Kinetic energy ring projectile
US3982489A · kind A · utility
Inventors
Key dates
| Filing date | Nov 29, 1972 |
| Grant date | Sep 28, 1976 |
| Priority date | — |
| Expiry date | Nov 29, 1992 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF42B12/745
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A rotatable airfoil non-lethal sting projectile comprising a hollow closed circular ring wing surrounding a central open area. The projectile consists of an aerodynamic lifting body of a thick ring wing geometry which uses spin imparted to it from a launching means for its gyroscopic stability. The combination of aerodynamic stability characteristics and high spin rate (i.e. above 2,000 rpm) results in a flat trajectory and extended range capability. The projectile is intended as a riot control weapon. Impact is non-lethal, but may be painful. The subsonic launch velocity, the non-metallic light weight structure, the soft resilience, and relatively large size of the projectile avoids serious bodily harm due to impact with a person even at point-blank range.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.