US Patent Issued to Robert Bosch on June 23 for "Power tool with electronic spindle positioning" (American, German Inventors)

ALEXANDRIA, Va., July 15 -- United States Patent no. 12,661,771, issued on June 23, was assigned to Robert Bosch GmbH (Stuttgart, Germany).

"Power tool with electronic spindle positioning" was invented by Eric Mallory (Naperville, Ill.), Robert Lewton (Arlington Heights, Ill.) and Christian Schweizer (Filderstadt, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for operating a power tool includes electronically braking a motor shaft of a brushless electric motor using a controller of the power tool. A spindle unit, positioned on the motor shaft, has a known rotational position relative to at least one pole of a plurality of poles of a rotor of the motor shaft. The method further includes stop...