Abstract: A paint ball gun is provided. The paint ball gun has a paint ball feed mechanism which comprises an actuator, a paint ball advance assembly, a bias member, and a paint ball feed assembly. The actuator is configured to advance such that the paint ball advance assembly, coupled to the actuator, moves in response to movement by the actuator. The paint ball feed assembly is coupled to the paint ball advance assembly moving therewith and engaging a paint ball to feed the same into the paint ball gun.

Abstract: A paint ball gun is provided. The paint ball gun has a paint ball feed mechanism which comprises an actuator, a paint ball advance assembly, a bias member, and a paint ball feed assembly. The actuator is configured to advance such that the paint ball advance assembly, coupled to the actuator, moves in response to movement by the actuator. The paint ball feed assembly is coupled to the paint ball advance assembly moving therewith and engaging a paint ball to feed the same into the paint ball gun.

Abstract: A gun having a trigger assist mechanism that includes a chamber, a trigger having a firing position and a released position, a compressed gas source in pneumatic communication with the chamber, and an actuator in pneumatic communication with the chamber. The compressed gas source provides compressed gas to the chamber upon movement of the trigger to the firing position. The actuator is operably disposed to apply a force tending to move the trigger from the firing position to the released position when compressed gas is directed from the chamber to the actuator.

Abstract: A paint ball gun is provided. The paint ball gun has a curved bore and a fluid actuated firing mechanism. The fluid actuated firing mechanism is in operable communication with the curved bore such that the fluid actuated firing mechanism propels the paint ball through the curved bore.

Abstract: A paint ball gun is provided. The paint ball gun has a curved bore and a fluid actuated firing mechanism. The fluid actuated firing mechanism is in operable communication with the curved bore such that the fluid actuated firing mechanism propels the paint ball through the curved bore.

Abstract: A gun having a firing mechanism and a barrel. The barrel has a breech end coupled to the firing mechanism, a muzzle end, and a bore having a length which extends longitudinally between said breech and muzzle ends. The length of the bore between the breech and muzzle ends is curved.

Abstract: A gun having a slightly curved bore for discharging a frangible generally spherical projectile creating an improvement in trajectory of the projectile. The slightly curved bore applies a spin onto the spherical projectile without causing the projectile to rupture.

Abstract: A method and apparatus for filling a container having an opening with a liquid includes a valve assembly, disposed in the opening of the container, and a nozzle assembly. The valve assembly includes a housing having a plug detachably mounted therein. An inlet passageway extends through the plug to the interior of the container. An inlet valve is located in the inlet passageway. A relief passageway also extends through the plug to the interior of the container, and a relief valve is located in the relief passageway. The nozzle assembly is coupled to a liquid supply and is adapted to matingly engage an inlet port of the valve assembly. The nozzle assembly engages the inlet port to allow liquid from the liquid supply to flow through the inlet passageway into the interior of the container, and opens the relief valve to vent the interior of the container during the filling operation.

Abstract: An ammunition feed mechanism for an automatic or semiautomatic weapon which includes a mechanism for retarding the cyclic feeding of ammunition into the chamber of the weapon. The mechanism for retarding the cyclic feeding of ammunition includes an impeder which engages the bolt of the weapon. The ammunition feed mechanism also includes a magazine having a ramped bottom which directs ammunition projectiles to an exit therein where the ammunition projectiles are fed into the chamber of the weapon. The magazine includes a plurality of curved projections in the bottom which define a plurality of spaces into which the ammunition projectiles are received. The plurality of curved projections also guide the ammunition projectiles through the exit.

Abstract: A manually driven stitcher or sewing machine. A lever of the stitcher is manually pivotable through an arc to reciprocate a stitching mechanism. When pivoted through the arc, the lever also actuates a clamping assembly, an article advancing mechanism, and a stitching material supplying assembly. The stitcher or sewing machine of the present invention may be used to manually stitch a variety of materials including heavier ones such as leather, nylon strapping, plastic, and rubber.

Abstract: An apparatus is disclosed for bringing a cutting die into engagement with a workpiece such as leather, the apparatus includes first and second plates secured to C-shaped frame members and a platen for supporting the workpiece that is movable relative to the second plate upon inflation of a bladder secured to the periphery of the second plate upon actuation of first and second valves connected between a source of pressurized air and the bladder.

Abstract: A pneumatic sewing machine having a housing mounting a presser foot and needle bar for reciprocatory movement and a bobbin for rotary movement, a rocker arm pivotably mounted on the housing having one end attached to the needle bar and the other attached to a pneumatically actuated piston, a rack and pinion operatively connected to the rocker arm for rotating the bobbin, and valve means for controlling delivery of pressurized air from a source to the piston to bring the needle bar proximate the bobbin to perform a stitching operation.

Abstract: A compressed powered gun has a receiver with a compressed gas source fastened to one end thereof and an elongated barrel through which projectiles may be sequentially discharged fastened to the other end thereof, A clamp is formed as an integral portion of the receiver and adapted to encircle and be tightened about the barrel near one barrel end to connect the barrel to the receiver, A projectile supply hopper containing a plurality of projectiles supplies projectiles sequentially to the receiver by way of a feed tube which is formed as an integral portion of the receiver, A clamp formed as an integral portion of the feed tube is arranged to encircle and be tightened about a portion of the projectile supply hopper thereby securing the projectile supply hopper to the feed tube portion of the receiver.

Abstract: An impact actuated nonlethal hand grenade is disclosed having a flexible, preferably natural rubber resilient casing containing a pressurized marking fluid. The casing has an opening and a ball received within the opening, whereby, when the hand grenade is thrown, the subsequent impact of the grenade with an object and the resulting hydrostatic shock through the fluid within the grenade will dislodge the ball from the opening allowing the discharge of fluid from the opening and onto surrounding objects. A crimp located about midway along a selected length of tubing forms first and second segments of that tube each pinched off and sealed at one end and open at the other end and the marking fluid is forced under pressure into the open ends of the sealed segments of tube stretching the sidewall of the segments.

Abstract: A compressed gas powered marking gun for firing marking pellets and similar projectiles each of which is generally spherical and sufficiently fragile so as to break upon impact with a target is disclosed including a compressed gas source, a projectile supply magazine containing a plurality of projectiles, and means for sequentially aligning projectiles from the supply magazine with the gun barrel through which projectiles may be sequentially discharged. The firing mechanism includes a user actuable trigger for selectively supplying compressed gas from the source to expel a projectile through the barrel, and a selector mechanism movable between a first position where the trigger actuated supplying of gas is disabled, a second position where one actuation of the trigger supplies gas to expel a single projectile, and a third position where compressed gas is repeatedly periodically supplied.