Breech construction for air gun

Details Breech construction for air gun Breech construction for air gun

1989-12-20

1992-01-07

Cuomo, Peter M.

Mechanical guns and projectors

Fluid pressure

With control for discharge of fluid pressure

124 73, F41B 1106

Patent

active

050781189

ABSTRACT:
An air gun for firing pellets having a unique aluminum breech formed by extrusion. Extending through the breech is a main, large longitudinal passageway in which the hammer mechanism and gas valve system is arranged. A smaller longitudinal passageway for compressed gas is located at one side of the main passageway and is connected to the main passageway by an opening in a central part of the breech. There is a housing for attaching a gas cylinder at the rear end of the breech. In this housing is a further gas passageway for delivering compressed gas from the cylinder to the smaller passageway in the breech. A sealed passageway in the valve body leads from the opening in the center part of the breech to a gas chamber in the valve body.

REFERENCES:
patent: 749519 (1904-01-01), Benjamin
patent: 1292665 (1919-01-01), Udesen
patent: 1838999 (1931-12-01), Mihalyi
patent: 2293957 (1942-08-01), Wells
patent: 2526592 (1950-10-01), Tratsch
patent: 3381403 (1968-05-01), Murdoch
patent: 3741189 (1973-06-01), Kester et al.
patent: 4191158 (1980-03-01), Curran

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