Installation tool, tangless helically coiled insert

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4553302
SERIAL NO

06581837

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An insertion tool for a helically coiled wire insert of the type used for tapped holes in parent material that is generally softer than a fastener being screwed into the tapped hole, whereby a mandrel having a threaded lead portion and a pivotal pawl inserted in a groove below the threaded portion so that the pawl engages a recess of the insert, in order that the insert may be screwed into the tapped hole. The pivotal pawl also permits removal and reinsertion of the tool after the coil insert has been installed.

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Patent Owner(s)

  • CITICORP NORTH AMERICA, INC.;VSI CORPORATION

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cosenza, Frank J San Pedro, CA 39 584
Yamamoto, Albert K Huntington Beach, CA 17 283

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