Invention Grant
US08636455B2 Installable assembly having an expandable outer member and a fastener with a mandrel 有权
具有可膨胀外部构件和具有心轴的紧固件的可安装组件

Installable assembly having an expandable outer member and a fastener with a mandrel
Abstract:
A fastener assembly is installable in an opening of a workpiece and includes an outer member and a fastener. The fastener is movable through a passageway of the outer member. The fastener includes a mandrel and a stem. The mandrel is dimensioned to radially expand the outer member. The stem has an expansion portion and a propping portion. The expansion portion radially expands the outer member after the outer member has been expanded by the mandrel. The propping portion keeps the expanded outer member in an installed expanded configuration. The outer member and fastener are installed in a single operation to reduce installation time.
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