Drill bit

Details Drill bit Drill bit

1975-01-20

1976-12-14

Simpson, Othell M.

Cutting by use of rotating axially moving tool

Tool or tool with support

Having inversely angled cutting edge

145116R, 408225, B23B 5100

Patent

active

039972798

ABSTRACT:
Drill bit of the type having a shank, a spade cutter, and a lead point with concave sides.

REFERENCES:
patent: 252704 (1882-01-01), Southwick
patent: 2600286 (1952-06-01), Weiland
patent: 2782824 (1957-02-01), Robinson
patent: 2794468 (1957-06-01), Huxtable

Affiliated with

Also associated with

Rating

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

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1342283