US PATENT SUBCLASS 72 / 481.6
.~.~.~.~ To hold by actuating a clamping mechanism

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

462  DF  TOOL AND/OR TOOL HOLDER {7}
476  DF  .~ Having unitary tool-face {4}
481.1  DF  .~.~ With support or holder for adjustable or removable tool face {10}
481.3  DF  .~.~.~ Threaded means to move or hold tool face {4}
481.6.~.~.~.~ To hold by actuating a clamping mechanism {1}
481.7  DF  .~.~.~.~.~> Threaded means comprising "fastener"

DEFINITION

Classification: 72/481.6

To hold by actuating a clamping mechanism:

(under subclass 481.3) Apparatus wherein the helically ridged member engages another member to cause that member to retainingly grasp the tool face with respect to the tool support or holder.