Quick and reliable tool

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United States of America Patent

PATENT NO 8622400
APP PUB NO 20110260415A1
SERIAL NO

12764952

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A tool includes a chuck connected to a handle. The chuck includes a mandrel including a non-circular cavity defined therein, a slit in communication with the non-circular cavity, a first bore in communication with the non-circular cavity, and a second bore in communication with the slit. A bit with a non-circular profile can be inserted in the non-circular cavity. A flat bit can be inserted in the slit. A ball is located in the first bore. A pin is located in the second bore. A movable sleeve is located around and movable along the mandrel and formed with a thread. A rotary sleeve is rotationally located around the mandrel and formed with a thread engaged with the thread of the movable sleeve. By rotating the rotary sleeve, the movable sleeve pushes the ball into the non-circular cavity and the pin into the slit.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
YIH CHENG FACTORY CO LTDNO 103 NANKANG 3RD RD NANTUO 54067

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lin, Jack Taichung, TW 176 3186

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