Invention Grant
- Patent Title: Drilling apparatus with drill guide
- Patent Title (中): 带钻孔机的钻孔设备
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Application No.: US14182662Application Date: 2014-02-18
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Publication No.: US09534457B2Publication Date: 2017-01-03
- Inventor: Henry E. Wilson , Sean Casey Farrell , Robert Sherwood Anderson , Sean Joseph McQuerrey
- Applicant: J.H. FLETCHER & CO
- Applicant Address: US WV Huntington
- Assignee: J.H. FLETCHER & CO
- Current Assignee: J.H. FLETCHER & CO
- Current Assignee Address: US WV Huntington
- Agency: King & Schickli, PLLC
- Main IPC: E21B19/18
- IPC: E21B19/18 ; E21B19/24

Abstract:
An apparatus for use in connection using a drill having a drilling element for forming a borehole in a face of a mine passage includes a drill guide for engaging the drilling element while permitting the drilling element to move toward the face for forming the borehole. The drill guide includes a keeper for keeping the drilling element in a desired position, which keeper is biased for pivoting movement upon the application of a manual force between an active position for capturing the drilling element and a retracted position for releasing the drilling element. A low profile drill guide is also disclosed, as is a guard for a drill guide, and also related methods.
Public/Granted literature
- US20140231137A1 DRILLING APPARATUS WITH DRILL GUIDE Public/Granted day:2014-08-21
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