OPTICAL SCANNER AND IMAGE FORMING APPARATUS
First Claim
1. An optical scanner comprising:
- a light reflecting section having a light reflecting surface;
a supporting section supporting the light reflecting section;
a movable section that supports the supporting section and can turn about a rotation center axis;
at least a pair of movable beams extending from the movable section and disposed in such a way that the movable beams face each other with the movable section interposed therebetween;
a displacement section connected to the movable beam on the side opposite from the movable section;
a driving section driving the displacement section;
two drive beams each extending from the displacement section in a direction along the light reflecting surface and perpendicular to a direction in which the movable beam extends; and
a supporting frame supporting the drive beams,whereinthe movable beams each include a bending section which is bent and deformed in a thickness direction of the supporting frame by displacement of the displacement section, andan end on the side of the movable section of the supporting section is fixed in a position more distant from the light reflecting section than an end face on the side of the light reflecting section of the movable section.
1 Assignment
0 Petitions
Accused Products
Abstract
An optical scanner includes: a light reflecting section having a light reflecting surface; a supporting section supporting the light reflecting section; a movable section supporting the supporting section; at least a pair of movable beams extending from the movable section and disposed in such a way that the movable beams face each other; a displacement section connected to the movable beam; two drive beams each extending from the displacement section; and a supporting frame supporting the drive beams, wherein the movable beams each include a bending section which is bent and deformed in a thickness direction of the supporting frame, and an end on the side of the movable section of the supporting section is fixed in a position more distant from the light reflecting section than an end face on the side of the light reflecting section of the movable section.
18 Citations
8 Claims
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1. An optical scanner comprising:
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a light reflecting section having a light reflecting surface; a supporting section supporting the light reflecting section; a movable section that supports the supporting section and can turn about a rotation center axis; at least a pair of movable beams extending from the movable section and disposed in such a way that the movable beams face each other with the movable section interposed therebetween; a displacement section connected to the movable beam on the side opposite from the movable section; a driving section driving the displacement section; two drive beams each extending from the displacement section in a direction along the light reflecting surface and perpendicular to a direction in which the movable beam extends; and a supporting frame supporting the drive beams, wherein the movable beams each include a bending section which is bent and deformed in a thickness direction of the supporting frame by displacement of the displacement section, and an end on the side of the movable section of the supporting section is fixed in a position more distant from the light reflecting section than an end face on the side of the light reflecting section of the movable section. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An image forming apparatus comprising:
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a light source; and an optical scanner scanning a light from the light source, wherein the optical scanner includes a light reflecting section having a light reflecting surface, a supporting section supporting the light reflecting section, a movable section that supports the supporting section and can turn about a rotation center axis, at least a pair of movable beams extending from the movable section and disposed in such a way that the movable beams face each other with the movable section interposed therebetween, a displacement section connected to the movable beam on the side opposite from the movable section, a driving section driving the displacement section, two drive beams each extending from the displacement section in a direction along the light reflecting surface and perpendicular to a direction in which the movable beam extends, and a supporting frame supporting the drive beams, the movable beams each include a bending section which is bent and deformed in a thickness direction of the supporting frame by displacement of the displacement section, and an end on the side of the movable section of the supporting section is fixed in a position more distant from the light reflecting section than an end face on the side of the light reflecting section of the movable section.
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Specification