US PATENT SUBCLASS 454 / 319
.~.~.~.~ Plural vanes pivoting about individual axes

Current as of: June, 1999
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454 /   HD   VENTILATION

254  DF  HAVING INLET AIRWAY {11}
284  DF  .~ Including specific air distributor (e.g., register, etc.) {14}
309  DF  .~.~ Louvered air distributor {3}
313  DF  .~.~.~ Moveable {5}
319.~.~.~.~ Plural vanes pivoting about individual axes {1}
320  DF  .~.~.~.~.~> Pivot at leading or trailing vane edge

DEFINITION

Classification: 454/319

Plural vanes pivoting about individual axes:

(under subclass 313) Subject matter wherein the relocatable slats or slat portions each rotate about separate axes.

SEE OR SEARCH THIS CLASS, SUBCLASS:

318, for an air distributor having plural louver vanes which themselves form a valve.