Feed mechanism for drilling systems

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8371397
APP PUB NO 20100059280A1
SERIAL NO

12340223

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A cartridge feed screw nut includes a body having a tubular threaded opening defined therein and having side portions. The side portions include a plurality of lateral surfaces and a plurality of end surfaces. The lateral surfaces and the end surfaces form a profile shaped to prevent rotation of the cartridge feed screw nut relative to a front washer cylinder through engagement between at least one of the lateral surfaces or the end surfaces with the front washer cylinder.

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Patent Owner(s)

  • LONGYEAR TM, INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Roberts, Neil James Johannesburg, ZA 4 26

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