Mechanism comprised of ultrasonic lead screw motor

Details Mechanism comprised of ultrasonic lead screw motor Mechanism comprised of ultrasonic lead screw motor

2007-12-18

2007-12-18

Budd, Mark (Department: 2834)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

C310S328000, C310S331000

Reexamination Certificate

active

11262137

ABSTRACT:
An optical assembly that contains an optical device movably attached to a apparatus for driving a threaded shaft assembly. The apparatus contains of a threaded shaft with an axis of rotation and, engaged therewith, a threaded nut. The assembly contains a device for subjecting the threaded nut to ultrasonic vibrations and thereby causing said the shaft to simultaneously rotate and translate in the axial direction.

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