Patent
1977-06-22
1978-09-19
Britts, Ramon S.
24214, F16B 1306
Patent
active
041145097
ABSTRACT:
An entry resistance means for a two piece fastener of the type having a plunger and a grommet, the grommet including a set of fingers having a contracted position for insertion through an opening and an expanded position locking the grommet in the opening accomplished by axial insertion of the end of the plunger component between the fingers; the entry resistance means is disposed axially from the fingers and comprises mutually engagable portions of the grommet and plunger which increases the resistance to entry of the plunger into the grommet without change in the dimensions of the grommet.
REFERENCES:
patent: 3029486 (1962-04-01), Raymond
patent: 3093027 (1963-06-01), Rapata
patent: 3112547 (1963-12-01), Poe
patent: 3116528 (1964-01-01), Poe
patent: 3203105 (1965-08-01), Whistler et al.
Britts Ramon S.
Hartwell Corporation
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