US PATENT SUBCLASS 483 / 45
.~.~.~.~.~.~ Extensible 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}
38  DF  .~.~.~ Including tool holder pivotable about axis {5}
39  DF  .~.~.~.~ Plural tool holders pivotable about common axis {4}
44  DF  .~.~.~.~.~ Linearly movable tool holders {2}
45.~.~.~.~.~.~ Extensible tool holders

DEFINITION

Classification: 483/45

Extensible tool holders:

(under subclass 44) Apparatus wherein the means for advancing the gripping means along a straight line comprises means for radially translating the gripping means with respect to the pivot axis.