Hand-operated device for drilling blast-holes

Details Hand-operated device for drilling blast-holes Hand-operated device for drilling blast-holes

1975-08-06

1978-01-10

Purser, Ernest R.

Tool driving or impacting

With work engaging means supporting drive

Anchored to work

175118, 173144, E21C 900

Patent

active

040673979

ABSTRACT:
The perforator body is provided with a built-in pulling winch whose drum is wound with a wire rope. The winch axle mounts a worm wheel meshing with the perforator box whose external surface is made in the form of a worm. The wire rope is secured to the rock and the perforator is fed progressively by rotation of the box.

REFERENCES:
patent: 2142529 (1939-01-01), Smith, Sr.
patent: 2143752 (1939-10-01), Azarowich
patent: 2227282 (1940-12-01), Smith, Sr.
patent: 2675213 (1954-04-01), Poole et al.

Affiliated with

Also associated with

Rating

Hand-operated device for drilling blast-holes does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Hand-operated device for drilling blast-holes, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Hand-operated device for drilling blast-holes will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2267233