US PATENT SUBCLASS 396 / 144
.~ Mechanical mechanism for displacement of exposure objective

Current as of: June, 1999
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396 /   HD   PHOTOGRAPHY

89  DF  WITH EXPOSURE OBJECTIVE FOCUSING MEANS, FOCUSING AID, OR RANGEFINDING MEANS {28}
144.~ Mechanical mechanism for displacement of exposure objective {2}
145  DF  .~.~> Bed or bellows type
146  DF  .~.~> Having lock mechanism

DEFINITION

Classification: 396/144

Mechanical mechanism for displacement of exposure objective:

(under subclass 89) Subject matter having mechanical means (e.g., gear train, lever) for moving the exposure objective to obtain a sharp image.

SEE OR SEARCH THIS CLASS, SUBCLASS:

, FOR 835+, for foreign art collections involving manual camera focusing.

SEE OR SEARCH CLASS

359, Optics: Systems (Including Communication) and Elements,

822+, for lens mount with adjustable focusing mechanism.