ALEXANDRIA, Va., June 18 -- United States Patent no. 12,325,077, issued on June 10, was assigned to AB Sandvik Coromant (Sandviken, Sweden).
"Clamping device for tool holder" was invented by Jonas Wasterlund (Toyokawa, Japan) and Gunnar Matlik (Sandviken, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "A clamping device for releasably holding a tool holder shank includes a housing, a drawbar axially moveable in a bore in the housing, engagement members moveable under the effect of the drawbar into locking engagement with the tool holder shank, and an actuating member rotatably arranged in the bore. Upon rotation of the actuating member, a contact surface on a motion transferring element fixedly connect...