Blocking device to interrupt movement of a wedge-type breechblock
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 22, 1991
Grant Date -
N/A
app pub date -
Nov 8, 1989
filing date -
Nov 23, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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