Sharpener with autostop feature

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8353323
APP PUB NO 20100326568A1
SERIAL NO

12826041

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An electric pencil sharpener comprising a motor; a cutter assembly operatively connected to the motor, wherein the cutter assembly further includes: a conical housing defining a conical cavity therein for receiving a pencil; and at least one rotary blade mounted in close proximity to the conical cavity, wherein the at least one rotary blade further includes spiral cutting edges for sharpening the pencil; a switch assembly positioned at the narrow end of the conical housing, wherein the switch assembly further includes: a shutoff switch operative to deactivate the motor; mechanical means for actuating the shutoff switch when a desired degree of sharpening has been achieved by the cutter assembly; and an electronic control unit in electrical communication with the switch assembly and the motor, wherein the electronic control unit is operative to provide a delay of a predetermined period of time between when the shutoff switch is activated and when the motor is deactivated.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
SANFORD L P6655 PEACHTREE DUNWOODY ROAD ATLANTA GA 30328

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dunlap, Ben Statesville, US 5 82
Muir, Theo Columbus, US 1 48
Schumacher, Michael Hilliard, US 37 692

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