Device in impact machines

Details Device in impact machines Device in impact machines

1990-02-08

1991-04-09

Neuder, William P.

Boring or penetrating the earth

Below-ground impact members

Telescoping members relatively rotatable

175417, E21B 400

Patent

active

050056565

ABSTRACT:
Device in impact machines. The device comprises a number of rods (6) provided with projections (51). The rods are journalled in a surrounding set of tubes (7) by means of elastic bushings (52,53) which are provided with grooves (57) through which said projections can be passed.

REFERENCES:
patent: 3227230 (1966-01-01), Lagerstrom

Affiliated with

Also associated with

Rating

Device in impact machines does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2027668