| 摘要 |
It makes it possible to be able to operate at high velocity and making the square measure of setting small. It is capable of inserting inside the groove of the base component 30 which forms the circle ring groove 31 which places the several pieces of the fan-shaped friction material 10, the supporting component of the lower end side 21 which props up the lower edge of the fan-shaped friction material 10 which is placed at the every designated circumference of the circle ring groove 31 of the base component 30, the supporting component of the upper end side 22 which props up the upper edge of that fan-shaped friction material 10 and the circle ring groove 31 of the base component 30, the several pieces of the fan-shaped friction material 10 is that it fully provides the pressing component 50 which compresses the several pieces of the fan-shaped friction material 10 to intend to make into the circle formed friction material 10A while retracting the supporting component of the lower end side 21 and the supporting component of the upper end side 22 and the fan-shaped friction material 10 will not be transferred because of the centrifugal force even in case of supplying the several pieces of the fan-shaped friction material 10 by rotating them successively so that the operation at the high velocity becomes possible. Moreover, the joining density of the edge part of the several pieces of the fan-shaped friction material 10 which is contiguous becomes high and there is no possibility that the mechanical intensity lowers at the boundary line of the fan-shaped friction material 10.
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