Mechanical guns and projectors – Fluid pressure – With control for discharge of fluid pressure
Patent
1998-12-09
2000-12-12
Swiatek, Robert P.
Mechanical guns and projectors
Fluid pressure
With control for discharge of fluid pressure
F41B 1126
Patent
active
06158424&
ABSTRACT:
A model gun with automatic bullet supplying mechanism, which comprises a slider provided to be movable along a barrel and a movable member provided between a bullet holding chamber and a pressure receiving portion to be movable along moving directions of the slider. A first gas guiding passage for guiding gas supplied through a gas leading passage from a pressure accumulating chamber to the bullet holding chamber and a second gas guiding passage for guiding the gas supplied through the gas leading passage from the pressure accumulating chamber to the pressure receiving portion are provided in the movable member to be coupled with each other and, during a period in which the gas leading passage is opened by a movable valve, the movable member is operative to cause gas pressure to act on a sham bullet in the bullet holding chamber so as to move the sham bullet forward from the bullet holding chamber and, after the sham bullet has moved forward from the bullet holding chamber, to cause gas pressure to pass through the first gas guiding passage and simultaneously to act on the pressure receiving portion so as to move the pressure receiving portion back with the slider, in accordance with the difference in resistance against gas flow between the first and second gas guiding passages, and further to move back together with the slider for making preparations for supplying the bullet holding chamber with a sham bullet from a magazine.
REFERENCES:
patent: 2566181 (1951-08-01), Fitch
patent: 2881752 (1959-04-01), Blahnik
patent: 3788298 (1974-01-01), Hale
patent: 5063905 (1991-11-01), Farrell
patent: 5078118 (1992-01-01), Perrone
patent: 5257614 (1993-11-01), Sullivan
patent: 5280778 (1994-01-01), Kotsiopoulos
patent: 5476087 (1995-12-01), Kunimoto
patent: 5477843 (1995-12-01), Kunimoto
Studebaker Donald R.
Swiatek Robert P.
Western Arms
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