ROLLER STRUCTURE AND ROLLER ASSEMBLY USING THE SAME

摘要

PURPOSE: A roller structure and a roller assembly using the same are provided to stably guide a wire even through the wire is bent over 90 degree while passing through a roller. CONSTITUTION: A roller structure comprises a housing(110), a first roller(140), a second roller(150), and a third roller(160). The first roller is installed inside the housing. The second and third rollers are installed inside the housing to rotate on a shaft in parallel to a rotary shaft of the first roller. The second and third rollers are arranged adjacent to the first roller. A wire is entered into the housing after passing through one of between the first and second rollers or between the first and third rollers; is guided in a state of being contacted to the part of the exterior of the first roller in the housing; and is guided to the outside of the housing after passing through the rest of between the first and second rollers or between the first and third rollers.