Boring or penetrating the earth – With tool shaft detail
Patent
1998-02-03
2000-12-19
Johnson, Brian L.
Boring or penetrating the earth
With tool shaft detail
175420, 408 59, E21B 1716, E21B 2100
Patent
active
061616338
ABSTRACT:
A rotary drill bit for boring a hole through a solid body is disclosed. The drill bit comprises a collar and a penetrating member. At a proximal end, the collar is attachable to a drill shaft. At a distal end, the collar is attachable to the penetrating member. The penetrating member has a connecting end for attachment to the collar and a cutting end for engaging the solid body. A pilot drill is fixedly attached to the cutting end for initiating contact with the solid body.
REFERENCES:
patent: 1463848 (1923-08-01), Shimin
patent: 1477855 (1923-12-01), Thurston
patent: 1534850 (1925-04-01), Hamilton
patent: 1637332 (1927-08-01), Bronson
patent: 1943880 (1934-01-01), Rea
patent: 2952270 (1960-09-01), Fulton et al.
patent: 3554306 (1971-01-01), Wilburn
patent: 4113405 (1978-09-01), Dillinger
patent: 4852672 (1989-08-01), Behrens
patent: 4895349 (1990-01-01), Broom
patent: 4911729 (1990-03-01), Rooker
patent: 5020780 (1991-06-01), Woodings
patent: 5704740 (1998-01-01), Ebenhoch et al.
patent: 6035953 (2000-03-01), Rear
McMaster-Carr Supply Company-Catalog 99 (Wood Boring Bits, pp. 1837-1842) No Date.
Cutting Edge Technology
Johnson Brian L.
Sliteris Joselynn
LandOfFree
Apparatus for boring through a solid material does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Apparatus for boring through a solid material, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus for boring through a solid material will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-264033