Drive motor for camera lens assembly

Details Drive motor for camera lens assembly Drive motor for camera lens assembly

1987-07-23

1989-05-09

Corbin, John K.

350429, 354400, G02B 702

Patent

active

048283606

ABSTRACT:
The coils of the stepping motor are disposed on the outer periphery of stepped section of a stationary tube section of the lens assembly in a manner to define a stator yoke. The inner surface of the stepped section is provided with a helicoid gear which cooperates with a corresponding gear formed on the outer periphery of the rotatable front tube section of the lens assembly. The rotor magnet is secured on the inner periphery of a rearwardly extending flange-like section which encloses the stator yoke.

REFERENCES:
patent: 4605286 (1986-08-01), Sumi
patent: 4682854 (1987-07-01), Hanamori et al.

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