| 摘要 |
PROBLEM TO BE SOLVED: To simply perform the fitting work of a back plate, improve workability, simplify the machining of the back plate, and reduce the cost in a door structure that a frame body, fitted with at least an attached member, of a door frame is formed with a hollow member and the attached member is fixed to the back plate provided in the frame body. SOLUTION: The frame body 2, fitted with at least the attached member 6, of the door frame is formed with the hollow member, and the attached member is fixed to the back plate 21 provided in the frame body in the door structure. The back plate is slidably provided against the back face of the attached member fitting face of the frame body, and it is provided with a separation- preventive means 18 preventing the back plate from separating from the back face. A stopper positioning the back plate at an attached member fitting position is protruded into the frame body.
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