"What can be more palpably absurd than the prospect held out of locomotives traveling twice as fast as stagecoaches?"
The Quarterly Review ; March edition, 1825
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| Number | Title | Issue Date |
| 7313881 | Pneumatic launcher system and method for operating same A pneumatic launcher has a plenum chamber section, an intermediate chamber section and a launch tube section connected together in a generally linear arrangement. The plenum chamber section defines a plenum chamber that has a closed end and an open end. The intermed... | 01/01/2008 |
| 7237545 | Compressed 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 |
| 7237544 | Pneumatic paintball gun and components An electro-pneumatic paintball gun preferably comprises a bolt assembly and a firing valve assembly that can be readily removed from the paintball gun. A bolt assembly preferably comprises a bolt sleeve. The bolt assembly is preferably removed by turning the bolt sl... | 07/03/2007 |
| 7185646 | Pneumatic assembly for a paintball gun A pneumatic assembly for a paintball gun preferably includes a bolt slidable between an open and a closed position. The bolt preferably operates as a firing valve by permitting compressed gas to flow through the bolt when the bolt is in the closed position but preve... | 03/06/2007 |
| 7175499 | Method for creating controlled pressure release in a pneumatic device The present invention provides a means for holding the components of the device, a means for storing gas under pressure which is maintained separately from the interior of the device until actuating, a means for releasing pressurized gas from the storage device into... | 02/13/2007 |
| 7121964 | Hockey puck face-off method and apparatus Methods and apparatuses for dropping a hockey puck (collectively the “system”). The system can facilitate or simulate hockey face-offs. Various embodiments of the system can be configured to provide convenience, portability, stability, and/or consistency for dro... | 10/17/2006 |
| 7111807 | Arrangement in catapult A catapult for launching an unmanned aircraft. The catapult comprises a first carriage, to which the aircraft (5) can be arranged. The catapult further comprises a launching cylinder (23) that is arranged to move the carriage (4) in the launch d... | 09/26/2006 |
| 7100593 | Pneumatically operated projectile launching device A pneumatically operated projectile launching device preferably comprises an electro-pneumatic flow distribution mechanism that receives and directs compressed gas to a pneumatic mechanism to open a bolt. ... | 09/05/2006 |
| 7044119 | Pneumatic assembly for a paintball gun A pneumatic assembly for a paintball gun preferably includes a bolt slidable between an open and a closed position. The bolt preferably provides a firing mechanism for the paintball gun by permitting compressed gas to flow through the bolt to fire the paintball gun ... | 05/16/2006 |
| 7040310 | Paintball projectile drop compensator A barrel adaptor for a paintball gun is provided to induce spin onto a paintball exiting the barrel of the paintball gun thereby providing selected projectile drop compensation. The adapter consists of a structure having an elongated aperture with a first end adapte... | 05/09/2006 |
| 6994328 | Methods and apparatus for localized delivery of scented aerosols The present invention provides systems and methods for delivering a controlled amount of scent to a target user. Such methods and systems will preferably provide carefully direct boluses or streams of scent(s) to a single or small group of individual(s) using a bolu... | 02/07/2006 |
| 6904901 | Air-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 |
| 6901923 | Pneumatic assembly for a paintball gun A pneumatic assembly preferably includes a compressed gas storage area, a firing valve, and a bolt arranged along substantially the same horizontal axis. A valve retainer, a compressed gas storage area housing, and a bolt assembly are preferably arranged to form a s... | 06/07/2005 |
| 6807959 | Device using a pneumatically-actuated carrier to eject projectiles along a trajectory A pneumatic device for firing projectiles with a charge of compressed air that accelerates a projectile carrier and the projectile through a barrel. The charge of compressed air is released into the barrel behind the projectile carrier and acts on the projectile car... | 10/26/2004 |
| 6684872 | Fixed contact point practicing machine A fixed point contact practicing machine which includes a vertically popping device being disposed on a base of the practicing machine, a penetrating hole being disposed on the lateral side of the hole on the top of a loading stand of the popping device, ... | 02/03/2004 |
| 6505577 | Bird launcher for training dogs, and method A bird launcher for training dogs having a support frame, a pivot arm mounted on the support frame for pivotal movement between a bird loading position and a bird launching position, a magazine carried by the support frame for holding a plurality of birds... | 01/14/2003 |
| 6371099 | Paint 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 |
| 6273078 | Powered bow having internal energy storage A powered bow for launching a projectile includes a stock, a grip, and a body portion. The body portion includes a groove for receiving and supporting the projectile, a carriage slidably mounted in the body portion, an energy storing device, an energy rel... | 08/14/2001 |
| 6170477 | Pneumatic spear gun A pneumatic spear gun (11) comprising a barrel (27) having an open end (33) through which a shaft (15) of a spear (13) can be received. A first piston (35) is slidingly and sealingly received in the barrel (27) for movement towards and away from a retract... | 01/09/2001 |
| 6112734 | Model gun with automatic bullet suppying mechanism A model gun with automatic bullet supplying mechanism comprises a pressure accumulating chamber from which a gas leading passage extends, a slider movable along a barrel structure, a pressure receiving portion fixed in the slider at the back of the barrel... | 09/05/2000 |
| 5980399 | Ball toss apparatus A ball toss apparatus for tossing a ball is disclosed. The ball toss apparatus includes an air compressor for compressing air. An air storage tank is connected to the air compressor for storing the compressed air. A pressure regulator is connected to the ... | 11/09/1999 |
| 5859359 | Curling stone comparator A simple pneumatic device for use in comparing and matching curling stones, and evaluating ice surfaces and sweeping broom efficiencies is described. A pneumatic cylinder, charged by means of a compressed gas, is placed against the backboard of a rink and... | 01/12/1999 |
| 5553599 | Handbill assembly and delivery system for handbills A handbill is rolled to form a coil that is retained within a collapsible cup as it is ejected from an elongated tube and delivered to its destination. The collapsible cup has a cylindrical wall and a bottom member at one end that does not contribute to t... | 09/10/1996 |
| 5529300 | Self-powered extensible projectile launching police baton A baton-like device is provided with a hollow telescopic ram or bolt member which can be driven to extend out of a barrel or trunk portion of the baton. The driving force is produced by a source of gas under pressure, which in preferred embodiments, takes... | 06/25/1996 |
| 5337726 | Hand held pneumatic powered ball thrower A pneumatic driven ball thrower employing a pressurized gas to move a piston and connecting rod against a ball at rapid velocity to move the ball a pre-determined velocity. The pressurized gas ram at a pre-determined amount of pressurized gas in a very br... | 08/16/1994 |
| 5230324 | Gas powered weapon having shearable diaphragm member A weapon system which utilizes pressurized gas to propel a projectile from a barrel and which utilizes a shearable diaphragm member to permit the pressure of gas in the weapon to increase to a selected point before the gas propels the projectile from the ... | 07/27/1993 |
| 4889513 | Toy race car launcher A toy race car launcher is disclosed comprising a launcher body, a car support track on the launcher body, and a car disabling mechanism on the car support track for positioning the car in rest position at a car launching position. A car launching mechani... | 12/26/1989 |
| 4784107 | Ball pitching system A ball pitching system comprising a pneumatically actuated pitching arm and automatic ball feed system. The pneumatic actuation is provided by an automatic pressure sensor valve. Compressed air is provided by a DC compressor affixed to the frame of the pi... | 11/15/1988 |
| 4625619 | Device for separation and launch of a body with linear and rotational velocity A launching structure comprising a ram driven by a piston in a cylinder. A yrotechnic charge initiates a gas expansion underneath the piston and the expanding gases drive the ram. The ram has a helical groove engaged by a cam pin in the cylinder wall to im... | 12/02/1986 |
| 4605230 | Toy vehicle game with launcher and return means A toy car collision set (10) in which children attempt to crash nonsteerable unpowered cars (28, 30) at an intersection (12) when travelling in either the forward or reverse directions. The set includes at least two sets of tracks (14, 16, 22, 24) connect... | 08/12/1986 |
| 4280248 | Compressed-air pistol of the humane killer type The pistol is so designed that the valve for controlling the forward stroke of the piston is applied directly against the open rear cylinder end which is surrounded by an annular chamber, the chamber being also open at the rear end and in communication wi... | 07/28/1981 |
| 4252285 | Dynamic seal for slotted cylinder An improved dynamic seal for the longitudinal slot in a pressurized cylin of an aircraft catapult system having a shuttle adapted to travel at high speed through the slot. The seal includes a flexible, elongated sealing strip extended along the slot in s... | 02/24/1981 |
| 4240599 | Vehicle launching device A pneumatic system for launching aircraft wherein an elongated frame having pressurized interior chamber is volumetrically related and communicatively connected to a longitudinally-slotted cylinder supported within the frame so that expansion of air into ... | 12/23/1980 |
| 4213268 | Multi-stage vehicle toy A multi-stage toy vehicle includes a front portion having wheel means supporting the vehicle for rolling movement and a separate, rear portion initially nested with the front portion and also having wheels for supporting the vehicle. A detachable connecto... | 07/22/1980 |
| 4169453 | Compound slingshot A compound slingshot comprises a longitudinally extending support shaped for holding by a user, an elongate resilient member having one end attached to the support, and a cam rotatably mounted on the support and having an eccentric marginal surface. A fle... | 10/02/1979 |
| 4169456 | Short limb archery bow An archery bow provided with a pair of limbs which are relatively short in length in consideration of the length of draw provided. Pulleys are attached to the limbs and a block and tackle type of arrangement is employed to multiply the ratio of bow string... | 10/02/1979 |
| 4086902 | Toy projectile launching apparatuses An apparatus for use in launching toy projectiles which comprises a piston or bellows having one side pneumatically connected to an operating mechanism and its opposite side arranged so as to be capable of launching a projectile from the apparatus when mo... | 05/02/1978 |
| 4079901 | Launching apparatus for flying device The shuttle for launching an RPV is connected to a launching tube by a motion and high speed-multiplying pulley and cable assembly. The telescopic launching tube assembly is connected between and parallel to a pair of elongated arms of a sealed U-shaped t... | 03/21/1978 |
| 4041927 | Archery bow with pivoted bow limbs having rotational synchronizer and adjustable draw force mechanisms An archery bow which uses a single adjustable load spring instead of the usual pair of flexible bow limbs as the resilient energy medium. Bow limbs which are relatively rigid are pivoted on the handle section and are coupled together and synchronized in t... | 08/16/1977 |
| 4019480 | Pneumatically operated spear gun This device is a spear gun for underwater fishing and is operated by a reservoir of compressed air. A reservoir is maintained in an elongate gun barrel within which a slidable piston is located between the pneumatic valve end the other or spear discharge ... | 04/26/1977 |