US Patent Issued to HUSQVARNA on Aug. 5 for "Tool holding arrangement, thread insert, rotatable shaft and drill unit" (Swedish Inventor)

ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,377,472, issued on Aug. 5, was assigned to HUSQVARNA AB (Huskvarna, Sweden).

"Tool holding arrangement, thread insert, rotatable shaft and drill unit" was invented by David Grennhag (Kallered, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a tool holding arrangement (1, 1', 1") comprising a rotatable shaft (2, 2', 2") which is at least connectable to a tool driving power source (3) and comprises a first shaft thread (4, 4'). The tool holding arrangement (1, 1', 1) comprises a thread insert (5, 5') that comprises a first insert thread (6, 6'), adapted to engage the first shaft thread (4, 4') so as to form a first t...