Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Threaded fastener locked to a discreet structure – Nut – and means to engage substructure on its opposite faces...
Patent
1995-05-30
1996-12-17
Wilson, Neill R.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Threaded fastener locked to a discreet structure
Nut, and means to engage substructure on its opposite faces...
411383, 411396, 411424, 403334, 606 73, F16B 3502, F16B 3712, A61B 1756
Patent
active
055846297
ABSTRACT:
A connection for components in a medical implant assembly utilizes a tapered mating surface on each component with cylindrical splines and flutes formed on each mating surface such that the surfaces are complementary to the extent that the splines of one surface are received in the flutes of the adjacent surface. Each surface is continuous with no discontinuity which would act as a stress raiser or enhance concentration of stress in one locale. The complementary surfaces are urged into registry by a screw connection coaxially through the surfaces.
REFERENCES:
patent: 1552569 (1925-09-01), Schurman
patent: 3485520 (1969-12-01), Alexander
patent: 4293302 (1981-10-01), Hassler et al.
patent: 4662775 (1987-05-01), Faul
patent: 4960381 (1990-10-01), Niznick
patent: 5334024 (1994-08-01), Niznick
A brochure for Swede-Vent TL by Dentsply (attached) 15821 Ventura Blvd., te 420, Encino, CA 91436.
Bailey A. Gregory
Folsom, Jr. A. C.
Crystal Medical Technology, a division of Folsom Metal Products
Wilson Neill R.
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