BALLISTIC RANGE FINDING RETICLE FOR MODERN SPORTING RIFLE
A gunsight reticle suitable for rapid and accurate target distance measurement and compensation or rapid close quarters target acquisition. Reticle may incorporate members and markings suitable for use in scale based, bracket at distance, and power ring rangefinding techniques. Reticle may include thick central aiming elements suitable for rapid target acquisition. Reticle may include horizontal bracket at distance members and vertical scale members which overlap on a vertical axis passing though the primary aiming point.
This application claims the benefit of priority under 35 U.S.C. §119(e) from U.S. Provisional Patent Application No. 61843369 filed Sep. 4, 2013, which is incorporated herein by reference.
FIELD OF THE INVENTIONThis invention relates to sporting rifles, and more particularly, to a ballistic range finding reticle.
BACKGROUND OF THE INVENTIONRecently the popularity of 1-(n)x scopes, where (n) commonly represents a maximum power of 3, 4, 5, 6, 8, and 10, has grown. This class of optics is exemplified by such products as the Leupold CQ/T, Leupold VX-6x 1-6x, Leupold Mark 6 1-6x, Leupold Mark 8 CQBSS, U.S. Optics SR-8c, GRSC CRS, Vortex 1-6x24 Razor HD Gen II, Zeiss Victory Varipoint 1.1-4×24 T, Swarovski 1-6×24 Z6i, and others. A common application of this class of optics is use on the Modern Sporting Rifle class of firearms, as exemplified by the AR15, AR10, SCAR, ACR, FN2000, AUG, and other similar rifles and carbines. These rifles are effective at ranges from point blank to beyond 600 yards. The variable 1-(n)x scope class often proves to be a good complement to this large extent of effective ranges because a scope of this class can be used at lx magnification with both of the shooter's eyes open in the manner of a red dot type sight for high speed, or at high magnification for extended range shooting. The combination of the 1-(n)x class of optics with the modern sporting rifle has become popular in practical shooting competitions where life-size targets are engaged at a variety of known and unknown distances.
Determining the range of a target is of great importance in order to know how much deviation from the primary point of aim must be employed to compensate for the drop of the projectile because of the distance and its drift due to wind. Conceiving of a reticle design that offers as great a degree of flexibility of target dimensions, speed of use, and accuracy of resulting range and shot placement, as the rest of the modern sporting rifle platform does, has proven difficult for optics makers.
Accordingly, it is an object of the invention to provide reticle and method of using the reticle that do not suffer from the above drawbacks in the art.
SUMMARY OF THE INVENTIONAccording to an exemplary embodiment of the present disclosure, a gunsight reticle is provided. The gunsight reticle includes a primary aiming point, at least one marking, a plurality of horizontal ranging members, and a plurality of scale members. The at least one marking on the reticle is operable to be used in combination with a power ring range denominators on a rifle scope and is operable to bracket a target within the at least one marking on the reticle to determine a range of the target using a power ring method. The plurality of horizontal ranging members are operable to determine the range of the target using a bracket distance method. The plurality of scale members are placed along a axis at a predetermined interval and are operable to determine the range of the target using a scale-based method.
The primary aiming point of said gunsight reticle may be a top vertex of a first thick central aiming element. A second thick central aiming element may surround the first thick central aiming element and may include a plurality of scallops thereby avoiding windage members, scale members, horizontal ranging members, or a combination thereof.
Said gunsight reticle may have at least one marking wherein, at least one marking includes a semicircular marking is operable to surround a known dimension of the target. Said gunsight reticle may have at least one marking wherein, at least one marking includes a first horizontal marking and a second horizontal marking bracketing a known dimension of the target. Wherein, if a known dimension of the target appears smaller than the at least one marking, then a power ring on the rifle scope is rotated in a direction of higher magnification. Wherein, if a known dimension of the target appears larger than the at least one marking, then a power ring on the rifle scope is rotated in a direction of lower magnification. Wherein, if a known dimension of the target is bracketed within the at least one marking, then the range of the target may be read off the power ring range denominators at a point adjacent to an indicator mark on the rifle scope.
Said gunsight reticle may have a plurality of horizontal ranging members wherein, the plurality of horizontal ranging members are further vertically displaced from the primary aiming point at distances in accordance with a predetermined ballistic profile forming a secondary aiming guides.
Said gunsight reticle may include scale members wherein, the scale members may include a plurality of horizontal scale members along a horizontal axis and may include a plurality of vertical scale members along a vertical axis. The plurality of horizontal ranging members may be interspersed vertically with the plurality of vertical scale members and be coaxial along a vertical axis.
Said gunsight reticle may include a plurality of windage members operable to indicate drift of a projectile at a specific range and a wind value. The plurality of windage members, being both vertically and horizontally displaced from the primary aiming point, at distances in accordance with the predetermined ballistic profile.
Said gunsight reticle may have the scale based method, bracket at distance method, and windage members calibrated to a specific magnification.
A method of using said gunsight reticle according to an embodiment of this disclosure is reserved.
According to another exemplary embodiment of the present disclosure a gunsight reticle is provided. The gunsight reticle includes a primary aiming point, a plurality of horizontal ranging members operable to determine a range of a target using a bracket at distance method, and a plurality of vertical scale members placed along a vertical axis at a predetermined interval. The plurality of vertical scale members being operable to determine the range of the target using the scale-based method. The plurality of horizontal ranging members and vertical scale members are coaxial along a vertical axis passing through the primary aiming point.
This invention provides a reticle with associated power ring markings that allows a user more flexibility in range-finding methods by offering three distinct systems. These systems being: a power ring based system, a bracket at distance system, and a scale-based system. These systems are particularly suited for ranging the life-size targets, such as the full sized International Practical Shooting Confederation (IPSC) target used in practical rifle shooting competitions today. The strengths and weaknesses of each range-finding system offers the user meaningful choices with regards to speed, accuracy, and flexibility of type of target to be ranged. The power ring range-finding method offers ranging with high speed and accuracy but low flexibility. The bracket at distance method offers high speed but has low accuracy and low flexibility. The scale-based method offers high flexibility and accuracy varying according the size and orientation of the object being ranged but low speed. Lastly, this design includes features helpful to rapid target acquisition at point blank range. The particular way in which these extant range-finding methods are combined with each other, with the caliber-specific range compensation markings, and with the rapid point shooting features, results in a reticle with associated power ring markings offering an average performance over the full effective range of a modern sporting rifle, which is a significantly improvement over existing alternatives.
One advantage of an embodiment of the present disclosure is that the reticle with associated power ring markings, offers an improvement in average hit probability and speed to the user over extant designs.
Yet another advantage of an embodiment of the present disclosure is, that the reticle with associated power ring markings, allows a user more flexibility in range-finding methods by offering and combining three distinct systems. The three systems being: a power ring based system, a bracket at distance system, and a scale-based system. These systems are particularly suited for ranging life-size targets, such as the full sized International Practical Shooting Confederation (IPSC) target used in practical rifle shooting competitions today. The strengths and weaknesses of each range-finding system offers the user meaningful choices with regards to speed, accuracy, and flexibility of type of target to be ranged. The power ring range-finding method offers ranging with high speed and accuracy but low flexibility. The bracket at distance method offers high speed but has low accuracy and low flexibility. The scale-based method offers high flexibility and accuracy varying according the size and orientation of the object being ranged but low speed. Lastly, this design includes features helpful to rapid target acquisition at point blank range. The particular way in which these extant range-finding methods are combined with each other, with the caliber-specific range compensation markings, and with the rapid point shooting features, results in a reticle with associated power ring markings offering an average performance over the full effective range of a modern sporting rifle, which is a significant improvement over existing alternatives.
Other features and advantages of the present invention will be apparent from the following more detailed description of the preferred embodiment, taken in conjunction with the accompanying drawings which illustrate, by way of example, the principles of the invention.
According to an exemplary embodiment of the present disclosure, a gunsight reticle 40 is provided. The gunsight reticle 40 includes a primary aiming point 50, at least one marking 77, a plurality of horizontal ranging members 54a-f, and a plurality of scale members 69. The at least one marking 77, on the reticle is operable to be used in combination with a power ring range denominators 35, on a rifle scope 10, and is operable to bracket a target 85, within the at least one marking 77, on the reticle 40, to determine a range of the target 85, using a power ring method. The plurality of horizontal ranging members 54a-f, are operable to determine the range of the target 85, using a bracket distance method. The plurality of scale members 69, are placed along a axis at a predetermined interval and are operable to determine the range of the target 85, using a scale-based method.
The primary aiming point 50, of said gunsight reticle 40, may be a top vertex of a first thick central aiming element 74. A second thick central aiming element 72, may surround the first thick central aiming element and may include a plurality of scallops 55a-c, thereby avoiding a windage members 53a-l, scale members 69, horizontal ranging members 54a-f, or a combination thereof.
Said gunsight reticle 40, may have at least one marking 77, wherein, at least one marking includes a semicircular marking 75, is operable to surround a known dimension of the target 83. A alternative embodiment reticle 140, may have at least one marking 77, wherein, at least one marking includes a first horizontal marking 179a, and a second horizontal marking 179b, bracketing a known dimension of the target 83. Wherein, if a known dimension of the target 83, appears smaller than the at least one marking 77, then a power ring 34, on the rifle scope 10, is rotated in a direction of higher magnification. Wherein, if a known dimension of the target 83, appears larger than the at least one marking 77, then a power ring 34, on the rifle scope 10, is rotated in a direction of lower magnification. Wherein, if a known dimension of the target 83, is bracketed within the at least one marking 77, then the range of the target 85, may be read off the power ring range denominators 35, at a point adjacent to a indicator mark 38, on the rifle scope 10.
Said gunsight reticle 40, may have a plurality of horizontal ranging members 54a-f, wherein, the plurality of horizontal ranging members 54a-f, are further vertically displaced from the primary aiming point 50, at distances in accordance with a predetermined ballistic profile
Said gunsight reticle 40, may include scale members 69, wherein, the scale members 69, may include a plurality of horizontal scale members 71, along a horizontal axis and may include a plurality of vertical scale members 70, along a vertical axis. The plurality of horizontal ranging members 54a-f, may be interspersed vertically with the plurality of vertical scale members 70, and be coaxial along a vertical axis.
Said gunsight reticle 40, may include a plurality of windage members 53a-l, operable to indicate drift of a projectile at a specific range and a wind value. The plurality of windage members 53a-l, being both vertically and horizontally displaced from the primary aiming point 50, at distances in accordance with the predetermined ballistic profile
Said gunsight reticle 40, may have the scale based method, bracket at distance method, and windage members calibrated to a specific magnification 36.
A method of using said gunsight reticle 40, according to an embodiment of this disclosure is reserved.
According to another exemplary embodiment of the present disclosure a gunsight reticle 40, is provided. The gunsight reticle 40 includes a primary aiming point 50, a plurality of horizontal ranging members 54a-f, operable to determine a range of a target 85, using a bracket at distance method, and a plurality of vertical scale members 70, placed along a vertical axis at a predetermined interval. The plurality of vertical scale members 70 are operable to determine the range of the target 85, using the scale-based method. The plurality of horizontal ranging members 54a-f, and vertical scale members 70, are coaxial along a vertical axis passing through the primary aiming point 50.
Throughout the specification, reference to “one embodiment,” “an embodiment,” or “some embodiments” means that a particular described feature, structure, or characteristic is included in at least one embodiment. Thus appearances of the phrases “in one embodiment,” “in an embodiment,” or “in some embodiments” in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
Furthermore, the described features, structures, characteristics, and methods may be combined in any suitable manner in one or more embodiments. Those skilled in the art will recognize that the various embodiments can be practiced without one or more of the specific details or with other methods, components, materials, etc. In other instances, well-known structures, materials, or operations are not shown or not described in detail to avoid obscuring aspects of the embodiments.
The power ring range denominators 35 may be marked in desirable increments of any units and properly calibrated so that the power ring ranging system yields accurate range measurements of a chosen target 85 over an increment of chosen distances 62 relevant to the specific caliber chosen such as that in
The vertical displacement of the horizontal ranging members 54a-f from primary aiming point 50 may be calibrated in a way that corresponds to the drops 64 of the chosen caliber, illustrated in
The bracket distance method of ranging is the fastest of all ranging systems. The disadvantage of this system is that because it ranges horizontal dimensions, it suffers inaccuracy if the target 85 is not round and is oriented about the vertical axis in a manner that makes it difficult for the user to observe that the width of the target 85 being displayed is not the full width, but rather, a lesser amount owing to the rotation. Lastly, most width-based bracket distance systems use a relatively small horizontal dimension, such as 18-inches and suffer inaccuracy as a result.
A scale-based ranging system may exist wherein the scale represents angular dimensions such as milliradian (mil), minute of angle (MOA), or inches per hundred yards and is graduated at regular intervals with a plurality of scale members 69. The scale members 69 may be described in a style clearly differentiating them from the horizontal ranging members 54a-f and windage members 53a-l. The vertical scale vertical scale members 70 may be coaxial and interspersed at least some places vertically with the horizontal ranging members 54a-f. The horizontal scale members 71 may be offset vertically from the primary aiming point 50.
According to an exemplary alternative embodiment of the present disclosure, a gunsight reticle 140 is provided. The reticle 140 includes a primary aiming point 150, at least one marking 77, a plurality of horizontal ranging members 154a-f, and a plurality of scale members 169. The at least one marking 77 on reticle 140 is operable to be used in combination with power ring range denominators 35 on a rifle scope 10, and is operable to bracket a target 85 within the at least one marking 77 on reticle 140 to determine a range of the target 85 using a power ring method. The plurality of horizontal ranging members 154a-f are operable to determine the range of the target 85 using a bracket distance method. The plurality of scale members 169 are placed along a axis at a predetermined interval and are operable to determine the range of the target 85 using a scale-based method.
The primary aiming point 150 of reticle 140 may be a top vertex of an alternative embodiment of first thick central aiming element 174.
A gunsight reticle 40, may have at least one marking 77, wherein at least one marking includes a semicircular marking 75 operable to surround a known dimension of the target 83 (see
As shown in
A gunsight reticle 40 may have at least one marking 77, wherein at least one marking includes a semicircular marking 75 operable to surround a known dimension of the target 83. In an alternative embodiment, gunsight reticle 140, may include scale members 169, wherein the scale members 169 may include a plurality of horizontal scale members 171, along a horizontal axis and may include a plurality of alternative embodiment vertical scale members 170 along a vertical axis (see
As shown in
Reticle 140 may have the scale based method, bracket at distance method, and windage members calibrated to a specific magnification 36.
According to another exemplary embodiment of the present disclosure, a gunsight reticle 140 is provided. As shown in
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed as the best mode contemplated for carrying out this invention, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims
1. A gunsight reticle comprising:
- (a) a primary aiming point;
- (b) at least one marking on the reticle to be used in combination with a power ring range denominators on a rifle scope, the at least one marking operable to bracket a target within the at least one marking on the reticle to determine a range of the target using a power ring method;
- (c) a plurality of horizontal ranging members operable to determine the range of the target using a bracket distance method; and
- (d) a plurality of scale members placed along a axis at a predetermined interval, the plurality of scale members being operable to determine the range of the target using a scale-based method.
2. The gunsight reticle of claim 1, wherein the primary aiming point is a top vertex of a first thick central aiming element.
3. The gunsight reticle of claim 2, further include a second thick central aiming element, wherein the second thick central aiming element generally surrounds the first thick central aiming element.
4. The gunsight reticle of claim 3, wherein the second thick central aiming element including a plurality of scallops thereby avoiding a windage members, scale members, horizontal ranging members or a combination thereof
5. The gunsight reticle of claim 1, wherein the at least one marking includes a semicircular marking is operable to surround a known dimension of the target.
6. The gunsight reticle of claim 1, wherein the at least one marking includes a first horizontal marking and a second horizontal marking bracketing a known dimension of the target.
7. The gunsight reticle of claim 1, wherein if a known dimension of the target appears smaller than the at least one marking, then a power ring on the rifle scope is rotated in a direction of higher magnification.
8. The gunsight reticle of claim 1, wherein if a known dimension of the target appears larger than the at least one marking, then a power ring on the rifle scope is rotated in a direction of lower magnification.
9. The gunsight reticle of claim 1, wherein if a known dimension of the target is bracketed within the at least one marking, then the range of the target many be read off the power ring range denominators at the point adjacent to a indicator mark on the rifle scope.
10. The gunsight reticle of claim 1, wherein the plurality of horizontal ranging members are further vertically displaced from the primary aiming point at distances in accordance with a predetermined ballistic profile forming a secondary aiming guides.
11. The gunsight reticle of claim 1, wherein the scale members include a plurality of horizontal scale member along a horizontal axis.
12. The gunsight reticle of claim 1, wherein the scale member include a plurality of vertical scale members along a vertical axis.
13. The gunsight reticle of claim 12, wherein the plurality of horizontal ranging members are interspersed vertically with the plurality of vertical scale members and are coaxial along a vertical axis.
14. The gunsight reticle of claim 1, further including a plurality of windage members operable to indicate drift of a projectile at a specific range and a wind value, the plurality of windage members being both vertically and horizontally displaced from the primary aiming point at distances in accordance with the predetermined ballistic profile.
15. The gunsight reticle of claim 1, wherein the scale based method, bracket at distance method and windage members are calibrated to a specific magnification.
16. A method of using a gunsight reticle of claim 1.
17. A gunsight reticle comprising:
- (a) a primary aiming point;
- (b) a plurality of horizontal ranging members operable to determine a range of a target using a bracket distance method; and
- (c) a plurality of vertical scale members placed along a vertical axis at a predetermined interval, the plurality of vertical scale members being operable to determine the range of the target using the scale-based method;
- (d) wherein the plurality of horizontal ranging members and vertical scale members are coaxial along a vertical axis passing through the primary aiming point.
18. All patentable subject matter herein.
Type: Application
Filed: Sep 3, 2014
Publication Date: Sep 10, 2015
Inventor: Lester James Fischer (Columbus, OH)
Application Number: 14/476,735