Hex head wrench

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5873290
SERIAL NO

08870463

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A hexagonal head wrench having a body, six sides and six corners. A protuberance is formed on each corner. Each protuberance has two oppositely oriented flank members angled at a predetermined angle outwardly and away from each corner. Engagement of the wrench with a fastener occurs on a portion of each respective flank member distal from the corner. Continued application of torque progressively radially engages each flank member with the fastener.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
EASCO HAND TOOLS, INC.SIMSBURY, CT9

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chaconas, Peter Constantine Glyndon, MD 7 274

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