US PATENT SUBCLASS 42 / 9
.~ Faucet breechblock
Current as of: June, 1999
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DEFINITION
Classification: 42/9
The breechblock turns about a central fixed axis, which is perpendicular to the longitudinal axis of the barrel like a faucet valve, to open and close the breech. The charge is sometimes received in this block and there retained when fired. In other cases the block closes the breech containing the charge.