ALEXANDRIA, Va., April 7 -- United States Patent no. 12,594,679, issued on April 7, was assigned to VTEC Co. LTD. (Busan, South Korea).
"Gripper device using air-tube" was invented by Ho-Young Cho (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention discloses a gripper device using an air-tube. Particularly, the gripper device quickly performs 'release' on gripping of a product. The gripper device is designed so that compressed air for griping, which is introduced through a first tube and accumulated in an expansion space of a side wall of the cylindrical air-tube, is instantly discharged to the outside through a second tube that is opened by a reverse movement of a valve ...