ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,709,862, issued on Aug. 18, was assigned to TMK MACHINERY OY (Hankasalmi, Finland).
"Work device" was invented by Tenho Koponen (Sakinmaki, Finland) and Mika Koponen (Hyvinkaa, Finland).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a work device having a body with an attachment arrangement to attach the work device to a set of booms of a work machine. A pair of jaws fitted to the body includes two jaws arranged to form a grab. A first jaw is fixed to the body and a second jaw is pivoted rotatably to the body to open and close the grab. The rotatable jaw is arranged to be acted on by a hydraulic actuator, to open and close the gr...