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US 2009/0215355 A1Published application
Acrobatic rotary-wing toy helicopter
AssigneeSpin Master Ltd.
InventorsJames E. Elson, Charles Sink
Life of this patent
Estimating the term…
Abstract
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.
Claims11
A rotary-wing toy helicopter comprising:
- a transverse shaft;
- a plane body fixedly attached to said transverse shaft, said plane body comprising a nose end and a tail end;
- and
- a rotor assembly rotatably attached to said transverse shaft, said rotor assembly comprising:
- a primary drive means connected to a drive shaft for driving at least one set of lifting blades, said drive shaft being generally perpendicular to the longitudinal axis of said transverse shaft;
- a secondary drive means connected to said transverse shaft for driving rotation of said transverse shaft and said plane body clockwise or counterclockwise around the longitudinal axis of said transverse shaft, said plane body being selectively retainable at angles between 0 and 360 degrees relative to said drive shaft;
- and
- control means for controlling said primary drive means and said secondary drive means.
5 more elements
Dependencies are inferred from the claim text.