JP3002287B2 - Large reader - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a large-sized reading device such as an electronic blackboard and a large-sized image scanner.

[0002]

2. Description of the Related Art As a conventional large-sized reading device, for example, there is an electronic blackboard as shown in FIG. When this electronic blackboard is disassembled, it becomes as shown in FIG. In FIG. 1, reference numeral 1 denotes an internal frame (structural member).
Has fluorescent light 2, mirror 3, lens block 4, and C
An optical unit such as a CD substrate 5 is mounted. Reference numeral 6 denotes a white sheet take-up unit that is disposed to face the front part (left part in the figure) of the internal frame 1, and the white sheet take-up unit 6 is a take-up unit attached to a white sheet frame 6c. The roller 6a and the winding roller 6a
And a take-up roller 6a is rotated by a drive motor (not shown) to take up the white sheet 6b. A decorative frame 7 is attached to the front part (left part in the figure) of the white sheet winding unit 6, and a back panel 8 is attached to the rear part (right part in the figure) of the internal frame 1. The optical unit and the white sheet take-up unit 6 are covered and protected by a back panel 8. For this reason, the white sheet winding unit 6, the decorative frame 7, the back panel 8
Is attached to the inner frame 1 by screwing or the like. Reference numeral 9 denotes a stand member, which supports the assembly (electronic blackboard) assembled as described above. The stand member 9 is also fixed to the inner frame 1 by screws or the like. As shown in FIG. 3, an operation unit 10 is attached to a lower portion of the assembly, and an electric unit and a printer unit are attached, not shown in the figure.

[0003]

In the above conventional large-sized reading apparatus, the entire electronic blackboard is deformed by an external impact or the like, and the fluorescent lamp 2, mirror 3, lens block 4, If the mutual positional relationship of the CCD substrate 5 or the like changes, a normal image cannot be obtained during printing. For this reason, as shown in FIG. 4, the inner frame 1 has a rectangular frame 1a as a whole, and a central portion of the frame 1a for reinforcement is used to prevent a change in the positional relationship of the components. And the reinforcing plate 1
c is provided so as to be carried in the length direction. The material of the inner frame 1 is a flat plate, square bar, angle, or the like made of iron in consideration of rigidity, and these are assembled by screwing, welding, or the like. For this reason, the inner frame 1 is made very firmly, and the positional relationship between the components of the optical unit does not easily change.

However, the internal frame 1
Is very rigid, so that the weight is increased and the number of components constituting the frame 1 is increased, resulting in an increase in cost. If the rigidity cannot be increased only by the frame 1, the white sheet frame 6 of the white sheet winding unit 6, which is another main component, is used.
c, the decorative frame 7, the back panel 8, the stand member 9 and the like must be made strong, which further increases the weight and cost of the entire electronic blackboard, and also deteriorates the assemblability due to the heavy parts. There was a problem of doing. Then, this invention makes it a subject to solve the said problem.

[0005]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention is directed to a structural member for mounting an optical unit such as a fluorescent lamp, a mirror, a lens, a CCD substrate, and the like, and a white light arranged to face the optical unit. In a large-sized reader including a sheet winding unit and a stand member for supporting the structural member and the winding unit, the structural member includes a rod-shaped member, and a fluorescent lamp and a mirror provided on one end side of the rod-shaped member. possess a bracket for mounting the like, and a block for mounting the lens and CCD substrate or the like provided on the other end of the rod-shaped member, said block
Has a long hole so as to be movable in the longitudinal direction of the rod-shaped member.
Characterized by being attached to a rod-shaped member through
It is a reading device. Further, the present invention relates to a fluorescent lamp, a mirror, and a laser.
Components for mounting optical units such as lenses and CCD substrates
And a white sheet disposed to face the optical unit
Winding unit, structural member and winding unit
Reading device comprising a stand member for supporting
The said structural member is a rod-shaped member, and this rod-shaped member
Is installed at one end of the
And a bracket provided on the other end of the rod-shaped member.
And a block for mounting the CCD board, etc.
And the winding unit is directly mounted on the stand member.
It is a large-sized reading device characterized by being attached.

[0006] According to the large-sized reader having such a configuration,
Since the structural member has a rod-shaped member, a bracket provided on one end side of the rod-shaped member, and a block provided on the other end side of the rod-shaped member, the number of components of the structural member is reduced to reduce cost. In addition, the weight can be reduced, and the parts can be lightened to improve the assemblability as a whole.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. 1 and 2 are views showing an electronic blackboard according to an embodiment of the large-sized reader according to the present invention. In FIG. 1, reference numeral 11 denotes an internal frame. As shown in FIG. 2, the internal frame 11 includes a rod-shaped member 11b such as an iron bar and an iron pipe, and a bracket 11a provided at one end of the rod-shaped member 11b. And a block 14 provided on the other end side of the rod-shaped member 11b. Bracket 11a
Is simply fixed to the rod-shaped member 11b by screwing, and the block 14 is connected to the rod-shaped member 1 through its elongated hole 14a.
1b. By screwing the block 14 to the bar-shaped member 11b via the elongated hole 14a, the block 14 can reciprocate in the length direction of the member 11b for adjusting the function of the optical unit.

As shown in FIG. 1, a fluorescent lamp 12 constituting an optical unit is mounted on a bracket 11a of an inner frame 11.
A mirror (not shown) is housed in the block 14, and a CCD board 15 is mounted on the flange portion 14b. The focal length of the lens inside the block 14 can be determined by reciprocating the block 14 in the length direction of the rod-shaped member 11b of the internal frame 11 as described above. Both ends of the rod-shaped member 11 b of the inner frame 11 are fitted into the mounting holes 19 a of the stand member 19. Also, the rod-shaped member 1
1b are fitted into the mounting holes 19a of the stand member 19
Large-sized reader with external force
Even if the whole is distorted, no distortion is transmitted to the internal frame 11
You can do so. The shape of the mounting hole 19a is
Any shape, such as a V-groove, a round hole, or a long hole, may be used as long as the rod-shaped member 11b is supported.

Internal frame 11 with optical unit attached
A white sheet take-up unit 16 having the same configuration as that of the related art is disposed opposite to the front part (left side in the figure). However, since this white sheet take-up unit 16 cannot be attached to the inner frame 11, By attaching the frame directly to the stand member 19, the overall rigidity can be improved. A decorative frame 17 is arranged at the front part (left side in the figure) of the white sheet winding unit 16, and the decorative frame 17 is attached to the frame of the white sheet winding unit 16 by screwing, or the decorative frame 17 is Stand member 1
9 may be attached by screwing. Internal frame 11
A back panel 18 is arranged at the rear part (right side in the figure),
The back panel 18 is a white sheet winding unit 16.
To the stand member 1 at the same time.
9, the overall rigidity can be improved.

In addition, although a power supply unit, a control board and the like are not shown, they can be attached to the back panel 18 in advance. The operation unit (not shown) can be provided below the decorative frame 17 as in the conventional example, or can be attached to the lower part of the decorative frame 17 or the back of the back panel 18 integrally with a printer unit (not shown).

[0011]

According to the present invention as described above, according to the present invention, the structural member is, possess a rod-like member, a bracket is provided on one end side of the rod member, and a block provided on the other end of the rod The block is longer than the length of the rod-shaped member.
Attached to a rod-shaped member through a long hole so that it can be moved
As a result, the number of components of the structural member can be reduced to reduce the cost and weight, and the components can be lightened to improve the assemblability as a whole. So
Lens and CCD provided on the other end of the rod-shaped member
The block for mounting the board, etc., is
To the rod-shaped member through a long hole so that it can be
Function adjustment of optical unit such as focus adjustment
It can be performed. Further, the structural member is a rod-shaped member,
A bracket provided at one end of the rod-shaped member;
And a block provided on the other end side of the member.
To mount the unit directly to the stand member
Cost, which reduces the number of structural components
And lighter parts and lighter parts
The assemblability can be improved. In addition, winding
If the knit is attached directly to the stand member, the overall
Rigidity can be improved.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing an electronic blackboard according to an embodiment of a large-sized reading device according to the present invention.

FIG. 2 is an enlarged perspective view of the internal frame 11 of FIG.

FIG. 3 is a perspective view showing a conventional electronic blackboard.

FIG. 4 is an exploded perspective view showing an assembled state of the electronic blackboard of FIG. 3;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 Internal frame 11a Bracket 11b Bar-shaped member 12 Fluorescent lamp 13 Mirror 14 Block 14a Elongated hole 15 CCD board 16 White sheet winding unit 19 Stand member

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) B43L 1/04

Claims (2)

(57) [Claims] A structural member for mounting an optical unit such as a fluorescent lamp, a mirror, a lens, a CCD substrate, and the like; a white sheet winding unit disposed to face the optical unit;
A large-sized reading apparatus comprising: the structural member and a stand member for supporting the winding unit; wherein the structural member is a rod-shaped member, and a bracket provided on one end side of the rod-shaped member for mounting a fluorescent lamp, a mirror, and the like. If, possess a block for attaching the other end to the provided lens and CCD substrate or the like of the rod-shaped member, said block is moveable in the longitudinal direction of the rod-shaped member
A large-sized reading device, which is attached to a rod-shaped member through a long hole to perform reading. 2. A structural member for mounting an optical unit such as a fluorescent lamp, a mirror, a lens, a CCD substrate, and the like; a white sheet winding unit disposed to face the optical unit;
A large-sized reading apparatus comprising: the structural member and a stand member for supporting the winding unit; wherein the structural member is a rod-shaped member, and a bracket provided on one end side of the rod-shaped member for mounting a fluorescent lamp, a mirror, and the like. When, the bar and the block for mounting the provided lens and CCD substrate or the like to the other end possess member, mounting et the winding unit is directly the stand member
Large reader characterized in that it is.