Hinged Tripod for Holding a Vertical Pole

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The legs of a tripod are hinged at the base of a cup. When you put a vertical pole into the cup, the legs rotate to move the arms inward and the cones at the ends of the arms grip the pole. This can be used as a Christmas tree stand.

Contributed by: Sándor Kabai (December 2008)
Open content licensed under CC BY-NC-SA




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