Being the lightroom manipulation box of the film development

摘要

PROBLEM TO BE SOLVED: To provide a bright room operation box for a film developing device provided with a shutter door with operation holes which permit easy loading and taking a film into and out of the film developing device without requiring a margin for the upper space of the bright room operation box.;SOLUTION: The bright room operation box of the film developing device equipped with the shutter door covering a front aperture is equipped with flexible operation hole frames and arm covers fitted into the operation hole frames on the shutter door. The operation hole frame is formed of the configuration comprising an operation hole outer frame having a continuous surface, an operation hole inner frame having surfaces divided to 6 to 12 surfaces, an outer groove to be fitted to the shutter door on the outer side of the operation hole frame, an inner groove to be fitted with the holding ring of the arm cover and annular sections of a small thickness between the outer frame and inner frame of the operation hole frame and between the outer groove and the inner groove.;COPYRIGHT: (C)2004,JPO&NCIPI