Airbus has been granted a patent for a time-delay latch that secures structures in a specified position. The latch includes a housing, fluid chamber, pin, and release frame. The pin’s movement between latched and unlatched positions has a prescribed time delay, but can move faster in the opposite direction. GlobalData’s report on Airbus 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 Airbus, Photovoltaic drones was a key innovation area identified from patents. Airbus's grant share as of February 2024 was 63%. Grant share is based on the ratio of number of grants to total number of patents.

Time-delay latch for securing structure with fluid chamber

Source: United States Patent and Trademark Office (USPTO). Credit: Airbus SE

A recently granted patent (Publication Number: US11926433B2) discloses a time-delay latch designed to secure a structure in a specified position. The latch comprises a housing, a fluid chamber for holding fluid, a pin for axial movement within the chamber, and a release frame. The release frame engages with the pin to prevent axial movement in the latched position and disengages in the unlatched position, with a prescribed time delay for movement between the two positions. The latch includes a handle attached to the pin, a distal end extendable to engage with a structure, and features like elastic members and orifices for fluid movement to control the latch's operation effectively.

Furthermore, the patent describes a method for controlling access to a region of an aircraft using the time-delay latch. The method involves positioning the latch in a latched position to restrict movement of a barrier, such as a door, and then moving the release frame to allow the pin to move to the unlatched position. The latch's design ensures a specific time delay for movement between positions, with features like a handle, elastic members, and orifices for fluid flow control. The method also details the interaction between the latch, the barrier's locking structure, and the engagement of the release frame with the pin, providing a secure and reliable access control mechanism for aircraft regions that require temporary restriction.

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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

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.