Expansion anchor with an anisotropic coefficient of friction

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United States of America Patent

PATENT NO 9970465
APP PUB NO 20160290374A1
SERIAL NO

15037452

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Abstract

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An expansion anchor including a stud, at least one expansion element, and at least one slanted surface that is arranged on the stud and that pushes the expansion element radially outwards when the stud is moved in a pull-out direction relative to the expansion element is provided. It is provided that the coefficient of friction between the expansion element and the slanted surface is dependent on the direction.

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Patent Owner(s)

Patent OwnerAddress
HILTI AKTIENGESELLSCHAFT9494 SCHAAN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gstach, Peter Schaan, LI 18 96
Winkler, Bernhard Feldkirch, AT 82 448

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