US PATENT SUBCLASS 172 / 818
.~.~ Blade angle adjustable in a horizontal plane

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.~.~ Blade angle adjustable in a horizontal plane {2}
819  DF  .~.~.~> Power-operated adjusting means {2}
823  DF  .~.~.~> And tilt of blade adjustable

DEFINITION

Classification: 172/818

(under subclass 811) Blade angle adjustable in a horizontal plane: Apparatus including means to maintain the blade in any one of a plurality of selected angular orientations with respect to the longitudinal centerline of the vehicle within a generally horizontal plane.

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