US PATENT SUBCLASS 49 / 328
.~.~ By vertically oscillating lever

Current as of: June, 1999
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49 /   HD   MOVABLE OR REMOVABLE CLOSURES

324  DF  WITH OPERATOR FOR MOVABLY MOUNTED CLOSURE {12}
327  DF  .~ Actuated from opposite approaches {3}
328.~.~ By vertically oscillating lever {1}
329  DF  .~.~.~> Link system connects lever to closure {1}

DEFINITION

Classification: 49/328

(under subclass 327) Device wherein the actuator of the closure operating means includes pivoted arms which move back and forth about a horizontal axis which are alternately worked by the closure user to impart closure movement.