Blind fastener

Details Blind fastener Blind fastener

1979-07-24

1981-01-27

Holko, Thomas J.

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

Having separate expander means

Including sleeve and distinct tapered expander

F16B 1304

Patent

active

042468280

ABSTRACT:
A blind fastener having a rivet sleeve, a core bolt, an expansible sleeve integral with the rivet sleeve, and a locking ring. The core bolt extends through the rivet sleeve and includes a sleeve expanding portion abutting against the sleeve with an enlarged stop ring at the end of the expanding portion. The ring encircles the core bolt and is disposed in a throughbore in the head of the rivet sleeve. The ring is split and has an internal chamfer for facilitating assembly regardless of irregularities on the core bolt. The core bolt has a stop thereon for preventing movement of the ring away from the head of the rivet sleeve toward a threaded portion of the core bolt.

REFERENCES:
patent: 2372222 (1945-03-01), Mullgardt
patent: 2397111 (1946-03-01), Huck
patent: 2466811 (1949-04-01), Huck
patent: 2531270 (1950-11-01), Hood
patent: 2765699 (1956-10-01), La Torre
patent: 3148578 (1964-09-01), Gapp
patent: 3215024 (1965-11-01), Brilmyer et al.
patent: 3371572 (1968-03-01), King
patent: 3377907 (1968-04-01), Hurd
patent: 3377908 (1968-04-01), Stau et al.
patent: 3515419 (1970-06-01), Baugh
patent: 3643544 (1972-02-01), Massa
patent: 3685391 (1972-08-01), Gapp et al.
patent: 3915055 (1975-10-01), Binns
patent: 4012984 (1977-03-01), Matuschek
patent: 4089249 (1978-05-01), Binns

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