STAGE-CORRESPONDING CASTER DEVICE

To provide a stage-corresponding caster device being entirely compact, able to smoothly and stably work, and able to easily get over a stage end face, a holder main body attached to an attached member B and having a pair of left and right side wall portions a main wheel supporting member in which the main wheel is pivoted to a lower portion and an upper portion is pivoted to the holder main body a sub wheel supporting member in which the sub wheel is pivoted to a front portion and a rear portion is pivoted to the main wheel supporting member coaxially with the main wheel and a slide roller attached to the sub wheel supporting member on a forward position to the main wheel are provided; and the holder main body has a guiding groove inclined backward and downward in side view on the side wall portion to guide the slide roller the front portion of the sub wheel supporting member is oscillated downward by contact of the main wheel with the stage end face Ja, the sub wheel is pressed to the stage upper face Jb, and the main wheel climbs over the stage end face Ja.