The Boeing Company
TEMPORARY CLAMPING FASTENER WITH EXPANDABLE CLAMP BLADE

Abstract:

A temporary clamping fastener is disclosed, and includes a bushing having an inner cavity, an upper open end, and a lower open end. The temporary clamping fastener also includes a pull shaft having an elongated body and a slot extending through the elongated body. A portion of the pull shaft is disposed in the inner cavity of the bushing, and the pull shaft is configured to linearly translate relative to the bushing. The temporary clamping fastener also includes a clamp blade disposed within the slot of the pull shaft and rotatable between a stowed position where the clamp blade is housed within the slot and a deployed position and a portion of the clamp blade extends from the slot of the pull shaft to create an engagement surface for through-hole clamping.