Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Having separate expander means – Including sleeve and distinct tapered expander
Patent
1986-02-13
1987-03-03
Smith, Gary L.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Having separate expander means
Including sleeve and distinct tapered expander
411349, 24607, 24453, F16B 1306, F16B 2100
Patent
active
046472622
ABSTRACT:
Disclosed here is a fastener made of synthetic resin or the like for removably fixing a plurality of plate-like members, said fastener comprising a female member and a male member, said female member comprising a base plate formed with a hole into which a shaft portion of said male member is inserted, a stopper of substantially W-shape in section provided with a pair of leg portions extending from a lower surface of said base plate along an edge portion of said hole and a link portion of substantially inversed U-shape in section for connecting said leg portions, and a pair of engagement projections inwardly projecting from an inner periphery of said hole; said male member comprising a head portion, a shaft portion provided with a neck portion downwardly extending from said head portion and a flat portion downwardly extending from said neck portion and adapted to be inserted into said hole, said flat portion being provided with a pair of stop projections and shoulders adapted to be engaged with said engagement projections at an upper portion thereof, said flat portion being formed with a hollow portion opened at a lower end thereof to thereby form a substantially sectionally rectangular cylindrical shape, wherein said link portion of said stopper is rotatably fitted in said hollow portion, and said leg portions and said link portion are elastically deformed to be spread and contracted in interlocking relation with each other.
REFERENCES:
patent: 3272061 (1966-09-01), Seckerson
patent: 3964364 (1976-06-01), Poe
patent: 4007516 (1977-02-01), Coules
Daiwa Kasei Kogyo Kabushiki Kaisha
Smith Gary L.
Toyota Jidosha & Kabushiki Kaisha
Wilson Neill
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