ALEXANDRIA, Va., June 2 -- United States Patent no. 12,644,384, issued on June 2, was assigned to Sandvik Mining and Construction G.m.b.H. (Zeltweg, Austria).
"Wear protection cap and a bit holder arrangement" was invented by Ralf Grief (Zeltweg, Austria) and Christian Schrunner (Zeltweg, Austria).
According to the abstract* released by the U.S. Patent & Trademark Office: "A wear resistant cap securable to a surface of a bit holder is provided. The wear resistant cap includes a top panel and a side panel. The top panel has a peripheral section enclosing an opening. The forward extension of the top panel, or together with an extension of a side wall at the front, is larger than the rearward extension the top panel. A bit holder arrangement...