ALEXANDRIA, Va., June 10 -- United States Patent no. 12,291,968, issued on May 6, was assigned to JOY GLOBAL UNDERGROUND MINING LLC (Warrendale, Pa.).
"Bolter" was invented by Willem Fourie (Warrendale, Pa.), Xuanwen Luo (Warrendale, Pa.), Vijayanath Subaschandran (Parkhurst, Australia), Patrick Ross Willaman (Stump Creek, Pa.) and Michael Georgiou (Moss Vale, Australia).
According to the abstract* released by the U.S. Patent & Trademark Office: "A drilling and bolting rig includes a carousel rotatable about a carousel axis and including a plurality of stations configured to support a plurality of consumables, one or more actuators, and a position sensor coupled to the carousel. The one or more actuators are configured to rotate the carou...