Latecoere has been granted a patent for an innovative aircraft door design featuring a dual handling arm system. This system includes a movable holding device that can lock or release the forearms, allowing controlled pivoting relative to the door panel, enhancing operational efficiency and safety. GlobalData’s report on Latecoere gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Latecoere, Fiber-reinforced material joining techniques was a key innovation area identified from patents. Latecoere's grant share as of June 2024 was 46%. Grant share is based on the ratio of number of grants to total number of patents.
Aircraft door with movable locking and unlocking mechanism
The patent US12043365B2 describes an innovative aircraft door design that incorporates a complex mechanism for locking and unlocking the door leaf relative to the door frame. The door consists of a leaf and a surround, which includes a door frame fixed to the aircraft fuselage. Central to the design is a door locking/unlocking device that facilitates the movement of the leaf. This mechanism features two handling arms and forearms interconnected by pivot connections, allowing for controlled movement. A holding device is also included, which can switch between a locking position—where the forearms are immobilized—and an unlocking position, enabling the forearms to pivot relative to the leaf. The holding device is equipped with multiple stops to manage the rotation of the forearms and prevent them from colliding.
Additionally, the patent outlines a method for operating the aircraft door, which involves a two-phase process: an unlocking phase followed by an opening phase. The design includes a guide track and an actuating finger that work together to facilitate the relative movement of the handling arm and the leaf. The door can transition between various configurations, including a locking/unlocking state and an opening state, with lateral movements of the leaf relative to the door frame. The movable stop within the holding device plays a crucial role in locking the forearms in place, and it is activated and deactivated through specific rotations of the handling arm. This detailed mechanism aims to enhance the functionality and safety of aircraft doors, ensuring secure operation during flight and ground handling.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
