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
1997-10-10
1999-03-16
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...
411180, 411427, F16B 3704, F16B 3900
Patent
active
058821597
ABSTRACT:
An element, for example an element with a hollow body or a bolt element, in particular a nut element, for attachment to a plate-like component, has a ring-shaped recess or annular groove present at an end face of the element facing the component within a raised ring-shaped contact surface. At least one undercut is preferably provided in a side wall of the recess, and also features radial recesses and noses which extend into the ring recess providing security against rotation. A cylindrical punch section or pilot concentric to the central longitudinal axis of the element projects at the said end face within the ring-shaped recess and the outer boundary wall of the cylindrical punch section preferably has ring-shaped undercut. A material supply is formed at or adjacent to the free end face of the cylindrical punch section and is displaceable at least locally by means of a die button on insertion of the element into the ring-shaped recess in order to capture or clamp material of the component which has previously been deformed by the die button into the ring-shaped recess between itself and the base surface of the ring recess. In this way an improved security against rotation, an increased press-out resistance and an improved behavior against alternating loads in operation is achieved.
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Profil Verbindungstechnik GmbH & Co.
Wilson Neill
LandOfFree
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