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. 17, 2021
Filed:
Oct. 03, 2018
Applicant:
Royal Hydraulics Service and Manufacturing Company, Inc., Cokeburg, PA (US);
Inventors:
George Morrell, Cokeburg, PA (US);
Mark Crable, Adah, PA (US);
Assignee:
Royal Hydraulics Service and Manufacturing Company, Inc., Cokesburg, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23B 31/10 (2006.01); E21D 20/00 (2006.01); B23B 31/00 (2006.01); E21D 21/00 (2006.01);
U.S. Cl.
CPC ...
B23B 31/10 (2013.01); B23B 31/008 (2013.01); E21D 20/003 (2013.01); B23B 2231/0228 (2013.01); B23B 2231/0232 (2013.01); B23B 2265/322 (2013.01); B23B 2265/326 (2013.01); B23B 2270/62 (2013.01); E21D 21/0026 (2013.01);
Abstract
An integrated drill chuck for installing mine roof bolts includes a single integrated piece, the single integrated piece including a body defining a receiving cavity, where the receiving cavity is configured to receive and secure a bit having a square-shaped end and a bit having a hex-shaped end. A drill for installing mine roof bolts is also disclosed. A method for installing mine roof bolts is also disclosed.