| 摘要 |
PURPOSE: To provide a grinding tool capable of grinding a repair surface into a plane with simple operation in a short time, and restraining abrasive paper from being excessively worn locally. CONSTITUTION: This grinding tool includes a base for retaining a grinding material on a surface facing the repair surface, a retaining plate disposed in parallel with the base at a prescribed interval, and an elastic member disposed between the base and the retaining plate, wherein the base has a first faceplate fixed to the retaining plate at a prescribed interval and a second faceplate which is connected to the edge of the first faceplate and rotates about a connecting line with the first faceplate as its axis, and the second faceplate has a structure rotatable freely within a predetermined movable range in such a direction as to approach the retaining plate from a position where the second face plate is the same plane as the first faceplate.
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