Jack bar with extendable tubes and fixturing mechanism

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United States of America Patent

PATENT NO 7311294
SERIAL NO

10906768

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A jack bar includes an outer tube, an inner tube and a positioner tube coaxially located. The positioner tube is extendable to adjust a length to the jack bar in use while enabling the jack bar to be retracted for storage. The jack bar further includes a clamp configured to receive tubes of various shapes. The clamp is further configured to prevent twisting or turning of clamped tubes.

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First Claim

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Patent Owner(s)

  • ZHEJIANG TOPSUN LOGISTIC CONTROL CO., LTD.

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ruan, Bu Qin Zhejiang, CN 12 63

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