Line trimmer/grinder system

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United States of America Patent

PATENT NO 9056381
SERIAL NO

14140121

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A support pole has upper, lower and intermediate extents. A motor with a drive shaft is coupled to the lower extent of the support pole. A grinding component is coupled to the drive shaft. The grinding component includes an annular plate below, a cylindrical sleeve above and a hemispherical dome there between. The sleeve is adapted to receive the drive shaft. The annular plate has a downwardly facing abrasive surface. The dome ventilation apertures. A bushing is coupled to the drive shaft for axial securement of the dome and abrasive surface to the motor.

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Patent Owner(s)

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International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Airosa, Frank L Tulare, US 4 6

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