Jack assembly

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United States of America Patent

PATENT NO 9937903
SERIAL NO

14768332

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A jack assembly including a telescopic column driven via a gear box, wherein: the gear box is coupled to a rotary input of a drive mechanism that extends and retracts the column; the gear box has only a single input gear and a single output gear that is coupled to the drive mechanism; and the input gear has a connector adapted to be engaged and driven by a portable, hand-held power tool. A jack assembly with a gear box for use as a jockey wheel for attachment to a towed vehicle, to raise and lower a draw bar of the vehicle is also provided.

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First Claim

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Patent Owner(s)

  • BOS FABRICATION ENGINEERING SERVICES PTY LTD

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Van, Den Bos Jurgen Sydney, AU 4 5

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