US PATENT SUBCLASS 483 / 52
.~.~.~.~ Plural tool holders

Current as of: June, 1999
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483 /   HD   TOOL CHANGING

16  DF  INCLUDING MACHINE TOOL OR COMPONENT {3}
30  DF  .~ Rotary spindle machine tool (e.g., milling machine, boring, machine, grinding machine, etc.) {3}
36  DF  .~.~ Tool changer between spindle and matrix {3}
51  DF  .~.~.~ Including linearly translatable tool changer (e.g., shuttle, ram, etc.) {2}
52.~.~.~.~ Plural tool holders

DEFINITION

Classification: 483/52

Plural tool holders:

(under subclass 51) Apparatus wherein the transfer means comprises more than one gripping means for simultaneously advancing more than one implement during transfer.