To freely arrange on a frame without affected by an outer diameter and an installed condition of the frame.
This pole supporter is provided with a pole seat 21 for supporting a pole 6, a base part 24 positioned on a lower part of the pole seat 21 and attaching and contacting on the frame 3, an arm part 26 swinging from the base part 24 for sandwiching the frame 3, a fastening member 31 for fastening the arm part 26 and cramping the frame 3 by the base part 24 and the arm part 26. Thereby, the frame 3 is cramped by the base part 24 and the arm part 26 by swinging the arm part 26 and corresponding to the outer diameter of the frame 3 so that the pole supporter can be freely installed as long as in a place having the frame 3 without affected by the outer diameter and the installed condition of the frame 3.
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