Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Having separate expander means – Including sleeve and distinct tapered expander
Patent
1993-06-29
1995-02-07
Lindsey, Rodney M.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Having separate expander means
Including sleeve and distinct tapered expander
411 45, 411510, F16B 1306
Patent
active
053870654
ABSTRACT:
A reusable pin and grommet fastener where the grommet includes a head, a shank, an axial bore extending through the head and shank and two legs flexibly hinged to a distal end of the shank and extending outwardly away from the shank with a slight taper toward the bore. The pin includes a shank with a tapered distal end and a plurality of grooves formed about the shank so that after initial insertion of the grommet within an aperture of an article the pin can be inserted within the bore of the grommet to lock the grommet in the aperture of the article and the legs of the grommet readily can flex outwardly with a slight insertion force until seated within a groove of the pin which retain the pin in the grommet with a substantial predetermined removal force that nevertheless enables removal of the pin without damaging either the pin or the grommet.
REFERENCES:
patent: 2741938 (1956-04-01), Johnson
patent: 3385157 (1968-05-01), Rapata
patent: 3918130 (1975-11-01), Poe
patent: 4610587 (1986-09-01), Wollar et al.
patent: 4668145 (1987-05-01), Hirohata
patent: 4716633 (1988-01-01), Rizo
patent: 4759670 (1988-07-01), Under et al.
patent: 4840523 (1989-01-01), Oshida
patent: 4861208 (1989-08-01), Boundy
patent: 5290137 (1994-03-01), Duffy, Jr.
Illinios Tool Works Inc.
Lindsey Rodney M.
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