Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Threaded fastener locked to a discreet structure – Member preassembled with substructure at through-passage or...
Patent
1990-07-12
1991-07-16
Wilson, Neill R.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Threaded fastener locked to a discreet structure
Member preassembled with substructure at through-passage or...
411 85, 411432, 411970, F16B 2700, F16B 3700
Patent
active
050320475
ABSTRACT:
A barrel nut retention apparatus for retaining a barrel nut within a cylindrical bore in a panel comprising a barrel nut and retaining means. The barrel nut is comprised of a threaded bore having a longitudinal axis, and a partially cylindrical base portion having opposed first and second shoulders on the outer extremity thereof. The opposed shoulders project away from the threaded bore. Furthermore, the retaining means is comprised of a resilient member having a first portion and a second portion being positioned on opposite sides of the threaded bore and being seated on the opposed shoulders in a plane generally perpendicular to the longitudinal axis. A part of the first portion and a part of the second portion are adapted to engage the panel when the apparatus is installed within the cylindrical bore. Additionally, the resilient member has a third portion disposed between the first and second portions and integrally connecting the first and second portions. This third portion is also engaged with the first shoulder in a plane generally parallel to the longitudinal axis. The retaining means is further comprised of a supporting member connecting the first and second portions of the resilient member. The supporting member is engaged with the second shoulder in a plane generally parallel to the longitudinal axis.
REFERENCES:
patent: 2903035 (1959-09-01), Davenport et al.
patent: 3192982 (1965-07-01), Rohe et al.
patent: 4861207 (1989-08-01), Do
Dee James D.
Nerenberg Aaron
SPS Technologies, Inc.
Wilson Neill R.
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