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
1993-01-19
1994-04-12
Lindsey, Rodney M.
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...
411188, 411399, 411968, F16B 3704
Patent
active
053020669
ABSTRACT:
A locking fastener in accordance with the invention comprises a head or a nut body having a radially outer surface defining an outer periphery of selectible configuration and a height dimension defining an axial direction. A shank or a locking neck portion extends axially from the head or nut body and has a radially outer surface defining an outer diameter of smaller cross-sectional dimension than the outer periphery of the head or nut body. A substantially flat radially extending locking surface is defined on the head or nut body between the outer surface thereof and the outer surface of the shank or locking neck, and a plurality of raised locking ribs extend across at least a portion of the locking surface, each of the ribs being arranged angularly offset in a direction corresponding to the direction of rotation of the nut to attain advancement toward a clamped engagement, (viz. clockwise for a right hand thread and counterclockwise for a left hand thread) said angle being defined by the rib and a radial line which extends across the locking surface and intersects the rib.
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Bieschke Martin P.
Briney James A.
Lindsey Rodney M.
Textron Inc.
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