Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
231 words
A toy rocket comprising: a first stage having a body housing a rocket motor, said motor comprising: a motor body having means defining a propellent cavity for receiving and holding a pressurized propellent fluid, and also defining a second cavity for receiving and holding a pressurizing gas, said motor body having means communicating between said second cavity and the exterior thereof including at least one aperture extending through a peripheral wall of said second cavity; a nozzle connected to said motor body and communicating between said propellant cavity and the exterior of said motor; pressure responsive means for sealing said communicating means and said second cavity when it is pressurized, said pressure responsive means comprising a member of flexible, resilient material disposed across said aperture on the inside of a peripheral wall of said second cavity and being capable of extending through said aperture in response to pressure increases within said second cavity; the propellant cavity means including a flow channel in fluid communication between said propellent cavity and said second cavity; and means for restricting fluid passage through said flow channel, including a restriction member, said restriction member being pervious to gas and substantially impervious to liquid; a second stage having a body portion adjacent said second cavity exterior, said pressure responsive means frictionally engaging said second stage body portion through said aperture when said second cavity is pressurized. pg,16
Claim 2
Dependent Claim
231 words
A toy rocket comprising: a first stage having a body housing a rocket motor, said motor comprising: a motor body having means defining a propellent cavity for receiving and holding a pressurized propellent fluid, and also defining a second cavity for receiving and holding a pressurizing gas, said motor body having means communicating between said second cavity and the exterior thereof including at least one aperture extending through a peripheral wall of said second cavity; a nozzle connected to said motor body and communicating between said propellant cavity and the exterior of said motor; pressure responsive means for sealing said communicating means and said second cavity when it is pressurized, said pressure responsive means comprising a member of flexible, resilient material disposed across said aperture on the inside of a peripheral wall of said second cavity and being capable of extending through said aperture in response to pressure increases within said second cavity; the propellant cavity means including a flow channel in fluid communication between said propellent cavity and said second cavity; and means for restricting fluid passage through said flow channel, including a restriction member, said restriction member being pervious to gas and substantially impervious to liquid; a second stage having a body portion adjacent said second cavity exterior, said pressure responsive means frictionally engaging said second stage body portion through said aperture when said second cavity is pressurized. pg,16
Claim 3
Dependent Claim
30 words
The toy rocket of claim 1 further comprising a spring interposed between said first and second stage for separating said first and second stage when said second cavity is depressurized.
Claim 4
Dependent Claim
23 words
The toy rocket of claim 1 wherein said second stage includes parachute means for deployment upon separation of said first and second stages.
Claim 5
Dependent Claim
28 words
The toy rocket of claim 1 wherein said body portion of said second stage comprises a tubular sleeve member and a nose cone member attached to said sleeve.
Claim 6
Dependent Claim
26 words
The toy rocket of claim 4 wherein said rocket motor is movable in said first stage body when said pressure responsive means releases said second stage.
Claim 7
Dependent Claim
50 words
The toy rocket of claim 5 wherein said rocket motor is spring-biased by a spring interposed between said first and second stages in a rearward direction to a second position, said rocket motor in said second position shifting the center of gravity of said toy rocket to render it unstable.