IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0482679
(2012-05-29)
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등록번호 |
US-8893423
(2014-11-25)
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발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
J.A. McKinney & Assoc., LLC
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인용정보 |
피인용 횟수 :
5 인용 특허 :
95 |
초록
▼
A dynamic ballistic effect compensating reticle and an aim compensation method for use in rifle sights or projectile weapon aiming systems includes a multiple point elevation and windage aim point field including a primary aiming mark indicating a primary aiming point adapted to be sighted-in at a f
A dynamic ballistic effect compensating reticle and an aim compensation method for use in rifle sights or projectile weapon aiming systems includes a multiple point elevation and windage aim point field including a primary aiming mark indicating a primary aiming point adapted to be sighted-in at a first selected range (e.g., 200 yds) and a plurality secondary aiming point arrays beneath the primary aiming mark. The method for compensating for a projectile's ballistic behavior while developing a field expedient firing solution permits the shooter to express the field expedient firing solution in units of distance, (e.g., yards or meters, when describing or estimating range and nominal air density ballistic characteristics), and velocity (e.g., mph or kph, for windage hold points). The reticle aim point field permits the marksman to adjust the firing solution for momentary atmospheric effects and operational contingencies such as variations in ammunition.
대표청구항
▼
1. A ballistic effect compensating reticle for rifle sights or projectile weapon aiming systems adapted to provide a field expedient firing solution for a baseline ammunition with a selected projectile when fired in a pre-defined baseline set of atmospheric conditions, comprising: (a) a multiple poi
1. A ballistic effect compensating reticle for rifle sights or projectile weapon aiming systems adapted to provide a field expedient firing solution for a baseline ammunition with a selected projectile when fired in a pre-defined baseline set of atmospheric conditions, comprising: (a) a multiple point elevation and windage aim point field including a primary aiming mark positioned within a first horizontal crosshair array of aiming marks and indicating a primary aiming point adapted to be sighted-in at a first selected range;(b) said aim point field including a nearly vertical array of secondary aiming marks spaced at progressively increasing incremental distances below the primary aiming mark and indicating corresponding secondary elevation aiming points along a curving, nearly vertical axis intersecting the primary aiming mark, the secondary elevation aiming points positioned to compensate for ballistic drop at preselected regular incremental ranges beyond the first selected range for the selected projectile having pre-defined ballistic characteristics; and(c) said aim point field also including a first array of windage aiming marks spaced apart along a secondary non-horizontal axis intersecting a first selected secondary elevation aiming point;(d) wherein said first array of windage aiming marks includes a first windage aiming mark spaced apart to the left of the vertical axis at a first windage offset lateral distance from the curving nearly vertical axis selected to compensate for right-to-left crosswind of a preselected first incremental velocity at the range of said first selected secondary elevation aiming point, and a second windage aiming mark spaced apart to the right of the vertical axis at a second windage offset lateral distance from the curving nearly vertical axis selected to compensate for left-to-right crosswind of said preselected first incremental velocity at said range of said first selected secondary elevation aiming point;(e) wherein said first array of windage aiming marks define a sloped row of windage aiming points having a slope which is a function of the direction and velocity of said projectile's stabilizing spin or a rifle barrel's rifling twist rate and direction, thus compensating for said projectile's crosswind jump;(f) the reticle thereby facilitating aiming compensation for ballistics and windage for two crosswind directions at a first preselected incremental crosswind velocity, at a first preselected incremental range corresponding to said first selected secondary aiming point;(g) wherein said secondary elevation aiming points are configured with elevation indicia expressed in terms of range to a target and wherein said windage aiming marks are configured for use with the pre-defined baseline set of atmospheric conditions. 2. The ballistic effect compensating reticle according to claim 1, wherein said first array of windage aiming marks define a sloped row of windage aiming points having a negative slope which is a function of the right-hand spin direction for said projectile's stabilizing spin or a rifle barrel's right-hand twist rifling, thus compensating for said projectile's crosswind jump. 3. The ballistic effect compensating reticle according to claim 1, wherein each secondary elevation aiming point is intersected by a secondary array of windage aiming marks defining a sloped row of windage aiming points having a slope which is a function of the direction and velocity of said projectile's stabilizing spin or a rifle barrel's rifling twist rate and direction, and wherein each of said sloped rows of windage aiming points comprise aiming points which are spaced for facilitating aiming compensation for ballistics and windage for two or more preselected incremental crosswind velocities, at the range of the corresponding secondary elevation aiming point. 4. The ballistic effect compensating reticle according to claim 3, wherein each sloped row of windage aiming points includes windage aiming marks positioned to compensate for leftward and rightward crosswinds of 5 miles per hour and 10 miles per hour at the range of the secondary elevation aiming point corresponding to said sloped row of windage aiming points. 5. The ballistic effect compensating reticle according to claim 3, wherein each sloped row of windage aiming points includes windage aiming marks positioned to compensate for leftward and rightward crosswinds of 5 kilometers per hour and 10 kilometers per hour at the range of the secondary elevation aiming point corresponding to said sloped row of windage aiming points. 6. The ballistic effect compensating reticle according to claim 3, wherein at least one of the sloped rows of windage aiming points intersecting the nearly vertical array of secondary aiming marks is bounded by laterally spaced distance indicators corresponding to a range or distance to a target. 7. The ballistic effect compensating reticle according to claim 6, wherein at least one of said laterally spaced distance indicators are proximate a range call adjustment indicator selected to provide a range call adjustment used to adjust the aiming elevation by selecting another secondary elevation aiming point when the user determines that extant atmospheric conditions vary from the pre-defined baseline set of atmospheric conditions. 8. The ballistic effect compensating reticle according to claim 7, wherein said range call adjustment indicator is a Density Altitude (DA) correction indicator. 9. The ballistic effect compensating reticle according to claim 8, wherein said Density Altitude (DA) range call adjustment indicator is selected to provide a range call adjustment used to adjust the aiming elevation when the user determines that substitute ammunition varying from the baseline ammunition will be used. 10. The ballistic effect compensating reticle according to claim 7, wherein said range call adjustment indicator is a Density Unit (DU) correction indicator. 11. The ballistic effect compensating reticle according to claim 1, wherein said secondary aiming marks' curving, nearly vertical axis is curved in a direction that is a function of the direction of said projectile's stabilizing spin or a rifle barrel's rifling direction, thus compensating for spin drift. 12. The ballistic effect compensating reticle according to claim 1, wherein the primary aiming mark is formed by an intersection of the first horizontal crosshair array of aiming marks including a primary horizontal sight line and said nearly vertical array of secondary aiming marks indicating corresponding secondary elevation aiming points along said curving, nearly vertical axis. 13. The ballistic effect compensating reticle according to claim 12, wherein the primary horizontal sight line includes a widened portion located radially outward from the primary aiming point, the widened portion having an innermost pointed end located proximate said primary aiming point. 14. The ballistic effect compensating reticle according to claim 11, said first horizontal array of aiming marks further comprising a set of windage aiming marks spaced apart along the primary horizontal sight line to the left and right of the primary aiming point to indicate aiming points for targets moving at selected velocities, at the first selected range. 15. The ballistic effect compensating reticle according to claim 1, wherein said aim point field also includes a second array of windage aiming marks spaced apart along a second non-horizontal axis intersecting a second selected secondary elevation aiming point; wherein said second array of windage aiming marks includes a third windage aiming mark spaced apart to the left of the vertical axis at a third windage offset distance from the vertical axis selected to compensate for right-to-left crosswind of the preselected first incremental velocity at the range of said second selected secondary elevation aiming point, anda fourth windage aiming mark spaced apart to the right of the vertical axis at a fourth windage offset distance from the vertical axis selected to compensate for left-to-right crosswind of said preselected first incremental velocity at said range of said selected secondary elevation aiming point;wherein said second array of windage aiming marks define another sloped row of windage aiming points having a slope which is also a function of the direction and velocity of said projectile's stabilizing spin or a rifle barrel's rifling twist rate and direction, thus compensating for said projectile's crosswind jump. 16. The ballistic effect compensating reticle according to claim 15, wherein said aim point field also includes a third array of windage aiming marks spaced apart along a third non-horizontal axis intersecting a third selected secondary aiming point; wherein said third array of windage aiming marks includes a fifth windage aiming mark spaced apart to the left of the vertical axis at a fifth windage offset distance from the vertical axis selected to compensate for right-to-left crosswind of the preselected first incremental velocity at the range of said third selected secondary elevation aiming point, anda sixth windage aiming mark spaced apart to the right of the vertical axis at a sixth windage offset distance from the vertical axis selected to compensate for left-to-right crosswind of said preselected first incremental velocity at said range of said third selected secondary elevation aiming point;wherein said second array of windage aiming marks define another sloped row of windage aiming points having a slope which is also a function of the direction and velocity of said projectile's stabilizing spin or a rifle barrel's rifling twist rate and direction, thus compensating for crosswind jump. 17. The ballistic effect compensating reticle according to claim 1, wherein said aim point field's first array of windage aiming marks spaced apart along the second non-horizontal axis includes a third windage aiming mark spaced apart to the left of the vertical axis at a third windage offset distance from the first windage aiming mark selected to compensate for right-to-left crosswind of twice the preselected first incremental velocity at the range of said second selected secondary aiming point, and a fourth windage aiming mark spaced apart to the right of the vertical axis at a fourth windage offset distance from the second windage aiming mark selected to compensate for left-to-right crosswind of twice said preselected first incremental velocity at said range of said selected secondary aiming point;wherein said third windage offset distance is greater than or lesser than said fourth windage offset distance, said windage offset distances being a function of the direction and velocity of said projectile's stabilizing spin or a rifle barrel's rifling twist rate and direction, thus compensating for said projectile's dissimilar wind drift. 18. The ballistic effect compensating reticle according to claim 17, wherein said third windage offset distance is greater than said fourth windage offset distance, said windage offset distances being a function of said projectile's right hand stabilizing spin or a rifle barrel's rifling right-twist direction, thus compensating for said projectile's dissimilar wind drift. 19. The ballistic effect compensating reticle according to claim 1, wherein said aim point field is configured to compensate for the selected projectile's ballistic behavior while developing a field expedient firing solution expressed two-dimensional terms of (a) range or distance, used to orient a field expedient aim point vertically among the secondary aiming marks in said vertical array, and(b) windage or relative velocity, used to orient said aim point laterally among a selected array of windage hold points.
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