Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Headed fastener element – Having resilient securing structure on shank
Patent
1995-11-24
1998-08-25
Meyers, Steven N.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Headed fastener element
Having resilient securing structure on shank
411509, 411510, 411907, 411913, F16B 1900
Patent
active
057977143
ABSTRACT:
A plastic fastener for insertion inside a complementary opening in a part in the course of manufacture, in particular, a panel fastener for insertion inside a prismatic hole formed in a vehicle body part; the fastener compromising a head, and a shank in turn compromising elastic engaging members which snap on to respective sides of the opening and are oriented in at least one plane crosswise to the shank; the fastener being characterized in that the shank comprises an appendix projecting axially in front of the elastic engaging members with respect to the insertion direction of the fastener inside the opening; the appendix being pointed, and presenting at least one rib of a width substantially equal to the diagonal extension of the prismatic opening, and of a thickness much smaller than the width; and the rib being oriented, width-wise, in a plane forming an angle with the plane of the elastic engaging members.
REFERENCES:
patent: 3093874 (1963-06-01), Rapata
patent: 3550217 (1970-12-01), Collyer
patent: 3745612 (1973-07-01), Seckerson
patent: 4604776 (1986-08-01), Takahashi
patent: 4728238 (1988-03-01), Chisholm et al.
patent: 4927306 (1990-05-01), Sato
Conley Fredrick
ITW Fastex Italia S.p.A.
Meyers Steven N.
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