US PATENT SUBCLASS 396 / 142
.~.~.~ Cam means to actuate rangefinder

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}
138  DF  .~ Mechanical rangefinder {1}
139  DF  .~.~ Rangefinder coupled with focusing {4}
142.~.~.~ Cam means to actuate rangefinder

DEFINITION

Classification: 396/142

Cam means to actuate rangefinder:

(under subclass 139) Subject matter wherein the mechanical rangefinder and the exposure objective are moved by a cam/follower mechanism.

(1) Note. A cam/follower mechanism is a device that produces movement by using a mechanical element that rides on the surface of a rotating or translating eccentric.

SEE OR SEARCH THIS CLASS, SUBCLASS:

, FOR 815, for a foreign art collection involving a rangefinder actuated by a cam.