US PATENT SUBCLASS 352 / 218
.~.~ With plural blades on spaced axis

Current as of: June, 1999
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352 /   HD   OPTICS: MOTION PICTURES

204  DF  SHUTTERS {3}
208  DF  .~ Rotary {7}
218.~.~ With plural blades on spaced axis

DEFINITION

Classification: 352/218

(under subclass 208) Subject matter which includes a

plurality of blades which rotate about separate spaced axis.

SEE OR SEARCH THIS CLASS, SUBCLASS:

214, for a shutter including a plurality of rotating blades spaced along the same axis.