Mechanical guns and projectors – Fluid pressure – Provided by movement of user-actuated – projector-mounted...
Patent
1990-04-20
1991-10-22
Cuomo, Peter M.
Mechanical guns and projectors
Fluid pressure
Provided by movement of user-actuated, projector-mounted...
124 64, F41B 1112, F41B 1134
Patent
active
050585614
ABSTRACT:
A compressed air gun having a piston and cylinder combination for launching cylindrical objects therefrom. The compressed air gun has a smooth bore elongated hollow cylinder which receives an elongated ribbed piston therein. The piston is slightly longer than the cylinder and extends from one end thereof. The end of the piston within the cylinder has a resilient seal which rubs against the inner wall of the cylinder and provides an air tight seal therebetween. The projectile is in the form of a cylinder such as a beverage can. A seal ring is placed around the distal end of the projectile when the projectile is inserted in the downstream end of the cylinder. The seal around the projectile extends inwardly past an angled surface in the distal end of the cylinder forming an air tight seal therewith. The angle surface provides ease of projectile insertion into the cylinder. For projectile launching the piston is translated relative to the cylinder away from the distal end of the cylinder, a projectile with the seal ring is then inserted into the distal end of the cylinder and the piston is translated relative to the cylinder in the opposite direction toward the projectile compressing the air trapped therein to an elevated pressure launching the projectile.
REFERENCES:
patent: 134048 (1872-12-01), Giffard
patent: 1803366 (1931-05-01), Stetson
patent: 2315242 (1943-03-01), Briggs et al.
patent: 2425866 (1947-08-01), Conklin
patent: 2600883 (1952-06-01), King
patent: 2725048 (1955-11-01), Koogle
patent: 4850329 (1989-07-01), Taylor et al.
Cuomo Peter M.
Gilliam Frank D.
Ricci John
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