US PATENT SUBCLASS 49 / 28
.~ Closure drive stopping or reversal


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

26  DF  SAFETY MEANS RESPONSIVE TO OBSTRUCTION TO CLOSURE {2}
28.~ Closure drive stopping or reversal


DEFINITION

Classification: 49/28

(under subclass 26) Device wherein the closure moving means ceases to urge the closure to a closed position, or moves the closure in an opposite direction, when the closure meets the abnormal resistance.