Arming arrangement with rotatable airfoils
US4969396A · kind A · utility
4Cited by
3References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 3, 1989 |
| Grant date | Nov 13, 1990 |
| Priority date | — |
| Expiry date | Oct 3, 2009 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF42C15/295
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An arming arrangement with rotatable airfoils or blades of a propeller constituting the deliverants for an arming criterium. The blades of the driving propeller for a drone, have the rotational movement thereof determined from the tail end of the drone towards one side of the propeller hub through a beam or radiation coupling and is then conducted to a counting evaluating circuit for the derivation of a release signal for the arming device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.