Dentistry – Prosthodontics – Holding or positioning denture in mouth
Patent
1990-08-01
1993-03-16
Mancene, Gene
Dentistry
Prosthodontics
Holding or positioning denture in mouth
A61C 1312, A61C 13225
Patent
active
051940027
ABSTRACT:
An anchor for securing a detachable part to a fixedly mounted part of a dental prosthesis consists of a patrix which has an undercut portion and a second coupling member (12) which surrounds the first coupling member in ring-like fashion and extends into the undercut portion with at least one resilient detent element (14,20). The detent element (17,20) extends tangentially of the patrix and is held in a flat recess (41) of the second coupling member (12;112) at both sides of the location where it extends into the undercut portion of the patrix. It is preferred to provide two detent elements (17, 20) on a U-shaped insert member which can be pushed into and withdrawn from a complementary recess (16) of the second coupling member (12;112) with releasable locking action. The insert member can simply constitute a bendable spring, and the detent elements (17, 20) are constituted by a U-shaped leg (17).
REFERENCES:
patent: 4196516 (1980-04-01), Poveromo
patent: 4380436 (1983-04-01), Kipp
patent: 4474499 (1984-10-01), Pedrazzini
patent: 4746295 (1988-05-01), Kipp
patent: 4773859 (1988-09-01), Obersat
patent: 4790754 (1988-12-01), Weissman
patent: 4973249 (1990-11-01), Silvio et al.
patent: 5040985 (1991-08-01), Obersat
Kontler Peter K.
Lucchesi Nicholas D.
Mancene Gene
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