Manual locking means for bit holder with micro/macro adjustment

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United States of America Patent

PATENT NO 8827773
APP PUB NO 20110117826A1
SERIAL NO

13003054

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A locking means for a bit holder fixture for use with grinding apparatus for grinding the hard metal inserts of rock drill bits is provided. The locking means has a macro adjustment for quick positioning of a pressure plate against the body of the bit(s) and a micro adjustment to lock the bit(s) in place by applying pressure against the skirt or shank of the drill bit(s).

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Patent Owner(s)

Patent OwnerAddress
C M E BLASTING & MINING EQUIPMENT LTD333 WYECROFT ROAD UNIT 9 OAKVILLE ONTARIO L6K 2H2

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Sjolander, Bjorn Burlington, CA 9 13
Sjolander, Bo Thomas Oakville, CA 13 46
Sjolander, Robert Oakville, CA 9 80

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