Feeder

Details Feeder Feeder

2006-01-03

2006-01-03

Leykin, Rita (Department: 2837)

Electricity: motive power systems

Positional servo systems

Program- or pattern-controlled systems

C318S560000, C901S019000, C901S023000, C700S185000

Reexamination Certificate

active

06982535

ABSTRACT:
In a feed drive apparatus wherein a moving element27is driven by drive legs21, 22having extension/contraction deforming parts23and shear deforming parts24, sine wave drive voltages are respectively applied to the extension/contraction deforming parts23and shear deforming parts24of the drive legs21, 22in order to permit high speed operation, and make the average voltage effectively zero.

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