| 摘要 |
PURPOSE: A coupler is provided and to reinforce a fastening force of the coupler by preventing inner components from being separated from a connection case and by preventing the inner components from being moved. CONSTITUTION: A coupler comprises a pair of connection cases(100,102), a fastening member(200), an elastic member(300), and a support member(400). A plurality of accommodation grooves is formed inside the connection case. The fastening members are accommodated in the accommodation grooves and are attached to an outer surface of a connection member(M). The elastic member applies an elastic force of one direction to the fastening members. The support member prevents the fastening members and the elastic member from being separated from the connection case. |
