Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Headed fastener element with nut – washer – securing means or cap – Metallic resilient securing means
Patent
1994-02-07
1995-01-17
Wilson, Neill R.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Headed fastener element with nut, washer, securing means or cap
Metallic resilient securing means
411107, 411970, 411999, F16B 2118, F16B 3900
Patent
active
053821246
ABSTRACT:
A fully retractable captive screw that is low profile, having a snap-in feature allowing for installation of the device into a hole on a panel, by hand, without the need for separate tools. The fully retractable captive screw has a screw, a knob with a screwdriver recess on top, a cylindrical ferrule with attached snap-in mechanism, and a spring that causes the screw to retract into the ferrule when the screw is not engaged.
REFERENCES:
patent: 3465803 (1969-09-01), Ernest et al.
patent: 3564563 (1971-02-01), Trotter et al.
patent: 3912411 (1975-10-01), Moffat
patent: 4387497 (1983-06-01), Gulistan
patent: 4915557 (1990-04-01), Stafford
patent: 4952107 (1990-08-01), Dupree
patent: 5094579 (1992-03-01), Johnson
Penn Engineering & Manufacturing Corp., "Snap-Top Standoffs", Pem Bulletin SSA-988, (Danboro, Pa.).
Penn Engineering & Manufacturing Corp., "Fasteners For Use In Or With PC Boards", Pem Bulletin K-488 (Danboro, Pa.).
Camloc Fasteners "Captive Screws", Catalog No. 3800, pp. 1-12 (Hasbrouck Heights, N.J.).
Accurate Screw Machine Co. Catalog, p. 19, (Nutley, N.J.).
Microplastics, Inc., Standard Parts Catalog, pp. 1-16, (Flippin, Ark.).
Microplastics, Inc., Microplastics Brochure, "Polycarbonate Fasteners" (Flippin, Ark.).
Southco, Inc., Southco Fasteners Handbook 43, pp. C1-C11, C18-C27, (Pennsylvania. 1993).
Southco Inc.
Wilson Neill R.
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