Patent ID: 9213183
Filing Date: 2015-12-15
Classification: G02B,H04N

Abstract:
1. A mounting auxiliary member comprising: a rotary member provided in an optical scanning device configured to irradiate a laser beam on the basis of image data, interposed between a light source holding member holding a light source and a head part of a screw when a leading end part of the screw penetrating through the light source holding member is screwed to a screw hole perforated in a support member in order to support the light source holding member to the support member, and configured to have a first through hole through which a shaft part of the screw penetrates so as to co-rotate with the screw as the head part of the screw comes into contact with a peripheral edge part of the first through hole, and a stationary member interposed between the rotary member and light source holding member, and configured to have a second through hole into which the shaft part of the screw penetrating through the first through hole is movably inserted and to hold the rotary member while permitting the rotary member to slidably rotate.