Cutting by use of rotating axially moving tool – With signal – indicator – illuminator or optical means
Patent
1993-12-27
1995-01-17
Bishop, Steven C.
Cutting by use of rotating axially moving tool
With signal, indicator, illuminator or optical means
33201, 33638, 33833, 408202, 4082415, B23B 4900, G01B 514
Patent
active
053821203
ABSTRACT:
The present invention relates to a device that is hand held and independent of a drill, either hand held or powered by electricity. This device consists of a tubular housing with a turn screw plunger shaft and a scale for measurement in inches on one side and metric on the other side of a liner window opening on one side of said tubular housing The user selects the depth of the hole to be drilled, sets the turn screw to that depth as indicated on the outside scale. The leading end of a drill bit is then inserted in the receiving end opening in the tubular housing that is opposite to the turn screw plunger. Thereafter, a collar with a set screw is placed over the flat end of the bit and secured by the set screw to the bit at the receiving end wall of the device of the present invention. The bit, on which the set screw collar is secured, may then be inserted in any type of drill and when used will drill only to the depth of the collar as measured and set by the device of the present invention.
REFERENCES:
patent: 2716030 (1955-08-01), Faso
patent: 2886895 (1959-05-01), Kushion
patent: 3911587 (1975-10-01), Forrest et al.
patent: 5040309 (1991-08-01), Hayden et al.
LandOfFree
Drill bit depth minder 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 depth minder, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Drill bit depth minder will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-743872