| 摘要 |
PURPOSE: A collar for an arrow is provide to appropriately control an air resistance by width root, vertical root, a thin film of the wing unit and improve the rotation force, thereby improving the flying stability and straight forward driving performance of an arrow. CONSTITUTION: A collar for an arrow includes a wing unit(110) and a bonding unit(120). The wind unit is comprised of a frame(111), a vertical root(114), a thin film(112). The inner side of the outer edge of a frame is opened. The vertical root connects the upper side and the lower side of the frame. A plurality of vertical root is arranged separately from longitudinal direction of the frame. The thin film is formed to the empty space classified by a frame and a vertical root. The bonding unit is located to the lower part of the wing unit and is attached to an arrow support.
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