The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 15, 2023
Filed:
May. 16, 2022
Joy Global Underground Mining Llc, Warrendale, PA (US);
Russell P. Smith, New South Wales, AU;
Andrew D. Hunter, New South Wales, AU;
Peter A. Lugg, Queensland, AU;
Ian B. Schirmer, Queenland, AU;
Geoffrey W. Keech, Queensland, AU;
Christopher Coates, Queensland, AU;
Bradley M. Neilson, New South Wales, AU;
Joy Global Underground Mining LLC, Warrendale, PA (US);
Abstract
A method for removing material from a rock wall. The method includes moving a cutting edge through the rock wall to create a first slot in the rock wall, moving the cutting edge through the rock wall to create a second slot in the rock wall, the second slot being separated from the first slot by an uncut portion, the uncut portion defining a base surface attached to the wall, cutting a notch into the base surface of the uncut portion, and applying a force on the uncut portion to break the uncut portion away from the wall.