Safety mechanism for selection and/or actuation of a timepiece striking work
AssigneeBlancpain SA
InventorJulien Behra
Life of this patent
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Abstract
Timepiece striking mechanism including control means, releasable by a timepiece movement or by a user, and arranged to start a melody or striking sound, and melody selection means including a lever for selecting a selector mechanism arranged to allow the movement of a specific control-piece in order to perform a specific melody or striking sound, this striking mechanism including a safety mechanism for preventing the selection or the actuation of a melody or striking sound when a melody or striking sound is already being performed, this safety mechanism includes, for each control piece, a cam arranged to prevent the operation of the melody selection means by immobilizing the lever, when its control piece has started to perform a melody or striking sound.
Claims10
A timepiece striking mechanism comprising:
- control means arranged to be actuated by a timepiece movement or by a user in order to start a melody or striking sound;
- and
- melody selection means arranged to be actuated by a timepiece movement or by a user and including a selector mechanism comprising a main lever arranged to allow the movement of a control piece in order to perform a specific melody or striking sound,
- wherein said striking mechanism includes a safety mechanism arranged to prevent the selection or the actuation of a melody or striking sound when a melody or striking sound is already being performed,
- wherein said safety mechanism comprises a single cam associated with said control piece, and
- wherein said cam is arranged to prevent the actuation of said melody selection means by immobilising said main lever when said control piece has started the performance of the melody or striking sound by abutting directly against said main lever.
Dependencies are inferred from the claim text.