US PATENT SUBCLASS 172 / 265
.~.~ Swinging about fixed pivot axis

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.~.~ Swinging about fixed pivot axis {1}
266  DF  .~.~.~> Including toggle linkage {2}

DEFINITION

Classification: 172/265

(under subclass 264) Apparatus wherein the movable element pivots about a fixed point on the support.

(1) Note. This definition excludes those devices in which the movable element pivots about an axis and the axis also moves as a result of the overload shift.

SEE OR SEARCH CLASS

280, Land Vehicles,

452+, for articulated vehicles having an overload release of the type having a pivoted jaw or hook.