Drill bit with an exchangeable cutting portion

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United States of America Patent

PATENT NO 9821379
SERIAL NO

14367784

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A drill bit which is rotatable about a drilling axis is disclosed. The drill bit has a cutting section having one or more cutting segments and a first plug-connecting element and a drill shaft section having a second plug-connecting element. The first plug-connecting element and the second plug-connecting element form a plug connection and the first plug-connecting element and the second plug-connecting element are connectable by a pin connection.

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Patent Owner(s)

  • HILTI AKTIENGESELLSCHAFT

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ebert, Joerg Feldkirch, AT 4 6
Hoop, Matthaeus Eschen, LI 18 102
Weber, Christoph Neuheim, CH 102 401

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