US Patent Issued to ETA SA Manufacture Horlogere Suisse on Oct. 27 for "Self-starting profile for timepiece escapement" (Swiss Inventor)

ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,775,238, issued on Oct. 27, was assigned to ETA SA Manufacture Horlogere Suisse (Grenchen, Switzerland).

"Self-starting profile for timepiece escapement" was invented by Pascal Winkler (St-Blaise, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A timepiece escapement mechanism, including a lever and an escapement wheel, the lever being arranged to cooperate with an inertial mass of a mechanical oscillator, and, at pallets carried by or included in the lever, with teeth of the escapement wheel, where the contact between a pallet and an escapement tooth includes at least three zones, a rest zone where the torque is of negative direction, where ...