Mirror surface angle adjusting device

A mirror surface angle adjusting device comprising:

• a bracket which is attached to a vehicle body;
• a holder which is attached to the bracket and which forms a housing space therebetween;
• a pivot plate which supports a mirror, which is fitted to the holder to be capable of three-dimensionally pivoting on a pivot section, and the holder being attached to the bracket;
• a mirror tilting drive section including a plurality of motors and gears which drives the mirror tilting drive section, which is contained between the bracket and the holder;
• an operation shaft of the mirror tilting drive section which penetrates through the holder and which is connected to the pivot plate;
• a pair of motor positioning ribs, including:
• a first motor positioning rib protruding from an inner wall of the holder and having a U-shaped portion configured to be fitted to an end on an output shaft side of the motors, and
• a second motor positioning rib protruding from the inner wall of the holder and having a U-shaped portion configured to be fitted to an end on an opposite side of the output shaft side of the motors,
• wherein the first motor positioning rib and the second motor positioning rib are aligned on a first direction;
• a plurality of gear positioning ribs which is annular shaped and is provided on the inner wall of the holder in an area on an extension of the first direction at a side closer to the first motor positioning rib;
• a pair of temporary motor positioning ribs protruding from an inner wall of the bracket and being aligned on a second direction which is perpendicular to the first direction;
• and
• a plurality of temporary gear positioning ribs which is annular shaped and is provided on an inner wall of the bracket.