Dental articulator having dual balls

Details Dental articulator having dual balls Dental articulator having dual balls

2007-06-12

2007-06-12

Bumgarner, Melba N. (Department: 3732)

Dentistry

Apparatus

Work support

C433S060000, C433S062000

Reexamination Certificate

active

11177546

ABSTRACT:
A dental articulator capable of finely adjusting a three-dimensional articulation posture and exerting a secure fastening force by a lever is provided. The dental articulator includes a lower grip plate, a column, an arm, and an upper grip plate, wherein a first ball and a second ball are disposed between the arm and the upper grip plate, and wherein the dental articulator further comprises: a first clamp block having spherical recesses contacting with the first and second balls; a second clamp block having spherical recesses contacting with the first and second balls; a lever disposed on an outer surface of the second clamp block; an engaging bolt passing through the lever and the second clamp block into the first clamp block; and fastening bolts engaged into the lever to shorten a distance between the first and second clamp blocks.

REFERENCES:
patent: 2765533 (1956-10-01), McMorris
patent: 3019529 (1962-02-01), Hinze
patent: 4196518 (1980-04-01), Benzaria
patent: 5592809 (1997-01-01), Marcotrigiano et al.

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