| 摘要 |
PROBLEM TO BE SOLVED: To provide a rotating knob sortable for every material and easy to be recycled in the rotating knob formed by a plurality of materials. SOLUTION: This rotating knob held by a shaft provided rotatably on a volume is provided with a fitting part press-fitted with the shaft, a knob cap part for inserting the fitting part and a coupling part for coupling the fitting part and the knob cap part. The fitting part has a collar part, a projecting part which projects on a center shaft of the collar part and is provided with a press-fitting hole for press-fitting the shaft, and a groove part for coupling and a rotation preventing part on an outer periphery of the projecting part. The knob cap part has a recessed part fitted into the collar part and a rotation preventing hole fitted into the rotation preventing part provided on a bottom surface of the recessed part. The coupling part is made to have a through-hole for inserting the projecting part and a projecting part fitted into the groove part for coupling on an inner wall of the through-hole. |
