Fastener

Details Fastener Fastener

1988-09-07

1989-10-17

Smith, Gary L.

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

Having separate expander means

Including sleeve and distinct tapered expander

411 41, 411 60, 24297, 24607, 4034081, 403388, F16B 1304

Patent

active

048742767

ABSTRACT:
A fastener includes a cylindrical outer member and an insertion member. The cylindrical outer member has a cylindrical portion with an axial bore, and a flange portion provided at one end of the cylindrical portion. The cylindrical portion tapers toward the other end thereof and includes a plurality of arially extending notches, a plurality of inner projections formed upon inner surfaces of the end portion, and elastically deformable locking pieces projecting obliquely outwardly from an intermediate portion thereof toward the flange portion. The insertion member has a large-diameter portion for disposition within the axial bore of the cylindrical portion. The cylindrical portion is expanded radially outwardly by inserting the insertion member into the axial bore of the cylindrical outer member from the flange portion end thereof and by bringing the large-diameter portion into engagement with the inner projections of the cylindrical portion of the insertion member.

REFERENCES:
patent: 3352195 (1967-11-01), Fisher
patent: 3606814 (1971-09-01), MacKenzie
patent: 4276806 (1981-07-01), Morel
patent: 4358234 (1982-11-01), Takegawa
patent: 4375342 (1983-03-01), Wollar
Nylatch.RTM. catalogue.

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