Multi-jack tensioners

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11292093
APP PUB NO 20190321927A1
SERIAL NO

16310528

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A multi jack tensioner including: a body portion formed to engage an elongate fastening member or integrally formed therewith; a load bearing member for applying force to a workpiece to be fastened and arranged for location about said fastening member adjacent the body portion; a pressure chamber between the load bearing member and the body portion arranged to displace the body portion from the load bearing member in response to hydraulic pressure; and a plurality of jack bolts extending between the body portion and the load bearing member for further displacing the body portion from the load bearing member; wherein application of hydraulic pressure to the hydraulic chamber displaces the body portion from the load bearing member for tensioning said fastening member and whereby subsequent tensioning of the fastening member is applied by operation of the jack bolts.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
SUPERBOLT INC1000 GREGG STREET CARNEGIE PA 15106

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Greenwell, Steven Ontario, CA 4 33
Lutty, Adam Glenn Cranberry Township, US 3 4
Myers, William Jefferson Hills, US 21 386

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