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
1986-02-03
1987-06-23
Smith, Gary L.
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...
411310, 411437, F16B 3702
Patent
active
046749314
ABSTRACT:
A fastener for securing primary and secondary panels together comprises a molded plastic one-piece U-nut and a molded plastic screw. The nut comprises two plates, each having a plate hole therethrough, which face each other with their plate holes in registry and which are integrally and resiliently interconnected along one edge in spaced apart relationship. One plate supports on its outer side an integrally formed nut shank having an internally threaded bore in registry with the plate holes. The other plate supports on its innerside an integrally formed annular shaped sloped lock tab which surrounds its associated plate hole and holds the nut in place on the primary panel. The bore thread is formed in discrete thread sections and locking teeth are formed on the undersides of the bore thread sections. The screw comprises a threaded screw shank having a screw head at one end. The screw thread has locking teeth formed on the upper side thereof at intervals therealong. In use, the U-nut is slipped onto the edge of the primary panel so that its plate holes and shank bore register with an oversized panel hole inward of the panel edge. The panels are then placed face-to-face and the threaded screw shank is axially inserted through a hole in the secondary panel and through the plate holes in the U-nut.
REFERENCES:
patent: 4273175 (1981-06-01), Capuano
patent: 4396326 (1983-08-01), McKinnie, III et al.
patent: 4570303 (1986-02-01), Richmond et al.
patent: 4571136 (1986-02-01), Peek
Bart Joseph
Schwind Richard J.
Wollar Burnell
Kirby Thomas F.
Nilles James E.
Phillips Plastics Corporation
Smith Gary L.
Wilson Neill
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