Apparatuses for releasing a payload from an aerial tether

This invention describes a device for lowering items from a drone using a tether. It features a housing with two interconnected swing arms; the drone's receiving system interacts with a cam on the first arm, which then influences the second arm. When the device is released from the drone, a spring mechanism causes the second arm to move to a closed position, securing the payload as it descends on a spool-controlled tether.

Why it matters: Drone delivery and specialized aerial tasks have expanded significantly since 2019. This increases demand for reliable, integrated, and potentially passive payload release systems.

Status: Not in forceListed as no longer active. The specific reason is not in the record we hold.
How hard to build: ModerateCustom mechanical linkage, swing arms, UAV integration.

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