Patent ID: 8864089

Claim:
A holding device adapted for holding a display, said holding device comprising: a base; an upper holding arm unit connected to an upper portion of said base; and a pair of lower holding arm units connected to a lower portion of said base, each of said lower holding arm units including a lower holding arm that is connected to said base and that is rotatable about an axis relative to said base between upper and lower positions, said lower holding arm of one of said lower arm units being moved toward said lower holding arm of the other one of said lower holding arm units during movement from the upper position to the lower position, said lower holding arm being movable relative to said base in a sliding direction transverse to the axis between an extended position to be distal from a center of said base and a contracted position to be proximate to the center of said base, each of said lower holding arm units further including a stop member that extends into said base and that is operable for positioning said lower holding arm relative to said base, said lower holding arm units being adapted for cooperating with said upper arm unit to define a holding space adapted for retaining the display; wherein each of said lower holding arm units further includes a connecting arm having a securing end that is rotatably connected to said base and registered with the axis, and an engaging portion that extends in the sliding direction; wherein said lower holding arm of each of said lower holding arm units has an engaging part that extends in the sliding direction and that engages slidably said engaging portion of said connecting arm of said lower holding arm unit; and wherein each of said engaging portions of said connecting arms and said engaging parts of said lower holding arms of said lower holding arm units has a plurality of engaging teeth.