Spindle motor

Details Spindle motor Spindle motor

1994-10-25

1999-02-09

Nguyen, Matthew V.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 67R, 369263, H02K 516

Patent

active

RE0360864

ABSTRACT:
A spindle motor having a shaft member secured to a fitting member, a rotary member which is rotatable relatively to the shaft member, a rotor magnet fitted to the rotary member in such a manner that the rotor magnet confronts the rotor magnet and a stator, wherein a pair of inner annular grooves are formed in the shaft member, a pair of outer annular grooves are formed in the rotary member and a plurality of ball members are accommodated in ball-accommodating space defined by these annular grooves. A spindle motor having a fitting member having a hollow cylindrical portion, a shaft member which is rotatable relatively to the fitting member, a rotary member secured to the shaft member, a rotor magnet fitted to the rotary member and a stator disposed in such a manner that the stator confronts the rotor magnet, wherein a pair of inner annular grooves are formed in the shaft member, a pair of outer annular grooves are formed in the inner surface of the cylindrical portion and a plurality of ball members are accommodated in a ball-accommodating space defined by these annular grooves.

REFERENCES:
patent: 4701651 (1987-10-01), Tanaka
patent: 4713704 (1987-12-01), Voll et al.
patent: 4858044 (1989-08-01), Gapo
patent: 4900958 (1990-02-01), Kitahara et al.
patent: 5045738 (1991-09-01), Hishida et al.
patent: 5057731 (1991-10-01), Hancock
patent: 5061868 (1991-10-01), Iwazaki et al.

Affiliated with

Also associated with

Rating

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

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1942248