| 摘要 |
PURPOSE: A coupler is provided to prevent initial slip in joint part of a connection object, to prevent loosing of the joint part according to pass of time, and to uniformly continue the connection object by equally effecting graft force in the connection part. CONSTITUTION: A coupler comprises a connection member(100), a wedge member(200), a fixing member(300), and an adhesion device(400). The connection member includes a connection hole in which one side of end part of a connection object inserts along longitudinal direction. The wedge member is connected to the outside of an end part of the connection object which is inserted in the connection hole of the connection member. The fixing member is connected to out surface of the connection member in order to fix the connection object to the connection member by being inserted in order to be connected with the wedge member on the out surface of an end part of the connection object connected with the wedge member. The adhesion device connects the connection object connected to the both sides of the connection member to the side of the fixing member.
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