JPH0619250Y2 - Image information input device - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an image information input device, and more particularly to an image information input device for inputting image information by manually scanning an information medium to be input.

2. Description of the Related Art Generally, so-called image scanners, bar code readers and the like are known as image information input devices for inputting image information by optical means and supplying the image information to personal computers, word processors and the like.

However, the image information input device is a stationary type in the case of an image scanner, and because of its structure, it is necessary to represent the image information to be input on one sheet of paper and insert it into the image scanner, so that a book etc. However, there is a problem that the input processing cannot be directly performed on a thick object.

Therefore, the present applicant previously proposed Japanese Patent Application No. 61-176299 "Image Information Input Device" in order to solve the above problems.

Problems to be Solved by the Invention According to the above-mentioned "image information input device", the image information input device itself is a handy type, and the image information is sequentially input by placing the image information input device on a portion where information is to be input and moving the same. You can

However, in this "image information input device", since the opening is simply formed at the roller arrangement position of the case, there is a problem that dust enters the case through the opening as the roller rotates. was there. A light source such as a light emitting diode and a mirror as an optical path changing unit are arranged near the opening, and dust that has entered through the opening adheres to the light emitting diode, the mirror, the lens, etc., and is generated by the image sensor. There is a problem that the image data signal to be deteriorated is deteriorated and the durability of parts is deteriorated.

The present invention has been made in view of the above points, and realizes good image input by preventing the intrusion of dust, and is also miniaturized and improved in detachability of the rotating member. The purpose is to provide.

Means and Actions for Solving Problems In order to solve the above-mentioned problems, in the present invention, the image information to be input is pressed against an information medium and the relative displacement speed with the information medium is measured. An image that generates an image data signal from a rotating member that rotates by a light source and light reflected from the light source toward the information medium through an opening formed in the case, and reflected light including image information that enters through the opening. In an image information input device provided with a reading means and a rotation detecting means for detecting the rotation of the rotating member, the image information input device is integrally formed as a recess on the inner side of the case,
A rotary member accommodating recess for shielding the rotary member from the internal space of the case; insertion holes formed at positions on both sides in the longitudinal direction of the rotary member accommodating recess and having a structure opening toward the outside of the case; The rotary member is arranged on both sides of the supporting shaft of the member, and is fitted into the fitting hole from the outside of the case, so that the rotary member is rotatably housed in the rotary member housing concave portion with a part thereof protruding from the bottom surface of the case. It is characterized in that it is configured to include a bearing member.

In the above configuration, the rotary member is housed in the rotary member housing recess, so that the rotary member is shielded from the internal space of the case, and thus dust can be prevented from entering the case.

Further, since the rotating member is housed in the rotating member housing recess with a part of the rotating member protruding from the bottom surface of the case, the rotating member is provided outside the case in order to prevent dust from entering. The thickness can be reduced.

Further, the bearing member for housing the rotary member in the rotary member housing recess can be inserted into the fitting hole from the outside of the case, so that the rotary member can be attached / detached to / from the case from the outside. Since the rotating member can be attached / detached without separating the case, it is possible to easily attach / detach the rotating member.

Embodiment An embodiment of the image information input device according to the present invention will be described with reference to the drawings. FIG. 1 is an exploded perspective view of an image information input device 1 (hereinafter simply referred to as an input device) according to the present invention. The input device 1 shown in FIG. 1 is roughly composed of a case 2, a substrate 3, a rotation detecting means 4, a light emitting section 5, a roller 6, a lens 7,
It is composed of a one-dimensional image sensor 8 and the like.

The case 2 is composed of an upper case 2a and a lower case 2b, and an opening 9 is formed at the front bottom of the lower case 2b. The bearing support 1 is provided on both side edges of the opening 9 in the longitudinal direction.
0a, 10b are integrally formed with the lower case 2b, and the bearing portions 12a, 11a for bearing the roller 6 are fitted in the fitting holes 11a, 11b formed in the bearing supporting portions 10a, 10b.
12b is inserted. The opening 9 is in a state in which the roller 6 is attached, and forms an elongated opening 9a (detailed in FIG. 2). The opening 9a is where the light emitted by the light emitting unit 5 and the reflected light from the information medium pass. A dustproof cover 13 made of transparent acrylic resin is attached to the opening 9a. The dustproof cover 13 is the collar portion 1.
3a and a mounting claw 13b, the flange 13a is engaged with the peripheral edge of the long side of the opening 13a, and the mounting claw 13b is engaged with the bearing supports 10a, 10b to be mounted on the lower case 2b. . In the mounted state, the dustproof cover 13 is configured to be slightly recessed from the lower surface 2b- _{1 of the} lower case. Therefore, when the case 2 is displaced on the information medium, the dust cover 13 and the information medium do not engage with each other, and a smooth input operation can be performed.

By providing the dustproof cover 13, the portion of the case 2 that is open to the outside is small, and it is possible to reliably prevent dust from entering the case 2. Particularly, the opening 9a has a lower surface 2b-of the lower case 2a where dust easily enters.
_Since it is formed in _{No. 1} , the effect of the dustproof cover 13 is great. As a result, dust does not adhere to the light emitting unit 5 arranged near the opening 9a and the mirror 30 described later, and good image input can be maintained forever and the durability of each component can be improved. In addition, it is possible to prevent malfunction of the electronic circuit.

Further, the roller 6 is attached to the lower case 2b as will be described later, but it is conceivable that dust may enter the case 2 through a gap formed between the roller 6 and the opening 9. Therefore, in the lower case 2b, a roller housing recess 2b- ₃ for shielding the roller 6 from the internal space of the case 2 is formed so as to be recessed toward the inner side of the case 2 and integrated with the case 2. By providing this roller storage recess 2b- ₃ , the portion of the case 2 that is open to the outside can be completely eliminated, and the intrusion of dust can be more reliably prevented.

In particular, since the roller 6 is made of rubber, dust is likely to adhere thereto. Therefore, when the input device 1 is scanned to rotate the roller 6, the rotational force of the roller 6 causes the dust to enter the case 2. However, since the roller 6 is shielded from the inner space of the case 2 by the roller housing recess 2b- ₃ as described above, dust does not enter the case 2. Therefore, even with this roller storage recess 2b- ₃ ,
Dust will not adhere to the light emitting unit 5, the lens 7 and the mirror 30 described later, and good image input and improved durability can be achieved.

Further, as a means for preventing dust from entering the case 2 due to the rotation of the roller 6, it is conceivable that the roller 6 is separated from the case 2 and is configured separately from the case 2. Specifically, a configuration is possible in which a roller case is provided separately from a case in which an optical system and the like are provided, and the rollers are housed in the roller case.

However, with this configuration, although it is possible to reliably prevent dust from entering the case in which the optical system or the like that dislikes dust is disposed, the overall size of the device increases. When the entire device becomes large, it becomes difficult to hold it by hand, and the operability is significantly reduced.

On the other hand, in the configuration of the present application in which the roller 6 is provided in the case 2 and the intrusion of dust is prevented by the roller storage recess 2b- ₃ , the device 1 is downsized and the intrusion of dust into the case 2 is prevented. Can be realized together.

Further, a mounting base 14 formed with a V-shaped groove 14a on which the lens 7 is mounted and mounted is formed at a central position behind the lower case 2b.
Are integrally formed.

The electronic component 15 is attached to the upper portion of the substrate 3, and the portion corresponding to the attachment position of the lens 7 is notched to have a substantially U-shape. A rotation detecting means 4 for detecting rotation of the roller 6 is provided at a front corner of the substrate 3.

The rotation detecting means 4 includes a holder portion 16, a gear 17, a rotary encoder 18, and the like. The holder part 16 is formed by integrally molding synthetic resin, and the gear 17 is supported by its supporting shaft 19, and the rotary encoder 18 is supported by its supporting shaft 20 by the bearing parts 21a and 21b. It is attached to 16. The rotary encoder 18 is provided with a gear portion 18b. Here, FIG. 3 shows how the rotary encoder 18 is supported by the holder portion 16. The rotary encoder 18 includes shaft support grooves 16a, 16b formed in the wall portion of the holder portion 16.
And bearing parts 21a, 2 formed integrally with the holder part 16
It is supported by 1b. When mounting the rotary encoder 18, the bearings 21a and 21b are flexed in the direction of the arrow in the drawing, and then the support shaft 20 of the rotary encoder 18 is attached.
Is inserted into the shaft support grooves 16a and 16b, and then the above-mentioned flexibility is released. Claws 21a are provided on the upper portions of the bearings 21a and 21b.
_-1 , 21b- ₁ are formed, and the claw portions 21a-
₁ , 21b- ₁ are engaged with the upper surface of the support shaft 20 with the bearing portions 21a, 21b returned to their original positions. Further, the displacement of the support shaft 20 in the left-right direction in FIG.
It is regulated by the side part of. Therefore, the rotary encoder 18 is reliably supported by the holder portion 16. With the bearing structure of the rotary encoder 18 having the above-described structure, the support shaft 20 that has been conventionally used is attached to the wall portion 1 of the holder portion.
Compared with the structure (shown in FIG. 4) press-fitted into 6 ', the workability of mounting can be improved. As shown in FIG. 5, the wall portion 16a of the holder 16 may be flexible (FIG. 5 shows the wall portion 16a in the arrow direction). Thereby, the structure of the holder part 16 can be simplified.

The encoder plate 18a of the rotary encoder 18 is provided with a plurality of slits 18a- ₁ extending in the radial direction at equal angular intervals. A photo interrupter 22 is provided at a position facing the slit 18a of the rotary encoder 18 in the attached state. FIG. 6 shows a state in which the photo interrupter 22 is attached to the board 3. As shown in the figure, the photo interrupter 22 has a so-called vertical structure, and is provided with a detection unit 22a on the side thereof in which the encoder plate 18a is interposed.

A conventional photo interrupter is shown in FIGS. 7 (A) and 7 (B).
In this structure, the photo interrupter 23 has to be disposed below the encoder plate 18a, and the photo interrupter 24 must have the encoder plate 18a in a horizontal posture. The arrangement position of the rotary encoder 18 is limited, so that the device 1 cannot be downsized. However, the photo interrupter 2
By making 2 vertical, it is possible to arrange the encoder plate 18a in a vertical posture with respect to the substrate 3, and to easily perform optical axis alignment for passing through the slit 18a- ₁ in the detection unit 22a. You can In addition, by making the encoder plate 18a vertical, the encoder plate 18a is connected to the photo interrupter 2
2 can be arranged regardless of the height position, and the terminal (not shown in the figure) projects downward, so that this terminal can be directly soldered and attached to the lead of the substrate 3. Become.

Here, the assembled rotation detecting means 4 will be described with reference to FIG. FIG. 2 is a partially cutaway plan view of the assembled input device 1. As shown in FIG.
Is formed with a gear portion 6a, and the rotary encoder 18 is supported by bearing portions 21a and 21b. The gear 17 is engaged with the gear portion 6a of the roller 6 and the gear portion 18b of the rotary encoder 18 from above. It is configured. Therefore, the rotation of the roller 6 is surely transmitted to the rotary encoder 18 via the gear 17, and the rotation of the rotary encoder 18 corresponds to the rotation of the roller 6 with high accuracy, whereby the detection signal generated by the photo interrupter 22 is transmitted to the roller. The signal corresponds to rotation of 6 with high accuracy. In addition to this, using gear transmission as a rotation transmission means,
Further, since the vertical type photo interrupter is used, the rotation detecting means 4 can be downsized.

Here, focusing on the mounting structure of the roller 6 to the lower case 2b, description will be given with reference to FIGS. 1 and 9. The roller 6 is attached to the bearing support portions 10a and 10b formed on the lower case 2b by using the above-mentioned bearing members 12a and 12b. The bearing member 12a, 12b includes a support shaft 2 of the roller 6.
5, bearing portions 12a- ₁ and 12-b into which is rotatably inserted
₁ and engaging claws 12a- ₂ , 12b- ₂ that engage with the bottom surface 2b- ₂ of the lower case 2b. The engaging claws 12a- ₂ and 12b- ₂ have a flexible structure. Therefore, in order to mount the roller 6 on the lower case 2b, first, the bearing members 12a and 12b are mounted on both ends of the support shaft 25. Then, the bearing portions 12a- ₁ and 12b- ₁ can be attached by pressing the bearing portions 12a- ₁ and 12b- ₁ in the fitting holes 11a and 11b in a positioned state. In the attached state, the engaging claw portions 12a- ₂ , 12b- ₂ are engaged with the bottom surface 2b- ₂ of the lower case 2b as shown in FIG. 9 (A), and FIG. 9 (B). As shown in FIG. 5, both ends of the support shaft 25 are restricted from being displaced in the left-right direction by projections 26a and 26b formed on the lower case 2b. Therefore, the roller 6 is surely attached to the lower case 2b, and the attaching work is extremely easy, so that the assembling workability can be improved.

As is clear from the above description, the roller 6 is attached from the lower side of the lower case 2b. This is because the roller 6 is configured to be shielded from the inside of the case 2 by the roller storage recess 2b- _3. With this configuration, each component is incorporated in the case 2. The secondary effect is that the roller 6 can be attached later.

The roller 6 rolls on the information medium and is a consumable item unlike other components. Therefore, it is necessary to perform maintenance, but when the roller 6 is replaced during this maintenance, this roller replacement work can be performed without separating the case 2 into the upper and lower cases 2a and 2b. Therefore, maintenance work can be easily performed.

On the other hand, as described above, the roller 6 is configured such that a part thereof protrudes from the lower case 2b and comes into contact with the information medium. However, when the roller 6 is projected from the lower case 2b, the lower case 2b is poorly seated and easily moves.
Mounting and assembling other components becomes troublesome. However, by adopting a configuration in which the roller 6 can be mounted from the outside of the lower case 2b as in the present invention, the roller 6 is removed during the mounting and assembling work of the other components described above.
The roller 6 can be attached at the stage where the attachment and assembly of other components are completed, and the workability of attachment and assembly can be improved.

As shown in FIG. 10, the bearing members 27a, 27b
May have a cylindrical shape, and the bearing support portions 28a and 28b may have a boss shape in which a part of the upper portion is opened. In this structure, first, the bearing members 27a and 27b are inserted into the support shaft 25, and the support shaft 25 is inserted into the bearing members 27a and 27b from the above-mentioned opening with the support members 25a and 27b being moved inward. 27a and 27b are displaced in the direction of the arrow in the drawing and press fit into the bearing support portions 28a and 28b. Even with the above structure, the rotor 6 can be easily attached to the lower case 2b.

Next, the optical system provided in the input device 1 will be described with reference to FIGS. 1, 8, and 11. The optical system includes a light emitting unit 5, a mirror 30, a lens 7 and an image sensor 8. The information medium reflects the light emitted from the light emitting unit 5, and the reflected light forms an image on the image sensor 8. It is configured to form a predetermined optical path.
FIG. 11 is a schematic configuration diagram showing a vertical cross section of the input device 1. The light emitting part 5 is composed of a plurality of light emitting diodes arranged in a rod shape, and a holder 29 to which the light emitting diodes are attached has a mirror 3
0 is provided. This mirror 30 is the lower half 2b
The lower surface 2b- _{1 is} inclined by 45 °.

The holder 29 is an elongated plate member formed by integrally pressing a metal plate material and forming a mounting surface portion 29a, a positioning flange portion 29b, and fixing portions 29c- ₁ and 29c- ₂ (see FIG. 1 in detail. ). The light emitting section 5 and the mirror 30 are mounted on the same surface of the mounting surface section 29a. The rod-shaped light-emitting portion 5 and the mirror 30 are fixed to the mounting surface portion 29a by bonding or the like on the entire rear surface thereof, and therefore have a large mounting strength. In particular, the mirror 30 needs to be attached so that the optical system forms a predetermined optical path as will be described later, but since the attachment strength is large, the positional displacement does not occur due to an external impact or the like. Further, the mirror 30 has a mounting surface 2
The positioning is configured uniquely by bringing the side edge into contact with the positioning brim portion 29b formed on the side edge of 9a.

The holder 29 has fixed portions 29c- ₁ , 29c- _2.
The bosses 31a, 31b formed on the lower case 2b
It is screwed and fixed to the screw (shown in FIG. 1) by screws 32a and 32b.
0 is configured to be positioned at a position forming a predetermined optical path of the optical system. Therefore, the holder 29 of the mirror 30
With respect to the lower case 2b, the light emitting portion 5 and the mirror 30 can be easily positioned and attached to the lower case 2b by the positioning collar portion 29b. Thereby, the light emitting unit 5 and the mirror 30
The optical axis can be easily adjusted and the assembling workability can be improved.

The lens 7 is housed in a cylindrical lens case 33, and is fixed on the V-shaped groove 14 a of the mounting base 14 by screwing the bracket 34 with screws 35 a and 35 b.
Reference numeral 35 is a resinous sensor holder, and a sensor board 36 is provided on the rear side.
The image sensor 8 fixed to the
The front part has a semi-cylindrical shape corresponding to the lens 7, and a part of the front part is configured to overlap the cylindrical lens case 33 of the lens 7. The sensor holder 35 is provided with U-shaped screw holes 36a and 36b (shown in FIG. 8). Further, the lens case 33 can be slidably displaced with respect to the image sensor 8 by slightly loosening the screws 35a and 35b, whereby the focus of the lens 7 can be adjusted with respect to the image sensor 8.

Here, the focus adjustment mechanism of the lens 7 with respect to the image sensor 8 will be described with reference to FIGS. 8 and 11 to 14. The focus adjusting mechanism includes a lens case 33, a bracket 34, and a sensor holder 35, and adjusts the reflected light including image information to be imaged on the image sensor 8. As shown in FIG. 12 (B), the lens case 33 is a V-shaped groove 1 formed in the mounting base 14.
It has a structure mounted on 4a. This V-shaped groove 14
The height position of the lens case 33 is uniquely defined by a, and the lens case 33 is held in a state in which the outer peripheral portion is in contact with the two oblique sides forming the V-shaped groove 14a.
Therefore, the lens case 33 is mounted on the mounting base 14 without rattling and displaceably with respect to the optical axis direction.

An annular adjustment groove 33a is formed at a substantially central position in the longitudinal direction of the lens case 33 as shown in FIGS. 11 and 12 (A), and an adjustment hole 34a is provided at a top position of the bracket 34. Are formed. As is well known, the focus adjustment of the image sensor 8 and the lens 7 can be defined to some extent at the design stage of the apparatus 1, but the final fine adjustment is performed by the operator on site. The adjustment groove 33a is configured to face the adjustment hole 34a at the in-focus position (focused position) at the time of designing. Therefore, focus adjustment can be performed by engaging a focus adjustment jig in the adjustment groove 33a through the adjustment hole 34a and displacing the lens case 33 using the focus adjustment jig.

An eccentric rod 37, which is a focus adjustment jig, is shown in FIG. The eccentric rod 37 has an outer diameter dimension that allows the eccentric rod 37 to be rotatably inserted into the adjustment hole 34a, and a protrusion 37a is provided at a position eccentric from the center position of the tip end portion thereof. At the time of focus adjustment, this eccentric rod 37 is inserted into the adjustment hole 34a formed in the bracket 34, and the projection 37a is engaged with the adjustment groove 33a. By rotating the eccentric rod 37 in this state, the protrusion 37a
The lens case 33 is displaced within the corresponding range of the eccentricity amount, and the focus can be adjusted.

The above-mentioned adjustment work is performed by an operator, for example, while observing an oscilloscope connected to the image sensor 8 and tightening the screws 35a and 35b at a place where a prescribed output is obtained. Further, since the adjustment is performed with the screws 35a and 35b temporarily fixed, when the eccentric rod 37 is in focus, the screws 35a and 35b can be tightened while maintaining the focus position of the eccentric rod 37. ,
The adjusted focus does not deviate during screwing. Therefore, the focus adjustment work of the lens 7 with respect to the image sensor 8 can be performed extremely easily and with good workability.

In the above adjustment work, it is necessary to prepare an eccentric rod 37 having a special shape at the time of the adjustment work, but by rotatably mounting the adjustment member 37b as shown in FIG. 14 in the adjustment hole 34a, The focus may be adjusted by a commonly used tool such as a driver. Adjustment member 3
A protrusion 37b- ₁ is formed on the lower surface of 7b similarly to the eccentric rod 37, and a groove 27b- ₂ for engaging a driver is formed on the upper surface. FIG. 14A shows a state in which the adjusting member 37b is attached to the bracket 34. With the configuration shown in the figure, maintenance after product shipment can be easily performed.

On the other hand, when the sensor substrate 36 provided with the image sensor 8 is attached to the sensor holder 35, it is necessary to perform highly accurate positioning in order to align the optical axis of the optical system with the predetermined optical path. Conventionally, a screw is used to mount the sensor substrate 36 to the sensor holder 35, and the mounting structure is simply fixed by interposing a washer between the sensor substrate 36 and the screw. For this reason, the sensor substrate 36 is displaced through the washer in accordance with the rotational tightening of the screw, which makes it impossible to perform highly accurate positioning. Therefore, in this embodiment, the ribs 38a, 3 are provided on the lower case 2b so as to be located at the rear surface position of the sensor substrate 36 at the mounting position.
8b is integrally formed upright and screws 39a, 3
V-shaped grooves 38a- ₁ and 39b- ₁ (see FIGS. 1 and 15; the V-shaped groove 38a- ₁ does not appear in the drawings) with which 9b engages are formed. As a result, FIG. 15 (A), (B)
Sensor board 36 and screws 39a (39
Since the fixed rib 38a (38b) is interposed between b), the sensor substrate 36 is not displaced even when the screw 39a (39b) is tightened, and the optical axis alignment is performed easily and highly accurately. be able to. Also, as shown in FIG. 16, a leaf spring member 41 is interposed between the screw 39a (39b) and the sensor substrate 36, and the sensor substrate 36 is pressed by the elastic force of the leaf spring member 41. The sensor substrate 36 may be prevented from being displaced by tightening the screws 39a (39b) while regulating the displacement. The image sensor 8 attached at a predetermined position as described above performs photoelectric conversion in response to incoming light to generate an image data signal.

As shown in FIG. 17, the input device 1 having the above configuration is placed on an information medium 40 (for example, a book) on which image information such as characters and figures to be input is described, and manually displaced in the direction of the arrow in the figure. By doing so, the image information is input. At this time, the roller 6 is in pressure contact with the information medium 40 and is rotated corresponding to the above displacement. At the time of this image input, the light emitting diode of the light emitting unit 5 is emitting light, and the light is applied to the information medium 40 through the opening 9a. The reflected light (indicated by an alternate long and short dash line arrow in the figure) of this irradiation light by the information medium 40 is converted in 90 ° direction by the mirror 30,
The light is collected by the lens 7 and is incident on the image sensor 8. The image sensor 8 generates an image data signal corresponding to the incident light. At this time, as described above, the opening 9
Since a dustproof cover 13 is provided on a, the case 2
It is possible to perform good image information input processing without dust entering inside.

As described above, according to the present invention, since the rotary member is defined by the rotary member storage recess from the internal space of the case,
The rotation of the rotating member prevents dust from entering the case, preventing dust from adhering to the optical system such as the light emitting means and mirrors, enabling good image information input and improving the durability of components. Further, since the rotating member is housed in the rotating member housing recess with a part thereof protruding from the bottom surface of the case, the rotating member is arranged outside the case in order to prevent dust from entering. In comparison, the device can be made thinner, and further, the bearing member for accommodating the rotating member in the rotating member accommodating recess can be inserted into the fitting hole from the outside of the case. It is possible to attach and detach the rotating member from the outside of the case, and since the rotating member can be attached and detached without separating the case, it is possible to easily attach and detach the rotating member. To.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of an embodiment of an image information input device according to the present invention, FIG. 2 (A) is a perspective view showing the lower surface of the device, and FIG. 2 (B) is for explaining a roller storage recess. 3 to 5 are views for explaining the mounting structure of the rotary encoder to the holder part, FIG. 6 is an enlarged perspective view of the photo interrupter, and FIG. 7 is a conventional view. FIG. 8 is a perspective view showing an example of a photo interrupter, FIG. 8 is a partially cutaway plan view of the device, FIGS. 9 and 10 are views for explaining a mounting structure of a roller to a lower case, and FIG. 11 is a view of the device. FIG. 12 is a longitudinal sectional view, FIG. 12 is a view for explaining the focus adjusting mechanism, and FIG.
3 is a perspective view of the eccentric rod, FIG. 14 is a diagram for explaining a mode in which an adjusting member is used instead of the eccentric rod, and FIG. 15 is a diagram for explaining a rib formed on the lower case. FIG. 16 is a view showing a mode in which a leaf spring member is used to prevent the sensor substrate from being displaced, and FIG. 17 is a view for explaining a mode of use of the device. 1 ... Device, 2 ... Case, 2b- ₃ ... Roller storage recess, 3
... substrate, 4 ... rotation detecting means, 5 ... light emitting part, 6 ... roller,
6a ... Gear part, 7 ... Lens, 8 ... Image sensor, 9 ...
Openings 10a, 10b ... Bearing support portions 12a, 12b ...
Bearing member, 13 ... Dust cover, 14a ... V-shaped groove, 16 ...
Holder part, 17 ... Gear, 18 ... Rotary encoder, 1
8a ... Encoder plate, 18b ... Gear part, 21a, 21b
... Bearings, 22 ... Photointerrupters, 27a, 27b ...
Bearing member, 28a, 28b ... Bearing support part, 29 ... Holder, 29a ... Mounting surface part, 29b ... Positioning collar part, 29c
_-1 , 29c- ₂ ... Fixed part, 30 ... Mirror, 33 ... Lens case, 33a ... Adjustment groove, 34 ... Bracket, 34a
... adjusting hole, 35 ... sensor holder, 35a, 35b, 39
a, 39b ... screw, 36 ... sensor substrate, 37 ... eccentric rod,
37b ... Adjusting member, 38a, 38b ... Rib, 38a
_-1 , 38b- ₁ ... V-shaped groove, 40 ... Information medium, 41 ... Leaf spring member.

Claims (1)

[Scope of utility model registration request] 1. A rotary member, which is pressed against an information medium on which image information to be input is described, and rotates corresponding to a relative displacement speed with respect to the information medium, and an opening formed in a case from a light source. Image reading means for generating image data signals from reflected light including the image information, which is irradiated with light toward the information medium through the opening, and rotation detecting means for detecting rotation of the rotating member. In the image information inputting device, the rotating member storage recess, which is formed integrally with the inside of the case so as to be recessed and shields the rotating member from the internal space of the case, and the rotating member storage recess. Fitting holes that are formed at both positions in the longitudinal direction and have a structure that opens toward the outside of the case, and are arranged on both sides of the support shaft of the rotating member, and are fitted into the fitting holes from the outside of the case. thing More, the image information input apparatus characterized by comprising a bearing member for the rotatable member is a portion rotatably accommodated in the rotary member accommodated in the recess so as to protrude from the bottom surface of the case, the.