US PATENT SUBCLASS 49 / 110
.~.~.~ With operator or energy stored opening means

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

73.1  DF  CLOSURES INTERCONNECTED FOR CONCURRENT MOVEMENT {9}
104  DF  .~ Closures mounted for swinging {4}
109  DF  .~.~ Link or link system interconnected {1}
110.~.~.~ With operator or energy stored opening means {2}
111  DF  .~.~.~.~> Allochiral link system from closures to input connection {1}
114  DF  .~.~.~.~> Actuating force applied through one closure to other closure

DEFINITION

Classification: 49/110

(under subclass 109) Device provided with a manipulatable mechanical means movable relative to a closure or a means to store potential energy, e.g., a spring for imparting an opening movement to the closure.

SEE OR SEARCH THIS CLASS, SUBCLASS:

108, for a meshing gear operator which drives a closure pivoted lever.

353+, for an operating lever and closure which swing about parallel axes.

379, for a latch release of movement-stored energy.