Patent ID: 7950637

Claim:
An adjustable holding apparatus, comprising: a base unit, having a flat surface for placing an object, a lower part of said base unit having at least two engaging trenches, an upper part of each said engaging trench comprising a plurality of protruding blocks distributed as a ring, with each said engaging trench forming a specific shape; a clapping unit, partially extending into said base unit for moving inwards and outwards relative to said base unit, and having a clapping part on one side; and at least two stopping units, located at the lower part of said base unit, able to rotate for adjustment, and each having a stopping part located on an upper part of said stopping unit, said stopping part being off-center of said stopping unit, said stopping units and said clapping unit being on opposite sides of said flat surface of said base unit, and when said stopping unit is rotating, a position of said stopping part is also changing, each said stopping unit further comprising an engaging part, said engaging part protruding from a lower part of said stopping unit and being engaged to said engaging trench when assembled, said engaging part further comprising a plurality of blocks distributed as a ring on an upper part of said engaging part, so that when assembled, said blocks of said engaging part are engaged between two neighboring protruding blocks of a respective engaging trench.