US PATENT SUBCLASS 89 / 25
.~.~ Swinging

Current as of: June, 1999
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89 /   HD   ORDNANCE

17  DF  BREECH CLOSURES {4}
22  DF  .~ Transverse {3}
25.~.~ Swinging

DEFINITION

Classification: 89/25

Breech-closures in which a block is pivoted and has no movement except to swing transversely to the axis of the bore to open or close the breech.