Invention Grant
- Patent Title: Retrograde timepiece display with a retractable hand
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Application No.: US15397219Application Date: 2017-01-03
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Publication No.: US10222749B2Publication Date: 2019-03-05
- Inventor: Mehdi Denden , Edmond Capt
- Applicant: Blancpain SA
- Applicant Address: CH Le Brassus
- Assignee: Blancpain SA
- Current Assignee: Blancpain SA
- Current Assignee Address: CH Le Brassus
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Priority: EP16156269 20160218
- Main IPC: G04B19/04
- IPC: G04B19/04 ; G04B19/08 ; G04B45/00

Abstract:
Timepiece display mechanism including a cam driven by a time base, and a pivoting lever including an elastically returned feeler member following the contour of the cam and a first rack meshing with a first angular orientation wheel which drives an indicator plate synchronously or via a differential mechanism, the indicator plate projecting radially with respect to a main axis and being parallel to or coplanar with the first wheel, the display mechanism includes a connecting rod articulated at a first end to a carriage slidably mounted on the indicator plate and carrying a retractable hand, a second end of the connecting rod being pivoted on a fixed pivot or on a movable pivot comprised in an elongation wheel set driven directly or indirectly by the lever.
Public/Granted literature
- US20170242400A1 RETROGRADE TIMEPIECE DISPLAY WITH A RETRACTABLE HAND Public/Granted day:2017-08-24
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