Blind fastener
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United States of America Patent
Stats
-
Sep 29, 1987
Grant Date -
N/A
app pub date -
Sep 18, 1985
filing date -
Sep 18, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A blind fastener of the type wherein a cylindrical stem or mandrel pulled within a tubular sleeve or rivet body to cause legs formed in the latter to collapse outwardly into engagement with the blind side of a work piece. Such legs are formed in the rivet body by providing longitudinal cuts or slots, and each of such legs is deformed or crimped inwardly to provide an offset condition which virtually insures proper and effective outwardly collapsing of all of the legs, substantially simultaneously. The stem is further provided with a portion for engaging such legs at their respective offset locations to insure hole-filling and strong, firm setting of the collapsed legs against the work piece.
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