6) pourvue d'un trou (8) formé dans le corps du coussinet et d'une géométrie fonctionnelle à l'entrée du trou (8), caractérisée en ce que la géométrie fonctionnelle a une forme de cône (12), et en ce que le matériau amagnétique du pivot (17) comprend un alliage à choisir parmi des matériaux à base de cuivre, des matériaux à base de palladium ou des matériaux à base d'aluminium.
IPC 8 full level
G04B 31/008 (2006.01); G04B 13/02 (2006.01); G04B 43/00 (2006.01)
CPC (source: CN EP KR US)
C22C 5/04 (2013.01 - CN EP); C22C 5/06 (2013.01 - CN EP); C22C 5/08 (2013.01 - CN); C22C 21/06 (2013.01 - CN); C22C 21/08 (2013.01 - CN); C22C 21/10 (2013.01 - CN EP US); C22C 30/00 (2013.01 - EP); C22C 30/02 (2013.01 - CN US); G04B 13/02 (2013.01 - EP KR); G04B 31/004 (2013.01 - CN); G04B 31/008 (2013.01 - CN EP KR US); G04B 31/0082 (2013.01 - EP); G04B 31/06 (2013.01 - KR); G04B 31/08 (2013.01 - KR); G04B 43/007 (2013.01 - EP US)
Citation (search report)
- [XA] GB 655161 A 19510711 - LINDE AIR PROD CO
- [X] FR 1314364 A 19630111
- [A] CH 714370 A2 20190531 - MONTRES BREGUET SA [CH]
- [YA] EP 3594756 A1 20200115 - BLANCPAIN SA [CH]
- [A] CH 712762 A2 20180131 - NIVAROX FAR SA [CH]
- [YA] CH 715679 A2 20200630 - SWATCH GROUP RES & DEV LTD [CH]
- [YA] WO 2019145434 A1 20190801 - RICHEMONT INT SA [CH]
- [YA] GB 867211 A 19610503 - STRAUMANN INST AG
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 4033307 A1 20220727; CN 114815566 A 20220729; JP 2022113124 A 20220803; JP 2023153390 A 20231017; KR 20220106692 A 20220729; US 2022235438 A1 20220728
DOCDB simple family (application)
EP 21152892 A 20210122; CN 202210066173 A 20220120; JP 2022001390 A 20220107; JP 2023137273 A 20230825; KR 20220006057 A 20220114; US 202117646317 A 20211229