US PATENT SUBCLASS 72 / 481.1
.~.~ With support or holder for adjustable or removable tool face

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.~.~ With support or holder for adjustable or removable tool face {10}
481.2  DF  .~.~.~> Pneumatic- or fluid-actuated means to move or hold tool face
481.3  DF  .~.~.~> Threaded means to move or hold tool face {4}
482.1  DF  .~.~.~> Cam to move or hold tool face {2}
482.6  DF  .~.~.~> Lever to move tool face
482.7  DF  .~.~.~> Ratchet to move tool face
482.8  DF  .~.~.~> Gear to move tool face
482.9  DF  .~.~.~> Magnetic means to hold tool face
482.91  DF  .~.~.~> Spring to hold tool face
482.92  DF  .~.~.~> Pin to hold tool face
482.93  DF  .~.~.~> Tool face held by friction fit to support {1}

DEFINITION

Classification: 72/481.1

With support or holder for adjustable or removable tool face:

(under subclass 476) Apparatus provided with a carrying member in which the tool is so mounted that it, or a portion of it, may be changed or positioned or extracted relative to the member.