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US 11,921,462 B2Granted
Timepiece calendar device
AssigneeRolex SA
InventorElvis Caron
Life of this patent
Estimating the term…
Abstract
Timepiece calendar device (100) including a first display disk (1) for displaying dates having a first face (11) bearing date indications (10) and mobile about an axis (A), and a second display disk (2) for displaying days having a second face (21) bearing day indications (20) and mobile about the axis (A), the first and second disks being such that the first and second faces are coplanar, the second face being disposed around the first face.
Claims17
A timepiece calendar device including:
- a first disk for displaying dates, the first disk having a first face bearing date indications and being mobile about an axis, and
- a second disk for displaying days of the week, the second disk having a second face bearing day indications and being mobile about the axis,
- the first and second disks being arranged so that the first and second faces are coplanar, the second face being disposed around the first face,
- the timepiece calendar device further including a calendar driver mobile including a first finger for driving a first set of teeth of the first disk, and a second finger for driving a second set of teeth of the second disk,
- wherein the second set of teeth is an interior set of teeth and the first set of teeth is an interior set of teeth, the second set of teeth having a tip diameter d2 greater than the tip diameter d1 of the first set of teeth,
- wherein d2>1.1×d1.
3 more elements
Dependencies are inferred from the claim text.