Title:
SAFETY DEVICE, AND AIRCRAFT PROVIDED WITH SAFETY DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/068041
Kind Code:
A1
Abstract:
[Problem] To provide: a safety device which enables rapid expansion of a float, which has sufficient buoyancy at the time of contact with water, and which has reduced weight compared to prior art; and an aircraft comprising this safety device. [Solution] A safety device 100 comprises: a parachute 10; a bottomed cylindrical container which houses the parachute 10; and an ejection device which is provided in the container and which ejects the parachute 10 to the outside of the container. The parachute 10 is provided with a canopy 40, a plurality of lines 50, a center cord 60, and a pouch-shaped member 70. The pouch-shaped member 70, which has an air intake opening 71 that is connected to a ventilation opening 42, is provided to the outer side of the top of the canopy 40. A one-way valve 80 which is provided with a hinge part 81 and a plate member 82 is provided to the air intake opening 71 of the pouch-shaped member 70.
Inventors:
NAKAMURA HIROSHI (JP)
Application Number:
PCT/JP2022/037195
Publication Date:
April 27, 2023
Filing Date:
October 04, 2022
Export Citation:
Assignee:
NIPPON KAYAKU KK (JP)
International Classes:
B64D17/02; B64D17/72; B64D17/80; B64D45/00
Foreign References:
| JP2000255487A | 2000-09-19 | |||
| US3514058A | 1970-05-26 | |||
| JP2020062919A | 2020-04-23 | |||
| US4379534A | 1983-04-12 |
Attorney, Agent or Firm:
NARA, Yasuhiro (JP)
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