ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,727,136, issued on Sept. 1, was assigned to GROUP UP INDUSTRIAL Co. LTD. (Taoyuan City, Taiwan).
"Carrying device for substrate carrier" was invented by An-Shun Chen (Taoyuan City, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A carrier device for substrate carriers is provided, having loading grooves on the upper part of a carrier body. Protruding blocks are formed on opposite sides of the loading grooves. Each protruding block is rotatably provided with first rollers protruding into the loading groove, and the bottoms of the loading grooves are rotatably provided with second rollers. Abase of the carrier body is also provided with positioning ...