Structural blind fastener

Details Structural blind fastener Structural blind fastener

1996-01-11

1999-09-07

Green, Brian K.

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

Having separate expander means

Bulged by axially contracting ends

411 38, 411 39, 411 43, 411 54, 411 55, F16B 1304, F16B 1306

Patent

active

059476672

ABSTRACT:
Extended fatigue endurance and high pre-load are achieved in a structural blind fastener by combining the best features of screw type and pull type blind fasteners. We replace fatigue critical details from the shear plane with close tolerance, slip fit, core bolt and outer bolt shanks to obtain the desired structural load paths while retaining anchoring features of screw type fasteners to introduce adequate pre-load. These fasteners are compatible with currently available blind bolt insertion tooling.

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