Patent ID: 8844096

Claim:
A caster device, comprising: a column whereon a directional opening is formed; a wheel module rotatably connected to an outer peripheral of the column; and a directional mechanism including: a directional component movably disposed inside the wheel module and detachably engaged with the column, wherein a moving direction of the directional component is intersected with a pivoting axis of the wheel module, the directional component is capable of moving close to the column and passing through the directional opening to engage with the column, and the directional component is further capable of moving away from the directional opening of the column to separate from the column; an installing base connected to the wheel module, the directional component being slidably connected to the installing base; an operating component pivoted on the installing base and for driving the directional component; a connecting component passing through the installing base, the operating component and the directional component; and a resilient component disposed between the directional component and the connecting component.