Reduced-friction shaft support bearing
AssigneeComadur SA
InventorsLaurent Kaelin, Pascal Chopard-Lallier, Bruno Besutti
Life of this patent
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Abstract
A bearing includes a shaft which pivots in the bearing. The shaft includes, at at least one end thereof, a shoulder via which the shaft is in contact with an opposite surface of the bearing. The shoulder is extended by a pivot engaged in a hole provided in the bearing. The opposite surface of contact of the bearing includes at least one hollow in order to reduce the surface of contact between the shoulder of the shaft and the bearing. Application is made to the production of a bearing for a shaft of a horology movement.
Claims9
A bearing for micromechanics in which a shaft pivots, the shaft comprising, at at least one end thereof, a shoulder via which the shaft is in contact with a first surface of the bearing that faces the shoulder, the shoulder being extended by a pivot engaged in a hole provided in the bearing, wherein the first surface of the bearing comprises at least one hollow positioned radially outside of the first surface of the bearing that is in contact with the shaft in order to reduce a surface of contact between the shoulder of the shaft and the bearing.
Dependencies are inferred from the claim text.