Optical pickup head adjusting mechanism for optical disc drive

An adjusting mechanism for an optical disc drive, mounted to at least a rod end of a principal guide rod or a secondary guide rod respectively provided in the optical disc drive, the adjusting mechanism comprising:

• a guide rod abutting member having a first end fixedly attached on a chassis of the optical disc drive, and a second end forming a flexible pressing surface above the rod end;
• and
• a cam-shaped adjusting base fixedly mounted on the chassis below the rod end, the adjusting base having a helical and oblique surface and a rotating part positioned at an opposite side of the adjusting base from the helical and oblique surface, the rotating formed for receiving an adjusting tool for rotating the adjusting base;
• wherein the helical and oblique surface is placed below in contact with the rod end;
• wherein the rotating part has a reference mark fonned at a peripheral portion thereof for adjusting the adjusting base with the adjusting tool until the reference mark correspond to a reference point formed on the chassis;
• whereby an inclination of the principal guide rod or the secondary guide rod is adjusted by rotating the adjusting base.