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:
Feb. 11, 2020

Filed:

Dec. 20, 2017
Applicant:

J.h. Fletcher & Co., Huntington, WV (US);

Inventors:

Gregory E. Hinshaw, Proctorville, OH (US);

Timothy D. Burgess, South Point, OH (US);

Assignee:

J.H. FLETCHER & CO., Huntington, WV (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23B 31/00 (2006.01); B25B 23/00 (2006.01); B23B 31/113 (2006.01); B23B 31/117 (2006.01); E21D 21/00 (2006.01); E21B 17/03 (2006.01);
U.S. Cl.
CPC ...
B23B 31/008 (2013.01); B23B 31/113 (2013.01); B23B 31/117 (2013.01); B25B 23/0035 (2013.01); B23B 2231/024 (2013.01); B23B 2231/0232 (2013.01); B23B 2231/0264 (2013.01); B23B 2231/0276 (2013.01); B23B 2231/04 (2013.01); E21B 17/03 (2013.01); E21D 21/00 (2013.01); Y10T 279/17008 (2015.01); Y10T 279/17888 (2015.01); Y10T 279/17965 (2015.01); Y10T 279/28 (2015.01); Y10T 279/3412 (2015.01);
Abstract

A system for securing different first and second drill tools to a drill head including a socket is provided. The system includes a chuck adapted for positioning at least partially within the socket of the drill head, the chuck including a first opening for receiving the first drill tool. An adapter is configured for forming a selective locking engagement within the first opening of the chuck, the adapter including a second opening for receiving the second drill tool. The selective locking engagement may comprise a 'twist lock' engagement, and the adapter may be arranged for receiving a roof bolt. Related methods are also disclosed.


Find Patent Forward Citations

Loading…