US Patent Issued to NTI on May 12 for "Constant force generator" (Swiss Inventors)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,627,209, issued on May 12, was assigned to NTI AG (Spreitenbach, Switzerland).

"Constant force generator" was invented by Ronald Rohner (Remetschwil, Switzerland) and Daniel Ausderau (Frauenfeld, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A constant force generator comprises a stator having a longitudinal axis and a permanently magnetic stator region, and an armature arranged to be movable relative to the stator in the direction of the longitudinal axis, the armature having a permanently magnetic armature region. The permanently magnetic stator region and the permanently magnetic armature region are each magnetized in a magnetization dire...