ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,440,953, issued on Oct. 14, was assigned to Robert Bosch GmbH (Stuttgart, Germany).
"Hand-held power tool with an impact mechanism assembly" was invented by Willy Braun (Neustetten, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hand-held power tool, in particular a demolition hammer, with an impact mechanism assembly includes an electric motor, an eccentric assembly, and an impact pin oscillating linearly along an impact mechanism axis. The eccentric assembly includes an eccentric wheel mounted in an impact mechanism carrier of the impact mechanism assembly, an eccentric wheel rotating about an eccentric axis, and a connecting rod driven by t...