ALEXANDRIA, Va., July 28 -- United States Patent no. 12,692,789, issued on July 28, was assigned to The Sollami Co. (Herrin, Ill.).
"Bit holder insertion and extraction system" was invented by Phillip Sollami (Herrin, Ill.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An insertion and extraction system adapted to insert and extract a bit holder from a bore of a base block that includes a hydraulic cylinder, a bolt, a washer, and an extraction cup. The system can further include a nut adapted to engage the bolt. For insertion, the hydraulic cylinder is mounted to the bit holder, the washer is mounted adjacent the base block, the bolt is inserted through the hydraulic cylinder, through the bit holder, through...