# US 2021/0341822 A1 · Biaxial tilting device, camera device, and electronic apparatus

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- Number: US 2021/0341822 A1
- Document ID: US20210341822A1
- Status: Published application
- Kind: A1
- Application number: 17/208,101
- Filed: 2021-03-22
- Published: 2021-11-04
- Earliest claimed: 2020-04-30
- Assignees: New Shicoh Motor Co., Ltd.
- Applicants: New Shicoh Motor Co., Ltd.
- Inventors: Kokichi Terajima
- Web page: https://patentgrep.com/patent/US20210341822A1

## CPC

- G03B 17/561: {Support related camera accessories}
- F16M 11/123: {the axis of rotation intersecting in a single point, e.g. by using gimbals}
- F16M 11/14: with ball-joint (ball-jointed hinges F16C11/06 {; adjustable mountings employing universal joints for lighting devices F21V21/26 - F21V21/30})
- F16M 11/2085: {comprising means allowing sideward adjustment, i.e. left-right translation of the head relatively to the undercarriage}
- F16M 11/2092: {comprising means allowing depth adjustment, i.e. forward-backward translation of the head relatively to the undercarriage}
- G02B 7/005: {Motorised alignment}
- G02B 27/646: {compensating for small deviations, e.g. due to vibration or shake (movement of one or more optical elements for control of motion blur in cameras, projectors or printers G03B2205/0007; image stabilisation in cameras peculiar to the presence or use of an electronic image sensor H04N23/68)}
- G03B: APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR (optical parts of such apparatus G02B; photosensitive materials or processes for photographic purposes G03C; apparatus for processing exposed photographic materials G03D)
- F16M: FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS

## Abstract

A biaxial tilting device includes: a frame body; and a tilting and driving mechanism configured to drive a member to be tilted so as to be tilted in the frame body, wherein, in an XYZ orthogonal coordinate system, the frame body includes a first gimbal frame opposed to two of the side surfaces of the member to be tilted, each extending in a Y-Z plane direction, and a second gimbal frame opposed to other two of the side surfaces of the member to be tilted, each extending in an X-Z plane direction, and wherein the first gimbal frame is coupled to an external member, the second gimbal frame is coupled to the member to be tilted in a tillable manner, and the first gimbal frame and the second gimbal frame are coupled to each other in a tiltable manner.

## Claims

### Claim 1

A biaxial tilting device, comprising:
a frame body provided to be opposed to side surfaces of a member to be tilted across a space; and
a tilting and driving mechanism configured to drive the member to be tilted so as to be tilted,
wherein, in an XYZ orthogonal coordinate system, the frame body includes:
a first gimbal frame opposed to two of the side surfaces of the member to be tilted, each extending in a Y-Z plane direction; and
a second gimbal frame opposed to other two of the side surfaces of the member to be tilted, each extending in an X-Z plane direction, and
wherein the first gimbal frame is coupled to an external member, the second gimbal frame is coupled to the member to be tilted in such a manner as to be tiltable, and the first gimbal frame and the second gimbal frame are coupled to each other in such a manner as to be tiltable.

### Claim 2 (depends on 1)

The biaxial tilting device according to claim 1,
wherein the second gimbal frame is coupled to the first gimbal frame through intermediation of first gimbal shafts, each extending along a Y-axis direction, so that the second gimbal frame is tillable about the first gimbal shafts, and
wherein the other two side surfaces of the member to be tilted are connected to the second gimbal frame through intermediation of second gimbal shafts, each extending along an X-axis direction, so that the member to be tilted is tiltable about the second gimbal shafts.

### Claim 3 (depends on 2)

The biaxial tilting device according to claim 2,
wherein each of the first gimbal frame and the second gimbal frame has an oblong shape having long sides and short sides when viewed in the Z-axis direction,
wherein the long sides of the second gimbal frame are located on an inner side of the short sides of the first gimbal frame,
wherein the long sides of the first gimbal frame are located on an inner side of the short sides of the second frame, and
wherein inner surfaces of the frame body, which correspond to the long sides of the first gimbal frame and the long sides of the second gimbal frame, are directly opposed to the side surfaces of the member to be tilted.

### Claim 4 (depends on 3)

The biaxial tilting device according to claim 3,
wherein each of the first gimbal frame and the second gimbal frame has cutout portions formed in corners of the oblong shape, and
wherein the second gimbal frame is arranged so as to be inverted by 180 degrees about the X axis or the Y axis and is rotated by 90 degrees about the Z axis from an arrangement in which the second gimbal frame is arranged to be directed in the same direction as a direction in which the first gimbal frame is directed, and is then placed on and combined with the first gimbal frame in such a manner that the cutout portions of the second gimbal frame overlap with the corresponding cutout portions of the first gimbal frame.

### Claim 5 (depends on 1)

The biaxial tilting device according to claim 1, wherein one of a magnet and a coil, which serves as the tilting and driving mechanism, is arranged on each of the side surfaces of the member to be tilted, and another one of the magnet and the coil is arranged on each of inner surfaces of the frame body including the first gimbal frame and the second gimbal frame, which are directly opposed to the side surfaces of the member to be tilted.

### Claim 6 (depends on 2)

The biaxial tilting device according to claim 2, wherein one of a magnet and a coil, which serves as the tilting and driving mechanism, is arranged on each of the side surfaces of the member to be tilted, and another one of the magnet and the coil is arranged on each of inner surfaces of the frame body including the first gimbal frame and the second gimbal frame, which are directly opposed to the side surfaces of the member to be tilted.

### Claim 7 (depends on 3)

The biaxial tilting device according to claim 3, wherein one of a magnet and a coil, which serves as the tilting and driving mechanism, is arranged on each of the side surfaces of the member to be tilted, and another one of the magnet and the coil is arranged on each of inner surfaces of the frame body including the first gimbal frame and the second gimbal frame, which are directly opposed to the side surfaces of the member to be tilted.

### Claim 8 (depends on 4)

The biaxial tilting device according to claim 4, wherein one of a magnet and a coil, which serves as the tilting and driving mechanism, is arranged on each of the side surfaces of the member to be tilted, and another one of the magnet and the coil is arranged on each of inner surfaces of the frame body including the first gimbal frame and the second gimbal frame, which are directly opposed to the side surfaces of the member to be tilted.

### Claim 9 (depends on 5)

The biaxial tilting device according to claim 5, further comprising a turning mechanism configured to pivot the first gimbal frame around the Z axis.

### Claim 10 (depends on 6)

The biaxial tilting device according to claim 6, further comprising a turning mechanism configured to pivot the first gimbal frame around the Z axis.

### Claim 11 (depends on 7)

The biaxial tilting device according to claim 7, further comprising a turning mechanism configured to pivot the first gimbal frame around the Z axis.

### Claim 12 (depends on 8)

The biaxial tilting device according to claim 8, further comprising a turning mechanism configured to pivot the first gimbal frame around the Z axis.

### Claim 13 (depends on 9)

The biaxial tilting device according to claim 9, wherein the turning mechanism includes a shaft member, which extends in the Z-axis direction, and is configured to support the first gimbal frame, and a bearing configured to support the shaft member.

### Claim 14 (depends on 10)

The biaxial tilting device according to claim 10, wherein the turning mechanism includes a shaft member, which extends in the Z-axis direction, and is configured to support the first gimbal frame, and a bearing configured to support the shaft member.

### Claim 15 (depends on 11)

The biaxial tilting device according to claim 11, wherein the turning mechanism includes a shaft member, which extends in the Z-axis direction, and is configured to support the first gimbal frame, and a bearing configured to support the shaft member.

### Claim 16 (depends on 12)

The biaxial tilting device according to claim 12, wherein the turning mechanism includes a shaft member, which extends in the Z-axis direction, and is configured to support the first gimbal frame, and a bearing configured to support the shaft member.

### Claim 17 (depends on 1)

A camera device, comprising:
a camera unit corresponding to the member to be tilted; and
the biaxial tilting device of claim 1.

### Claim 18 (depends on 17)

An electronic apparatus, comprising the camera device of claim 17.