| 摘要 |
PURPOSE: A distribution box is provided to prevent a door from falling downward during the operation of a switch member by installing a door on the upper side of an external case. CONSTITUTION: An external case(110) is combined in a bus duct(20). A door(120) is combined in the external case. The both sides(121) of a door is bent in order to surround the outer side of the external case. A guide hole(122) is formed in both sides of the door. The guide hole comprises a straightline part and a bent part. The bent part is formed in both end parts of the straightline part. A stationary roller(114) is fixed to both sides of the external case. The stationary roller is projected through the guide hole. |
