1974-01-17
1976-01-06
Peshock, Robert
A61C 1100
Patent
active
039303128
ABSTRACT:
A dental articulator comprises a pair of upper and lower brackets for upper and lower artificial dentures, respectively, with a support between the two brackets. The upper bracket is pivotally interconnected to the support for vertical swinging movement of the upper bracket relative to the occlusal plane of the articulator. The support and the lower bracket are slidably interconnected for relative movement in a forward and rearward direction parallel to the occlusal plane and perpendicular to the axis of vertical swinging of the upper bracket. The support and lower bracket can also have limited relative rotational movement in a plane parallel to the occlusal plane. A plate is insertable and removable in the articulator in inverted positions, so that in one position the upper surface of the plate lies in the occlusal plane and in the inverted position the under surface of the plate lies in the occlusal plane.
REFERENCES:
patent: 683640 (1901-10-01), Cross
patent: 2029003 (1936-01-01), Spiro
patent: 2697279 (1954-12-01), Clawson
patent: 2731723 (1956-01-01), Brandhandler
patent: 2786272 (1957-03-01), Lindleg
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