Dentistry – Apparatus – Having gauge or guide
Patent
1978-05-08
1980-06-03
Mancene, Louis G.
Dentistry
Apparatus
Having gauge or guide
A61C 1300
Patent
active
042054435
ABSTRACT:
A dowel pin for removably mounting a dental model cast relative to a base cast, the dowel pin being a two-part structure to define a head portion and a shank portion extending therefrom, where the portions are threadedly engaged together in an axial alignment with each other. The head portion is adapted to be fixedly secured in the dental model cast so that the exposed end thereof is flush with a flat surface of the dental model cast. The shank portion is adapted to be removably insertable into a complimentary opening provided in the base cast, preferably with a sleeve member being provided in the opening to slidably receive the shank portion therein. The portions are selectively engageable and disengageable from each other whether or not the model cast is mounted upon the base cast. Accordingly, the dental model cast can easily be cut into segments after the head portion is secured therein. A tool is provided for engaging a free end of the shank portion in order to unthread the shank portion from the head portion so that the dental model cast or segments thereof can easily be removed from the base cast after the portions are disengaged.
REFERENCES:
patent: 203858 (1878-05-01), Starr
patent: 640551 (1900-01-01), Fones
patent: 1279805 (1918-09-01), Whitaker
patent: 3286350 (1966-11-01), Cooper
patent: 3510947 (1970-05-01), Tuccillo et al.
patent: 3518761 (1970-07-01), Susman et al.
patent: 3521354 (1970-07-01), Stern et al.
patent: 3932939 (1976-01-01), Weissman
patent: 4054995 (1977-10-01), Yoshida
IPCO Hospital Supply Corporation
Mancene Louis G.
Wilson John J.
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