Pivot bearing

Details Pivot bearing Pivot bearing

1995-05-22

1998-11-10

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

G11B 555, G11B 2108

Patent

active

058353097

ABSTRACT:
A bearing design for a rotatable assembly includes two freely rotating balls mounted on the axis of rotation of the assembly and axially separated, one near each axial end of the assembly. Each ball is confined by a moving concave (preferably conical or frustro-conical) bearing surface of the rotatable assembly and a corresponding fixed concave bearing surface of a mounting attached to a frame, housing, or similar non-rotating structure. One of the fixed mountings is preferably attached to a compressible spring to provide a controlled axial pre-load to the assembly. The balls are substantially enclosed and lubricant provided in the enclosed cavity. In the preferred embodiment, the rotatable assembly is a rotary actuator assembly of a disk drive. Compared to conventional ball bearing designs, the present design reduces the number of parts and volume of space occupied by the bearings, reduces hysteresis, and improves shock resistance.

REFERENCES:
patent: 5430590 (1995-07-01), Ainslie et al.

Affiliated with

Also associated with

Rating

Pivot bearing does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Pivot bearing, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pivot bearing will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1523046