Structure of delivery door having anti-theft security means
US7246562B2 · kind B2 · utility
Inventors
Key dates
| Filing date | May 29, 2003 |
| Grant date | Jul 24, 2007 |
| Priority date | — |
| Expiry date | Jun 29, 2024 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05G7/007
- WIPO fieldCivil engineering
- WIPO sectorOther fields
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.