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...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!

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Class 244/3.24 - Externally mounted stabilizing appendage (e.g., fin)


Subclass of Class 244 - Aeronautics and astronautics
Definition: Subject matter where the stabilizing means is an external
No. of patents: 208
Last issue date: 09/08/2009


1            
NumberTitleIssue Date
7584922Spin-stabilized correctible-trajectory artillery shell
A spin-stabilized correctible-trajectory artillery shell has a generator in the rotation-decoupled engagement region between a canard guidance unit and its munition body. The generator can be switched over to avoid load fluctuations between an adjusting motor and a ...
09/08/2009
7431237Guided projectile with power and control mechanism
A projectile has the ability to generate and provide power to components located in two sections of the projectile which have relative rotation to each other. The projectile has a pair of generators allowing the powering of components in two sections. The projectile...
10/07/2008
7429017Ejectable aerodynamic stability and control
The disclosed system and method for improving aerodynamic stability of aeronautic vehicles generally includes an ejectable grid fin adapted for releasable engagement with aeronautic vehicles. The grid fin is generally configured to optimize the flight performance ch...
09/30/2008
7410120Control surface assemblies with torque tube base
Control surface assemblies having a torque tube base are disclosed. In one embodiment, a control surface assembly includes a control surface portion and a base portion. The base portion has a hollow, shell-like base portion coupled to a first end portion of the cont...
08/12/2008
7370584Second environment sensing in smart bombs
A safety and arming apparatus for arming a fuze of a smart weapon comprise a release sensor and a verification maneuver sensor in cooperative electronic communication with each other, such that when the release sensor senses that the weapon has been released and the...
05/13/2008
7354017Projectile trajectory control system
Trajectory is controlled by a control system having fins that de-spin a section of the control system relative to a projectile or missile. The control system also includes aero-surfaces that produce a lift when brought to rotation speed of about 0 Hz relative to a r...
04/08/2008
7347147Braking device for a trajectory-correctable spin-stabilized artillery projectile
In order to move a textile braking element (16) which is in the form of an annular disk and which is deployed radially under the effect of centrifugal force rapidly into a contour which is stable in respect of shape and which is always properly defined even u...
03/25/2008
7339537Capacitive drive antenna and an air vehicle so equipped
Disclosed are antenna embodiments and air vehicles so equipped that include a first antenna component, and a second antenna component, separated by a free space gap, where the antenna embodiments are adapted to capacitively couple the first antenna component and the...
03/04/2008
7338010Air-launchable aircraft and method of use
An air-launched aircraft includes deployable wings, elevons, and vertical fins that deploy from a fuselage during flight. The aircraft may include a control system for operating the elevons, a communication system, and batteries for powering the systems. In addition...
03/04/2008
7337743High lift authority marine control system
A control surface system for a marine vehicle is provided. The control surface system includes a control member having at least two control portions fixedly connected at a predetermined spacing from each other. The control portions each have opposed surfaces, with t...
03/04/2008
7316370Missile fin locking method and assembly
A fin locking mechanism for locking in place, and subsequently unlocking fins for installation on a missile having a plurality of otherwise moveable fins. Where the fins are mounted to a crank arm, there is a locking detent, with a locking notch, integral to the cra...
01/08/2008
7267298Method for correcting the flight path of ballistically fired spin-stabilised artillery ammunition
At very low apparatus expenditure, namely with a canard system which is adjustable in a single-axis mode, it is possible to achieve a spatially two-dimensional trajectory correction in respect of the artillery ammunition which in itself is unguided, with the additio...
09/11/2007
7262394Mortar shell ring tail and associated method
There is provided a ring tail for a ballistic projectile and an associated method that facilitate maneuverability of the ballistic projectile. The ring tail comprises a ring member having a generally cylindrical wall and at least one rod joined to an aft section of ...
08/28/2007
7255044Projectile having circumferential members for varying a base cone angle of the projectile as a function of speed
A method for enhancing an aerodynamic performance of an unmanned projectile. The method including at least one of the following: (a) morphing a cross-sectional shape of the projectile after launch thereof; (b) morphing a longitudinal shape of the projectile after la...
08/14/2007
7255304Tandem motor actuator
The invention relates to an actuator system for a projectile having a first and second pair of opposing steering fins disposed in a transverse plane of the projectile. The first pair of opposing steering fins includes a first fin and second fin. The second pair of o...
08/14/2007
7246539Apparatus for actuating a control surface
An apparatus for actuating a control surface includes a first spur gear; a first drive assembly engaged with the first spur gear; a second spur gear; and a second drive assembly engaged with the second spur gear. The apparatus further includes a gear assembly engage...
07/24/2007
7243879Lattice fin for missiles or other fluid-born bodies and method for producing same
A method for the manufacture of lattice fins for fluid-born bodies is provided. In one embodiment, lattice fins having a metallic cell structure are manufactured from strips or sheets of metal. In another embodiment, composite lattice fins are manufactured from a lo...
07/17/2007
7231874Power supplies for projectiles and other devices
A method for generating power in a device is provided. The method includes: generating power from an inherent characteristic of the device; and supplying the generated power to at least one power consuming element associated with the device. Preferably, the inherent...
06/19/2007
7226015Aircraft and missile forebody flow control device and method of controlling flow
The present invention relates to a forebody flow control system and more particularly to aircraft or missile flow control system for enhanced maneuverability and stabilization at high angles of attack. The present invention further relates to a method of operating t...
06/05/2007
7222573Aerodynamic air gun projectile
A projectile for an air arm is integrally formed from a single piece of dense malleable material formed as a body of revolution about a longitudinal axis having a head portion dimensioned for free sliding in the bore of an air arm and a skirt-like portion of frusto-...
05/29/2007
7219579Apparatus and method for actuating control surfaces
An apparatus for actuating a control surface includes a first spur gear, a first drive assembly engaged with the first spur gear, a second spur gear, a second drive assembly engaged with the second spur gear, and a gear assembly capable of being coupled with the con...
05/22/2007
7212938Method of using a self-locking travel pattern to achieve calibration of remote sensors using conventionally collected data
The present invention provides a method to calibrate an on-board remote sensing system using a self-locking travel pattern and target remote sensing data. The self-locking travel pattern includes a number of parallel travel lines having overlapping swath widths betw...
05/01/2007
7207518Cartridge with fin deployment mechanism
A projectile for a weapon comprises an axially movable firing pin, an initiator actuable when impinged by the firing pin, a plurality of external peripheral fins movable from a radially inward position to a radially outward position when the projectile leaves the we...
04/24/2007
7195197Techniques for controlling a fin with unlimited adjustment and no backlash
A fin control assembly includes a housing, an arm configured to couple to a fin and to steer the fin relative to the housing, and a locking member disposed within the housing. The locking member is configured to (i) lock the arm in a substantially fixed state to inh...
03/27/2007
7191851Unattended ground sensor assembly
There is provided a ground sensor assembly adapted for deployment from air to a selected ground location. The ground sensor assembly comprises an aerially deployable sensor housing which has upper and lower housing ends defining a longitudinally elongated aperture t...
03/20/2007
7175131Deployment and drive device for projectile control surfaces
A deployment and orientation device for projectile control surfaces, the deployment being carried out by means of springs between a loading position in which the control surfaces are folded inside the projectile and held against the action of the spring means using ...
02/13/2007
7165742Aircraft spiralling mechanism - B
An aircraft 1 with a spiral inducing assembly 2 which is capable of inducing the aircraft to travel in a continuous spiralling motion without the aircraft rolling. Two fins 6 and 17 are attached to a tube 3 that is able to rotate a...
01/23/2007
71631762-D projectile trajectory correction system and method
A 2-D correction system uses intermittent deployment of aerodynamic surfaces to control a spin or fin stabilized projectile in flight; correcting both crossrange and downrange impact errors. Intermittent surface deployment develops rotational moments, which create b...
01/16/2007
7164989Warhead fuzing system
A fuzing system and method for arming a fuzing system of a projectile using global positioning system (GPS) information from a GPS satellite system. The system determines when two independent verifications have been met before arming the system. The first verificati...
01/16/2007
7150234Finless training projectile with improved flight stability over an extended range
A finless cone-nosed, ogival-nosed, or combination ogive-cone nosed training projectile is statically stable, yet has adequate spin rate to compensate for aerodynamic or mass asymmetries. In addition, the training projectile can be fired from smooth bore or rifled c...
12/19/2006
7125058Locking device with solenoid release pin
A locking device with a solenoid release actuator includes a housing, a plunger axially slidable within the housing, a biasing member for biasing the plunger in a first direction, one or more locking balls, and the locking balls disposed in an aperture in the housin...
10/24/2006
7107910Penetrator and method of using same
A penetrator includes a fore body comprising a pin and having a center of aerodynamic pressure forward of a center of gravity and a stabilizing portion comprising a material of lower density than that of the fore body and a plurality of outwardly extending fins for ...
09/19/2006
7104497Method of synchronizing fin fold-out on a fin-stabilized artillery shell, and an artillery shell designed in accordance therewith
This disclosure relates to a method of limiting the yawing motion on the trajectory of an artillery shell during the firing phase using a sliding driving band and completely folded-in guide fins. The shell is converted as soon as possible outside the mouth of the ba...
09/12/2006
7097132Apparatus and method for selectivity locking a fin assembly
A fin assembly includes a fin base, a fin tip rotatably connected with the fin base, and means for selectively locking the fin tip in a chosen configuration. A vehicle includes a body defining a cavity therein and defining an opening through a wall thereof, a fin co...
08/29/2006
7093791Aircraft spiralling mechanism—c
An aircraft 1 with a spiral inducing assembly 2 which is capable of inducing the aircraft to travel in a continuous spiralling motion without the aircraft rolling. Two fins 6 and 17 are attached to a tube 3a that is able to ...
08/22/2006
7083140Full-bore artillery projectile fin development device and method
A method and structure for a full-bore artillery projectile fin deployment device comprising a projectile stabilization fin comprising an aperture and a movable pawl; a rod comprising a head portion and a shaft portion terminating with a beveled tip configured for e...
08/01/2006
7047886Method and apparatus for removing obstructions in the mines
The present invention is directed to a system for fragmenting rock obstacles and obstructions in mines. The system uses a projectile having a flat or concave nose and a detonating device that has a safety pin to prevent a striker from prematurely igniting the primer...
05/23/2006
7048276Flying device for IR flying target representation
A flying device for IR flying target representation with at least one infrared radiator (2). An infrared radiator (2) is arranged inside the exhaust gas flow of a convected heat-generating unit so that the exhaust gas stream completely encloses the sur...
05/23/2006
7040210Apparatus and method for restraining and releasing a control surface
An apparatus includes a restraint for restraining a first control surface in a stowed configuration and a severing mechanism for parting the restraint to allow the first control surface to move into an operational configuration. A vehicle includes a body, a first co...
05/09/2006
7036419Adapter device for projectile fired from a launching tube
An adapter device (10) is used in order to allow a projectile (12), such as missile, to be launched from a standard launching tube (14), without having to modify the latter. This device comprises an adapter tube (24) in which the projecti...
05/02/2006
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