Metal working – Method of mechanical manufacture – Assembling or joining
Patent
1987-03-16
1988-05-31
Moon, Charlie T.
Metal working
Method of mechanical manufacture
Assembling or joining
29521, 29523, 29526R, 411187, B23D 1100
Patent
active
047472022
ABSTRACT:
A blind fastener of the type having a fastener body, a threaded stem and a sleeve is provided with a deformable drive nut in abutting contact with the fastener body to provide a positive mechanical engagement between the abutting surfaces of the two elements. The underside of the drive nut has an annular ridge made of a deformable material adapted to deform into indentations in the outer surface of the fastener body. The positive mechanical engagement between the two elements minimizes the build-up of tensile load applied to the stem during setting of the fastener.
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Voi-Shan/Monogram/Aerospace Fastener Drawing #PLT-1040, 2 pages, Apr., 1974.
Monogram Industries Inc.
Moon Charlie T.
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