Patent ID: 11934153
Assignee: ETA SA MANUFACTURE HORLOGèRE SUISSE
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. A mechanical horological bearing configured to be arranged on a mechanical timepiece movement, the bearing including, coaxial around a common rotation axis, at least one internal frame and at least one external frame-forming a running track, as well as a plurality of wheels sliding or rolling in the running track, during a relative movement between said internal frame and said external frame that guides them,
wherein at least one of said internal frame and external frame is a dynamic frame,
wherein at least one structural part of the bearing is produced from an elastic metal material with a high damping capacity, the damping factor of which is greater than 10%,
wherein the bearing comprises a first damping piece configured to be positioned entirely flatly between one of said frames and a bridge of the automatic winding system of the movement, the first damping piece forming the part of the bearing produced from an elastic metal material with a high damping capacity.