PURPOSE: A caster stopper is provided to improve the productivity of a caster and a stopper and to enhance the productivity of manufactures by mounting casters of the same structure where a stopper is not mounted to the legs of manufactures. CONSTITUTION: A caster(1) comprises a yoke frame(2) and wheels assembled to the yoke frame in a freely rotatable state. A bearing support part(4) and an attachment bolt(5) attached to each leg of various manufactures are assembled to the yoke frame. A caster stopper(6) comprises a fixing unit and an operating unit. In the fixing unit, the right and left sides and the top attached in a built-up type to cover the opposite outside of the bearing support parts are integrally formed. An elastic braking piece, downward protruded toward the rear to elastically brake wheels, is formed to the rear of the top of the fixing unit. Side brackets(66) protruded parallel toward the rear are integrally formed to the rear ends of the right and left sides of the fixing unit. A shaft-receiving part(611) for elastically pushing the elastic braking piece, in a state of being assembled rotatably by a shaft pin(7) having both ends fixed to the side brackets, and a push plate are integrally formed to the operating unit.
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