ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,479,119, issued on Nov. 25, was assigned to MAKITA Corp. (Anjo, Japan).
"Working machine" was invented by Koki Taniguchi (Anjo, Japan) and Sho Tsuda (Anjo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A working machine may include: an output shaft; a rotary blade attached to the output shaft; a prime mover configured to rotate the output shaft; a housing that houses the prime mover and rotatably supports the output shaft; and a blade cover attached to the housing. The sidewall of the blade cover may include a first stopper and a second stopper. The facing portion of the housing may include a first stopper receiver and a second stopper receiver. ...