Cutting by use of rotating axially moving tool – With work-engaging structure other than tool or tool-support – Movable relative to tool along tool-axis
Patent
1991-02-21
1991-12-31
Howell, Daniel W.
Cutting by use of rotating axially moving tool
With work-engaging structure other than tool or tool-support
Movable relative to tool along tool-axis
408115R, 408226, B23B 4728
Patent
active
050767429
ABSTRACT:
A hinge drilling jig for use in the "32 mm" or face-frameless system of cabinet construction for locating and drilling the hinge cup and the hinge cup mounting screw holes to be drilled in a cabinet door. A flat bottom drill bit is slideably retained in a jig body for drilling the hinge cup hole, and two thumbscrews locate the jig on the face of the cabinet door relative to its vertical edge. A collar retains the drill bit in the body and a shoulder on the drill bit and annular rings cut on the shank of the drill bit allow measurement of the depth of the hinge cup hole prior to being drilled by the drill bit. A plurality of countersinks on the body locate the position of the hinge mounting screw holes on the face of the cabinet door in predetermined positions. The jig is held in position on the door by a handle or a clamping arm having a clamping screw and a gauge assembly locates the jig on the face of the cabinet door relative to the second edge.
REFERENCES:
patent: 2763299 (1956-09-01), Cerf, Jr.
patent: 3241453 (1966-03-01), Baldwin
patent: 3362447 (1968-01-01), Elder, Jr.
patent: 4027992 (1977-06-01), Mackey, Jr. et al.
patent: 4594032 (1986-06-01), Warburg
Page 25 from the Fall 1990 Williams Tool & Hardware Supply Catalog.
Instruction booklet that accompanies the Ericksen Enterprises hinge boring tool.
Bradette Darquise D.
Frank Timothy C.
Lacoste Gary W.
Lee Leonard G.
McLean Frank A.
Howell Daniel W.
Lee Valley Tools Ltd.
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