The present invention relates to a memo board for a connected chair, and comprises: an angle member having a first plate and a second plate orthogonal to each other so that one side can be fixed to the back and the other side can be fixed to the memo board; a stationary plate member having a predetermined length to be respectively fixed to side surfaces of the memo board; and an elastic member elastically installed so that the stationary plate member can be seated on the angle member. Accordingly, since a ball is supported by a variable pitch spring, not only movement of the ball is smooth but also the ball is elastically supported by the spring, so that the memo board can be stably maintained vertically or horizontally. A passage between connecting chamber seats can be sufficiently secured since the memo board is not arbitrarily rotated, and it is possible to easily replace the angle member and the stationary plate member fixed to both sides of the memo board only by replacing the same.
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