Drill assembly and method to reduce drill bit plunge

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8511945
APP PUB NO 20090245956A1
SERIAL NO

12413763

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A drill assembly and method for reducing plunge of a drill bit upon breaking through a workpiece. The drill assembly contains a motor to advance and retract the drill bit, the motor is controlled by a control unit in a feedback loop to achieve a desired stiffness. The control unit determines when the drill bit breaks through the workpiece and stops or retracts the movement of the drill bit.

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Patent Owner(s)

  • QUANSER CONSULTING INC.

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Apkarian, J G Agop Toronto, CA 1 42
Gardner, Don Burlington, CA 2 148
Karam, Paul Toronto, CA 4 147

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