RECESSED DOOR BOX WITH EXTERNAL AND INTERNAL ACCESS Russian patent published in 2021 - IPC E06B7/28 E06B7/32 

FIELD: door equipment.

SUBSTANCE: invention relates to doors, mainly in the office, and is intended for the contactless transfer of materials, goods, food, etc. from outside to inside and back, including a time lapse. A built-in door box with access from outside and inside is proposed, installed in the door, containing a flap with a locking device attached to it by hinges from the outside of the door; according to the invention, the box is attached to the door by means of a retainer frame, while the retainer frame is simultaneously attached to the door and to the box; on the inner side of the door the door box unit is additionally equipped with a second flap with a locking device by hinges, the outer flap locking device is electronic, and the inner one is mechanical; in the inner opening of the box between the flaps, there is a removable isothermal sealed cassette for storing goods with dimensions corresponding to the box; a GSM wireless communication module is also mounted inside the box to control the operation of the electronic locking device and notify the messenger and the receiving party. Power supply for opening electronic locking device of outer flap can be provided by either a wired or wireless station operated by the messenger/delivery personnel.

EFFECT: possibility of transferring goods without presence of receiving party, possibility of obtaining temperature of transferred food unchanged, increased safety of transferred goods from theft.

1 cl, 3 dwg