Lens shutter connecting mechanism between shutter speed and diaphragm aperture controls
阅读：450发布：2023-01-15
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1. IN A PHOTOGRAPHIC LENS SHUTTER OF THE TYPE HAVING AN ANNULAR SHUTTER SPEED CONTROL MEMBER, AN ANNULAR DIAPHRAGM APERTURE CONTROL MEMBER, AND A CONNECTING MECHANISM WHICH IS PROVIDED DETACHABLY BETWEEN SAID MEMBERS, SAID MEMBERS AND MECHANISM BEING ASSEMBLED SO THAT WHEN SAID MECHANISM IS PLACED IN THE STATE OF CONNECTING BOTH SAID MEMBERS, SAID MEMBERS ARE MADE TO ROTATE INTEGRALLY AS A SINGLE BODY IN SUCH A MANNER THAT DEVIATION OF THE DIAPHRAGM APERTURE CAUSED BY ROTATION OF SAID DIAPHRAGM CONTROL MEMBER AND DEVIATION OF EXPOSURE DURATION CAUSED BY ROTATION OF SAID SPEED CONTROL MEMBER ARE MUTUALLY COMPENSATED FOR SO AS TO MAINTAIN THE EXPOSURE VALUE (LIGHT VALUE) CONSTANT, AND WHEN SAID CONNECTING MECHANISM IS PLACED IN THE STATE OF DISCONNECTING SAID SPEED CONTROL MEMBER AND DIAPHRAGM APERTURE CONTROL MEMBER, SAID MEMBERS CAN BE ROTATED INDEPENDENTLY OF EACH OTHER SO AS TO BE ABLE TO SELECT, RESPECTIVELY, ANY PROPER DIAPHRAGM APERTURE AND ANY DESIRED EXPOSURE DURATION; THE IMPROVEMENT OF SAID CONNECTING MECHANISM WHICH COMPRISES, IN COMBINATION, A ROW OF TEETH FORMED IN THE EDGE OF SAID ANNULAR SHUTTER SPEED CONTROL MEMBER, AN ARM PROTRUDING FORWARD FROM THE OUTER EDGE OF SAID DIAPHRAGM APERTURE CONTROL MEMBER, A MASTER MEMBER MOUNTED ON SAID ARM SO AS TO BE SLIDABLE PARALLEL TO THE OPTICAL AXIS AND HAVING A LATCHING PAWL CAPABLE OF SE-
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