US20070295321A1 - Paintball projectile drop compensator - Google Patents

Paintball projectile drop compensator Download PDF

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Publication number
US20070295321A1
US20070295321A1 US11/852,723 US85272307A US2007295321A1 US 20070295321 A1 US20070295321 A1 US 20070295321A1 US 85272307 A US85272307 A US 85272307A US 2007295321 A1 US2007295321 A1 US 2007295321A1
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United States
Prior art keywords
paintball
barrel
gun
spin
attachment
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
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US11/852,723
Inventor
Mark Finstad
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Kore Outdoor US Inc
Original Assignee
Kee Action Sports I LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kee Action Sports I LLC filed Critical Kee Action Sports I LLC
Priority to US11/852,723 priority Critical patent/US20070295321A1/en
Publication of US20070295321A1 publication Critical patent/US20070295321A1/en
Priority to US12/135,745 priority patent/US7699048B2/en
Assigned to BANK OF AMERICA, N.A., AS THE ADMINISTRATIVE AGENT reassignment BANK OF AMERICA, N.A., AS THE ADMINISTRATIVE AGENT SECURITY AGREEMENT Assignors: KEE ACTION SPORTS I LLC
Abandoned legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
    • F41B11/00—Compressed-gas guns, e.g. air guns; Steam guns
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A21/00—Barrels; Gun tubes; Muzzle attachments; Barrel mounting means
    • F41A21/32—Muzzle attachments or glands
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
    • F41B11/00—Compressed-gas guns, e.g. air guns; Steam guns
    • F41B11/60—Compressed-gas guns, e.g. air guns; Steam guns characterised by the supply of compressed gas
    • F41B11/62—Compressed-gas guns, e.g. air guns; Steam guns characterised by the supply of compressed gas with pressure supplied by a gas cartridge

Definitions

  • the present invention relates generally to the paintball sporting game, and more specifically to an apparatus for improving paintball gun accuracy in hitting a target and improving the range and trajectory of a paintball fired through the apparatus.
  • a paintball projectile delivered from a paintball gun is affected by gravity to a greater degree than an ordinary bullet because of the peculiar dynamic characteristics and relatively low velocity ( ⁇ 300 FPS) of the paintball when propelled from a paintball gun.
  • One technique for improving delivery accuracy from the paintball gun is to deliberately produce a “backspin” to the paintball as it exits the barrel of the paintball gun.
  • Tippmann Pneumatics manufacturers a special barrel that is intended to induce a backspin to the paintball exiting the barrel of a paintball gun.
  • This special barrel is intended to replace an existing barrel of one model of their paintball guns that they produce. More specifically, the special Tippmann Pneumatics barrel is curved from the chamber to a few inches out from the chamber. As the paintball goes through the curve portion of the barrel, it develops a backspin.
  • An object of the present invention is to provide a barrel attachment for a paintball gun to induce backspin onto a paintball as it travels from the paintball gun to a target.
  • Another object of the invention is to provide a barrel attachment for a paintball gun to induce backspin onto a paintball as it travels from the paintball gun to a target that may be applied to a wide variety of manufactured paintball guns.
  • Another object of the present invention is to provide a paintball backspin compensator that may be easily field adjustable to suit the needs and style of the paintball game player, and accommodate varying field conditions.
  • Another object of the present invention is to provide a paintball backspin compensator that may be easily adapted to accommodate and be tuned to various paintball diameters.
  • FIG. 1 is a plan view of a paintball gun with the paintball drop compensator in accordance with the present invention.
  • FIG. 2 is a perspective view of the paintball drop compensator in accordance with the present invention.
  • FIG. 3 is a barrel end perspective view of the paintball drop compensator in accordance with the present invention.
  • FIG. 4 is top plan view of the paintball drop compensator in accordance with the present invention.
  • FIG. 5 a bottom perspective view of the paintball drop compensator in accordance with the present invention.
  • FIG. 6 a wire-line drawing of a side view of the paintball drop compensator in accordance with the present invention.
  • FIG. 7 a wire-line drawing of a pair of adjustment pins in accordance with one aspect of the present invention.
  • FIG. 8 a wire-frame drawing of a bottom plan view bottom view of the paintball drop compensator in accordance with the present invention.
  • FIG. 9 a wire-frame drawing bottom perspective view of the paintball drop compensator in accordance with the present invention.
  • FIG. 10 a wire-frame drawing of a pair of adjustment pins in accordance with one aspect of the present invention.
  • FIG. 11 a wire-frame drawing top perspective view of the paintball drop compensator in accordance with the present invention.
  • FIG. 12 a wire-line drawing of a pair of adjustment pins in accordance with one aspect of the present invention.
  • FIG. 13 a cross sectional view through the center of the paintball drop compensator in accordance with the present invention.
  • FIG. 14 a cross sectional view through the center of the guide hole for the adjustment pins--pins removed, of the paintball drop compensator in accordance with the present invention.
  • FIG. 15 a cross sectional view through the center of the guide hole for the adjustment pins--pins inserted, of the paintball drop compensator in accordance with the present invention.
  • FIGS. 16 a - b illustrates compensator adjustment pins relative to the barrel end of the compensator with the pins set in one position.
  • FIGS. 17 a - b illustrates compensator adjustment pins relative to the barrel end of the compensator with the pins set in another position.
  • FIG. 1 illustrates the barrel spin adaptor adapted to an end of a common paintball gun.
  • the barrel spin adaptor is preferably constructed of a pliable and resilient material for easy adaptation to and removal from a paintball gun.
  • the exit portion of the barrel spin adaptor is in the shaped of a longitudinally cleaved cylinder creating a “trough” that provides an inner surface intended to impart friction to a paintball passing therethrough.
  • the “trough” is intended to be of the approximate diameter of the inside of the barrel (as shown in FIG. 3 ) and is generally aligned with the barrel, but with a slight angle relative to the longitudinal axis of the paintball gun barrel so that a paintball exiting the barrel will contact the inside surface of the trough as a paintball passes therethrough thereby imparting a back spin thereto.
  • This contact causes friction between the paintball and the trough and causes the paintball to effectively “roll” down the trough.
  • this roll or backspin causes lift on the paintball as it travels through the air. The lift experienced by the ball counteracts the natural drop due to gravity and causes the ball to have a very flat trajectory.
  • the aforementioned “slight angle” or bend of the trough relative to the gun barrel may be selected or adjusted to increase or decrease the amount of backspin put on the ball and to accommodate different paintball diameters.
  • the trough is tapered to further enhance the backspin in accordance with the present invention.
  • the end of the trough nearest the barrel has a radius of 0.360 inches, and the exiting end has a radius of 0.340 inches.
  • the adaptor is constructed from an elastomeric material.
  • an elastomeric material there are many materials that may be selected in order to provide the intended function.
  • the present invention may incorporated several materials in a laminate configuration.
  • the inner chamber or trough may also be patterned, more or less, to enhance other paintball trajectory and dynamic characteristics.
  • the choice of materials and design is such that the adaptor may be installed rotated to the axis of the barrel in accordance with the desires of the player.
  • This characteristic is particularly important, since many paintball players like to hold their paintball gun tilted at an angle when shooting.
  • other known paintball guns with spin systems as already described intended to induce a backspin to the paintball forcibly need to be fired or shot with the gun body perpendicular to the ground or the paintball will curve in the direction the gun is tilted.
  • the choice of materials and design is such that the adaptor may be either removed or disabled in less than 5 seconds if the player wants to shoot a paintball with a normal trajectory during a game (such as high wind conditions).
  • the paintball drop compensator is provided with an adjustment mechanism to further enhance paintball trajectory by way of adjustment pins as illustrated in the drawings and more particularly by those exemplified in FIG. 16 a , FIG. 17 a.
  • Longitudinal apertures 110 L and 110 R are preferably molded into the compensator for accommodating barrel adjustment pins 10 L and 10 R respectively.
  • Pins 10 L and 10 R include lever handles 113 L 113 R respectively.
  • FIG. 16 a illustrates the bends in the adjustment pin 101 L-R relative to the body of the device (shown in third angle projection). As illustrated in FIG. 16 a , with pins 101 inserted into the apertures 110 , and with the left pin pointing at 135 degrees counter-clockwise from the upward position, and the right pin pointing at an 135 degrees clockwise from the upward position, both pins 101 are bent directly downward relative to the longitudinal axis of the barrel.
  • both the left pin 101 L and right pin 101 R bend pointing in an upward direction from the central axis of the compensator away from the longitudinal axis of the barrel. Angles shown are approximations and are for reference only.
  • adjustment of pins 101 L-R provide an adjustment to the tapered portion of the drop compensator relative to the barrel axis for providing more or less back-spin as desired to the paintball exiting the barrel of the paintball gun.

Abstract

A barrel attachment for a paintball gun is provided to impart spin onto a paintball exiting the barrel of the paintball gun thereby providing projectile drop compensation. The attachment is made up of a structure having an elongated aperture with a first end that attaches over the barrel of a paintball gun thereby extending the barrel. A second end of the attachment has an open passage that is disposed at an angle to the centerline of the barrel so that a spin is imparted onto a paintball fired from the gun as it passes through the open passage.

Description

    RELATED APPLICATIONS
  • This application is a Continuation of U.S. application Ser. No. 11/384,564, filed Mar. 20, 2006, which is a Continuation of U.S. application Ser. No. 10/453,122, filed Jun. 3, 2003, which issued on May 9, 2006 as U.S. Pat. No. 7,040,310, and claims the benefit of priority pursuant to 35 USC 119 of U.S. Provisional Patent Application No. 60/386,634 filed Jun. 5, 2002, which are incorporated by reference as if fully set forth.
    • FIELD OF THE INVENTION
  • The present invention relates generally to the paintball sporting game, and more specifically to an apparatus for improving paintball gun accuracy in hitting a target and improving the range and trajectory of a paintball fired through the apparatus.
    • BACKGROUND OF THE INVENTION
  • A paintball projectile delivered from a paintball gun is affected by gravity to a greater degree than an ordinary bullet because of the peculiar dynamic characteristics and relatively low velocity (<300 FPS) of the paintball when propelled from a paintball gun. One technique for improving delivery accuracy from the paintball gun is to deliberately produce a “backspin” to the paintball as it exits the barrel of the paintball gun.
  • Tippmann Pneumatics manufacturers a special barrel that is intended to induce a backspin to the paintball exiting the barrel of a paintball gun. This special barrel is intended to replace an existing barrel of one model of their paintball guns that they produce. More specifically, the special Tippmann Pneumatics barrel is curved from the chamber to a few inches out from the chamber. As the paintball goes through the curve portion of the barrel, it develops a backspin.
  • Another technique for deliberately producing “backspin” to the paintball as it exits the barrel of a paintball gun is incorporated into the paintball gun barrel as manufactured by Armson. In order to produce the backspin onto the paintball, Armson employs a straight barrel that has a swirled pattern on the inside surface of the barrel. This paintball barrel design by Armson is alleged to put a “top spin” on the paintball, which is supposed to make it travel farther.
  • Other examples, among others, of paintball guns and the like are taught in U.S. Pat. No. 5,823,173, U.S. Pat. No. 5,640,945, and U.S. Pat. No. 5,228,427 are herein incorporated by reference.
    • SUMMARY OF THE INVENTION
  • An object of the present invention is to provide a barrel attachment for a paintball gun to induce backspin onto a paintball as it travels from the paintball gun to a target.
  • Another object of the invention is to provide a barrel attachment for a paintball gun to induce backspin onto a paintball as it travels from the paintball gun to a target that may be applied to a wide variety of manufactured paintball guns.
  • Another object of the present invention is to provide a paintball backspin compensator that may be easily field adjustable to suit the needs and style of the paintball game player, and accommodate varying field conditions.
  • Another object of the present invention is to provide a paintball backspin compensator that may be easily adapted to accommodate and be tuned to various paintball diameters.
    • BRIEF DESCRIPTION OF THE DRAWINGS
  • FIG. 1 is a plan view of a paintball gun with the paintball drop compensator in accordance with the present invention.
  • FIG. 2 is a perspective view of the paintball drop compensator in accordance with the present invention.
  • FIG. 3 is a barrel end perspective view of the paintball drop compensator in accordance with the present invention.
  • FIG. 4 is top plan view of the paintball drop compensator in accordance with the present invention.
  • FIG. 5 a bottom perspective view of the paintball drop compensator in accordance with the present invention.
  • FIG. 6 a wire-line drawing of a side view of the paintball drop compensator in accordance with the present invention.
  • FIG. 7 a wire-line drawing of a pair of adjustment pins in accordance with one aspect of the present invention.
  • FIG. 8 a wire-frame drawing of a bottom plan view bottom view of the paintball drop compensator in accordance with the present invention.
  • FIG. 9 a wire-frame drawing bottom perspective view of the paintball drop compensator in accordance with the present invention.
  • FIG. 10 a wire-frame drawing of a pair of adjustment pins in accordance with one aspect of the present invention.
  • FIG. 11 a wire-frame drawing top perspective view of the paintball drop compensator in accordance with the present invention.
  • FIG. 12 a wire-line drawing of a pair of adjustment pins in accordance with one aspect of the present invention.
  • FIG. 13 a cross sectional view through the center of the paintball drop compensator in accordance with the present invention.
  • FIG. 14 a cross sectional view through the center of the guide hole for the adjustment pins--pins removed, of the paintball drop compensator in accordance with the present invention.
  • FIG. 15 a cross sectional view through the center of the guide hole for the adjustment pins--pins inserted, of the paintball drop compensator in accordance with the present invention.
  • FIGS. 16 a-b illustrates compensator adjustment pins relative to the barrel end of the compensator with the pins set in one position.
  • FIGS. 17 a-b illustrates compensator adjustment pins relative to the barrel end of the compensator with the pins set in another position.
    • DETAILED DESCRIPTION OF THE INVENTION
  • The paintball drop compensator 100 or paintball barrel spin adaptor of the present invention is particularly illustrated in FIGS. 1-5. FIG. 1 illustrates the barrel spin adaptor adapted to an end of a common paintball gun. The barrel spin adaptor is preferably constructed of a pliable and resilient material for easy adaptation to and removal from a paintball gun.
  • The exit portion of the barrel spin adaptor is in the shaped of a longitudinally cleaved cylinder creating a “trough” that provides an inner surface intended to impart friction to a paintball passing therethrough. The “trough” is intended to be of the approximate diameter of the inside of the barrel (as shown in FIG. 3) and is generally aligned with the barrel, but with a slight angle relative to the longitudinal axis of the paintball gun barrel so that a paintball exiting the barrel will contact the inside surface of the trough as a paintball passes therethrough thereby imparting a back spin thereto. This contact causes friction between the paintball and the trough and causes the paintball to effectively “roll” down the trough. After the paintball has exited the adaptor, this roll or backspin causes lift on the paintball as it travels through the air. The lift experienced by the ball counteracts the natural drop due to gravity and causes the ball to have a very flat trajectory.
  • The aforementioned “slight angle” or bend of the trough relative to the gun barrel may be selected or adjusted to increase or decrease the amount of backspin put on the ball and to accommodate different paintball diameters.
  • In one embodiment of the invention the trough is tapered to further enhance the backspin in accordance with the present invention. In an exemplary embodiment of the adaptor in accordance with the present invention, the end of the trough nearest the barrel has a radius of 0.360 inches, and the exiting end has a radius of 0.340 inches.
  • In one embodiment of the invention, the adaptor is constructed from an elastomeric material. Of course, there are many materials that may be selected in order to provide the intended function. Further, the present invention may incorporated several materials in a laminate configuration. Also, the inner chamber or trough may also be patterned, more or less, to enhance other paintball trajectory and dynamic characteristics.
  • In accordance with another aspect of the present invention, the choice of materials and design is such that the adaptor may be installed rotated to the axis of the barrel in accordance with the desires of the player. This characteristic is particularly important, since many paintball players like to hold their paintball gun tilted at an angle when shooting. In contrast, other known paintball guns with spin systems as already described intended to induce a backspin to the paintball forcibly need to be fired or shot with the gun body perpendicular to the ground or the paintball will curve in the direction the gun is tilted.
  • In accordance with another aspect of the present invention, the choice of materials and design is such that the adaptor may be either removed or disabled in less than 5 seconds if the player wants to shoot a paintball with a normal trajectory during a game (such as high wind conditions).
  • In accordance with another aspect of the present invention, the paintball drop compensator is provided with an adjustment mechanism to further enhance paintball trajectory by way of adjustment pins as illustrated in the drawings and more particularly by those exemplified in FIG. 16 a, FIG. 17 a. Longitudinal apertures 110L and 110R are preferably molded into the compensator for accommodating barrel adjustment pins 10L and 10R respectively. Pins 10L and 10R include lever handles 113L 113R respectively.
  • FIG. 16 a illustrates the bends in the adjustment pin 101L-R relative to the body of the device (shown in third angle projection). As illustrated in FIG. 16 a, with pins 101 inserted into the apertures 110, and with the left pin pointing at 135 degrees counter-clockwise from the upward position, and the right pin pointing at an 135 degrees clockwise from the upward position, both pins 101 are bent directly downward relative to the longitudinal axis of the barrel.
  • Similarly, as illustrated in FIG. 17 a, with the left pin pointing at 45 degrees clockwise from the upward position, and the right pin pointing at 45 degrees counter-clockwise from the upward position, both the left pin 101L and right pin 101R bend pointing in an upward direction from the central axis of the compensator away from the longitudinal axis of the barrel. Angles shown are approximations and are for reference only.
  • Accordingly, adjustment of pins 101L-R provide an adjustment to the tapered portion of the drop compensator relative to the barrel axis for providing more or less back-spin as desired to the paintball exiting the barrel of the paintball gun.

Claims (9)

1. A method of imparting spin on a paintball fired from a paintball gun, comprising the steps of:
(a) providing a paintball gun;
(b) providing a barrel coupled to the gun;
(c) providing an attachment for imparting spin onto a paintball exiting the barrel, the attachment comprising first and second ends, the first end connected to the barrel of the paintball gun, the attachment including a spin portion having a c-shaped cross section, the spin portion adjustably extendable into a trajectory path to make contact with the paintball exiting the barrel; and
(d) firing the paintball gun to shoot a paintball out of the barrel.
2. The method of claim 1, wherein at least a portion of the attachment is adjustable.
3. The method of claim 1, wherein at least a portion of the attachment is formed from a pliable and resilient material.
4. The method of claim 1, wherein a paintball exiting the barrel will contact an inside surface of the spin portion as a paintball passes therethrough.
5. The method of claim 1, wherein the inside surface of the spin portion imparts friction to a paintball passing therethrough.
6. The method of claim 1, wherein an inside diameter of the spin portion is substantially equal to a diameter of a paintball.
7. The method of claim 1, wherein an inside diameter of the spin portion is less than a diameter of a paintball.
8. The method of claim 1, wherein the attachment portion is generally aligned with a centerline of the barrel, and a longitudinal axis of the spin portion is set at an angle relative to centerline of the barrel.
9. The method of claim 1, wherein the attachment includes at least a portion that is an elastomeric material.
US11/852,723 2002-06-05 2007-09-10 Paintball projectile drop compensator Abandoned US20070295321A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US11/852,723 US20070295321A1 (en) 2002-06-05 2007-09-10 Paintball projectile drop compensator
US12/135,745 US7699048B2 (en) 2002-06-05 2008-06-09 Paintball projectile drop compensator

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US38663402P 2002-06-05 2002-06-05
US10/453,122 US7040310B2 (en) 2002-06-05 2003-06-03 Paintball projectile drop compensator
US11/384,564 US7275531B2 (en) 2002-06-05 2006-03-20 Paintball projectile drop compensator
US11/852,723 US20070295321A1 (en) 2002-06-05 2007-09-10 Paintball projectile drop compensator

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US11/384,564 Continuation US7275531B2 (en) 2002-06-05 2006-03-20 Paintball projectile drop compensator

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US12/135,745 Continuation US7699048B2 (en) 2002-06-05 2008-06-09 Paintball projectile drop compensator

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US20070295321A1 true US20070295321A1 (en) 2007-12-27

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US11/384,564 Expired - Lifetime US7275531B2 (en) 2002-06-05 2006-03-20 Paintball projectile drop compensator
US11/852,723 Abandoned US20070295321A1 (en) 2002-06-05 2007-09-10 Paintball projectile drop compensator
US12/135,745 Expired - Lifetime US7699048B2 (en) 2002-06-05 2008-06-09 Paintball projectile drop compensator

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US11/384,564 Expired - Lifetime US7275531B2 (en) 2002-06-05 2006-03-20 Paintball projectile drop compensator

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US7699048B2 (en) 2010-04-20
US20060191524A1 (en) 2006-08-31
US20090095274A1 (en) 2009-04-16
US7040310B2 (en) 2006-05-09
US20040123856A1 (en) 2004-07-01
US7275531B2 (en) 2007-10-02

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