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
1996-07-09
1998-01-20
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 34, 411546, 411999, 403260, F16B 3900, F16B 4302
Patent
active
057095132
ABSTRACT:
An improved mounting structure includes a soft mounting sleeve having a locking hole at a central position for fitting into a through hole of a mount, and a screw fitted with a washer. In assembly, the screw is inserted into the mounting sleeve fitted into the mount before driven into a frame structure. When the screw is driven into the top side of the mount, the bottom side of the mounting sleeve will elevate with the turning of the screw to impose a pressure on the screw threads, thus preventing the screw from being driven further and achieving a good mounting effect. This arrangement also prevents the screw from driving unduly deep into the frame structure due to excessive torsional force to prevent any possible damage to the frame structure or the screw threads.
REFERENCES:
patent: 2525736 (1950-10-01), Taylor
patent: 3257889 (1966-06-01), Fischer
patent: 4762450 (1988-08-01), Schwind et al.
Casey Donald C.
Wilson Neill R.
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