US PATENT SUBCLASS 172 / 823
.~.~.~ And tilt of blade adjustable


Current as of: June, 1999
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172 /   HD   EARTH WORKING

810  DF  MOUNTING FOR PUSHED TOOL AT END OF MOTOR VEHICLE {3}
811  DF  .~ Transversely mounted blade (e.g., bulldozer, etc.) {11}
818  DF  .~.~ Blade angle adjustable in a horizontal plane {2}
823.~.~.~ And tilt of blade adjustable


DEFINITION

Classification: 172/823

And tilt of blade adjustable:

(under subclass 818) Apparatus including a mechanism which maintains the working edge of the blade in selected angular orientations with respect to ground within a generally vertical plane.

(1) Note. "Tilt" is the art term which refers to this adjustment.