Plastic rivet having flexible drive pin

Details Plastic rivet having flexible drive pin Plastic rivet having flexible drive pin

1987-07-01

1989-05-16

Gall, Lloyd A.

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

Having separate expander means

Frangible member

411509, F16B 1304

Patent

active

048305561

ABSTRACT:
A two piece rivet having a deflectable drive pin for retaining the drive pin in a partially inserted position between the expandable prongs of the rivet is disclosed. The deflectable drive pin includes a hole forming two parallel resiliently deflectable segments each having a radial nib resiliently urged against the head of the rivet in a central drive pin hole. Retention of the drive pin in the fully inserted position between the prongs is effected by a pair of spaced apart circumferential interrupted grooves on the pin receiving projections on inner surfaces of the rivet prongs.

REFERENCES:
patent: 2542144 (1951-02-01), Kearns
patent: 3323404 (1967-06-01), Fischer
patent: 3918130 (1975-11-01), Poe
patent: 4426181 (1984-01-01), Omata
patent: 4571134 (1986-02-01), Berlinger et al.

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