Mechanism comprised of ultrasonic lead screw motor
First Claim
1. An optical assembly comprised of an optical device movably attached to an apparatus for driving a threaded shaft assembly, wherein said apparatus is comprised of a threaded shaft with an axis of rotation and, engaged therewith, a threaded nut, wherein said assembly comprises means for subjecting said threaded nut to ultrasonic vibrations and thereby causing said threaded shaft to simultaneously rotate and translate in the axial direction.
2 Assignments
0 Petitions
Accused Products
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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Citations
20 Claims
- 1. An optical assembly comprised of an optical device movably attached to an apparatus for driving a threaded shaft assembly, wherein said apparatus is comprised of a threaded shaft with an axis of rotation and, engaged therewith, a threaded nut, wherein said assembly comprises means for subjecting said threaded nut to ultrasonic vibrations and thereby causing said threaded shaft to simultaneously rotate and translate in the axial direction.
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17. A camera comprised of a first optical assembly, a second optical assembly, and a focal plane imaging device, wherein:
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(a) said first optical assembly is comprised of a first optical device movably attached to a first apparatus for driving a first threaded shaft assembly, wherein said first apparatus is comprised of a first threaded shaft with a first axis of rotation and, engaged therewith, a first threaded nut, wherein said first assembly comprises first means for subjecting said first threaded nut to ultrasonic vibrations and thereby causing said first threaded shaft to simultaneously rotate and translate in the axial direction, (b) said second optical assembly is comprised of a second optical device movably attached to a second apparatus for driving a second threaded shaft assembly, wherein said second apparatus is comprised of a second threaded shaft with a second axis of rotation and, engaged therewith, a second threaded nut, wherein said second assembly comprises second means for subjecting said second threaded nut to ultrasonic vibrations and thereby causing said second threaded shaft to simultaneously rotate and translate in the axial direction; and (c) said focal plane imaging device is optically connected to said first optical assembly and said second optical assembly. - View Dependent Claims (18, 19)
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Specification