US Patent Issued to MAKITA on Nov. 3 for "Tube expansion tool" (Japanese Inventors)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,779,765, issued on Nov. 3, was assigned to MAKITA Corp. (Anjo, Japan).

"Tube expansion tool" was invented by Koichi Yakabe (Anjo, Japan) and Hiroki Ikuta (Anjo, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A tube expansion tool for expanding an end of a synthetic resin fluid pipe has a motor shaft rotated by an electric motor, a feed screw mechanism for converting rotation of the motor shaft into front-and-rear movement of an output shaft, a wedge provided on a front portion of the output shaft for pushing a plurality of jaws. The plurality of jaws mutually opens radially outward. The tube expansion tool further has a jaw rotation mechanism and a...