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Reticle including windage aiming points adjusted for distance to a target

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20140123534 patent thumbnailZoom

Reticle including windage aiming points adjusted for distance to a target


The present disclosure relates to target acquisition and related devices, and more particularly to telescopic gunsights and associated equipment used to achieve shooting accuracy at, for example, close ranges, medium ranges and extreme ranges at stationary and moving targets.
Related Terms: Retic Telesco

USPTO Applicaton #: #20140123534 - Class: 42122 (USPTO) -
Firearms > Implements >Sight Devices >Telescopic Type >Having A Reticle (including Adjustable)

Inventors: Stephen Todd Hodnett

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The Patent Description & Claims data below is from USPTO Patent Application 20140123534, Reticle including windage aiming points adjusted for distance to a target.

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This application claims priority under 35 U.S.C. §119(e) to U.S. Provisional Application No. 61/585,074, filed Jan. 10, 2012 which is hereby expressly incorporated by reference herein.

BACKGROUND

The present disclosure relates to target acquisition and related devices, and more particularly to telescopic gunsights and associated equipment used to achieve shooting accuracy at, for example, close ranges, medium ranges and extreme ranges at stationary and moving targets.

All shooters, whether they are police officers, soldiers, Olympic shooters, sportswomen and sportsmen, hunters, plinkers or weekend enthusiasts have one common goal: hitting their target accurately and consistently. Accuracy and consistency in shooting depend in part on the skill of the shooter and on the construction of the firearm and projectile. At long ranges, for example, in excess of 500 yards, the skill of the shooter and the consistency of the ammunition are often not enough to insure that the shooter will hit the target. As range increases, other factors can affect the flight of the bullet and the point of impact down range.

One of these factors is “bullet drop”. “Bullet drop” is caused by the influence of gravity on the moving bullet, and is characterized by a bullet path which curves toward earth over long ranges. Therefore to hit a target at long range, it is necessary to elevate the barrel of the weapon, and the aiming point, to adjust for bullet drop. Other factors, such as wind, Magnus effect (i.e., a lateral thrust exerted by wind on a rotating bullet whose axis is perpendicular to the wind direction), projectile design, projectile spin, Coriolis effect, and the idiosyncrasies of the weapon or projectile can change the projectile\'s path over long range. Such effects are generally referred to as “windage” effects. Therefore, for example, to hit a target at long range, it may be necessary to correct for windage by moving the barrel of the weapon slightly to the left or the right to compensate for windage effects. Thus, for example, in order to hit a target at long range, the shooter must see the target, accurately estimate the range to the target, estimate the effect of bullet drop and windage effects on the projectile, and use this information to properly position the barrel of the firearm prior to squeezing the trigger.

Conventional telescopic target acquisition devices are not generally useful at long ranges in excess of 400-800 yards. At close ranges less than 100 yards conventional target acquisition devices generally fall short when extreme accuracy is desired. Modifications to this basic system have not, thus far, enabled a skilled shooter firing at long ranges to acquire and hit a target quickly and reliably, regardless of the weapon used (assuming always that the firearm is capable of reaching a target at the desired long range). Accordingly, the need exists for a target acquisition device having a reticle which permits a skilled shooter to rapidly and accurately identify the range to any target of known or estimable size, no matter how large or small, and to make fast and accurate adjustment for projectile drop and windage.

SUMMARY

The present disclosure provides reticles that provide means for selecting aiming points that accurately target an intended target at any desired range, including extreme distances. In particular, the reticles of the present disclosure provide markings or other indications that allow a user, for example, to associate a first aiming point of the reticle with an intended target (e.g., the aiming point created by the cross-section of primary vertical and horizontal cross-hairs), and to identify a second aiming point (e.g., identified by a generated aiming dot, an electronic aiming dot, or an aiming point created by secondary vertical and/or horizontal cross-hairs) that represents a point to insure an accurate shot to hit the target.

In one embodiment, the present disclosure provides a reticle for use in any target acquisition device, fixed power scope or a variable power telescopic gunsight, image amplification device, or other aiming device. In some embodiments, the reticle comprises a substantially transparent disc, although the present disclosure is not limited to the use of disc shaped reticles, or to substantially transparent reticles, or to electronically generated reticles. In some embodiments, the reticle has an optical center and an edge for mounting said reticle in a housing (e.g., between an objective lens and the ocular lens of a scope), one or more aiming points positioned on said reticle, wherein the aiming points are formed by a primary vertical cross-hair intersecting the optical center of the reticle, a primary horizontal cross-hair intersecting said primary vertical cross-hair to form an upper right sector (e.g., quadrant), an upper left sector, a lower right sector, and a lower left sector, a plurality of secondary horizontal cross-hairs at predetermined distances along said primary vertical cross-hair, and a plurality of secondary vertical cross-hairs at predetermined distances along at least some of said secondary horizontal cross-hairs. The cross-hairs may be of any length, any width, and may comprise contiguous lines or may have gaps. In some embodiments, the secondary horizontal and vertical cross-hairs comprise intersecting continuous lines. In other embodiments, the secondary horizontal and vertical cross-hairs comprise intersecting dis-continuous lines. In further embodiments, the cross-hairs comprise a pillar connecting, for example, the cross-hair to the circumference of the reticle with a line of different thickness. In some embodiments, at least one intersecting cross-hair crosses beyond at least one other cross-hair. In other embodiments, at least one intersecting cross-hair contacts but does not cross at least one other cross-hair. In further embodiments, primary and secondary cross-hairs comprise triangles, circles, squares, straight lines, curved lines, arcs, solid dots, hollow dots, numbers, letters, crosses, stars, solid shapes, hollow shapes, or shapes in silhouette in a linear or curvilinear orientation to one another.

In one embodiment, unique markings (e.g., numbers) identify at least some of the secondary cross-hairs. In a further embodiment, the primary horizontal cross-hair intersects that primary vertical cross-hair at the optical center of the reticle. In another embodiment, the primary horizontal cross-hair intersects that primary vertical cross-hair below the optical center of the reticle. In a preferred embodiment, the primary horizontal cross-hair intersects that primary vertical cross-hair above the optical center of the reticle. In a yet further embodiment, the plurality of secondary horizontal cross-hairs are evenly spaced at predetermined distances along the primary vertical cross-hair. In another embodiment, at least some of the secondary horizontal cross-hairs are unevenly spaced at predetermined distances along the primary vertical cross-hair. In a still further embodiment, two or more secondary vertical cross-hairs are evenly spaced at predetermined distances along at least some of the secondary horizontal cross-hairs. In another embodiment, at least some of the secondary vertical cross-hairs are unevenly spaced at predetermined distances along the primary horizontal cross-hair. In yet another embodiment, the reticle additionally includes range-finding markings on the reticle. The range finding markings may be in one of the sectors formed by the primary vertical and horizontal cross-hairs, or may be on the primary vertical or horizontal cross-hairs, or on the secondary vertical or horizontal cross-hairs. In some embodiments, the primary or secondary cross-hairs themselves are used as range-finder markings.

In still further embodiments, the reticle is optionally illuminated for day use, for twilight use, for night use, for use in low or absent ambient light, or for use with or without night vision. In yet a further embodiment, illuminated dots at, for example, even or odd Mil Radian spacing are separately illuminated in the shooter\'s field of vision.

In a preferred embodiment, reticles of the present disclosure are constructed from an optically transparent wafer or electronically generated disc having an optical center that coincides with a center of a field of vision when the wafer is mounted in a scope. In one embodiment, a primary vertical cross-hair having a predetermined thickness bisects the disc, intersecting the optical center of the disc, or intersecting at a point offset from the optical center of the disc. In another embodiment, a primary horizontal cross-hair having a predetermined thickness intersects the primary vertical cross-hair, above the optical center of the disc, to form an upper right sector (e.g., quadrant), an upper left sector, a lower right sector, and a lower left sector. Two or more secondary horizontal cross-hairs having predetermined thickness are spaced along the primary vertical cross-hair. In a particularly preferred embodiment, at least some of these secondary horizontal cross-hairs are identified with a unique identifier, to aid the shooter in calibrating the horizontal cross-hairs by range, and in locating the appropriate horizontal cross-hair to use in selecting an aiming point and to communicate with, for example, a spotter. A plurality of secondary vertical cross-hairs having predetermined thickness and configurations are spaced along at least some of said secondary horizontal cross-hairs to aid in making accurate windage adjustments. In a further embodiment separate range-finding means are positioned on the reticle to aid the shooter in determining the range to target. In a still further embodiment, the shooter uses the distance subtended by the vertical or horizontal lines to calculate the range to the target.

The reticles of the present disclosure may be made of any suitable material. The reticles may have any suitable markings that permit use as described above and elsewhere herein. The markings may be generated by any means, including, but not limited to, engravings, etchings, projections, wires, digital or analog imaging, raised surfaces (e.g., made of any desired material), etc. The reticles may be used in any type of device where there is use for secondary or multiple aiming points. The reticles may be used in conjunction with one or more additional components that facilitate or expand use (e.g., ballistic calculators, devices that measure exterior factors, meteorological instruments, azimuth indicators, compasses, chronographs, distance ranging devices, etc.).

In one embodiment, the present disclosure provides an improved target acquisition device using the reticles of the present disclosure. In some embodiments, the target acquisition device has one or more of a housing, a means for mounting a housing in a fixed, predetermined position relative to a gun barrel, an objective lens mounted in one end of the housing, and an ocular lens mounted in the opposite end of the housing. In some embodiments, the target acquisition device is a fixed power telescopic gunsight, or a variable power telescopic gunsight. When optics are mounted in the housing to permit the power to be varied along a predetermined range, the reticle is mounted between the objective lens and the variable power optics, although all configurations are contemplated by the present disclosure. The reticle may be configured in a target acquisition device in any desired focal plane (e.g., first focal plane, second focal plane, or a combination of both), or incorporated into a fixed power telescopic gunsight. In a further embodiment, the reticles of the present disclosure are incorporated for use in, for example, electronic target acquisition and aiming devices.

While the reticles of the present disclosure find use in long-range target acquisition devices they can be used with equal effectiveness at close and medium ranges. In one embodiment, the reticles of the present disclosure are adapted for use in a mid-range telescopic gunsight, or close range telescopic gunsight, or other device. A mid-range reticle, similar to the long-range reticle described above, is constructed in accordance with this disclosure. Since the mid-range reticle requires less field area, in some embodiments, the primary horizontal cross-hair can be conventionally positioned at the optical center of the reticle. The mid-range reticle can then be calibrated and used in the same manner as a long-range reticle.

In yet another embodiment, a portion of the primary vertical cross-hair or the primary horizontal cross-hair, or both, is provided with rangefinder markings to eliminate the need for a separate rangefinder means in one of the sectors formed by the intersection of the primary vertical and horizontal cross-hairs.

In one embodiment, the reticle markings are assigned range and distance values, for example, by using a computing device containing a ballistics calculator program which receives information regarding external/environmental field conditions (e.g., date, time, temperature, relative humidity, target image resolution, barometric pressure, wind speed, wind direction, hemisphere, latitude, longitude, altitude), firearm information (e.g., rate and direction of barrel twist, internal barrel diameter, internal barrel caliber, and barrel length), projectile information (e.g., projectile weight, projectile diameter, projectile caliber, projectile cross-sectional density, one or more projectile ballistic coefficients (as used herein, “ballistic coefficient” is as exemplified by William Davis, American Rifleman, March, 1989, incorporated herein by reference), projectile configuration, propellant type, propellant amount, propellant potential force, primer, and muzzle velocity of the cartridge), target acquisition device and reticle information (e.g., type of reticle, power of magnification, first, second or fixed plane of function, distance between the target acquisition device and the barrel, the positional relation between the target acquisition device and the barrel, the range at which the telescopic gunsight was zeroed using a specific firearm and cartridge), information regarding the shooter (e.g., the shooter\'s visual acuity, visual idiosyncrasies, heart rate and rhythm, respiratory rate, blood oxygen saturation, muscle activity, brain wave activity, and number and positional coordinates of spotters assisting the shooter), and the relation between the shooter and target (e.g., the distance between the shooter and target, the speed and direction of movement of the target relative to the shooter, or shooter relative to the target (e.g., where the shooter is in a moving vehicle), and direction from true North), and the angle of the rifle barrel with respect to a line drawn perpendicularly to the force of gravity).

In one embodiment, the output of a ballistics program is selected to produce aiming point information for a specific target at a known range, or multiple targets at known or estimable ranges. In a further embodiment, the target acquisition device is a conventional telescopic gunsight comprising a reticle of the present disclosure in which the scope is adjusted to hit a target at range by rotating horizontal and vertical adjustment knobs a calculated number of “clicks”. In a further embodiment, the telescopic gunsights include all varying designs of telescopic gunsights apparent to one skilled in the art, for example, telescopic gunsights manufactured and marketed by Leupold, Schmidt-Bender, Swarovski, Burris, Bushnell, Zeiss, Nikon, Kahles Optik, and Nightforce. In a preferred embodiment, the telescopic gunsight contains a reticle of the present disclosure in which the specific aiming point for the target is identified by reference to the calibrated secondary horizontal and vertical cross-hairs. In some preferred embodiments, the calculator comprises means for unit conversion for any desired measurement.

In one embodiment, the reticle of the present disclosure comprises a plurality of primary cross-hairs separated by predetermined distances, a plurality of secondary cross-hairs at predetermined distances along said plurality of primary cross-hairs, and a plurality of lead markings indicating rate of movement of the target along at least one said cross-hair. In one embodiment, the plurality of primary-cross-hairs comprises vertical cross-hairs. In another embodiment, the plurality of primary cross-hairs comprises horizontal cross-hairs. In yet another embodiment, the plurality of primary cross-hairs comprises both vertical and horizontal cross-hairs. In a further embodiment, the plurality of secondary cross-hairs comprises vertical cross-hairs. In still further embodiment, the plurality of secondary cross-hairs comprises horizontal cross-hairs. In a preferred embodiment, the plurality of secondary cross-hairs comprises both vertical and horizontal cross-hairs. In a particularly preferred embodiment, the plurality of secondary cross-hairs comprises at least three secondary cross-hairs.

In one embodiment, lead markings are placed along at least one of the primary cross-hairs. In another embodiment, the lead markings are placed along at least one of the secondary cross-hairs. In yet another embodiment, the lead markings are placed along at least one primary cross-hair, and at least one secondary cross-hair. In a preferred embodiment, the plurality of lead markings comprises at least three lead markings. In a particularly preferred embodiment, the lead markings are secondary cross-hairs.

In one embodiment, the reticle comprises rangefinder markings. In another embodiment, the reticle comprises markings for identification of one or more of the cross-hairs. In an additional embodiment, the reticle comprises markings for identification of one or more of the lead markings. In still another embodiment, the reticle comprises an aiming dot.

In one embodiment, the reticle is configured for use in day light illumination. In some embodiments the reticle is configured for use in low light illumination.

In one embodiment, the present disclosure comprises a method for shooting a target comprising a target acquisition device, comprising a housing, a means for mounting said housing in a fixed, predetermined position relative to a firearm, an objective lens mounted in one end of said housing, an ocular lens mounted in the opposite end of said housing; a reticle comprising a plurality of primary cross-hairs separated by predetermined distances, a plurality of secondary cross-hairs at predetermined distances along said plurality of primary cross-hairs, and a plurality of lead markings indicating rate of movement of the target along at least one said cross-hair; selecting an aiming point on said target acquisition device that accounts for the relation of the shooter to the target, and using said aiming point to aim said firearm so as to hit said target.

In one embodiment, the present disclosure comprises a method for shooting a target comprising a target acquisition device comprising a housing, a means for mounting the housing in a fixed, predetermined position relative to a firearm, an objective lens mounted in one end of said housing, and an ocular lens mounted in the opposite end of said housing; a reticle comprising a plurality of primary cross-hairs separated by predetermined distances, a plurality of secondary cross-hairs at predetermined distances along said plurality of primary cross-hairs, and a plurality of lead markings indicating rate of movement of the target along at least one said cross-hair; a ballistics calculator system for computing targeting information to hit a target comprising a processor comprising a ballistics computer program embodied in a computer-readable medium for analyzing information needed to accurately aim a firearm at a target using a target acquisition device with a reticle, with the program using information regarding one or more of external conditions, the firearm being used, the projectile being used, the target acquisition device and reticle being used, the shooter, the relation of the shooter wherein said target can be greater than 1000 yards from the shooter, and the ballistics drag model and retardation coefficient being used, and selecting an aiming point on the target acquisition device that accounts for the relation of the shooter to the target, and using the targeting information displayed by the ballistics calculator system to aim the firearm so as to hit the target. In a preferred embodiment, the target is hit by holding the aiming point on the target. In a further embodiment the ballistics calculator system projects a reticle specific for information regarding one or more of the firearm being used, the projectile being used, and the target acquisition device being used.

In some embodiments, reticles of the present disclosure comprise a primary horizontal cross-hair, a primary vertical cross-hair that intersects said primary horizontal cross-hair, two or more mil lines of graduated length on said primary horizontal cross-hair, two or more mil lines of graduated length on said primary vertical cross-hair, two or more offset mil lines subtending the gap between the third and the fourth mil lines on the primary horizontal cross-hair and the primary vertical cross hair to the left, to the right, and above the intersection of the primary horizontal cross-hair and the primary vertical cross-hair, two or more range markings along the primary vertical cross-hair below the intersection of the primary horizontal cross-hair and the primary vertical cross-hair, two or more wind markings to the left and to the right of the primary vertical cross-hair below the intersection of the primary horizontal cross-hair and the primary vertical cross-hair, two or more simultaneously visible secondary horizontal cross-hairs at predetermined distances on said primary vertical cross-hair, and two or more simultaneously visible secondary vertical cross-hairs at predetermined distances on said simultaneously visible secondary horizontal cross-hairs, wherein an intersection of at least one of said two or more simultaneously visible secondary vertical cross-hairs and at least one of said two or more simultaneously visible secondary horizontal cross-hairs provides an aiming point.

In some embodiments, the two or more mil lines of graduated length on the primary horizontal cross-hair and the two or more mil lines of graduated length on the primary vertical cross-hair are graduated in length in a replicated pattern. In further embodiments, the two or more mil lines of graduated length on the primary horizontal cross-hair and the two or more mil lines of graduated length on the primary vertical cross-hair are successively 0.5 mils, 0.6 mils, 0.7 mils, 0.8 mils and 0.9 mils in length in a pattern that is replicated thereafter along the primary horizontal cross-hair and the primary vertical cross-hair.

In some embodiments, the two or more offset mil lines subtending the gap between the third and the fourth mil lines on the primary horizontal cross-hair and the primary vertical cross hair to the left, to the right and above the intersection of the primary horizontal cross-hair and the primary vertical cross-hair are offset in a V-shape. In other embodiments, the two or more offset mil lines subtending the gap between the third and the fourth mil lines on the primary horizontal cross-hair and the primary vertical cross hair to the left, to the right and above the intersection of the primary horizontal cross-hair and the primary vertical cross-hair are successively spaced at 3.5, 3.6, 3.7, 3.8 and 3.9 mils.

In some embodiments, the two or more range markings along the primary vertical cross-hair below the intersection of the primary horizontal cross-hair and the primary vertical cross-hair comprise a gap. In other embodiments, the gap corresponds to a predetermined dimension of a target at a predetermined range. In further embodiments, the two or more range markings along the primary vertical cross-hair below the intersection of the primary horizontal cross-hair and the primary vertical cross-hair comprise an oval. In still further embodiments, the longest diameter of the oval corresponds to a predetermined dimension of a target at a predetermined range.

In some embodiments, the two or more wind markings to the left and to the right of the primary vertical cross-hair below the intersection of the primary horizontal cross-hair and the primary vertical cross-hair are selected from a group consisting of a dot, a cross, an uninterrupted line, an interrupted line, a number and a line comprising two or more numbers. In other embodiments, the two or more wind markings to the left and to the right of the primary vertical cross-hair below the intersection of the primary horizontal cross-hair and the primary vertical cross-hair are calibrated for the velocity of a target, properties of a projectile, properties of a firearm, or properties of the environment. In further embodiments, the properties of the environment comprise density altitude, wind speed, wind direction, and wind angle. Further embodiments comprise velocity-of-a-target-markings above or below the primary horizontal cross-hair. In some embodiments, the wind markings to the left and to the right of the primary vertical cross hair are arranged in vertically curvilinear lines.

In some embodiments, the primary horizontal cross-hair is a line. In other embodiments, the line is a straight line. In still other embodiments, the straight line is an uninterrupted straight line. In further embodiments, the primary horizontal cross-hair has a predetermined thickness. In some embodiments the predetermined thickness is a single thickness along the primary horizontal cross-hair. In other embodiments, the primary vertical cross-hair is a line. In some embodiments the line is a straight line. In further embodiments the straight line is an uninterrupted straight line. In some embodiments, the primary vertical cross-hair has a predetermined thickness. In further embodiments, the predetermined thickness is a single thickness along the primary vertical cross-hair. In preferred embodiments, the primary horizontal cross-hair and said primary vertical cross-hair physically cross at an intersection point. In certain embodiments, at least one of the two or more secondary horizontal cross-hairs is an uninterrupted straight line. In other embodiments, at least one of the two or more secondary horizontal cross-hairs is a predetermined thickness. In some embodiments, the predetermined thickness is a single thickness along the at least one of the two or more secondary horizontal cross-hairs. In other embodiments, the at least one of the two or more secondary horizontal cross-hairs is shorter in length than the primary horizontal cross-hair. In still other embodiments, the at least one of the two or more secondary vertical cross-hairs is an uninterrupted straight line. In some embodiments, at least one of the two or more secondary vertical cross-hairs is a predetermined thickness. In some embodiments, the predetermined thickness is single thickness along the at least one of the two or more secondary vertical cross-hairs. In other embodiments, at least one of the two or more secondary vertical cross-hairs is shorter in length than the primary vertical cross-hair. In some embodiments, a plurality of the two or more secondary vertical cross-hairs are evenly spaced. In certain embodiments, the two or more wind markings are evenly spaced on at least one of said two or more simultaneously visible secondary horizontal cross-hairs. In other embodiments, the two or more wind markings are evenly spaced at intervals that differ between at least two of said two or more simultaneously visible secondary horizontal cross-hairs. In still further embodiments, the rangefinder markings and the wind markings are identified by numbers. Some embodiments comprise a zero aiming point at the intersection of the primary vertical cross-hair and the primary horizontal cross-hair. Other embodiments comprise at least one simultaneously visible straight line secondary horizontal cross-hair on the primary vertical cross-hair above the primary horizontal cross-hair.

Other embodiments will be evident from a consideration of the drawings taken together with the detailed description.

BRIEF DESCRIPTION OF THE DRAWINGS

A better understanding of the disclosure and its advantages will be apparent from the detailed description taken in conjunction with the accompanying drawings in which:

FIG. 1 is a diagram showing the optical components of a telescopic gunsight of the present disclosure;

FIG. 2 is a front view of a reticle of the present disclosure, showing the markings as viewed through a zoom telescopic gunsight at high power, the spacing of the markings based upon a “shooter\'s minute of angle” or inch of angle” (IOA™) scale;

FIG. 3 is a front view of a reticle of the present disclosure, showing the markings as viewed through a zoom telescopic gunsight at low power;

FIG. 4 is a partial side view of an example of a firearm showing a telescopic gunsight mounted on the barrel;

FIG. 5 is an example of a reticle of the present disclosure based upon a “centimeter of angle” (COA™) scale;

FIG. 6 is a front view of an example of a mid-range reticle of the present disclosure. The spacing of the markings are based upon an “inch of angle” (IOA™) scale;

FIG. 7 is a front view of a reticle of the present disclosure in which the upper portion of the primary vertical cross-hair and the primary horizontal cross-hair have been provided with rangefinder markings of a United States Marine Corps mil Radians scale, (where a circle equals 6,283 mils/circle); or it may be calibrated in United States Army mil scale (6,400 mils/circle), or other mil scale (e.g. 6000 mil/circle, 9000 mil/circle), or European, Russian, or other variations of the mil scale.

FIG. 8 is a front view of a reticle of the present disclosure in which the upper portion of the primary vertical cross-hair and the primary horizontal cross-hair have been provided with rangefinder markings of an “inches of angle” (IOA™) scale;

FIG. 9 is a front view of a reticle of an embodiment of the present disclosure, showing the markings as viewed through a zoom telescopic gunsight at intermediate power with rangefinder markings between at least one pair of secondary horizontal cross-hairs on a primary vertical cross-hair and between at least one pair secondary vertical cross-hairs on a primary horizontal cross-hair, with secondary horizontal and secondary vertical cross-hairs of predetermined incremental lengths along a primary horizontal and primary vertical cross-hair respectively, with one or more secondary vertical cross-hairs along one or more secondary horizontal cross-hairs, with gaps along a primary vertical cross-hair that correspond to a predetermined dimension of a target (e.g., 12 inches) at varying ranges, with lead markings for correction for wind and motion of a target provided by wind dots and a vertical alignment of ordered numbers suitable for use, for example, in tactical, military, police and sporting applications.

FIG. 10 is a front view of a reticle of an embodiment of the present disclosure, showing the markings as viewed through a zoom telescopic gunsight at intermediate power with rangefinder markings between at least one pair of secondary horizontal cross-hairs on a primary vertical cross-hair and between at least one pair secondary vertical cross-hairs on a primary horizontal cross-hair, with one or more secondary vertical cross-hairs along one or more secondary horizontal cross-hairs, with secondary horizontal and secondary vertical cross-hairs of predetermined incremental lengths, with gaps along a primary vertical cross-hair that correspond to a predetermined dimension of a target (e.g., 12 inches) at varying ranges, with lead markings for correction for wind and motion of a target provided by wind dots and a vertical alignment of ordered numbers, and secondary vertical cross-hairs along secondary horizontal cross hairs numbered from 10 to 38 suitable for use, for example, in tactical, military, police and sporting applications.

FIG. 11 is a front view of a reticle of an embodiment of the present disclosure, showing the markings as viewed through a zoom telescopic gunsight at high power with rangefinder markings between at least one pair of secondary horizontal cross-hairs on a primary vertical cross-hair and between at least one pair secondary vertical cross-hairs on a primary horizontal cross-hair, with one or more secondary vertical cross-hairs along one or more secondary horizontal cross-hairs, with secondary horizontal and secondary vertical cross-hairs of predetermined incremental lengths, with gaps along a primary vertical cross-hair that correspond to a predetermined dimension of a target (e.g., 12 inches) at varying ranges, with lead markings for correction for wind and motion of a target provided by wind dots and a vertical alignment of ordered numbers, and secondary vertical cross-hairs along secondary horizontal cross hairs numbered from 10 to 20 suitable for use, for example, in tactical, military, police and sporting applications.

FIG. 12 is a front view of a reticle of an embodiment of the present disclosure showing the markings as view through a zoom telescopic gunsight at high power with one or more secondary vertical cross-hairs along one or more secondary horizontal cross-hairs, with ovals along a primary vertical cross-hair that correspond to a predetermined dimension of a target (e.g., 12 inches) at varying ranges, with lead markings for correction for wind and motion of a target provided by markings (e.g., crosses) and angled oblique lines, and with numbers above a primary horizontal cross-hair that correspond to a constant rate of motion of a target suitable for use, for example, in tactical, military, police and sporting applications.

FIG. 13a illustrates a representative target for use of the reticle of the present disclosure for a second shot correction of a missed first shot;

FIG. 13b illustrates a range call for using line #8 for drop compensation. For the first shot the target is placed on line #8 and the shot taken;

FIG. 13c illustrates that the shot taken in FIG. 13b misses the bull\'s eye with an impact high and to the right of the target;

FIG. 13d illustrates that when the reticle of the target acquisition device is aligned so that the bull\'s eye and original aiming point are aligned (at the central cross-hair of line #8), the actual bullet impact is at line #7, 2 hack-marks to the right;

FIG. 13e illustrates that line #7 2 hack-marks (i.e., secondary vertical cross-hairs) to the right is used for the main targeting cross-hair aligned with the bull\'s eye for the second shot;

FIG. 13f illustrates that the second shot impacts the bull\'s eye using the impact point of the first shot on the reticle as the aiming point for the second shot;

FIG. 14a is a front view of reticle markings of the present disclosure, showing the markings as viewed through a zoom telescopic gunsight at high power.

FIG. 14b is a front view of reticle markings of the present disclosure, showing the markings as viewed through a zoom telescopic gunsight at high power.



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stats Patent Info
Application #
US 20140123534 A1
Publish Date
05/08/2014
Document #
13737248
File Date
01/09/2013
USPTO Class
42122
Other USPTO Classes
International Class
41G1/38
Drawings
33


Retic
Telesco


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