US Patent Issued to MIMAKI ENGINEERING on April 8 for "Tube pump and printing apparatus" (Japanese Inventors)

ALEXANDRIA, Va., April 9 -- United States Patent no. 12,270,391, issued on April 8, was assigned to MIMAKI ENGINEERING Co. Ltd. (Nagano, Japan).

"Tube pump and printing apparatus" was invented by Tomoya Kawai (Nagano, Japan) and Toshihiro Kimura (Nagano, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A tube pump that sends a fluid includes a tube, a roller, and a roller holder. In the roller holder, a guide groove is formed that receives a shaft of the roller and defines a range in which the roller is movable with respect to the roller holder. The roller holder has an inner side surface and an outer side surface as surfaces defining the guide groove in the roller holder. The inner side surface has a pr...