US PATENT SUBCLASS 72 / 481.2
.~.~.~ Pneumatic- or fluid-actuated means to move or hold 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  DF  .~.~ With support or holder for adjustable or removable tool face {10}
481.2.~.~.~ Pneumatic- or fluid-actuated means to move or hold tool face

DEFINITION

Classification: 72/481.2

Pneumatic- or fluid-actuated means to move or hold tool face:

(under subclass 481.1) Apparatus including means utilizing a fluent or liquid medium under pressure to reposition or retain the tool face with respect to the support or holder.

SEE OR SEARCH THIS CLASS, SUBCLASS:

54+, for direct application of a fluent medium to engage and deform metal.

453.01+, for a pneumatic- or fluid-actuated tool metal deforming tool.