Carriage driving apparatus

Details Carriage driving apparatus Carriage driving apparatus

1991-03-06

1992-07-28

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Linear

310 12, H02K 4100

Patent

active

051343258

ABSTRACT:
A carriage driving apparatus includes a voice coil type linear DC motor having a center pole, side yokes arranged on both sides of the center pole, permanent magnets respectively fixed to the side yokes to oppose the center pole, and a movable coil which has a carriage fixed thereto and can be moved forward or backward by an electromagnetic effect based on a magnetic field generated by the permanent magnets. Guide shafts are arranged on the side yokes and extending in a direction in which the carriage is moved, for supporting the carriage.

REFERENCES:
patent: 4427905 (1984-01-01), Sutton
patent: 4571649 (1986-02-01), Goss
patent: 4740946 (1988-04-01), Yumura et al.
patent: 4745503 (1988-05-01), Muraoka et al.
patent: 4794287 (1988-12-01), Hyuga et al.

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