| 摘要 |
PURPOSE: A road stud is provided to prevent safety accident by helping a user to accurately recognize the center line boundary of a road and the boundary between a road and a pathway. CONSTITUTION: A road stud comprises a main body member(10), a lighting part, a lighting-emitting part and a bolt structure. The main body member has an accommodating groove of the upper side of opening type. The lighting part is accepted to the accommodating groove of the main body member. The lighting part switches solar energy into electrical energy. The lighting-emitting part is electrically connected to the lighting part. The lighting-emitting part provides electrical energy from the lighting part. The bolt structure is projected from the bottom surface of the main body member.
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