Holding device for a dental dowel pin

Details Holding device for a dental dowel pin Holding device for a dental dowel pin

1983-03-09

1984-07-03

Wilson, John J.

Dentistry

Apparatus

Having gauge or guide

24550, 24567, A61C 1900

Patent

active

044577095

ABSTRACT:
The holding device of the present invention comprises an elongated wire rod of unitary construction having a lower straight section with a pointed end adapted for insertion into an impression material of a dental mold, an intermediate section having a wire coil adapted to grip a dowel pin and an upper section extending from the intermediate section and being angularly displaced therefrom such that upon compressing and releasing the upper section relative to the intermediate section the turns of the wire coil are spread open for inserting and releasably locking a dowel pin therein with the dowel pin being automatically aligned relative to said lower section.

REFERENCES:
patent: 173241 (1876-02-01), Schauble et al.
patent: 517545 (1894-04-01), Duckett
patent: 851678 (1907-04-01), Levy
patent: 2002435 (1935-05-01), Dossey
patent: 2155496 (1939-04-01), Lane
patent: 3469316 (1969-09-01), Stern et al.
patent: 3553839 (1971-01-01), Gores
patent: 3639985 (1972-02-01), Pasko

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