Safety device and aircraft equipped with a safety device

By introducing movement prevention components and lightweight materials into the safety device, the problem of ejection deviation during transportation was solved, achieving stable deployment of the ejection and lightweight power source, thus improving the performance and efficiency of the safety device.

CN115151484BActive Publication Date: 2026-06-02NIPPON KAYAKU CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
NIPPON KAYAKU CO LTD
Filing Date
2021-03-02
Publication Date
2026-06-02

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    Figure CN115151484B_ABST
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Abstract

A safety device is provided with a pusher component that prevents the ejected object from easily deviating even during transport, and an aircraft equipped with the safety device. The safety device (100) includes: a cylinder (14) that houses a piston component (10) and is provided with a hole (13) for the piston component (10) to protrude outward (upper in FIG. 1) during operation; a pusher component (15) that is pushed in one direction by the piston component (10); an ejected object (16) that is supported and pushed upward by the pusher component (15); a gas generator (17) that serves as a power source for the piston component (10) to move within the cylinder (14); a bottomed cylindrical receiver (18) that houses the piston component (10), the cylinder (14), the pusher component (15), the ejected object (16), and the gas generator (17); and a cover (21) that blocks the opening end of the receiver (18). The upper surface of the support portion 20 of the push member (15) is provided with a movement prevention member (27) to prevent the ejector (16) from moving in the direction around the bottomed cylindrical portion (19).
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