Detachable fastener for joining impressions of a mouth onto a de

Details Detachable fastener for joining impressions of a mouth onto a de Detachable fastener for joining impressions of a mouth onto a de

1980-11-17

1982-03-16

Peshock, Robert

Dentistry

Apparatus

Work support

A61C 1100

Patent

active

043198759

ABSTRACT:
A detachable fastener for joining impressions of a mouth formed of a lower mouth model and upper mouth model, each of which may include impressions of teeth, onto an articulator formed of a base member or bottom bow adapted to support the lower mouth model and a top member or top bow adapted to support the upper mouth model and wherein each of the base and top members has a layer of cured binding material formed thereon adjacent the respective mouth model and the detachable fastener comprises a first connecting means having an annular shaped connecting collar of a predetermined length and diameter which has extending axially from one side a spherical shaped joining member and extending axially from the other side an enlarged base member, and a second connecting means having a socket housing formed of an elongated, thin walled tubular member having an opening at one end thereof which extends into and through the interior of the socket housing wherein the opening is adapted to receive and pass the spherical shaped joining member into the interior of the socket housing and wherein the socket housing includes a means for defining in the interior wall of the thin walled tubular member adjacent the opening an annular shaped alignment and gripping member having a sloped edge which extends from the edge of the opening inwardly towards the interior of the socket housing such that when a spherical shaped joining member is inserted into the opening of the socket housing the spherical shaped joining member is directed into engagement with and past the alignment and gripping member until the sloping edge of the alignment and gripping member is positioned into removable gripping relationship with the spherical shaped joining member at approximately the location where it joins the connecting collar and wherein a separating force applied in a direction to urge the first connecting means away from the second connecting means results in the spherical shaped joining member abruptly overriding the gripping relationship of the alignment and gripping member thereagainst to permit separation of the spherical shaped joining member from the socket housing and removing of the mouth model from the articulator is shown. A method for fabricating apparatus for supporting impressions of a mouth on an articulator is shown.

REFERENCES:
patent: 3510947 (1970-05-01), Tuccillo
patent: 4204321 (1980-05-01), Scott

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