Invention Grant
- Patent Title: Retrograde display mechanism for horology
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Application No.: US16299185Application Date: 2019-03-12
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Publication No.: US11320787B2Publication Date: 2022-05-03
- Inventor: Cedric Reymond
- Applicant: HARRY WINSTON SA
- Applicant Address: CH Plan-les-Ouates
- Assignee: HARRY WINSTON SA
- Current Assignee: HARRY WINSTON SA
- Current Assignee Address: CH Plan-les-Ouates
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Priority: EP18161388.6 20180313
- Main IPC: G04B19/02
- IPC: G04B19/02 ; G04B19/08 ; G04B19/253 ; G04B19/24 ; G04B19/26

Abstract:
A timepiece display mechanism including at least a first retrograde drive device for a first display member displaying a first magnitude, and a second retrograde drive device for a second display member displaying a second magnitude, the first retrograde drive device including a first drive rack to exert on a first wheel set driving the first display member, an opposite force to a resistance force exerted by a first return rack, the second retrograde drive device including a second drive rack to exert on a second wheel set driving the second display member, an opposite force to a resistance force exerted by a second return rack, wherein the pivot axes of the first drive rack and of the first return rack are remote, and/or the pivot axes of the second drive rack and of the second return rack are remote.
Public/Granted literature
- US20190286056A1 RETROGRADE DISPLAY MECHANISM FOR HOROLOGY Public/Granted day:2019-09-19
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