Device for fastening a disc
AssigneeETA SA Manufacture Horlogere Suisse
InventorsLaurent Mouche, Pascal Lagorgette, Raphaël Balmer
Life of this patent
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Abstract
A fastening method is for fastening at least one display element of a watch using a fastening device. Indeed, the at least one display element is fastened thanks to the fastening method via the fastening device. For this, it is necessary to provide the at least one display element, at least one movement, and at least one split ring, then to deform the at least one split ring so as to adapt to the at least one display element before fastening the at least one split ring with the at least one display element to the at least one movement.
Claims8
A display element comprising a date disc and a split ring for fastening said date disc of a watch, configured to display at least one information item, on at least one movement of a watch, said split ring having a C shape defining an arc shape and/or a clip shape with a discontinuity or an opening so as to have two free ends, the split ring being configured to be deformed by bringing the two ends of the split ring together and thus being deformed in a plane coplanar with the split ring and to adapt to said date disc such that a radially outer face of said split ring directly contacts a radially inner face of said date disc so as to fasten said date disc to said at least one movement.
Dependencies are inferred from the claim text.