US3949677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Small caliber projectile with an asymmetrical point
Assignee: CENTRO DE ESTUDIOS TECNICOS DE MATERIALES ESPECIALES INSTITUTO NACI
•
Filing: 1974-03-19
•
Granted: 1976-04-13
•
Expires: 1994-03-19
Abstract
Abstract A projectile of the type to be stabilized by rotation is formed with an asymmetrical point. In one embodiment a pair of unequal, diametrically opposed recesses are provided and apportioned so that the center of gravity of the projectile is located along the projectile's axis of rotation.
Inventors
- 👤 Gunther Voss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:04
CPC Classifications
F; F42; F42B; F42B30/00; F42B30/02
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
75 words
A small-caliber projectile with an asymmetrical tip, of the type stabilized by rotation, and whose tip is provided with an asymmetry which exerts its effects upon penetration of the projectile in a target, characterized that in the tip of the projectile there are two diametrically located recesses which are unequal with respect to each other, said recesses having the effect of increasing the rate of spin of the projectile during its penetration into a target.
Claim 2
Dependent Claim
75 words
A small-caliber projectile with an asymmetrical tip, of the type stabilized by rotation, and whose tip is provided with an asymmetry which exerts its effects upon penetration of the projectile in a target, characterized that in the tip of the projectile there are two diametrically located recesses which are unequal with respect to each other, said recesses having the effect of increasing the rate of spin of the projectile during its penetration into a target.
Claim 3
Dependent Claim
51 words
A small-caliber projectile with an asymmetrical tip as set forth in claim 1, characterized in that the angles formed by the two recesses with the axis of the projectile are distinct with respect to each other, and in addition are advantageously less than 30°, in order to originate little air drag.
Claim 4
Dependent Claim
69 words
A small-caliber projectile with an asymmetrical tip as set forth in claim 2, characterized in that the tip of the projectile is formed by the two recesses, and is eccentric with relation to the axis thereof, due to the differences existing between said recesses; this eccentricity being related to said diametrical recesses in such a way that the projectile's center of gravity is located on the rotational axis thereof.
Claim 5
Dependent Claim
46 words
A small-caliber projectile with an asymmetrical tip as set forth in claim 3 characterized in that the tip is formed in the manner of an ogive and said recesses are disposed in the ogive and are formed by flat surfaces, according to the rotational torque required.
Claim 6
Dependent Claim
46 words
A small-caliber projectile with an asymmetrical tip as set forth in claim 3 characterized in that the tip is formed in the manner of an ogive and said recesses are disposed in the ogive and are formed by curved surfaces, according to the rotational torque required.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-04-13 | 1979-10-13 | 1980-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-04-13 | 1983-10-13 | 1984-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-04-13 | 1987-10-13 | 1988-04-13 | $7700.00 | Window Closed / Lapsed |