Mechanical guns and projectors – Fluid pressure – Provided by movement of user-actuated – projector-mounted...
Patent
1978-01-31
1980-07-15
Stouffer, Richard T.
Mechanical guns and projectors
Fluid pressure
Provided by movement of user-actuated, projector-mounted...
273344, F41B 1100
Patent
active
042122856
ABSTRACT:
A one-piece dart comprising a shaft having an integral suction cup at its forward end and an integral, air actuable, propelling element at its rearward end, the dart being molded from a soft, flexible plastic material. A spring activated air operated dart gun including a dart barrel having a non-circular cross section uniform throughout the length of the barrel, the propelling element on the dart being complementary to the dart barrel so that the propelling element makes a substantially air tight seal with the dart barrel. A dart barrel and a dart propelling element which are substantially square. An air operated dart gun having a barrier for positively preventing physical contact between an air displacing piston and the dart, and for making physical contact between the piston and a foreign object in the dart barrel virtually impossible. A piston provided with a central conical element facing the dart barrel. A dart gun having an air cylinder and a dart barrel which are separate pieces capable of being joined directly together, or in spaced relation by a connecting air passage.
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patent: 3859977 (1975-01-01), Lange
Cagan Bernard J.
McQuary Kenneth L.
Placo Products Company
Stouffer Richard T.
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