US PATENT SUBCLASS 49 / 218
.~.~.~ Crank arm-type link

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.~.~.~ Crank arm-type link {1}
219  DF  .~.~.~.~> Paired sets of crank arms {1}

DEFINITION

Classification: 49/218

(under subclass 216) Device wherein the pivoted arm is a crank, i.e., has an extension which is offset therefrom, whereby rotation of said arm with said extension moves the closure transversely

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215, for a closure having one end movable transversely on a skewed track and the other end movable transversely on a crank arm.