Timepiece comprising a mechanism driven by mechanical driving means and a power reserve indicating device
AssigneeAsulab S.A.
InventorsJean-Jacques Born, Raymond Froidevaux
Life of this patent
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Abstract
Timepiece comprising a mechanical movement which includes a barrel (8) driving a mechanism formed by a gear train, said timepiece comprising a device for indicating the power reserve comprising a resilient element (6) rotatively coupling in a mechanical manner two coaxial wheels (2,4) of said gear train and a disk (4) and a hand (42) rotatively coupled to said two coaxial wheels respectively and arranged so as to indicate an angular displacement between said hand (42) and a reference mark associated to said disk (40) for indicating the moment of force exerted by said barrel on said gear train, said moment of force being representative of the power reserve of the timepiece.
Claims10
A timepiece including a barrel, used for storing the mechanical energy for driving a mechanism, and a device for indicating the power reserve of said mechanism, wherein said power reserve indicating device comprises a resilient element rotatively coupling in a mechanical manner first and second wheels rotatively driven by said barrel about a common geometric axis, and first and second display means rotatively coupled to said first and second wheels respectively and arranged so as to indicate an angular displacement between two directions determined respectively by said first and second display means, at least within a determined range of values of said angular displacement.
Dependencies are inferred from the claim text.