Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Having separate expander means – Including sleeve and distinct tapered expander
Patent
1991-07-15
1992-09-15
Wilson, Neill R.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Having separate expander means
Including sleeve and distinct tapered expander
411 69, 411339, 411501, F16B 1306, F16B 2100
Patent
active
051471671
ABSTRACT:
The disclosure relates to a grommet for relatively soft panels comprising male and female elements that mechanically interlock with one another. The male and female elements having complementary truncated conical surfaces that pinch and deflect a flanged portion of the skin of the panel into a complementary annular rib and groove thereby to fasten and minimize creep of the skin relative to the grommet. The male and female elements of the grommet are positively locked to one another by a relatively simple assembly operation.
REFERENCES:
patent: 375677 (1887-12-01), Kyle
patent: 2147922 (1939-02-01), Reiter
patent: 2647432 (1953-08-01), Huck
patent: 2670647 (1954-03-01), Jones
patent: 2957196 (1960-10-01), Kreider et al.
patent: 3316793 (1967-05-01), Mitchell
patent: 3443473 (1969-05-01), Tritt
patent: 3494246 (1970-02-01), Hensley
Berecz Imre
Elmes Derek
Microdot Inc.
Wilson Neill R.
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