Power source device, light scanning device and imaging device
A technology of optical scanning device and light source device, which is applied in the direction of optics, optical elements, electrical recording, etc., can solve problems such as deviation of screw fixing force, complex structure of light source device, deviation of light source installation position, etc., to simplify the maintenance structure and reduce Cost, low cost effect
Inactive Publication Date: 2014-08-06
RICOH KK
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Problems solved by technology
The structure of the light source device is complex, which is not conducive to a compact structure, and the deviation between the screw fixing forces makes the installation position of the light source deviate
In addition, the large number of components is also one of the reasons for the high cost.
In addition, the complex structure of the light source device or the large number of components will reduce the heat dissipation effect
Method used
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Embodiment Construction
[0041] Hereinafter, a light source device, an optical scanning device, and an imaging device of the present invention will be described with reference to the drawings.
[0042] light scanning device
[0043] Figure 1 to Figure 12 An embodiment of the light source device of the present invention is shown. first use figure 1 with figure 2 An example of the configuration of a light source unit that is a part of the light source device will be described. exist figure 1 with figure 2 The middle light source part is roughly divided into a plate-shaped metal base 101 , a light source 102 for emitting light beams, and a resin part 103 . The resin part 103 can be integrally formed with the metal base 101 by, for example, inserting. The metal base 101 is divided into an inner side and an outer side by the resin part 103 , wherein the inner side is a light emitting part mounting area 101 a where the light emitting part 102 is mounted, and the outer side is a supporting area 1...
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PROBLEM TO BE SOLVED: To provide a light source device, an optical scanning device and an image forming apparatus, of which structures are simplified, assemblies are facilitated, and the accuracy of the assemblies are improved. SOLUTION: The light source device includes: a light source holding member 201 which holds a light source part; a housing on which the light source holding member is attached. The light source part includes: a metal base 101; an emission source 102 which is mounted on the metal base; and a resin part 103 which is formed integrally with the metal base. The resin part separates the metal base into an emission-part-mounted region 101a and a support region 101b where the metal base is supported by the light source holding member. The light source holding member 201 has: a cylindrical press-fitting part; and a split groove in which the support region of the metal base fits in an axial direction of the cylindrical press-fitting part. In addition, the housing has a fitting hole in which the cylindrical press-fitting part of the light source holding member is rotatably fitted.
Description
technical field [0001] The present invention relates to a light source device used in image forming devices such as digital copiers, laser printers, and laser facsimile machines, as well as an optical scanning device and an image forming device using the light source device. Background technique [0002] Optical scanning devices widely used in digital copying, laser printers, etc. are generally composed of an optical deflector composed of a polygon mirror to deflect the light beam emitted by the light source device, and then use a scanning optical system such as an fθ lens to converge the deflected beam toward the scanned surface. The light beam forms a light spot on the surface to be scanned, and the light spot to be scanned is used to scan the surface to be scanned. This optical scanning is called main scanning, and scanning perpendicular to the main scanning direction is called sub scanning. The scanned surface is the photosensitive surface on the surface of the photocon...
Claims
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IPC IPC(8): G02B26/10G03G15/04
Inventor 土屋聪
Owner RICOH KK