US PATENT SUBCLASS 407 / 18
.~ Plural tooth groups


Current as of: June, 1999
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407 /   HD   CUTTERS, FOR SHAPING

13  DF  RECTILINEAR BROACH {4}
18.~ Plural tooth groups


DEFINITION

Classification: 407/18

Plural tooth groups:

(under subclass 13) Device including a first plurality of cutting protuberances for engaging the work in a first manner and including a second plurality of cutting protuberances for sequentially engaging the work in a second manner.

(1) Note. Included herein is a broach including "roughing teeth" and "finishing teeth", as well as a broach with teeth for cutting progressively deeper into work followed by teeth for cutting a progressively wider groove.