Csem Centre Suisse D'electronique Et De Microtechnique Sa&#x2014;recherche Et D&#xe9;veloppement

Csem Central Suisse D'electronique Et De Microtechnique Sa—recherche Et Development

Philippe Schwab

Simon Henein

Florent Cosandier

Lionel Kiener

A pivot mechanism for guiding in rotation comprises a mobile element connected to a fixed element through flexible connections; with the flexible elements being configured to guide the mobile element according to a rotational movement in a plane, around a pivoting axis perpendicular to the plane; with each of the flexible connections comprising an intermediary junction provided with an expansion slot, the expansion slot being configured to expand during the rotation of the mobile element, so that the mobile element can pivot according to a second angular amplitude that is greater than a first angular amplitude achieved without said expansion slot; with the intermediary junctions being connected to one another by a coupling member; each of the coupling members being configured so as to prevent a movement out of the plane and a lateral movement in the plane of the mobile element. The pivot mechanism has a very high rotational amplitude.

Pivot mechanism with flexible elements for large-amplitude rotation guiding and pivot assembly comprising a plurality of said pivot mechanism

A mechanical oscillator isochronism corrector comprising a frame (), a flexible blade () integral with the frame to act on a mechanical oscillator at a contact portion () presented by the blade, and a first element for adjusting the pre-stress of the flexible blade including a pre-stress finger () acting on the flexible blade, the first adjustment element being integral with the frame.

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Grandevent, Switzerland

Philippe Schwab