| 摘要 |
PURPOSE: A caster device is provided to continuously change operation modes of a caster by enabling a user to move or rotate a pressing member in a direction in a short time. CONSTITUTION: A caster device comprises casters(150), a crank shaft(110), a rotating member(130), a pressing member(120), and a connecting rod(140). The canisters are installed in a moving body, and have cam elements. The crank shaft is connected to the cam elements. The rotating member is rotatably installed in the moving body, and has multiple pins(131,132,133,134) separated from each other. The pressing member is installed in the moving body to be moved up and down, and rotates the rotating member. The connecting rod connects the rotating member and the crank shaft. |
