Gas gun with radially enlargeable O-ring

Details Gas gun with radially enlargeable O-ring Gas gun with radially enlargeable O-ring

1986-01-15

1987-06-23

Stouffer, Richard T.

Mechanical guns and projectors

Fluid pressure

With control for discharge of fluid pressure

124 41C, 124 50, F41B 1106

Patent

active

046744703

ABSTRACT:
A gas gun includes a chamber, a barrel, and a bullet charging member for introducing bullets into the chamber. An elastic O-ring is positioned between the barrel and the charging member. A stepped part is formed integrally with the chamber and permits radial expansion of the O-ring. When pressurized gas is introduced into the chamber, the O-ring is caused to advance to the stepped part of the chamber when urged by a bullet. The bullet is motivated by the pressurized gas. The O-ring thereby becomes radially enlarged such that the bullet passes through the O-ring and is expelled from the barrel.

REFERENCES:
patent: 2633838 (1953-04-01), Seward
patent: 2938513 (1960-05-01), Giss
patent: 3204625 (1965-09-01), Shepherd
patent: 3233600 (1966-02-01), Spack
patent: 4147152 (1979-04-01), Fischer et al.
patent: 4191158 (1980-03-01), Curran

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