Dentistry – Apparatus – Having gauge or guide
Patent
1997-11-19
1999-11-23
Lucchesi, Nicholas D.
Dentistry
Apparatus
Having gauge or guide
A61C 302
Patent
active
059890240
ABSTRACT:
The present invention provides an apparatus for cooperating with a powered tool having a work imparting component having a longitudinal axis so as to maintain the longitudinal axis at substantially constant angles in the X-Y, Y-Z and Z-X planes, as defined in part by the X, Y and Z axes while the powered tool is caused to move through a volume of space. The apparatus includes: an adjustable arm having two ends; a clamp arrangement (14-16) for fixing the powered tool to one of the two ends; and, a base (1-2) fixable to a work piece, attached to the other of the two ends, for supporting the adjustable arm (4-13) and the clamp arrangement (14-16). The adjustable arm further includes: a first portion (4, 5) having two ends, for enabling vertical displacement of the longitudinal axis relative to the Y axis; a second portion (7, 9 and 10-13) having two ends, for supporting the clamp arrangement (14-16); and, a third portion (6, 8) for movably fixing one end of the first portion to one end of the second portion. The third portion further includes: a first arrangement (8) for horizontal extension and retraction of the second portion relative to the X-Z plane; and, a second arrangement (6) for enabling revolution of the clamp arrangement about the third portion.
REFERENCES:
patent: 3254413 (1966-06-01), Suga
patent: 3346959 (1967-10-01), Fridge
patent: 3375584 (1968-04-01), Cowan
patent: 5017139 (1991-05-01), Mushabac
patent: 5332391 (1994-07-01), Jermyn
patent: 5575646 (1996-11-01), Giannella
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