Drill bit of a ground drilling device with an enlargement of a receptacle for fastening an attachment thereto and method for producing same

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United States of America Patent

PATENT NO 11970909
APP PUB NO 20230003087A1
SERIAL NO

17856065

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Importance

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Abstract

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A drill head of a ground drilling device includes a drill bit and an attachment which can be fastened to the drill bit, wherein at least one dowel pin is provided for holding the attachment on the drill bit, and the drill bit has one or more receptacles for a dowel pin, wherein the receptacle is enlarged with respect to the radius of the dowel pin.

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Patent Owner(s)

Patent OwnerAddress
TRACTO-TECHNIK GMBH & CO KGREIHERSTRASSE 2 57368 LENNESTADT

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Püttmann, Franz-Josef Lennestadt, DE 22 69

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