| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 446036000 | Including rotary wing (e.g., helicopter, flying propeller, autogyro, etc.) | 43 |
| 20090075551 | TOY HELICOPTER HAVING A STABILIZING BUMPER - A toy helicopter has a fuselage having a front end a rear end and two lateral sides. A main motor is supported from the fuselage. A main rotor is operably connected to the motor and has at least one rotor blade that rotates about a center axis generally laterally centered with respect to the fuselage. The at least one rotor blade is configured and positioned to provide lift and has a rotational path having a maximum radius. A bumper is fixedly connected to the fuselage, is spaced entirely axially downwardly from the at least one rotor blade and extends radially outwardly from and at least partially around the fuselage. At least a portion of the bumper has a maximum radial dimension from the center axis at least as great as the maximum radius of the rotational path of the at least one rotor blade. | 03-19-2009 |
| 20090215355 | Acrobatic rotary-wing toy helicopter - A rotary-wing toy helicopter generally comprising a transverse shaft, a plane body fixedly attached to the transverse shaft and a rotor assembly rotatably attached to the transverse shaft. The rotor assembly generally comprises a primary drive connected to a drive shaft for driving at least one set of lifting blades and a secondary drive connected to the transverse shaft for driving rotation of the transverse shaft and the plane body clockwise or counter-clockwise around the axis of transverse shaft. | 08-27-2009 |
| 20090325455 | Airscrew for Toy Helicopter - The present invention relates to an airscrew for a toy helicopter, comprising a rotating shaft directly connectable to a driving mechanism of the helicopter, two airscrew blades, a balance mechanism, said two airscrew blades respectively hinged to the rotating shaft so that a blade angle of the airscrew blade is able to change during the flight. In an embodiment, a middle portion of the balance mechanism is hinged to the rotating shaft, and each of two airscrew blades has an extending member, the balance mechanism is contacted with the extending member during the swing motion, such that the blade angle of the airscrew blade is changed. The present invention has a compact structure and a stable balancing capability, therefore, the disadvantages such as easy breakage of the link is avoided and the package volume is also reduced. The connecting member between the airscrew blades as well as the balance rod and the rotating shaft is thicker and has a bigger intensity, so it is not easy to be broken due to the falling of the helicopter, therefore, it can be used in a flyable toy or a prototype aircraft, and a vertical lift aerocraft. | 12-31-2009 |
| 20100120321 | VERTICAL TAKE OFF PLANE - In one embodiment of the present invention, a vertical take off aircraft is provided with an airframe having an aft section freely pivotally connected to the bow section. The airframe is substantially planar when the aft section is pivotally aligned with the bow section. A propeller system and a pair of wings are secured to the bow section of the airframe. When the bow section is pivoted to a vertical position and the aircraft is placed on a surface, the propeller system when activated will vertically lift the aircraft off of the surface. Furthermore, when the aircraft vertically lifts off of the surface, the aft section freely pivots to form the substantially planar airframe which creates larger lift forces in a horizontal direction than in a vertical direction causing the aircraft to fly in a more horizontal direction, whereby the aircraft automatically switches from a vertical take off to horizontal flight. | 05-13-2010 |
| 20100197191 | LAUNCHABLE DOLLS - A set includes a launchable doll having a body portion and wings fixed to the body portion between a torso portion and a waist portion of the body portion to impart aerodynamic lift to the doll when the doll is rotated and the legs are fixed into a substantially vertical orientation when the wings are fixed to the body portion; and a launcher including a base, a tube that contains the legs and a mechanism that rotates the tube and the doll with respect to the base. | 08-05-2010 |
| 20100210169 | Model Helicopter Control and Receiving Means - A control system for a remote-controlled device comprising at least one receiver configured to receive a plurality of control channel signals and an operational control unit. The operational control unit comprises at least one receiver input connected to the receiver via a high speed digital link. The input is configured to receive a sequence of digital packets of information from the receiver. This input may contain information relating to the plurality of control channels including at least one user input signal. The operational control unit also includes a sensor input for receiving signals from a sensor located on the device. The operational control unit includes a processor capable of processing the data. The operational control unit will include at least one output for transmitting an output signal to a mechanism for controlling operation of the device. This device may be specifically designed to work with remote-controlled helicopters. | 08-19-2010 |
| 20100323579 | FOUR-CHANNEL TRANSVERSE DUAL ROTOR HELICOPTER - The present invention provides a four-channel transverse dual rotor helicopter, comprising a frame with a battery encapsulated inside it, an empennage breadthwise located at the afterbody of the frame, an aircraft wheel assembly fixed at the bottom of the frame, wherein, two cantilever bars of left and right are connected to the frame, breadthwise located at the two sides of the frame, and capable of rotating around axes of themselves; the left and right cantilever bars are separately via a group of linkage mechanism connected to left and right steering engines located at the frame for driving the left and right cantilever bars to rotate around axes of themselves; the ends of the left and right cantilever bars are separately provided with a group of rotor wing mechanism; the motors in the two groups of rotor wing mechanism, and the left and right steering engines are connected to a signal receiver located in the frame; the motors are variable speed motors. The present invention is easy to control, so as to make the beginner without controlling foundation also capable of controlling the helicopter to fly stably. At the same time, the simplified mechanical structure of the helicopter reduces the production cost, also greatly improves the performance stability of the helicopter. | 12-23-2010 |
| 20120231695 | TRANSMISSION MECHANISM FOR REMOTE-CONTROLLED TOY HELICOPTER - A transmission mechanism includes an upper holder block and a lower holder block respectively coupled to the shaft of the rotor system of a remote-controlled toy helicopter at different elevations, a stabilizer mounted at the upper holder block, two second links bilaterally coupled between the upper holder block and the lower holder block, a helicopter motor, and a first link coupled between the lower holder block and the output shaft of the helicopter motor for enabling the first link, the lower holder block, the second links, the upper holder block and the stabilizer to be relatively moved upon rotation of the motor. | 09-13-2012 |
| 20140349541 | AMUSEMENT DEVICE - An amusement device has an elongate body that includes a front portion and a rear portion. An air-actuated sound emitting device is arranged on the elongate body and is configured to generate a whistling-type sound when the device travels through the air. A flight stabiliser is arranged on a rear portion of the body. The flight stabiliser includes a pair of vanes that extend from the rear portion of the body and are configured such that the device spins through the air while the device descends after having reached an apex after launch. The elongate body is configured so that a user can launch the device at a speed sufficient for the sound emitting device to generate the whistling-type sound. | 11-27-2014 |
| 20140378021 | Flying Toy Doll Assembly - A flying toy figure is provided which may include a doll body extending in a longitudinal direction and may have a longitudinal axis which is substantially vertical. A first propeller assembly may be mounted to rotate in a first direction about the longitudinal axis of the doll body and may be positioned longitudinally along a mid-portion of the doll body. A second propeller assembly mechanically linked to the first propeller assembly may be mounted to rotate in a second direction about the longitudinal axis of the doll body and is positioned below the first propeller assembly. A rechargeable power source may be in communication with a motor to drive the first and second propeller assemblies. One or more sensors may be included with the figure to detect a surface external to the doll body and may be configured to provide a surface detection signal. A controller may be in communication with the motor and one or more sensors to adjust a speed of the motor in response to receiving the surface detection signal from the switch. Adjusting the motor speed adjusts a counter-rotational speed of the first and second propeller assemblies. | 12-25-2014 |
| 446037000 | And means to rotate wing | 30 |
| 20080207079 | Transformable toy vehicle - A remotely controlled transformable toy vehicle that is remotely transformable from a standing position to a flying position, where the toy performs like a helicopter and also to a driving position, where the toy performs like a wheeled vehicle. Transformations are carried out on-the-fly by remote control and the toy vehicle has the ability to maintain proper center of gravity for stable flight, takeoff and landing. | 08-28-2008 |
| 20080220687 | Wireless remote-control model - A wireless remote-control model includes a safety management portion having a central control device, and the safety management portion includes a determination portion, such that when a battery is connected correctly, a first mode buzz signal instruction is sent to a buzzer control portion for indicating that the battery is connected. If the battery is connected correctly and a start pushbutton is pressed during an examination period, or a second mode buzz signal instruction is sent to the buzzer control portion for indicating that the operation is started, or a third mode buzz signal instruction is sent to the buzzer control portion for indicating that a power motor is at a driving idle state when the examination determines a normal condition, so as to assure the safety of an operator (or a user) as well as the safety of the wireless remote-control model itself. | 09-11-2008 |
| 20080299867 | FLYING OBJECT WITH TANDEM ROTORS - A flying object with tandem rotors, in particular a helicopter, has a main rotor and a tandem rotor each with propeller blades which are driven by a rotor shaft and which is hinge-mounted to this rotor shaft. The angle between the surface of rotation of the main rotor and the rotor shaft may vary. A swinging manner on an oscillatory shaft is essentially transverse to the rotor shaft of the main rotor and is directed transversally to the longitudinal axis of the vanes. The main rotor and the tandem rotor each have an auxiliary rotor connected respectively to the main rotor and tandem rotor by a mechanical link. The swinging motions of the auxiliary rotor controls the angle of incidence (A) of at least one of the propeller blades of the main rotor and tandem rotor. There is an acute angle of displacement when viewing the propeller blades relative to the vanes in a direction perpendicular to their respective rotational planes. | 12-04-2008 |
| 20090047861 | REMOTE CONTROLLED TOY HELICOPTER - A remote-controlled toy helicopter comprises a body; a motor in the helicopter, a battery for powering the motor, and a receiver for communicating signals between the motor and a separate remote controller. A main rotor with blades is driven by a rotor shaft and causing a first lift force developed by the main rotor when the helicopter is airborne. A system permits movement of the helicopter on the ground, and these can be wheels. The helicopter travels on a floor or ground surface when the main rotor develops a second degree of lift force. The helicopter includes a system to effect motion in a horizontal dimension thereby to direct the desired direction. The control includes an actuator for engaging with an assembly depending from the rotor, the inter-engagement of the actuator and assembly effecting a change in the angle of incidence of at least the one blade of the rotor. The system includes a rotor, preferably complemented with a stabilizer rotor. | 02-19-2009 |
| 20090104836 | REMOTE CONTROLLED TOY HELICOPTER - A remote-controlled toy helicopter comprises a body; a motor in the helicopter, a battery for powering the motor, and a receiver for communicating signals between the motor and a separate remote controller. A main rotor with blades is driven by a rotor shaft and causing a first lift force developed by the main rotor when the helicopter is airborne. A system permits movement of the helicopter on the ground, and these can be wheels. The helicopter travels on a floor or ground surface when the main rotor develops a second degree of lift force. The helicopter includes a system to effect motion in a horizontal dimension thereby to direct the desired direction. The control includes an actuator for engaging with an assembly depending from the rotor, the inter-engagement of the actuator and assembly effecting a change in the angle of incidence of at least the one blade of the rotor. The system includes a rotor, preferably complemented with a stabilizer rotor. | 04-23-2009 |
| 20090117812 | FLYING OBJECT WITH TANDEM ROTORS - A flying object with tandem rotors, in particular a helicopter, has a main rotor and a tandem rotor each with propeller blades which are driven by a rotor shaft and which is hinge-mounted to this rotor shaft. The angle between the surface of rotation of the main rotor and the rotor shaft may vary. A swinging manner on an oscillatory shaft is essentially transverse to the rotor shaft of the main rotor and is directed transversally to the longitudinal axis of the vanes. The main rotor and the tandem rotor each have an auxiliary rotor connected respectively to the main rotor and tandem rotor by a mechanical link. The swinging motions of the auxiliary rotor controls the angle of incidence (A) of at least one of the propeller blades of the main rotor and tandem rotor. There is an acute angle of displacement when viewing the propeller blades relative to the vanes in a direction perpendicular to their respective rotational planes. | 05-07-2009 |
| 20090130943 | Launchable Doll - A launchable doll having arms, legs and wings fixed to the doll at a waist level thereof which impart aerodynamic lift to the doll when the doll is rotated A set including the launchable doll and a launcher including a base, a tube that contains the legs and a mechanism that rotates the tube and the doll with respect to the base. | 05-21-2009 |
| 20090163110 | REMOTE CONTROLLED TOY HELICOPTER - A remote-controlled toy helicopter comprises a body; a motor in the helicopter, a battery for powering the motor, and a receiver for communicating signals between the motor and a separate remote controller. A main rotor with blades is driven by a rotor shaft and causing a first lift force developed by the main rotor when the helicopter is airborne. A system permits movement of the helicopter on the ground, and these can be wheels. The helicopter travels on a floor or ground surface when the main rotor develops a second degree of lift force. The helicopter includes a system to effect motion in a horizontal dimension thereby to direct the desired direction. The control includes an actuator for engaging with an assembly depending from the rotor, the inter-engagement of the actuator and assembly effecting a change in the angle of incidence of at least the one blade of the rotor. The system includes a rotor, preferably complemented with a stabilizer rotor. | 06-25-2009 |
| 20100003886 | MODEL HELICOPTER - A toy helicopter with four electric motors having a main body, at least one battery, and front and rear coaxial rotor assemblies. The front coaxial rotor assembly is made up of front upper and lower rotors and a front stabilizing bar operatively connected to the front upper rotor. The rear coaxial rotor assembly is made up of rear lower and upper rotors and a rear stabilizing bar operatively connected to the rear upper rotor. The helicopter includes a means for concentrically rotating the front lower and upper rotors in opposite directions and a means for concentrically rotating the rear lower and upper rotors in opposite directions. The means for concentrically rotating the front lower and upper rotors in opposite directions includes first and second front electric motors, and the means for concentrically rotating the rear lower and upper rotors in opposite directions includes first and second rear electric motors. | 01-07-2010 |
| 20100022157 | HELICOPTER - A helicopter includes a system to effect motion in a horizontal dimension thereby to direct the desired direction. The rotor blades are driven by a rotor shaft and which is hinge mounted on this rotor shaft, such that the angle between the plane of rotation of the main rotor and the rotor shaft may vary. A control for moving the angle of incidence of at least one blade of the rotor cyclically along at least part of a 360-degree rotation path around the rotor shaft. This causes a variation in a lift force of the blade along at least part of the rotations path. This causes the body to be urged in a relatively horizontal direction from a relative position of rest. The control includes an actuator for engaging with an assembly depending from the rotor, the inter-engagement of the actuator and assembly effecting a change in the angle of incidence of at least the one blade of the rotor. The system includes a rotor, preferably complemented with a stabilizer rotor. There is a control ring attached to the main rotor, and an actuator device connected with the helicopter body structure. The control ring is generally centered around the vertical rotor axis, and moves with the rotor when tilted around the feather axis. | 01-28-2010 |
| 20100124865 | FLYING TOY - A flying toy comprises a first wing and a second wing attached to and extending from opposite sides of a fuselage. There is a first propulsion unit, having a first motor and a first propeller system rotated by the first motor, mounted with the first wing; and a second propulsion unit, having a second motor and a second propeller system rotated by the second motor, mounted with the second wing. Each propulsion system has main blades and auxiliary blades which interact with each other. Each of two wings can be angled relative to horizontal independently. The toy can operate as a plane or helicopter. | 05-20-2010 |
| 20100130093 | Helicopter with main and auxiliary rotors - A remote control toy helicopter has a main rotor and an auxiliary rotor both driven by a rotor shaft. The auxiliary rotor has elongated elements at an acute angle relative to blades of the main rotor. A control system is provided that includes an actuator for engaging with a control assembly depending from the auxiliary rotor. The inter-engagement of the actuator and the control assembly effects change in the angle of incidence of the elongated elements of the auxiliary rotor. The interaction occurs when the assembly engages with the actuator by a depending arm associated with the assembly. | 05-27-2010 |
| 20100178836 | SINGLE ROTOR MODEL HELICOPTER WITH IMPROVED STABILITY BEHAVIOR - A single rotor model helicopter is provided, comprising a spindle, a rotor clamp disposed on the spindle, a pair of rotor blades disposed on the rotor clamp, and a pair of hybrid control rocker arms. The helicopter further includes an operating system and a balancing system. The pair of hybrid control rocker arms are disposed on both sides of the rotor clamp respectively and rotatably connected to a pitch control rocker arm through each axial hole located on a center of each hybrid control rocker arm, so as to control attack angles of the rotor blades. Each hybrid control rocker arm has two control points. A first pair of control points diagonally opposite each other in the pair of hybrid control rocker arms are controlled by a cyclic torque transmitted from the operating system, and a second pair of control points diagonally opposite each other are controlled by the balancing system. Furthermore, the second pair of control points controlled by the balancing system and the first pair of control points controlled by a swash plate can move relative to each other as mutual fulcrums. The single rotor model helicopter of the present application can separately adjust operating sensitivity and stability, thereby finding an optimum combination of dynamic stability and maneuverability of the model helicopter. | 07-15-2010 |
| 20110065351 | Transformable Toy Vehicle - A remote controlled transformable toy vehicle that is remotely transformable from a standing position to a flying position, where the toy performs like a helicopter and also to a driving position, where the toy performs like a wheeled vehicle. Transformations are carried out on-the-fly by remote control and the toy vehicle has the ability to maintain proper center of gravity for stable flight, takeoff and landing. Also provided is a remotely controlled toy vehicle that is driven by a rotating blade system so as to both drive over the ground and hover or fly in the air. | 03-17-2011 |
| 20110143628 | DIRECTIONALLY CONTROLLABLE FLYING VEHICLE AND A PROPELLER MECHANISM FOR ACCOMPLISHING THE SAME - A flying vehicle in accordance to an embodiment of the present invention includes a propeller control mechanism for flying the vehicle. The propeller control mechanism includes a propeller having a center shaft for connecting to the drive shaft; first and second propeller blades extending from the center shaft; and a control mechanism including a first linkage connecting the center shaft to the first propeller blade and a second linkage connecting the center shaft to a region defined on the propeller, wherein a change in a driving torque of the drive shaft causes the first linkage and the second linkage to change the pitch and height of the propeller blades while substantially unchanging the tip path plane of the propeller blades. | 06-16-2011 |
| 20120088427 | Toy Helicopter - A toy helicopter with a functioning rotor blade and winch is disclosed. In one embodiment, a toy helicopter includes a rotor blade and winch coupled to a drive mechanism housed in the helicopter. The drive mechanism is coupled to a drive shaft, and is operated by an actuator with a winch attached thereto. Pulling the winch away from the helicopter body loads or winds up the drive mechanism, and releasing the winch allows the drive mechanism to rotate the drive shaft and retract the winch. | 04-12-2012 |
| 20120122367 | Advanced Light Beam Remote Control - Remote control of a toy helicopter by projecting a modulated Infra-Red light spot on a wall. The spot is beamed from a hand-held remote control unit and aimed by the user in different directions. The helicopter follows that spot by a controlled ascend or descend if the light spot is above or below the helicopter respectively, as well as turns right or left in the direction of the light spot. | 05-17-2012 |
| 20120231696 | AEROBAT TOY - An aerobat toy comprising propellers ( | 09-13-2012 |
| 20120258645 | Shooting device for RC helicopter - A remote actuation device for a toy helicopter remotely controlled by a remote controller includes a motorized unit and an actuation unit. The motorized unit is powered by a power source of the toy helicopter. The actuation unit, which is arranged to couple with the toy helicopter, is operatively linked to the motorized unit for generating multiple actions, wherein the motorized unit is controlled by the remote controller for enabling the remote controller operating the actuating unit to select the multiple actions. Therefore, the operator of the toy helicopter is able to control the remote controller to select the action of the actuation unit to be operated. | 10-11-2012 |
| 20130137336 | Linkage device for remote control model helicopter with coaxial and counter rotating double-propeller - A linkage device for a remote control model helicopter with coaxial and counter rotating double-propeller includes a servo steering engine operating system, a tail motor operating system and a receiver controlling device; the servo steering engine operating system includes a forward and backward servo steering engine operating unit and a leftward and rightward servo steering engine operating unit; the receiver controlling device is connected to both the servo steering engine operating system and the tail motor operating system and for controlling the forward and backward servo steering engine operating unit and the tail motor operating system to link simultaneously. Compared to a conventional three-channel or four-channel model helicopter, the model helicopter using the linkage device has better resistance to winds and meets requirements to fly fast against winds outdoors. | 05-30-2013 |
| 20140099853 | REMOTE-CONTROL FLYING COPTER AND METHOD - A hovering remote-control flying craft having a molded frame assembly includes a plurality of arms extending from a center body with an electric motor and corresponding propeller on each arm. In various embodiments, the motor and propeller are mounted downward-facing at a distal portion of each arm with a motor cover over the motor. The center body can be formed of a two-piece molded structure that sandwiches a circuit board to provide structural support for the frame. The circuit board can include a plurality of tabs that facilitate mounting of wire connectors, and can also provide antennas and emitters for both IR and RF communications. In some embodiments, a removable safety ring protects the propellers from lateral contact. | 04-10-2014 |
| 20140315464 | Remotely Controlled, Impact-Resistant Model Helicopter - A remotely-controlled impact-resistant model helicopter (RIMH) that is comprised of two major elements: a helicopter and a remote control unit. The helicopter includes a housing that encloses a first electronic control circuit that controls the operation of a receiver circuit connected to a receiving antenna, a main rotor blade motor, a tail rotor motor, an LED light circuit and a power source. The RIMH includes a coaxial main rotor assembly that includes a lower main rotor blade, an upper main rotor blade and a rotor blade stabilizer. Attached to the housing is a tail boom assembly that has attached the tail rotor motor that operates a rear rotor blade, and that has attached a horizontal stabilizer and a vertical stabilizer. The helicopter is controlled and remotely operated by a hand-held remote control unit that includes a second electronic control circuit that controls the application of various aerial maneuvers that are transmitted to the helicopter. | 10-23-2014 |
| 20140323009 | PROTECTIVE RING FOR TOY HELICOPTER - A helicopter having increase stabilization and protective rings for the propellers is provided. The helicopter includes a helicopter body, and at least one propeller connected by a shaft to the helicopter body. The at least one propeller is configured to rotate in a first direction about an axis defined by the shaft. A protective ring is pivotally connected to the at least one propeller at pivot points positioned at opposing ends thereof. The protective ring rotates with the at least one propeller and is pivotable about a longitudinal axis defined by the at least one propeller, such that the protective ring pivots independent of a tilting angle of the propeller. | 10-30-2014 |
| 20140357149 | GRAVITY-SLOWING SELF PROPELLING GAME DEVICE - The game device for a user including a flexible closure for receiving impacts from the user, one or more filler placed inside the flexible closure for reducing recoiling of the flexible closure from the surface on receiving impacts, a mechanical unit attached to the inner walls of the flexible closure and a gravity slowing unit attached to the mechanical unit for reducing the gravitational pull acting on the flexible closure. The mechanical unit includes an electric motor for providing torque, an impact sensor for sensing the impacts received from the user, and a power source for energizing the electric motor and the impact sensor. The gravity slowing unit includes a spring-loaded hinge for stabilizing the flexible closure from impacts projected by the user, a spring-loaded shaft connected to the electric motor through the spring-loaded hinge for rotating to rotate on receiving torque from the electric motor and at least one set of propellers connected to the spring-loaded shaft for the receiving torque and providing thrust against gravitational pull acting on the flexible closure. | 12-04-2014 |
| 20150038045 | REMOTE CONTROL HELICOPTER TOY WITH DOUBLE PROPELLERS ON EMPENNAGE - The present invention discloses a remote control helicopter toy with double propellers on the empennage. The remote control helicopter toy with double propellers on the empennage comprises a helicopter body ( | 02-05-2015 |
| 20150093956 | PROPULSION SYSTEM FOR A VEHICLE OR A TOY VEHICLE - A propulsion system for a vehicle or toy vehicle is disclosed. The system comprises rotary drive means for driving the vehicle along ground, the rotary drive means operating in a plane and having a peripheral ground-engagement part. The system further comprises a rotor comprising one or more rotor blades rotatable about a rotor axis for producing thrust, wherein the rotary drive means and the rotor are positioned relative to each other so that during rotation of the rotor, the rotor blades pass through the plane of the rotary drive means, inside the peripheral ground-engagement part. In this way, the rotor blades are protected by the peripheral ground-engagement part. | 04-02-2015 |
| 20150298017 | HAND-LAUNCHED, SOLAR-POWERED AIRCRAFT - Embodiments of a hand-launched solar-powered aircraft are disclosed. In addition, embodiments of kits are disclosed for the construction of a hand-launched solar-powered aircraft. Further, embodiments of methods of making a hand-launched aircraft are disclosed. In some embodiments, the hand-launched aircraft is solar-powered. Still further, embodiments of an educational kit for a hand-launched, solar-powered aircraft are disclosed. In various embodiments, the educational kit comprises educational material on one or more science and technology learning topics, which educational material is relevant to and supplemented by the assembly and/or operation of the aircraft. The education material can relate to, for example, one or more of flying techniques, aeronautics, renewable energy, electronics, mechanical engineering, and/or climatology. | 10-22-2015 |
| 20150314207 | REMOTE CONTROLLED AND RECHARGEABLE TOY HELICOPTER - A remote control helicopter includes a body, a tail wing, a rotor assembly, a landing skid assembly, and a charging port on the bottom of the helicopter. The remote control for the helicopter includes an outer housing, landing skid grooves, a power switch, a throttle control stick that controls the ascent and the descent, a direction control stick that controls the turning or rotation of the helicopter, and a charging plug. | 11-05-2015 |
| 446038000 | Separable rotating means | 2 |
| 20090047862 | FLYING OBJECT WITH TANDEM ROTORS - A flying object with tandem rotors, in particular a helicopter, has a main rotor and a tandem rotor each with propeller blades which are driven by a rotor shaft and which is hinge-mounted to this rotor shaft. The angle between the surface of rotation of the main rotor and the rotor shaft may vary. A swinging manner on an oscillatory shaft is essentially transverse to the rotor shaft of the main rotor and is directed transversally to the longitudinal axis of the vanes. The main rotor and the tandem rotor each have an auxiliary rotor connected respectively to the main rotor and tandem rotor by a mechanical link. The swinging motions of the auxiliary rotor controls the angle of incidence (A) of at least one of the propeller blades of the main rotor and tandem rotor. There is an acute angle of displacement when viewing the propeller blades relative to the vanes in a direction perpendicular to their respective rotational planes. | 02-19-2009 |
| 20090170395 | INTEGRATED REMOTE CONTROL AND STORAGE HOUSING - An integrated remote control and storage housing is herein described. The housing is for controlling and storing a remote control toy flying object such as a helicopter. The housing comprises a body, the body having controls on an exterior face. The controls are for at least controlling the directional motion of a toy flying object. Additionally, the body includes an interior compartment being for stowing the toy flying object when not in use, and a power supply providing power for the remote control and optionally for charging a miniature remote controlled toy flying object. The housing optionally permits a first toy flying object to charge while operating a second toy flying object. | 07-02-2009 |
| 446045000 | And projector | 3 |
| 20090117813 | Levitating toy with an air-stream generator and a flying prop - A flying toy has an airstream generator with a handle. The air stream generator has an air duct with a multi-blade propeller operatively coupled to a motor. The handle has a compartment to accommodate one or two batteries to power the motor. When the motor is turned on, the propeller produces an airstream out of the air duct. On top of the air duct, a cover with a stud is provided. The stud is dimensioned to fit a hole in the bottom section of a bowl-shaped body. The bowl-shaped body has a rim section connected to the bottom section. The rim section has a plurality of fins oriented such that when the airstream is produced by the propeller, the airstream interacts with the fins, causing the bowl-shaped body to spin while the bowl-shaped body is moving away from and hovering above the air duct. | 05-07-2009 |
| 20110059672 | DIRECTIONALLY CONTROLLABLE FLYING VEHICLE AND A PROPELLER MECHANISM FOR ACCOMPLISHING THE SAME - A flying vehicle in accordance to an embodiment of the present invention includes a propeller control mechanism for flying the vehicle. The propeller control mechanism includes a propeller having a center shaft for connecting to the drive shaft; first and second propeller blades extending from the center shaft; and a control mechanism including a first linkage connecting the center shaft to the first propeller blade and a second linkage connecting the center shaft to a region defined on the propeller, wherein a change in a driving torque of the drive shaft causes the first linkage and the second linkage to change the pitch and height of the propeller blades while substantially unchanging the tip path plane of the propeller blades. | 03-10-2011 |
| 20110151741 | TOY PROJECTILE LAUNCHING APPARATUS - An apparatus may include a projectile and a housing or launcher. The projectile may include wing portion, with the wing portion having an end, a leading edge and a trailing edge. The housing may include a grip, a trigger, and a projectile support platform. The projectile support platform may have a projectile launch key dimensioned to removably receive the end of the wing of the projectile and engage the trailing edge of the wing. The projectile launch key may also be being mechanically connected to the trigger and operate to rotate upon retraction of the trigger and thereby launch the projectile. | 06-23-2011 |
