Drilling boom

Details Drilling boom Drilling boom

1987-04-01

1989-01-24

Schran, Donald R.

Tool driving or impacting

Drive by means reacting to rotating eccentric mass

248654, E21C 500, E21C 900

Patent

active

047995564

ABSTRACT:
A drilling boom has an articulated arm 12 which carries a drill feed beam 28 on its outer end. Apart from the articulation 36, 38 provided by the joint at the outer end of the arm, the feed beam can rotate about two mutually perpendicular axes at the end of the arm. One of these axes is defined by the so-called rollover unit 44 and the other axis 92 is at right angles to the length of a drill rod on the feed beam and allows at least 180 degrees of rotation so that parallel holes can be drilled in all parts of the roof, floor and side walls of a heading.

REFERENCES:
patent: 3727867 (1973-04-01), Toppila
patent: 4290491 (1981-09-01), Mayer

Affiliated with

Also associated with

Rating

Drilling boom does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Drilling boom, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Drilling boom will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-414530