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A simulation environment for the sport of boxing utilizing a robotic machine interface system which carries a person
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| Number | Title | Issue Date |
| 8037877 | Barrel for prohibiting paintball from dropping therefrom A barrel for prohibiting the paintball from dropping therefrom is provided by the present invention. The barrel includes a main body and an elastic ring. In which, a rear end of the main body is formed with a combining portion to combine with a paintball gun, and an... | 10/18/2011 |
| 7051900 | Gas operated particle feed apparatus The gas operated particle feed apparatus may feed particles to an outlet port. There may be a fixed member having a bottom with a particle aperture centrally disposed therein, an annular wall upstanding from the bottom and a plurality of gas apertures. The fixed mem... | 05/30/2006 |
| 4834058 | Pellet-firing toy gatling gun A pellet-firing toy gatling gun includes a rotatable multiple barrel assembly with a number of barrels arranged in a substantially circular array that is rotated such that each barrel passes a predetermined firing position one time during each rotation of... | 05/30/1989 |
| 4674470 | Gas gun with radially enlargeable O-ring A gas gun includes a chamber, a barrel, and a bullet charging member for introducing bullets into the chamber. An elastic O-ring is positioned between the barrel and the charging member. A stepped part is formed integrally with the chamber and permits rad... | 06/23/1987 |
| 4474308 | Tablet ejector A tablet or pill ejector is disclosed consisting of at least three detachably secured sections in the general shape of a pen. The front end of the device is provided with a hole communicating with axially aligned bores formed longitudinally in the section... | 10/02/1984 |
| 4424972 | Game apparatus A new game apparatus including a shooting device for shooting a ball and a target when the shooting device is loaded, balls are either shot automatically by the shooting device, or by a trigger operated by the user. The shooting device includes a pressuri... | 01/10/1984 |
| 4422433 | Projectile loader and detent assembly for guns A gas-powered gun includes a movable loader for moving projectiles into alignment with the barrel of the gun and a detent engageable with the loader for retaining a protectile in the firing position. The loader is provided with projectile ports for holdin... | 12/27/1983 |
| 4378169 | Resilient breech for microballistic printers A breech for the gun of a microballistic printer comprising a plurality of metal spheres positioned on the inside periphery of a cup, forming a central opening slightly smaller than the spherical projectiles used in the microballistic printer. The spheres... | 03/29/1983 |
| 4273095 | Pneumatically-operated ball projecting device A pneumatically-operated ball projecting device is provided wherein the muzzle velocity of the projected ball is determined by a pneumatically-operated detent in the barrel of the device. The detent holds the ball within the barrel until a predetermined a... | 06/16/1981 |
| 4227508 | Toy automatic pistol for ping pong balls A toy pistol for shooting ping pong balls having a frame with a barrel portion at the forward end and a handle extending downward from the rearward end, a magazine extending upward and rearward therefrom, a ram movable along longitudinal guide member in t... | 10/14/1980 |
| 4212284 | Pneumatically-operated ball projecting device A pneumatically-operated ball projecting device is provided wherein the muzzle velocity of the projected ball is determined by a pneumatically-operated detent in the barrel of the device. The detent holds the ball within the barrel until a predetermined a... | 07/15/1980 |
| 4207857 | Automatic ball server Automatic ball serving apparatus for serving, lobbing, volleying or smashing balls, such as tennis balls, for practice purposes wherein two cans or buckets are vertically stacked to form a lower generally cylindrical compressed air chamber and an upper ge... | 06/17/1980 |
| 4147152 | Projectile propulsion and control in a gas-powered gun A projectile is propelled from the gun when a valve that controls the gas storage chamber of the gun is momentarily unseated, thereby admitting a short burst or charge of gas into the space immediately behind the projectile. The barrel that confines and c... | 04/03/1979 |
| 4094294 | Ball projecting device A ball projecting device is provided for propelling a ball pneumatically, wherein the speed of the ball projected is, at least in part, determined by utilizing a pneumatically operated, preferably variable, detent in the barrel of the device. The detent h... | 06/13/1978 |
| 4091791 | Ball throwing machine A ball throwing machine having a flat, circular resilient disc with an off-center opening formed therein through which a ball to be thrown is forced at a predetermined velocity. By properly positioning the flat circular resilient disc, having the off-cent... | 05/30/1978 |
| 4054120 | Blow gun with mouthpiece indentations and projectile therefor prevented by indentations from movement therepast A blow gun and projectile combination for use in connection with targets which provide safety, enjoyment, and fun without being hazardous. The blow guns are accurate with the projectiles used, and the projectiles are extremely lightweight and do not have ... | 10/18/1977 |
| 4046130 | Target practice attachment for a firearm An attachment is provided for a firearm, such as a handgun, with the attachment being adapted for use during target practice. The attachment includes a cylinder which is releasably secured to the barrel of the firearm. A needle-like rod is contained withi... | 09/06/1977 |
| 4027646 | Propulsion device for tennis balls and like spherical objects A propulsion device is provided, designed especially for discharging tennis balls for practice purposes, at selected angles of inclination, and at a predetermined, selected velocity. Employed in the device is a distributor, which is disposed between a hop... | 06/07/1977 |
| 4021037 | Tennis practice machine Apparatus for collecting a projectile such as a tennis ball and launching it through the air is disclosed. The apparatus includes a conduit having an upstream end adapted to receive the projectile and a downstream end at which the projectile is expelled. ... | 05/03/1977 |
