Shoulder protected drilling assembly

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 12098599
APP PUB NO 20240117687A1
SERIAL NO

17767726

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Abstract

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A drilling assembly for percussive drilling includes at least two of a drill bit, a drill rod and a guide adapter. A peripheral surface of the shoulder on the drill rod is at least partially encased in both radial and axial directions inside the mounting sleeve of the drill bit or the mounting sleeve of the guide adapter, and/or the peripheral surface of the shoulder on the guide adapter is at least partially encased in both radial and axial directions inside the mounting sleeve of the drill bit.

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Patent Owner(s)

Patent OwnerAddress
SANDVIK MINING AND CONSTRUCTION TOOLS AB81181 SANDVIKEN SWEDEN

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hammargren, John Sandviken, SE 15 533

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