US PATENT SUBCLASS 42 / 5
.~ Spring-motor operated
Current as of: June, 1999
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DEFINITION
Classification: 42/5
Firearms in which a spring, which is wound up, is utilized to furnish the power for opening the breech, usually by sliding the breechblock rearward, ejecting the shell, reloading and closing the breech. Usually one winding of the spring is sufficient for a magazine full of cartridges.
