Invention Grant
US09448533B2 Barrel shaft for a clock movement, barrel spring and barrel including such a spring and/or such a shaft
有权
用于时钟运动的桶形轴，桶弹簧和桶，包括这种弹簧和/或这种轴
- Patent Title: Barrel shaft for a clock movement, barrel spring and barrel including such a spring and/or such a shaft
- Patent Title (中): 用于时钟运动的桶形轴，桶弹簧和桶，包括这种弹簧和/或这种轴
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Application No.: US14390699Application Date: 2013-04-04
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Publication No.: US09448533B2Publication Date: 2016-09-20
- Inventor: Jean-Louis Bertrand , Albert Bortoli , Thomas Gyger , Vincent Von Niederhäusern
- Applicant: ROLEX SA
- Applicant Address: CH Geneva
- Assignee: ROLEX SA
- Current Assignee: ROLEX SA
- Current Assignee Address: CH Geneva
- Agency: Westerman, Hattori, Daniels & Adrian, LLP
- Priority: EP12002440 20120404
- International Application: PCT/EP2013/057064 WO 20130404
- International Announcement: WO2013/150086 WO 20131010
- Main IPC: G04B1/14
- IPC: G04B1/14 ; G04B1/16 ; G04B1/18
Abstract:
The invention relates to a barrel spring (2) including: an inner end (5) and an outer end; a first portion (50) having a first height (H); a second portion (52) having a second height (h) that is smaller than the first height (H) and being located near the inner end (5); and, at the second portion, e.g. at the inner end, a first attachment element (51) suitable for being attached to the barrel shaft, wherein the second portion is to be inserted into a circumferentially extending groove provided on the barrel shaft.
Public/Granted literature
- US20150092523A1 BARREL SHAFT FOR A CLOCK MOVEMENT, BARREL SPRING AND BARREL INCLUDING SUCH A SPRING AND/OR SUCH A SHAFT Public/Granted day:2015-04-02
Information query
