US Patent Issued to MABUCHI MOTOR on June 16 for "Contact structure and brush motor" (Japanese Inventor)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,658,772, issued on June 16, was assigned to MABUCHI MOTOR Co. LTD. (Chiba, Japan).

"Contact structure and brush motor" was invented by Yasuhiro Hashimoto (Chiba, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Regarding a contact structure and a brush motor, wear resistance of a commutator and a brush and an insulating property of a slit is improved. The disclosed contact structure includes a commutator formed of phosphor bronze and containing at least tin ranging from 1.0% or more to 9.0% or less by mass; and a brush formed of copper carbon and provided to come into contact with the commutator."

The patent was filed on June 22, 2023, under Applic...