COVER FOR CRIME PREVENTION LENS, AND CRIME PREVENTION LENS USING THE COVER

摘要

PROBLEM TO BE SOLVED: To provide a cover for a crime prevention lens, and crime prevention lens using this cover, capable of coping with changes in social situations.;SOLUTION: This cover 1A for the crime prevention lens is mounted to a crime prevention lens A for a double door having a thickness for two-piece lens called a flash door and is composed of a cover piece 1a for covering an interior flange 20 of an outer cylinder 2 forming the crime prevention lens A and a mounting ring 1b for mounting the cover piece 1a. The cover piece 1a is rotatably mounted against the mounting ring 1b through respective connecting pieces 10a, 10b of the cover piece 1a and the mounting ring 1b.;COPYRIGHT: (C)2004,JPO