Structure of delivery door having anti-theft security means

Details Structure of delivery door having anti-theft security means Structure of delivery door having anti-theft security means

2007-07-24

2007-07-24

Barrett, Suzanne Dino (Department: 3676)

Safes, bank protection, or a related device

Wall and panel structures, closures and closure adjuncts

Closures

C109S019000, C109S048000, C232S00100D, C232S043300, C220S478000, C108S167000

Reexamination Certificate

active

10449041

ABSTRACT:
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.

REFERENCES:
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patent: 4573416 (1986-03-01), Masachika
patent: 4909052 (1990-03-01), Hutwohl
patent: 7139270 (1995-05-01), None

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