US PATENT SUBCLASS 49 / 220
.~.~.~.~.~ Operator interconnected with sets

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

208  DF  MOUNTED FOR MULTIDIRECTIONAL OR OBLIQUE MOVEMENT {7}
209  DF  .~ Initial or terminal movement transverse to sliding movement edgewise of portal {6}
216  DF  .~.~ Moves transversely on link {2}
218  DF  .~.~.~ Crank arm-type link {1}
219  DF  .~.~.~.~ Paired sets of crank arms {1}
220.~.~.~.~.~ Operator interconnected with sets

DEFINITION

Classification: 49/220

(under subclass 219) Device provided with an operator interconnecting the sets of crank arms, so that manipulation of the operator actuates both sets of crank arms.