Patent ID: 7127730

Claim:
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.