(57) [summary] [purpose] briefly to provide a universal bush that can be fixed to the corners. [Configuration] uniform is made from cross section of an elastic material in the soft, it provides a freely bush 1 which forms a generally U-shaped. Its projecting to one of the inner surface by another tip is made of a portion far from one of the tip that is slightly earlier in the vicinity of the front end portion of the two front end portion of the U-shaped section of the universal bushing 1 described above protrusions 3 the tip is parallel to the end face of one of the tip described above Me is provided. The insertion hole 4 of the frame 2 of the insert corner portion 21 in the groove 5 of the free bushing frame 2, thereby locking the movable bushing 1 to the frame 2 in a state in which the projecting portion 3 described above was inserted.
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