Safety device, and flying body provided with safety device
US11981441B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Feb 22, 2021 |
| Grant date | May 14, 2024 |
| Priority date | — |
| Expiry date | May 11, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB64U60/50
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
There are provided a safety apparatus and an aerial vehicle including the safety apparatus, in which a lid and an opening end of a container are fixed before operation more firmly than a conventional art to be less susceptible to an external environment. A safety apparatus includes a piston member 10, a cylinder 14 that accommodates the piston member 10 and is provided with a bore 13 through which the piston member 10 protrudes to the outside during operation, a push-up member 15 that is pushed up in one direction by the piston member 10, an ejected object 16 that is pushed up while being supported by the push-up member 15, and a gas generator 17 that moves the piston member 10 in the cylinder 14. A bottomed cylindrical portion 19 of the push-up member 15 has a hole 53, the hole 53 has a substantially identical shape to a shape of one end of a rod 12, and the one end of the rod 12 is fitted to the hole 53. The bottomed cylindrical portion 19 and the rod 12 are fastened and fixed by a bolt member 15.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.