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.

Date of Patent:
Dec. 31, 2024

Filed:

Jun. 29, 2022
Applicant:

Joy Global Underground Mining Llc, Warrendale, PA (US);

Inventors:

Renier Koekemoer, Sudbury, CA;

Joseph St. Amand, Elliot Lake, CA;

Justin Barter, Algoma Mills, CA;

Assignee:

Joy Global Underground Mining LLC, Warrendale, PA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21D 11/15 (2006.01);
U.S. Cl.
CPC ...
E21D 11/152 (2013.01);
Abstract

A screen handling system is provided for a rock drilling device including a feed assembly, at least one rail system supporting the feed assembly for translational movement relative to a boom along a first axis, and an actuator for advancing a bit or bolt into a rock face parallel to the first axis. The screen handling system includes a pad disposed proximate the bit or bolt, a block having a bore that defines a second axis parallel to the first axis, a gripper at least partially disposed within and axially moveable relative to the bore in a direction along the second axis, and a drive mechanism coupled to the block that is capable of continuously rotating the pad about the second axis to a desired orientation.


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