Patent ID: 8424478

Claim:
A device for inhibiting fluid flow through an opening, comprising: a shaft having first and second ends; a folding lever assembly disposed at the second end of the shaft, the folding lever assembly having a retracted position and an extended position, the folding lever assembly further comprising: a housing coupled to the second end of said shaft; and a plurality of levers, each said lever having a first lever end proximal to the second end of the shaft, and a second lever end distal to the second end of the shaft; each said lever pivotally connected to the housing at its first lever end, and wherein when the folding lever assembly is in the retracted position, each lever extends from the second end of the shaft in a direction away from the first end of the shaft; a sliding guide arm assembly associated with the shaft, the sliding guide arm assembly having a plurality of guide arms; and a seal connected to the folding lever assembly; wherein when the folding lever assembly is configured from the retracted position to the extended position the seal is configured from a folded configuration to an unfolded configuration and the folding lever assembly is positionable opposite the plurality of guide arms to enable the device to engage a structure therebetween.