| 摘要 |
The present invention relates to a nonrotating billboard of a rotation body which is attached on a surface of a rotation center of a vertical rotation member such as vehicle wheel, fan, etc. for showing a nonrotating state of a pattern, emblem or advertisement irrespective of a rotation of a rotation body. The nonrotating billboard includes a housing rotated together with the rotation member, a billboard member having a surface on which a billboard is formed installed in the housing and rotatable relative thereto while maintaining an upright state through use of a weight member. The nonrotating billboard further includes a friction prevention unit for maintaining a free state of the billboard member such that the billboard is restricted from contacting the housing.
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