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Table with extendable legs

  • US 6,474,246 B2
  • Filed: 02/12/2001
  • Issued: 11/05/2002
  • Est. Priority Date: 02/12/2001
  • Status: Expired due to Fees
First Claim
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1. A table with extendable legs comprising:

  • at least one base;

    at least one leg including a first end mounted in a corresponding one of the at least one base to stand upright and a second end, the leg comprising;

    a hollow external rod having a closed end mounted in the base and an open end opposite to the base;

    a sleeve centrally inserted into and secured in the hollow external rod, the sleeve including an internal thread formed in a free end of the sleeve, the internal thread having a diameter smaller than the internal diameter of the sleeve;

    a hollow internal rod movably received in the hollow external rod;

    a connector attached to one end of the hollow internal rod opposite to the base;

    a threaded spindle having a first end screwed into the sleeve via the internal thread in the sleeve and a second end rotatably mounted in the connector and extending through the connector; and

    a first gear securely attached to the second end of the threaded spindle;

    a frame including at least one rod mounted on a corresponding one of the connectors;

    a handle including one and extending into one of the at least one rod and having a second gear securely mounted on an extension formed on the handle to engage with the first gear to drive the threaded spindle; and

    a tabletop mounted on the frame.

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