Rotary drilling bit with conically shaped rotary cutters

Details Rotary drilling bit with conically shaped rotary cutters Rotary drilling bit with conically shaped rotary cutters

1978-12-05

1981-02-10

Levy, Stuart S.

Cutlery

175227, 175372, 3081871, F16C 1900, E21B 402, E21B 1022

Patent

active

042497817

ABSTRACT:
A rotary drilling bit with conically shaped rotary cutters which are supported in bearings on the drilling bit body by a plurality of bearings. At least one seal is provided in each rotary cutter for separating the bearing cavities of the bearings.

REFERENCES:
patent: 2759777 (1956-08-01), Anderson
patent: 3127942 (1964-04-01), Neilson
patent: 3307645 (1967-03-01), Hildebrandt

Affiliated with

Also associated with

Rating

Rotary drilling bit with conically shaped rotary cutters does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Rotary drilling bit with conically shaped rotary cutters, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Rotary drilling bit with conically shaped rotary cutters will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1662683