US PATENT SUBCLASS 280 / 453
.~.~.~.~.~ Linear motion hook release

Current as of: June, 1999
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280 /   HD   LAND VEHICLES

29  DF  WHEELED {21}
400  DF  .~ Articulated vehicle {30}
446.1  DF  .~.~ Condition responsive connections {4}
449  DF  .~.~.~ Overload release {3}
452  DF  .~.~.~.~ Pivoted jaw or hook {3}
453.~.~.~.~.~ Linear motion hook release

DEFINITION

Classification: 280/453

(under subclass 452) Devices in which the hook or jaw and its pivot are movable in a straight line in the direction of draft, such movement resulting in release of the hook for movement about the pivot.