Patent ID: 6905247
Filing Date: 2005-06-14
Classification: F16C,H02K

Abstract:
1. A fluid bearing comprising: a cylindrical-shaped first hole of which at one end is open and the other end is closed, the first hole being formed in a cylindrical bearing housing of said fluid bearing which comprises a predetermined length of cylindrical metal rod; a cylindrical-shaped second hole of which at one end is open and the other end is closed, the second hole being formed in the bearing housing of said fluid bearing to be in parallel relation with the central axis of the first hole, and the second hole having a predetermined depth that is substantially the same as that of the first hole; and a plurality of ring-shaped grooves being formed at an inner surface of the second hole, the ring-shaped grooves being in communication with the first hole and being sized to fit within an outside diameter of the first hole centering around the central axis of the second hole.