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Class 124/65 - By plunger moving within cylinder


Subclass of Class 124 - Mechanical guns and projectors
Definition: Apparatus wherein the component is a piston having a periphery
No. of patents: 57
Last issue date: 06/23/2009


1    
NumberTitleIssue Date
7549416Launch vehicle
A launch vehicle includes an air pump, an injection valve, a connecting member, a trigger, and a projectile. Thus, the launch vehicle is operated on the ground and is also operated in a hand-held manner, thereby enhancing the amusement effect of the launch vehicle. ...
06/23/2009
7458371Toy soft dart launcher
A toy launcher for launching soft darts includes a housing; a motor in the housing; a dart magazine subassembly supported by the housing; a dart magazine rotation subassembly supported by the housing and operated by the motor; and a dart launcher assembly supported ...
12/02/2008
7410124Lightweight air vehicle and pneumatic launcher
A portable unmanned air vehicle and launcher system including a foldable unmanned air vehicle with a pressure tube; a launch gas reservoir for holding launch gas; a launch tube operatively connected to the launch gas reservoir and having a free end that is positione...
08/12/2008
7404398Semi-solid biodegradable slug propulsion device
A propulsion system consisting of a handle, trigger, receiver, hammer assembly, spring, fastener and plunger used for propelling small portions of semi-solid biodegradable objects such as a potato or apple. The combination of these parts provides a compact yet easy ...
07/29/2008
7334541Animal behavior shaping device
A device for shaping the behavior of an animal using a behavior marking and reward delivery system is provided. The compact behavior shaping device includes a battery, a trigger assembly, a receiver, a spring assembly, and a bore assembly, and is capable of storing ...
02/26/2008
7316565Action reciprocating structure of a toy gun
An action reciprocating structure of a toy gun an action part and a gear box of a loading mechanism, of a toy gun, wherein the action part is located at a top of the toy gun, the gear box is located at a bottom of the toy gun, and a reciprocating mechanism is locate...
01/08/2008
7297043Toy rocket launcher for multiple soft toy rockets
The toy rocket launcher includes an elongated launch tube and a pusher assembly which slides inside the launch tube in an air-tight relationship. A launch head assembly is rotatably mounted on a forward end of the launch tube and has a plurality of launch ports for ...
11/20/2007
7287526Toy projectile launcher with slidable outer cylinder and stationary inner compression member
The invention is directed to a toy projectile launcher for discharging a toy projectile attached thereto that may include a housing, a hollow outer cylinder, and a compression member that may be disposed on the housing, and slidably received within the hollow outer ...
10/30/2007
7267118Toy system with detachable weapons
A toy gun system for launching foam projectiles includes a primary gun having a pneumatic system, a launch station in flow communication with the pneumatic system, and first, second and third triggers, with the primary gun adapted to launch a projectile from the lau...
09/11/2007
7252079Safe air-pressure-launched toy rocket system and method of entertaining
A safe air-pressure-launched toy rocket system includes an air-pressure-launched toy rocket, a high pressure reservoir, a manual air pump connected to the reservoir and configured to enable a user to pump air into the reservoir to a high pressure, a valve connected ...
08/07/2007
7237545Compressed gas-powered projectile accelerator
A compressed gas-powered projectile accelerator is disclosed having an improved means of gas distribution, a valve locking mechanism, an improved combined bumper/seal, and self-contained modular components to improve efficiency, manufacturability, and reduce size an...
07/03/2007
7237488Fireworks bottle rocket launcher
A bottle rocket launcher comprises a long hollow tube barrel having an tube-axial sealing valve that has a rotary cylindrical or spherical valve member where the valve is attached at the breech end of the launcher barrel. The rocket launcher can be angled up to a ne...
07/03/2007
7191775Gun replica
A gun replica includes a grip portion, a gun butt portion detachably connected to the grip portion and a cylinder portion received in a barrel portion which is detachably connected to the grip portion and having a piston movably received inside the cylinder portion ...
03/20/2007
7156084Paint-ball sport gun with adjustable detent assembly
A detent body with a center bore is secured to the chamber wall of a paint-ball gun. A floating detent with a hollow core and a domed tip reciprocates within the center bore, allowing the tip to extend into the chamber to restrict movement of a paint ball. Axially a...
01/02/2007
7156085Toy gun
A toy gun includes a barrel having a bay for receiving a soft projectile loaded within a cartridge. A stock is connected pivotally to the barrel and encases a pneumatic cylinder and piston that is primed upon pivotally opening the stock and barrel. The pneumatic cyl...
01/02/2007
7114493Compressed gas pump for replica weapon
The invention concerns a pump for compressed gas for a replica weapon for the projection of balls, comprising: A cylinder (7) forming a gas retention compartment (72) and provided with a cylinder head (71) form...
10/03/2006
7077732High torque dual chamber turbine rotor for hand held or spindle mounted pneumatic tool
A high torque turbine rotor for a lightweight hand held tool for grinding and polishing having a rotor that includes two separate high pressure air chambers separated by a common housing wall, each air chamber having peripheral air expelling nozzles in a tangential ...
07/18/2006
6997770Air pressure projectile launcher
An air pressure projectile launcher toy comprising at lease one soft foam projectile and a telescopic tube assembly, adapted on one end for releasably securing a projectile, and capable of generating a high speed compressed air stream, which is buffered by a large a...
02/14/2006
6957646Pump
An air gun includes an air pump with a pumping piston mounted to reciprocate within a pump cylinder, which is mounted on the barrel of the gun to pivot about an axis transverse to the longitudinal axis of the barrel so that as the pump cylinder is moved back and for...
10/25/2005
6904901Air-powered projectile launcher
An air-powered projectile launcher. A double-acting piston within a pump tube is employed. A separate magazine tube is used to hold a plurality of projectiles. One end of the magazine tube feeds into a barrel assembly. The opposite end is closed by a one-way valve. ...
06/14/2005
6694963Touch trigger for electronic paintball gun
A paintball gun includes a touch-activated trigger system. The touch-activated trigger system preferably can cause the initiation of a firing operation of the paintball gun in response to contact with human flesh or a specialized glove....
02/24/2004
6553707Butt structure for pneumatic gun
A butt structure for a pneumatic gun includes a butt frame, a sleeve, a pneumatic control means and an inner tube. The sleeve has a front end with the outer peripheral surface forming a screw section and a lateral side forming a first slot. The pneumatic ...
04/29/2003
6408837Toy gun with magazine
An air compressed gun (10) is provided having a stock (11), a launch tube (12), a magazine (18), a manual air pump (14) and a loading tube (29). The magazine has an outer shell (25) and an indexing wheel mounted (26) mounted within the outer shell. The in...
06/25/2002
6371099Paint ball gun
A paint ball gun includes a gun barrel mounted on a gun handle. The gun barrel is formed with parallel propelling and recuperator chambers for respectively receiving a propelling member and a recuperating unit. A connecting rod interconnects the propellin...
04/16/2002
6343598Air gun
The present invention is an improved air gun. A novel lever system is employed whereby great pressure is obtained with a single pump. The length of the gun is minimized by an improved breach design. A simple breach lever with a seal is used to open the br...
02/05/2002
6250294Air compression type shooting device using adhesion type bullet
The present invention relates to an air compression type shooting device comprising: a fixed compression tube having a rubber ring for holding a bullet attached to the end thereof; a movable compression tube placed movably back and forth by the rear grip ...
06/26/2001
6220237Compressed air toy gun
An air compressed gun (10) is provided having a stock (11), a launch tube (12), a magazine (18) and a manual air pump (14). A loading tube (29) extends from the magazine to an opening (50) in the launch tube. A pressure chamber (15) is mounted within the ...
04/24/2001
6125834Free-piston cutting machine
A cutting machine includes a gun barrel for receiving a projectile. A compression tube is disposed in flow communication with the barrel and includes a piston therein. A reservoir is disposed in flow communication with the tube and receives a first gas un...
10/03/2000
6067975Pulsating toy gun having reciprocating barrels
A toy gun having a pair of reciprocating barrels for an alternating sequence of foam projectiles. The toy gun includes a body and a pair of barrels slidably mounted to the body and being adapted for movement along a longitudinal path between a rearward po...
05/30/2000
5988152Toy gun for sequentially firing a plurality of projectiles
A toy gun which fires at least two projectiles with a single cycle of an actuation device is disclosed. The gun includes a piston for developing a firing force and a magazine having at least two stations, each of which receives a projectile. The magazine ...
11/23/1999
5944006Toy gun with a selectively extendable barrel
A toy gun is disclosed. In one embodiment, the toy gun includes a housing, a barrel coupled to the housing for movement between retracted and extended positions, and a stock for movement between retracted and extended positions. In another embodiment, the...
08/31/1999
5819717Launcher for a toy projectile or similar launchable object
A launching chamber (20) with an exhaust orifice (32) covered by an obstruction member (34, 36) is in fluid-pressure dependent mechanical communication with an equilibrium chamber (40) such that when the two chambers are in fluid pressure equilibrium and ...
10/13/1998
5735256Ball launching device
A portable ball launching device is disclosed which includes a support stand positionable on a ground surface and an elongated launching tube mounted to the support stand in a generally horizontal disposition and from which projectiles are ejected. The la...
04/07/1998
5672809Method and apparatus for determining the performance of sports bats and similar equipment
A system for determining the performance of a first piece of sport equipment mounts the first piece of sports equipment such as a bat, golf club, tennis racket, or hockey stick having known characteristics of a Moment of Inertia, a weight, and a location ...
09/30/1997
5622159Toy weapon firing a shapeless semi-solid charge
A toy weapon firing a shapeless solid charge includes a reciprocating air pump and an extruder including a reservoir of the shapeless flowable solid material. A tubular nozzle member is mounted on the outlet end of the air pump and includes a transversely...
04/22/1997
5570676Method for converting a mechanical spring gun to a pneumatic spring gun and the resulting pneumatic spring gun
This invention is related to a kit to retrofit a mechanically spring-powered air gun to a gas spring-powered air gun, and to a self-contained gas piston for an air gun. The gas piston has a center latch which engages the center latch operated by the trigg...
11/05/1996
5538453Air pressure toy rocket launcher
A rocket launcher (18) is disclosed having a pressure chamber (74) coupled to a pump (66) through a pressure tube (67) and a release valve assembly (87) having a manifold (78) in fluid communication with the pressure chamber. The manifold has a plunger (7...
07/23/1996
5535729Projectile launcher
A projectile launcher includes a launcher body having a nonrotatable projectile magazine thereon, a piston and cylinder assembly in the launcher body, and a lever operated actuating mechanism on the launcher body. The actuating mechanism is operative for ...
07/16/1996
5429108Air-operated toy gun
An air-operated toy gun including a gun body, a triggering device, an air pump device, and a projectile. The air pump device is arranged inside the gun body and has an air cylinder. A blow tube that is connected to the air cylinder has an end extending ou...
07/04/1995
5381928Action toy water weapons
An action toy system including a capsule for containing water having an orifice and a plunger and a spring loaded mechanism for driving the water from the orifice. The action toy may be configured as a shotgun accepting a plurality of prefilled shell caps...
01/17/1995
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