US PATENT SUBCLASS 147 / 13
.~.~ Rotary cutter head

Current as of: June, 1999
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147 /   HD   COOPERING

*  DD  CROZING AND CHAMFERING BARRELS {3}
*  DD  .~ Clamped barrel {1}
13.~.~ Rotary cutter head

DEFINITION

Classification: 147/13

The barrel is clamped in a nonrotating clamp, and a rotary cutter-head carried by a frame which rotates on an axis concentric with the axis of the barrel cuts the croze, howel, or chamfer.