Balance corrector for scanner motors and balance correcting meth

Details Balance corrector for scanner motors and balance correcting meth Balance corrector for scanner motors and balance correcting meth

1995-12-20

2000-11-14

Oda, Christine K.

Measuring and testing

Rotor unbalance

Gravitational moment tilts rotor about axis transverse to...

G01M 100

Patent

active

061453773

ABSTRACT:
The present invention is directed to a balance correcting method for scanning optical apparatus for deflection-scanning a light beam in such an arrangement that a drive motor is of an inner rotor type in which a rotary body having a drive magnet is disposed inside a stator and a rotary polygon mirror is mounted on the rotary body so as to enable deflection scanning of the light beam, wherein a mechanical part having the rotary body is arranged as separable from an electric circuit part having the stator, the mechanical part having the rotary body is separated from the electric circuit part upon balance correction, only the mechanical part is then mounted on a balance corrector, the mechanical part is rotated by a stator as a rotating device preliminarily provided in the balance corrector, and an amount of unbalance is measured and adjusted.

REFERENCES:
patent: 4060003 (1977-11-01), Bacsanyi et al.
patent: 5373391 (1994-12-01), Isobe et al.
patent: 5510664 (1996-04-01), Suzuki et al.
patent: 5532729 (1996-07-01), Nakasugi
Ptent Abstracts of Japan, vol. 013, No. 533, published on Nov. 28, 1989, English Abstract of Japan. Pat. No. 1-219,532.

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