US PATENT SUBCLASS 172 / 740
.~.~.~ Tool adjustably connected to standard

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

681  DF  TOOL, STANDARD OR CONNECTION {32}
734  DF  .~ Adjustable {5}
739  DF  .~.~ Adjustable about horizontal transverse axis {1}
740.~.~.~ Tool adjustably connected to standard

DEFINITION

Classification: 172/740

(under subclass 739) Apparatus wherein the earth working element is connected to a standard by adjustable means which

permits rotation of said element about the transverse axis. The standard is the generally vertically extending member to which the tool is connected and which is in turn connected to a frame or beam member.

(1) Note. For the meaning of "adjustable" see the class definition.