PROBLEM TO BE SOLVED: To provide a device for adjusting a surface formed between a package and a projection rotatably attached to the package.SOLUTION: The angle adjustment mechanism for adjusting an angle of a plane formed between a package and a projection rotatably attached to a work included in the package and exposed from the package, includes: a fixing part for fixing the package in a horizontal state； and an adjustment part for displacing an angle of the projection from at least one side out of the vertical direction with respect to a plane formed by the package.SELECTED DRAWING: Figure 1a【課題】包装体と、前記包装体に回転可能に取り付けられた突起部のなす面とを調節する装置を提供する。【解決手段】 本角度調節機構は、包装体と、前記包装体に内包されるワークに対し回転可能に取り付けられ、前記包装体から露出するワークの平面角度を調節する機構において、前記包装体を水平状態で固定する固定部、前記包装体がなす平面に対し鉛直上下方向の少なくとも一方から前記突起部の角度を変位させる調節部とを備える角度調節機構。【選択図】図１ａ
