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
1985-07-18
1989-01-17
Wilson, Neill
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...
411436, 411947, F16B 3702, F16B 3704
Patent
active
047985070
ABSTRACT:
A nut is provided particularly for use with a sheet metal screw, which nut has a screw-receiving sleeve, with two or more roll-tapped threads having a flattened crest at the apex of the thread angles. An alternate embodiment contemplates providing a double thread on the sleeve inner surface of at least two full revolutions.
REFERENCES:
patent: 1919940 (1933-07-01), Hall
patent: 2340300 (1944-02-01), Booth et al.
patent: 2384508 (1945-09-01), Tinnerman
patent: 2404236 (1946-07-01), Kost
patent: 2560961 (1951-07-01), Knohl
patent: 3304980 (1967-02-01), Koehl
patent: 3315721 (1967-04-01), Koehl
patent: 3331273 (1967-07-01), Derby
patent: 3426817 (1969-02-01), Parkin et al.
patent: 3426818 (1969-02-01), Derby
patent: 3491646 (1970-01-01), Tinnerman
patent: 3626733 (1971-12-01), Zook et al.
patent: 4166309 (1979-09-01), Schenk
patent: 4396326 (1983-08-01), McKinnie, III et al.
patent: 4508477 (1985-04-01), Oehlke et al.
California Industrial Products, Inc.
Netter George J.
Wilson Neill
LandOfFree
Sheet metal U-nut does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Sheet metal U-nut, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Sheet metal U-nut will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2412079