(1) Technical field to which the invention described in the claims belongs;The present invention relates to a dragon address such as a discussion, and it is possible to improve the structure of the variable address and the horizontal stopper installed on both sides of the addressee body so as to achieve the convenience of manufacture and use.;(2) Technical challenges to be solved by the design;To solve the complexity and troublesome problem of driving the left and right variable address by each cylinder and fixing the bolt when fixing the horizontal axis;(3) The point of solution of design;It is important that the left and right variable addresses are driven in one cylinder and the fastener is slidable.;(4) Important Uses of Design;It is used to flatten the floor and to fix the horizontal axis.
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