Screw having an underhead bearing surface including lubricant pockets

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United States of America Patent

PATENT NO 8784030
APP PUB NO 20130183119A1
SERIAL NO

13737154

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Importance

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Abstract

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A screw (2) has a head (5) including an underhead bearing surface (12). Lubricant pockets (13) are arranged at least in a part of the underhead bearing surface (12). The lubricant pockets (13) serve to contain lubricant and to release the lubricant when tightening a screw joint (1) to prevent galling effects during multiple tightening processes.

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Patent Owner(s)

Patent OwnerAddress
KAMAX HOLDING GMBH & CO KG35315 HOMBERG (OHM)

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bietz, Norbert Rabenau-Londorf, DE 1 5
Grobecker, Markus Gieboldehausen, DE 1 5
Hartmann, Gunther Alsfeld, DE 49 2112

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