US Patent Issued to Mohlalefi (Pty) on Oct. 7 for "Nut arrangement, rock bolt and driver apparatus" (South African Inventor)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,435,748, issued on Oct. 7, was assigned to Mohlalefi (Pty) Ltd. (Sandton, South Africa).

"Nut arrangement, rock bolt and driver apparatus" was invented by Martin Nare Masitise (Sandton, South Africa).

According to the abstract* released by the U.S. Patent & Trademark Office: "A shear nut 10, a lock nut 62 (together forming a nut arrangement 60 for a bolt 12), and a driver (110, 500, 600, 700) used while installing the nut arrangement 60. Particularly, the bolt 12 is a rock bolt. The shear nut 10 comprises first and second portions (14, 18) connected by a connecting portion 22. The second portion 18 comprises an engaging formation 20 configured to interact with the bolt 12 to limit the...