Ordnance – Breech closures – Transverse
Patent
1989-11-08
1991-01-22
Jordan, Charles T.
Ordnance
Breech closures
Transverse
F41A 310
Patent
active
049861620
ABSTRACT:
A wedge-type breechblock arrangement for a gun having a breech-ring and being mounted on a gun cradle. The arrangement includes a breech wedge movable in the breech-ring transversely to the bore axis of the gun for opening and closing the breech end of the gun. A ramp is mounted on the cradle and a breech-opening shaft is connected with the breech wedge in the form-locking manner. A run-up lever is fixed to the breech-opening shaft and is in operative engagement with the ramp during an opening movement of the breech wedge. A holding device is provided for holding the breech wedge in an open position and for releasing the breech wedge to initiate movement to close the breech wedge. A blocking device is fixed to the cradle and includes a pivotally mounted blocking lever for pivoting into the path of movement of the run-up lever to block movement of the breech-opening shaft for limiting a first partial closing movement of the breech wedge.
REFERENCES:
patent: 1359454 (1920-11-01), Adelman et al.
patent: 1651128 (1927-11-01), Jervey
patent: 2613576 (1952-10-01), Finn
patent: 4278007 (1981-07-01), von Seidlitz
Johnson Stephen
Jordan Charles T.
Rheinmetall
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