发明名称 Screw grommet
摘要 Disclosed is a plastic screw grommet, comprising a flange head containing a through hole for insertion of a screw at the center thereof, a pair of insertion leg members perpendicularly extending downwardly from the undersurface of said flange head opposite each other with reference to said through hole and having engaging projections formed one each on the outer surfaces thereof, a pair of leaves adapted to avoid restraining the movement of said leg members and stretched one each to integrally connect the opposed edges of the leg members so as to form a substantially cylindrical enclosure in conjunction with the leg members, whereby the leading end of a screw driven through said flange head is wrapped in said cylindrical enclosure.
申请公布号 US4070945(A) 申请公布日期 1978.01.31
申请号 US19760684202 申请日期 1976.05.07
申请人 NIFCO INC. 发明人 KUROSAKI, MUTSUO
分类号 F16B13/14;F16B37/04;(IPC1-7):F16B13/04 主分类号 F16B13/14
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