Cutting by use of rotating axially moving tool – Processes – Bit detachable
Patent
1996-07-01
1998-05-05
Howell, Daniel W.
Cutting by use of rotating axially moving tool
Processes
Bit detachable
408 80, 408112, B23B 3500, B23B 4900
Patent
active
057465517
ABSTRACT:
A hole preparation apparatus for back drilling, upsizing and reaming mating precision holes. The apparatus includes three main sections--a tubular body section, a base and a drive shaft assembly.
The drive shaft assembly includes an upper portion sized to be received in the chuck of a conventional pneumatic or electric drill, a lower portion sized to be received in the bore of the tubular body. An internal threaded drill receiving socket is disposed at a lower end of the lower portion of the drive shaft. A coil retractor spring is located in the central bore of the tubular body section. A removable pilot drill is received in the drill receiving socket. A pilot drill bushing is located in the bottom end of the bore of the tubular body. An opener drill is changeable with the pilot drill and is received in the drill receiving socket when the pilot drill is removed. An opener drill bushing, is changeable with the pilot drill bushing.
REFERENCES:
patent: 36903 (1862-11-01), Hadley
patent: 68504 (1867-09-01), Haworth
patent: 521206 (1894-06-01), Covel
patent: 1023002 (1912-04-01), Bennett
patent: 2294303 (1942-08-01), Jagow
patent: 2296087 (1942-09-01), Burns
patent: 2335614 (1943-11-01), Spievak
patent: 2360942 (1944-10-01), Ellerstein
patent: 2365986 (1944-12-01), Wilson
patent: 2372398 (1945-03-01), Shoffner
patent: 2784616 (1957-03-01), Quackenbush
patent: 3083593 (1963-04-01), Cotter
patent: 3540322 (1970-11-01), Swanson
patent: 3620635 (1971-11-01), DalBlanco
patent: 3907452 (1975-09-01), Tripp
patent: 5096342 (1992-03-01), Blankenship et al.
patent: 5228811 (1993-07-01), Potter
patent: 5318390 (1994-06-01), DalBlanco
E-Systems Inc.
Howell Daniel W.
LandOfFree
Hole preparation apparatus and method of use does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Hole preparation apparatus and method of use, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Hole preparation apparatus and method of use will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-47752