Dentistry – Apparatus – Work support
Patent
1995-11-29
1998-02-24
Lucchesi, Nicholas D.
Dentistry
Apparatus
Work support
433 57, A61C 1100
Patent
active
057206120
ABSTRACT:
A method an apparatus for recording and reproducing the path of insertion of a cast on a dental surveyor uses an iterative method to enable rapid equalization of the height of three points on the cast by first rotating the table on which the cast is situated about a spindle supported by two mutually perpendicular pivotal adjustment arms so that a line connecting two of the points a,b is as close as possible to being parallel with a long axis of a generally horizontal one of the pivotal adjustment arms, pivoting the horizontal adjustment arm so that points a,b are at an equal height, pivoting the generally vertical adjustment arm so that point a and a third point c are at an equal height, readjusting the horizontal adjustment arm so that points a and b are again at an equal height, readjusting the vertical adjustment arm so that points a and c are again at an equal height, and so forth until all three points are at the same height.
REFERENCES:
patent: 5026282 (1991-06-01), Koike
patent: 5073109 (1991-12-01), El Hadary
patent: 5266029 (1993-11-01), Feher
patent: 5482460 (1996-01-01), Farnor, Jr. et al.
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