| 摘要 |
The present invention relates to a delivery door having anti-theft security means, more particularly to a door structure consists of a pair of casings, area adjustable mounting plate, hinge means and actuation means, which are installed on an entrance door or a window for delivering articles or products thereof. A delivery door installed on an entrance door or a window comprise an outer casing ( 4 ) and an inner casing ( 5 ) pivotally mounted on hinge means ( 3, 8, 9, 10 ), actuation means ( 12, 13, 15, 16 ) associated with the outer casing ( 4 ) and the inner casing ( 5 ) for opening and closing operation of casings and the mounting plate ( 6 ) having area adjustable means between the outer casing ( 4 ) and the inner casing ( 5 ) is characterized in that the mounting plate ( 6 ) is rotatable while in the transporting operation which securely controlled by the actuation means.
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