Dentistry – Apparatus – Work support
Patent
1981-07-27
1983-07-05
Wilson, John J.
Dentistry
Apparatus
Work support
433 55, 433 59, A61C 1100
Patent
active
043915892
ABSTRACT:
A surgical dental articulator having a pivotable frame to which a pair of independently adjustable cantilevers carrying opposed dental casts are mounted. The dental casts are mounted to the cantilever for movement along the cantilever axis and for pivotal movement about a first pivot axis normal to the cantilever axis. The cantilevers are each mounted to the frame by a cantilever support assembly which includes linear support and pivot assemblies. The linear support assembly includes a first transverse support fixedly mounted to the frame and defining a first linear path and a second transverse support slidably mounted to the first transverse support for movement parallel to the first linear path and defining a second linear path perpendicular to the first linear path. The pivot assembly is slidably mounted to the second linear support along the second linear path via a pair of pivot arms. The cantilever is pivotably mounted to the pivot assembly for rotation about the cantilever axis and about a second pivot axis perpendicular to the longitudinal axis. The upper and lower dental casts can be individually moved along three separate, nominally orthogonal linear paths and about three separate, nominally orthogonal pivot axes. The cast mounting assemblies have scales marked directly thereon so that movement of the dental casts can be measured directly from the articulator.
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Monfredo Joseph R.
Roth Ronald H.
Johnson & Johnson Dental Products Company
Wilson John J.
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