Mechanical guns and projectors – Fluid pressure – With control for discharge of fluid pressure
Patent
1994-03-17
1996-04-09
Ricci, John A.
Mechanical guns and projectors
Fluid pressure
With control for discharge of fluid pressure
124 49, 124 76, 221200, F41B 1102, F41B 1106
Patent
active
055051880
ABSTRACT:
A bolt having an opening formed therethrough is slidably located in the bore of the gun. The bolt is held in a rear position by a sear with the bolt opening closed by a valve which extends into the bolt opening and engages a rear facing bolt seat. A passageway extends into the bolt opening by way of a valve for allowing pressurized gas to flow into the bolt opening. A trigger mechanism releases the bolt for allowing the bolt to be moved forward for allowing the valve and seat to separate for allowing the gas to flow through the bolt opening for forcing a ball from the rear end of the barrel out of the gun. Forward movement of the bolt is stopped by a lock member located in an aperture formed through the wall of the bolt which is forced outward into a slot of the gun body when the lock member reaches the slot. A cock valve located in a cock valve chamber releases gas from the cock valve chamber to force the lock member back into the bolt aperture and to force the bolt back to the rearward position. A ball inlet extends into the bore forward of the bolt when the bolt is in its rear position for allowing balls sequentially to pass into the bore. The bolt return gas is allowed to pass into a feed tube coupled to the ball inlet for forcing the next ball into the ball inlet.
REFERENCES:
patent: 2792262 (1957-05-01), Hathorn
patent: 2956839 (1960-10-01), Hermans
patent: 3788298 (1974-01-01), Hale
patent: 4819609 (1989-04-01), Tippmann
patent: 4850330 (1989-07-01), Nagayoshi
patent: 4936282 (1990-06-01), Dobbins et al.
patent: 5078118 (1992-01-01), Perrone
patent: 5280778 (1994-01-01), Kotsiopoulos
patent: 5282454 (1994-02-01), Bell et al.
patent: 5339791 (1994-08-01), Sullivan
Ricci John A.
Zobal Arthur F.
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