US Patent Issued to BRUDERER on May 13 for "Punch press" (Swiss Inventors)

ALEXANDRIA, Va., June 12 -- United States Patent no. 12,296,552, issued on May 13, was assigned to BRUDERER AG (Frasnacht, Switzerland).

"Punch press" was invented by Ugo De Santis (Roggwil, Switzerland) and Josef Thomas Hafner (Rorschacherberg, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a punch press with a crank or eccentric drive, including a crank or eccentric shaft (1a, 1b) and active connecting rods (9a, 9b) for generating the stroke movement of the press ram (13). Furthermore, the punch press includes balancing weights (2a, 2b) for balancing the vertical and horizontal mass forces and is designed in such a way that the horizontal drive movements required for th...