ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,829, issued on Nov. 18, was assigned to The Sollami Co. (Herrin, Ill.).
"Bit holder with slotted shank and annular ring" was invented by Phillip Sollami (Herrin, Ill.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A bit holder that includes a forward body portion and a shank axially depending from the bottom of the forward body portion. The shank of the bit holder includes at least one slot and an annular ring disposed partially or nearly circumferentially around the shank. The slotted shank of the bit holder and the annular ring are radially compressible when inserted into a bore of a base block. An outer diameter of the annular ring being greater ...