Ring drilling rig

Details Ring drilling rig Ring drilling rig

1976-05-25

1978-01-10

Hafer, Robert A.

Tool driving or impacting

Drive by means reacting to rotating eccentric mass

173 23, E21C 500

Patent

active

040673987

ABSTRACT:
A ring drilling rig for rock drilling has a feed beam for a rock drill. The feed beam is mounted in a holder on the distal end of an arm that is mounted on a support. The support is tiltable about a transverse horizontal axis. The arm is swingable 360.degree. about a longitudinal axis to which it is perpendicular. The feed beam and its holder are pivotable about an axis that is parallel with the axis about which the arm swings. The feed beam is axially displaceable in its holder.

REFERENCES:
patent: 1978368 (1934-10-01), Levin
patent: 3333646 (1967-08-01), Hoen et al.
patent: 3431983 (1969-03-01), Jacobson
patent: 3481409 (1969-12-01), Westerlund
patent: 3809344 (1974-05-01), Kolderup et al.
patent: 3896885 (1975-07-01), Dahlstrom et al.

Affiliated with

Also associated with

Rating

Ring drilling rig does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2267235