Battery powered concrete vibrator

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United States of America Patent

PATENT NO 9695605
SERIAL NO

14348066

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Importance

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Abstract

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A battery powered concrete vibrator is provided with a vibration head; a brushless DC motor disposed in the vibration head; a drive shaft disposed in the vibration head, rotatably disposed through the brushless DC motor, and operatively driven by the brushless DC motor, the drive shaft including a lengthwise groove on an outer surface, thereby rendering the drive shaft unbalanced; and a groove-shaped vibration member put on the drive shaft. The drive shaft can impart rotation to the vibration member.

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Patent Owner(s)

Patent OwnerAddress
JIN KEYOUNot Provided

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jin, Keyou Wenling, CA 1 10

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