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US 5,357,164 AGranted
Ultrasonic motor
AssigneeOlympus Optical Co., Ltd.
InventorsHiroyuki Imabayashi, Takanao Fujimura, Tomoki Funakubo
Life of this patent
Estimating the term…
Abstract
An ultrasonic motor characterized by comprising: an ultrasonic oscillator for generating ultrasonic oscillation on a specific surface; a movable body pressure-bonded to a specific surface of the ultrasonic oscillator for moving the movable body by the ultrasonic oscillator in a given direction by ultrasonic oscillation; and a sliding element provided on one of a contact surface of the ultrasonic oscillator and a contact surface of the movable body and having a porous oxide coating in which hydrators are formed to substantially fill small holes in the oxide coating.
Claims16
An ultrasonic motor characterized by comprising:
- an ultrasonic oscillator for generating ultrasonic oscillation on a specific surface;
- a movable body pressure-bonded to the specific surface of said ultrasonic oscillator for moving said body in a desired direction by said ultrasonic oscillation;
- and
- a sliding element provided on one of a contact surface of said ultrasonic oscillator and a contact surface of said movable body said sliding element comprising a porous oxide coating having small holes in which hydrators are formed which substantially entirely fill said small holes in the porous oxide coating, and which do not physically change the structure of the porous oxide coating.
1 more element
An ultrasonic motor characterized by comprising:
- an ultrasonic oscillator for generating ultrasonic oscillation on a specific surface;
- a movable body pressure-bonded to the specific surface of said ultrasonic oscillator for moving said movable body in a desired direction by said ultrasonic oscillation;
- and
- a sliding element provided on one of a contact surface of said ultrasonic oscillator and a contact surface of said movable body. Said sliding element comprising a porous oxide coating in which hydrators are formed to substantially fill small holes in the porous oxide coating;
- and
- chamfering in the form of curved surface configuration being applied to a corner of one of the contact surfaces.
3 more elements
An ultrasonic motor characterized by comprising:
- an ultrasonic oscillator for generating ultrasonic oscillation on a specific surface;
- a movable body pressure-bonded to the specific surface of said ultrasonic oscillator for moving said movable body a desired direction by said ultrasonic oscillation;
- and
- a sliding element provided on one of a contact surface of said ultrasonic oscillator and a contact surface of said movable body said sliding element comprising a porous oxide coating in which hydrators are formed to substantially fill small holes in the porous oxide coating;
- and
- said hydrators being filled respectively formed to fill said small holes in the porous oxide coating by steam sealing.
3 more elements
An ultrasonic motor characterized by comprising:
- an ultrasonic oscillator for generating ultrasonic oscillation on a specific surface;
- a movable body pressure-bonded to the specific surface of said ultrasonic oscillator for moving said movable body in a desired direction by said ultrasonic oscillation;
- and
- a sliding element provided on one of a contact surface of said ultrasonic oscillator and a contact surface of said movable body said sliding element comprising a porous oxide coating in which hydrators are formed to substantially fill small holes in the porous oxide coating;
- and
2 more elements
An ultrasonic motor characterized by comprising:
- an ultrasonic oscillator for generating ultrasonic oscillation on a specific surface;
- a movable body pressure-bonded to the specific surface of said ultrasonic oscillator for moving said movable desired direction by said ultrasonic oscillation;
- and
- a sliding element provided on one of a contact surface of said ultrasonic oscillator and a contact surface of said movable body said Sliding element comprising a porous oxide coating in which hydrators are formed to substantially fill holes in the porous oxide coating;
- and
2 more elements
An ultrasonic motor characterized by comprising:
- an ultrasonic oscillator for generating ultrasonic oscillation on a specific surface;
- a movable body pressure-bonded to the specific surface of said ultrasonic oscillator for moving said movable body in a desired direction by said ultrasonic oscillation;
- and
- a sliding element provided On one of a contact surface of said ultrasonic oscillator and a contact surface of said movable body said sliding element comprising a porous oxide coating in which hydrators are formed to substantially fill small holes in the porous oxide coating;
- and
- said porous oxide coating is alumite phosphate.
3 more elements
An ultrasonic motor characterized by comprising:
- an ultrasonic oscillator for generating ultrasonic oscillation on a specific surface;
- a movable body pressure-bonded to the specific surface of said ultrasonic oscillator for moving said movable body in a desired direction by said ultrasonic oscillation;
- and
- a sliding element provided on one of a contact surface of said ultrasonic oscillator and a contact surface of said movable body said sliding element comprising a porous oxide coating in which hydrators are formed to substantially fill small holes in the porous oxide coating;
- and
2 more elements
An ultrasonic motor characterized by comprising:
- an ultrasonic oscillator for generating ultrasonic oscillation on a specific surface;
- a movable body pressure-bonded to the specific surface of said ultrasonic oscillator for moving said movable desired direction by said ultrasonic oscillation;
- and
- a sliding element provided on one of a contact surface of said ultrasonic oscillator and a contact surface movable body said sliding element comprising a porous oxide coating in which hydrators are formed to substantially fill small holes in the porous oxide coating;
- and
- at least one of the contact surfaces having a curved corner, said sliding element having a thickness at least twice as great as the radius of curvature of said curved corner.
3 more elements
Dependencies are inferred from the claim text.