Cutting by use of rotating axially moving tool – With work-engaging structure other than tool or tool-support – Work-gripping clamp
Patent
1998-11-03
2000-10-03
Tudor, Harold J.
Cutting by use of rotating axially moving tool
With work-engaging structure other than tool or tool-support
Work-gripping clamp
408115R, B23B 4514
Patent
active
H00018872
ABSTRACT:
A drill guide for combination lock mounting and method for fabricating and sing the drill guide is provided. The drill guide is fabricated using several interior mounting plates bonded together to form a sufficient thickness to maintain a true level bore hole. The fabrication guide plate is attached to a secure door using a threaded clamping device extending through a lock spindle hole. Thereafter, the smaller interior holes are drilled completely through the door. Larger exterior holes are then drilled partway through the door from the outside. The door is then ready to accept an exterior combination lock plate having female studs extending into the door.
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Bechtel, Esq. James B.
The United States of America as represented by the Secretary of
Tudor Harold J.
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