EP 2154582 A1 20100217 - Gear method for a clock piece
Title (en)
Gear method for a clock piece
Title (de)
Verzahnungverfahren für Uhrwerk
Title (fr)
Procédé d'engrenage pour pièce d'horlogerie
Publication
Application
Priority
EP 08162475 A 20080815
Abstract (en)
The system (1) has a drive pinion (5) and a sprocket (7) mounted coaxially with respect to a pivoting axle (3). An attachment device (21) is placed between the pinion and the sprocket to avoid relative displacement of the sprocket with respect to the pinion. The device includes a footprint (23) having shape corresponding to a section of the pinion. The axle and the pinion are made of metallic material, where the system is made of silicon-metal, and the sprocket is made of microusable material selected from a group consisting of crystalline silicon, crystalline alumina and crystalline silica. An independent claim is also included for a method for fabrication of a watch element i.e. sprocket, made up of microusable material.
Abstract (fr)
L'invention se rapporte à un système comprenant un pignon (5) et une roue dentée (7) montés coaxialement par rapport à un axe pivotant (3). Selon l'invention, le système d'engrenage (1) comporte un dispositif d'attache (21) entre ledit pignon et ladite roue afin d'éviter le déplacement relatif de l'un par rapport à l'autre. L'invention se rapporte également aux procédés de fabrication de la roue dentée (7) et de montage final dudit système d'engrenage (1). L'invention concerne le domaine des pièces d'horlogerie.
IPC 8 full level
G04B 13/02 (2006.01); B81C 1/00 (2006.01); G04D 3/00 (2006.01)
CPC (source: EP KR US)
G04B 13/02 (2013.01 - EP US); G04B 13/026 (2024.01 - KR); G04D 3/0069 (2013.01 - EP KR US)
Citation (search report)
- [XA] EP 1705533 A1 20060927 - PATEK PHILIPPE SA [CH]
- [XA] CH 694465 A5 20050131 - PREC ENGINEERING AG [CH]
- [XA] JP S59135385 A 19840803 - SUWA SEIKOSHA KK
- [A] JP S61253488 A 19861111 - SEIKO EPSON CORP
- [A] EP 1835050 A1 20070919 - DONIAR S A [CH]
- [A] EP 0732635 A1 19960918 - SUISSE ELECTRONIQUE MICROTECH [CH]
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA MK RS
DOCDB simple family (publication)
EP 2154582 A1 20100217; CN 102124415 A 20110713; CN 102124415 B 20121219; EP 2326995 A1 20110601; EP 2326995 B1 20130619; HK 1160233 A1 20120810; JP 2012500386 A 20120105; JP 5395174 B2 20140122; KR 20110030692 A 20110323; RU 2011109457 A 20120920; RU 2498383 C2 20131110; TW 201011481 A 20100316; TW I486729 B 20150601; US 2011141860 A1 20110616; US 9310770 B2 20160412; WO 2010018051 A1 20100218
DOCDB simple family (application)
EP 08162475 A 20080815; CN 200980131641 A 20090723; EP 09806405 A 20090723; EP 2009059477 W 20090723; HK 12100380 A 20120112; JP 2011522460 A 20090723; KR 20117003449 A 20090723; RU 2011109457 A 20090723; TW 98125412 A 20090728; US 200913059216 A 20090723