Patent ID: 7854418

Claim:
An apparatus for supporting bottom surface of an image device, comprising: a main body including a chassis having a bottom plate with first and second holding portions; a first supporting leg configured to be selectably connectable to one of the first and second holding portions of the main body; a second supporting leg connected to the main body; a third supporting leg connected to the main body, wherein the first holding portion, the second supporting leg and third supporting leg are positioned on the main body such that a center of gravity of a virtual triangle connecting a location of the first holding portion on the main body, a location that the second supporting leg connects to the main body, and a location that the third supporting leg connects to the main body coincides with a position of a center of gravity of the main body; and an optional unit configured to be mounted to the main body, wherein the position of the center of gravity of the main body not including the optional unit is different from a position of a center of gravity of the main body including the optional unit.