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...
Reexamination Certificate
2006-12-22
2009-08-04
Estermsky, Gary (Department: 3677)
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...
C411S970000, C411S125000, C411S173000
Reexamination Certificate
active
07568870
ABSTRACT:
A push nut comprises legs (6, 7), each of which is configured with outer struts (5), inner struts (17) spacedly disposed between the outer struts (5), and a tongue (19) lying between the inner struts (17) and projecting into an inner space (16) and intended to bear against a shank of a bolt that can be screwed into a thread portion (4). A high pull-out strength is thereby obtained with relatively low material expenditure.
REFERENCES:
patent: 2720135 (1955-10-01), Gisondi
patent: 3426817 (1969-02-01), Parkin
patent: 4606688 (1986-08-01), Moran et al.
patent: 4610588 (1986-09-01), Van Buren, Jr. et al.
patent: 4925351 (1990-05-01), Fisher
patent: 6095734 (2000-08-01), Postadan et al.
patent: 6908274 (2005-06-01), Vassiliou
patent: 7226260 (2007-06-01), Jackson et al.
patent: 3524651 (1986-02-01), None
patent: 20319556 (2004-03-01), None
patent: 60026487 (2006-11-01), None
International Search Report issued in PCT/EP2006/012443.
A. Raymond Et Cie
Baker & Daniels LLP
Estermsky Gary
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