Enclosed plastic screw grommet

Details Enclosed plastic screw grommet Enclosed plastic screw grommet

1990-03-19

1990-11-20

Smith, Gary L.

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Threaded fastener locked to a discreet structure

Nut, and means to engage substructure on its opposite faces...

411 55, 411508, 411913, F16B 3704

Patent

active

049715003

ABSTRACT:
An enclosed plastic screw grommet includes a head flange and a shank portion. The head flange is provided with four radially extending U-shaped slots so as to permit flexing upon insertion into a panel, thereby reducing the force needed. The shank portion includes two sets of opposed ramps formed on its outer surface and which are disposed in an offset relationship with respect to each other to thereby accommodate a variety of panel thicknesses.

REFERENCES:
patent: 2537786 (1951-01-01), Poupitch
patent: 2555292 (1951-05-01), Poupitch
patent: 2560530 (1951-07-01), Burdeck
patent: 3756116 (1973-09-01), Schuplin
patent: 4082030 (1978-04-01), Erickson
patent: 4580859 (1986-04-01), Frano et al.
patent: 4624585 (1986-11-01), Nix et al.
patent: 4762437 (1988-08-01), Mitomi

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