Electric spinning toy

Abstract

A spinning device for easy and safe operation, in which the rotation of the device may be activated by simple means, and therefore the device may be suitable for use by children. In addition, the use of a spinning blade may provide special airflow inside the device, which may cause the device to spin substantially as long as power is applied to an electric motor of the device.

1 . A device comprising:
 a body rotatable about an axle in a center of said body, said body having a pointed end;   a motor to rotate said axle;   at least one blade, said at least one blade connected at an inner width side to said axle so as to rotate with said axle when the axle rotates; and   a casing covering said blade, the casing having inbound and outbound vent openings, said inbound vent openings located proximate a length of said at least one blade and said outbound vent openings located proximate an outer width of said at least one blade.   
     
     
         2 . The device according to  claim 1 , wherein said inbound vent openings are located substantially above said length of said blade when said device is placed on the pointed end, thereby enabling entry of air into said casing at a region of said at least one blade from outside the casing. 
     
     
         3 . The device according to  claim 1 , wherein said outbound vent openings are located substantially outward from said outer width of said blade relative to said axle, thereby enabling exit of air out of said casing from a region of said at least one blade. 
     
     
         4 . The device according to  claim 1 , wherein the distance from an edge along the length of the blade to the inbound vent opening is less then twice the greatest width of the blade. 
     
     
         5 . The device according to  claim 1 , wherein the distance from an edge along the length of the blade to the inbound vent opening is less then the greatest width of the blade. 
     
     
         6 . The device according to  claim 1 , wherein the distance from an edge along the outer width of the blade to the outbound vent opening is less then twice the length width of the blade. 
     
     
         7 . The device according to  claim 1 , wherein the distance from an edge along the outer width of the blade to the outbound vent opening is less then the length width of the blade. 
     
     
         8 . A device according to  claim 1 , further comprising a handle integral with the casing, for activating rotation of said device. 
     
     
         9 . A device according to  claim 8 , further comprising a handle rotatable relative to said casing. 
     
     
         10 . A device according to  claim 8 , further comprising a handle integral with the axis of said blade. 
     
     
         11 . A device according to  claim 1 , further comprising a switch to activate said motor. 
     
     
         12 . A device according to  claim 11 , wherein said switch is to sense rotational momentum applied to said body and to activate said motor accordingly. 
     
     
         13 . A device according to  claim 12 , wherein said switch is to activate said motor to rotate the blade in a corresponding direction to maintain the spinning of the body in the direction of the sensed rotational momentum. 
     
     
         14 . A device according to  claim 12 , wherein said switch comprising a manual actuator enabling a user to activate said motor. 
     
     
         15 . A device according to  claim 12 , wherein said switch comprising a manual actuator enabling a user to predefine the direction in which said motor rotates said blade. 
     
     
         16 . A device according to  claim 12 , wherein said switch comprising a magnetic field sensor to sense the magnetic field of the Earth, said switch is to determine the direction of rotation of the device according to the sensed magnetic field, and to activate the motor to rotate blade in a corresponding direction to maintain rotation of the device in the sensed direction of rotation. 
     
     
         17 . A device comprising:
 a rotatable body;   a motor to rotate said body; and   a switch comprising a flexible conductive leaf and at least one contact pin, the flexible leaf to contact said at least one contact pin when rotational momentum applied to said body, the contact activates said motor.   
     
     
         18 . A device according to  claim 17 , wherein said flexible conductive leaf is to lean outwards radially from the rotation axis when rotational momentum applied to said body. 
     
     
         19 . A device according to  claim 17 , wherein said at least one contact pin comprises two contact pins, each of the pins is placed in other side of the leaf, and wherein said flexible conductive leaf is to lean in an opposite direction to the direction of the rotational momentum to contact one of said contact pins which is placed in a corresponding side to the direction of leaning. 
     
     
         20 . A device according to  claim 19 , wherein said switch is further to sense the direction of the rotational momentum and to activate said motor according to said direction. 
     
     
         21 . A device according to  claim 20 , wherein said switch activates said motor to maintain the rotation of the body in the sensed direction of rotational momentum. 
     
     
         22 . A device comprising:
 a rotatable body;   a handle to initially actuate rotation of said body;   a motor;   a switch to activate said motor when said switch is in active position; and   a switch actuator integral with said handle, said switch being located in an indentation in said activator, wherein said switch is to be pushed to an active position by an internal margin of said indentation when said switch actuator turns rotationally.   
     
     
         23 . A device according to  claim 22 , wherein said actuator comprises a plate integral with said handle, the plate being rotatably connected on the device body, wherein said switch is to be pushed to an active position when the plate rotates, and wherein after the initial activation, the plate is locked to its position on the device body. 
     
     
         24 . A device according to  claim 22 , wherein said switch is to actuate said motor to maintain rotation of the body in the direction corresponding to the initial rotation direction of said actuator.