# US 2020/0403533 A1 · Vibration type motor, optical apparatus, and driving apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2020/0403533 A1 - Document ID: US20200403533A1 - Status: Published application - Kind: A1 - Application number: 16/909,087 - Filed: 2020-06-23 - Published: 2020-12-24 - Earliest claimed: 2019-06-24 - Assignees: Canon Kabushiki Kaisha - Applicants: Canon Kabushiki Kaisha - Inventors: Kazuharu Osawa - Web page: https://patentgrep.com/patent/US20200403533A1 ## CPC - H02N 2/0055: {Supports for driving or driven bodies; Means for pressing driving body against driven body} - B06B 1/0648: {of rectangular shape} - G02B 7/08: adapted to co-operate with a remote control mechanism - H02N 2/0015: {using only bending modes} - H02N 2/004: {Rectangular vibrators} - H02N 2/026: {by pressing one or more vibrators against the driven body} - H02N: ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR - B06B: METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, {e.g.} FOR PERFORMING MECHANICAL WORK IN GENERAL (for particular applications, see the relevant subclasses, e.g. B07B1/40, B23Q17/12, B24B31/06; measurement of mechanical vibrations G01H; in direction finding, locating, distance or velocity measuring G01S; {generating seismic energy G01V1/02}; control of mechanical vibrations in general G05D; sound-producing devices, e.g. bells, sirens, whistles G10K, {e.g. methods or devices for transmitting, conducting, or directing sound in general G10K11/00}; generation of electrical oscillations H03B; electromechanical resonators in general H03H; electromechanical transducers {for communication techniques, e.g. microphones, speakers} H04R) - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS ## Abstract A vibration type motor relatively moves in a first direction a vibrator whose vibration is excited by an electromechanical energy conversion element and a contact member configured to contact the vibrator and includes a vibrator holder configured to hold the vibrator, a holding mechanism configured to hold the vibrator holder so as to restrict a displacement of the vibrator holder in the first direction and to enable the vibrator holder to be displaced in a direction orthogonal to the first direction, a press mechanism configured to press the vibrator against the contact member in the second direction, and a damper configured to contact a plurality of components among the vibrator holder, components of the holding mechanism, and components of the press mechanism. ## Claims ### Claim 1 A vibration type motor configured to relatively move in a first direction a vibrator whose vibration is excited by an electromechanical energy conversion element and a contact member configured to contact the vibrator, the vibration type motor comprising: a vibrator holder configured to hold the vibrator; a holding mechanism configured to hold the vibrator holder so as to restrict a displacement of the vibrator holder in the first direction and to enable the vibrator holder to be displaced in a direction orthogonal to the first direction; a press mechanism configured to press the vibrator against the contact member in the second direction; and a damper configured to contact a plurality of components among the vibrator holder, components of the holding mechanism, and components of the press mechanism. ### Claim 2 (depends on 1) The vibration type motor according to claim 1, wherein the damper attenuates the vibration in the second direction, which is generated in the vibrator holder and the components when the vibration is excited in the vibrator. ### Claim 3 (depends on 1) The vibration type motor according to claim 1, wherein the damper attenuates a resonance generated between the vibrator and the vibrator holder when the vibration is excited in the vibrator. ### Claim 4 (depends on 3) The vibration type motor according to claim 3, wherein the resonance has a resonance frequency of 20 kHz or less ### Claim 5 (depends on 1) The vibration type motor according to claim 1, wherein the damper contacts the vibrator holder and the components. ### Claim 6 (depends on 1) The vibration type motor according to claim 1, wherein the components which the damper contacts include a member configured to displace relative to the vibrator holder in the second direction. ### Claim 7 (depends on 6) The vibration type motor according to claim 6, wherein the components which the damper contacts include a member configured to displace relative to the vibrator holder in the second direction and to contact the vibrator holder. ### Claim 8 (depends on 1) The vibration type motor according to claim 1, wherein a plurality of contact areas where the damper and the plurality of components contact each other do not overlap each other when viewed from the second direction. ### Claim 9 (depends on 1) The vibration type motor according to claim 1, wherein a plurality of contact areas where the damper and the plurality of components contact each other includes parts that do not overlap each other when viewed from the second direction. ### Claim 10 (depends on 1) The vibratory motor according to claim 1, wherein the damper is provided so as to contact an exposed area when viewed from the second direction in the plurality of components. ### Claim 11 An optical apparatus comprising: a vibration type motor configured to relatively move in a first direction a vibrator whose vibration is excited by an electromechanical energy conversion element and a contact member configured to contact the vibrator; and an optical element driven by a driving force generated by the vibration type motor, wherein the vibration type motor includes: a vibrator holder configured to hold the vibrator; a holding mechanism configured to hold the vibrator holder so as to restrict a displacement of the vibrator holder in the first direction and to enable the vibrator holder to be displaced in a direction orthogonal to the first direction; a press mechanism configured to press the vibrator against the contact member in the second direction; and a damper configured to contact a plurality of components among the vibrator holder, components of the holding mechanism, and components of the press mechanism. ### Claim 12 A driving apparatus comprising: a vibration type motor configured to relatively move in a first direction a vibrator whose vibration is excited by an electromechanical energy conversion element and a contact member configured to contact the vibrator; and a driven member driven by a driving force generated by the vibration type motor, wherein the vibration type motor includes: a vibrator holder configured to hold the vibrator; a holding mechanism configured to hold the vibrator holder so as to restrict a displacement of the vibrator holder in the first direction and to enable the vibrator holder to be displaced in a direction orthogonal to the first direction; a press mechanism configured to press the vibrator against the contact member in the second direction; and a damper configured to contact a plurality of components among the vibrator holder, components of the holding mechanism, and components of the press mechanism.