Firearms – Barrels
Reexamination Certificate
1999-09-27
2001-10-02
Poon, Peter M. (Department: 3641)
Firearms
Barrels
C042S106000, C089S014050, C124S083000, C124S071000
Reexamination Certificate
active
06295752
ABSTRACT:
FIELD OF THE INVENTION
This invention relates to a projectile guide for a compressed gas powered gun and, more particularly, to a barrel adapted for use in a paintball gun.
BACKGROUND OF THE INVENTION
Projectile guides for compressed gas powered guns are usually an elongate solid member with a cylindrical bore therethrough. These projectile guides, commonly referred to as barrels, are usually removably secured to the body of the compressed gas powered gun. Oftentimes, and when the aforementioned barrels are used in a paintball environment, the paintballs break inside the barrel and coat the interior surface thereof with the gelatinous material (paint) and, after a while, the projectiles travelling through the hollow interior of the barrel are affected by the gelatinous material (paint) to cause the projectile to move erratically after exiting the outlet end of the barrel. It is thus necessary to squeegee the gelatinous material (paint) off from the interior walls of the bore of the barrel. Thus, there exists a desire for barrels which are much less sensitive to the breakage of gelatinous material (paint) containing projectiles while travelling inside a barrel.
Accordingly, it is an object of the invention to provide a projectile guide for a compressed gas powered gun wherein the projectile guide includes a hollow cylindrical sleeve-like base with an axially extending projectile guiding cylindrical opening therethrough, the base having at one end thereof and extending axially from this end a plurality of elongate and circumferentially spaced members of a finite length and configured relative to each other to define a projectile guiding passageway for a projectile fired from the aforesaid gun.
It is a further object of the invention to provide a barrel for a compressed gas powered gun, as aforesaid, wherein at least one annular ring is provided along the length of the members and being connected to the members so as to maintain the circumferential spacing fixed along the length of the barrel.
It is a further object of the invention to provide a projectile guide, as aforesaid, wherein a radially innermost portion of an exterior surface of each of the members lies substantially tangent to both of the radially inwardly facing surface of the cylindrical opening through the base and a second radially inwardly facing surface of each of the annular rings.
It is a further object of the invention to provide a projectile guide, as aforesaid, wherein a radially innermost portion of the exterior surface of each of the members lies radially inwardly of both of a first radially inwardly facing surface of the cylindrical opening through the base and a second radially inwardly facing surface of each of the annular rings.
It is a further object of the invention to provide a projectile guide, as aforesaid, wherein circumferentially spaced elongate gaps are provided along the length of the projectile guide to provide air communication between the interior portion of the projectile guide and the exterior portion thereof.
SUMMARY OF THE INVENTION
The objects and purposes of the invention are met by providing a projectile guide for a compressed gas powered gun which includes a hollow cylindrical sleeve-like base with an axially extending projectile guiding cylindrical opening therethrough. The base has at a first end thereof and extending axially from the first end a plurality of elongate and circumferentially spaced members of finite length and configured relative to each other to define a projectile guiding passageway for a projectile fired from the gun.
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Chambers Troy
Crossfire, Inc.
Flynn ,Thiel, Boutell & Tanis, P.C.
Poon Peter M.
LandOfFree
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