| 摘要 |
PURPOSE: A joint for installing a banner cradle banner is provided to be conveniently installed on any location on a pillar while being divided into two pieces. CONSTITUTION: A joint has the same inner diameter as an outer shape of a pillar and is composed of two separate pieces. One piece is mad of a sliding piece(50) forming a sliding groove(52) in both right and left ends. The other piece is made of an insertion piece(40) having a rail(41) in the both right and left ends. The insertion piece is inserted into the sliding groove of the sliding piece.
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