US PATENT SUBCLASS 72 / 238
.~.~ With replacement of tool

Current as of: June, 1999
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72 /   HD   METAL DEFORMING

199  DF  BY USE OF ROLLER OR ROLLER-LIKE TOOL-ELEMENT {17}
237  DF  .~ With carrier for roller-couple or tool-couple {9}
238.~.~ With replacement of tool {1}
239  DF  .~.~.~> By means to replace tool

DEFINITION

Classification: 72/238

With replacement of tool:

(under subclass 237) Subject matter including structure clearly disclosed as being for the purpose of facilitating or accomplishing removal and/or introduction of one or both the tools of a tool couple.

SEE OR SEARCH CLASS

483, Tool Changing,

30+, for a rotary spindle machine tool combined with a tool transfer means.