US PATENT SUBCLASS 172 / 267
.~.~.~.~ Toggle adjustable

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

261  DF  OVERLOAD SHIFTING {6}
264  DF  .~ Against spring return device {1}
265  DF  .~.~ Swinging about fixed pivot axis {1}
266  DF  .~.~.~ Including toggle linkage {2}
267.~.~.~.~ Toggle adjustable

DEFINITION

Classification: 172/267

(under subclass 266) Apparatus in which the angularity between the links when in a normal or unshifted position is adjustable.

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