OPTICAL SCANNER AND IMAGE FORMING APPARATUS
First Claim
1. An optical scanner comprising:
- a light reflecting section;
a movable plate provided to the light reflecting section;
four link sections connected to the movable plate; and
a supporting section supporting the four link sections,the four link sections are provided on an outer circumference of the movable plate at 90-degree intervals along a circumferential direction of the movable plate in an X-Y plane view,each link section includes;
a turnable drive section, anda shaft section which connects the movable plate and the turnable drive section, the shaft section being bendable and deformable in a thickness direction of the movable plate by turning the turnable drive section,the shaft section including a stress alleviating section, andthe stress alleviating section has a part which alternately extends and meanders in the X-axis direction and in the Y-axis direction.
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Accused Products
Abstract
An optical scanner includes: a light reflecting section having light reflectivity; a movable plate which includes the light reflecting section and can be displaced; four link sections connected to the movable plate; and a supporting section supporting the four link sections. The four link sections are provided on an outer circumference of the movable plate at 90-degree intervals along a circumferential direction of the movable plate in a plan view. Each link section includes a turnable drive section, and a shaft section which connects the movable plate and the drive section. The shaft section is bent and deformed in a thickness direction of the movable plate by turning the drive section.
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Citations
9 Claims
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1. An optical scanner comprising:
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a light reflecting section; a movable plate provided to the light reflecting section; four link sections connected to the movable plate; and a supporting section supporting the four link sections, the four link sections are provided on an outer circumference of the movable plate at 90-degree intervals along a circumferential direction of the movable plate in an X-Y plane view, each link section includes; a turnable drive section, and a shaft section which connects the movable plate and the turnable drive section, the shaft section being bendable and deformable in a thickness direction of the movable plate by turning the turnable drive section, the shaft section including a stress alleviating section, and the stress alleviating section has a part which alternately extends and meanders in the X-axis direction and in the Y-axis direction. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification