JP2002178691A - Writing board - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce costs by using a mold for an exterior frame manufactured by extrusion processing commonly in a writing board. SOLUTION: The exterior resin frame 20 surrounding a writing surfaced A is composed of four corner frames 21 and four straight side frames 22 and 23 which are joined by the corner frames, and longitudinal engagement grooves 22d and 23d are formed in the surfaces of the straight frames. Magnetic members are fitted to the grooves to set chart paper by using magnets, a receiving member is fitted to receive a marker residue, a marker pen and an eraser are placed, and a holder is fitted so that a sheet roll is supported rotatably by the holder.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a writing board which is hung on a wall or supported by a stand by a blackboard such as an electronic blackboard, a white board, a message board, a bulletin board or the like. In particular, the present invention relates to a writing board having a resin outer frame surrounding a writing surface on which writing is performed with a marker pen or the like.

[0002]

2. Description of the Related Art Conventionally, for example, in an electronic blackboard, as shown in FIG. 14, a sheet member 1 is wrapped around two vertical rollers (not shown) provided in parallel on the left and right sides, and the front side is stretched to write a surface a. And a resin outer frame 2 is provided around the writing surface a, and the outer frame 2 is
And four straight frames 4 and 5 connected thereby.

The straight frames 4 and 5 are composed of upper and lower horizontal straight frames 4a and 4b and left and right vertical straight frames 5a and 5b. Then, the entire electronic blackboard was attached to the stand 6 and supported by the stand.

[0004]

However, such a conventional electronic blackboard is disclosed in, for example, Japanese Patent Application Laid-Open No. 62-144999.
In some cases, a magnetic plate is provided on the upper straight frame, as described in Japanese Patent Application Laid-Open Publication No. H11-260, 1988. In addition, as shown in FIG. 14, the receiving portion 7 may be provided integrally with the lower horizontal straight frame 4b. As described in Japanese Patent Application Laid-Open No. H11-59071, the lower horizontal straight frame is provided with a marker casing. And the receiving portions of the marker pen and the eraser may be divided into upper and lower stages and provided integrally.

On the other hand, the vertical straight frames 5a and 5b are sometimes provided integrally with, for example, a marker pen and an eraser receiving portion.

[0006] Such straight frames 4 and 5 are generally made by extrusion. For this reason, the horizontal straight frames 4a and 4b are up and down, and the vertical straight frames 5a and
In 5b, it is difficult to make the left and right sides with the same mold, and at least two or more molds are required.

[0007] Therefore, a first object of the present invention is to reduce costs by using a common mold for an outer frame formed by extrusion in a writing board.

A second object of the present invention is to make it possible to easily attach a chart paper or the like to an outer frame by using a magnet.

A third object of the present invention is to make it possible to receive a marker residue falling when writing on a writing surface and to place a marker pen or an eraser.

A fourth object of the present invention is to make it possible to prevent a marker pen or an eraser placed on a receiving member from being stained with a marker waste, or to arrange and arrange a marker pen or an eraser separately. It is in.

[0011] A fifth object of the present invention is to make it possible to easily cover a writing surface by feeding a sheet from a sheet roll and to easily release the cover.

[0012] A sixth object of the present invention is to allow a sheet fed from a sheet roll to be easily latched or released.

[0013]

According to a first aspect of the present invention, there is provided a writing board in which a resin outer frame around a writing surface is provided with four corner corners. It is characterized by comprising a frame and four straight frames connected by the frame, and having a fitting groove in the length direction formed on the surface of the straight frame.

According to a second aspect of the present invention, in the writing board according to the first aspect, a magnetic member is fitted into the fitting groove so as to achieve the second object. .

According to a third aspect of the present invention, in the writing board according to the first aspect, a receiving member is fitted into the fitting groove so as to achieve the third object. .

According to a fourth aspect of the present invention, in the writing board according to the third aspect, in order to achieve the fourth object, the receiving member is provided with a plurality of receiving portions in the receiving member. .

According to a fifth aspect of the present invention, in the writing board according to the first aspect, in order to achieve the fifth object, a holder is fitted in the fitting groove, and the sheet roll is rotatable with the holder. Characterized by being supported by

According to a sixth aspect of the present invention, in the writing board according to the fifth aspect, in order to achieve the sixth object described above, a hooking member is attached to a leading end of the sheet roll on the sheet feeding side, and the hooking is provided. The member can be hooked on the fitting groove of the opposed straight frame.

[0019]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 shows an electronic blackboard 10 which is an example of a writing board according to the present invention.

The electronic blackboard 10 is attached to the base frame 14 of the stand 13 by attaching screws 11 and 12, respectively.
An elongated upper frame 15 and a lower frame 16 are provided. Vertical rollers 17 are rotatably supported between both ends of the upper and lower frames 15 and 16, and a sheet 18 is wrapped between the vertical rollers 17 and 17 so as to be conveyable in the horizontal direction in the figure.

The sheet 18 thus wrapped around
To form a writing surface A, and a resin outer frame 20 is provided around the writing surface A to
To the base frame 14.

The exterior frame 20 is composed of four corner frames 21 and four straight frames 22 and 23 connected by the corner frames 21. The straight frames 22 and 23 include upper and lower horizontal straight frames 22a and 22b and left and right vertical straight frames 23a and 23b.
Consists of

The corner frame 21 is formed with two fitting projections 21a projecting at right angles to each other. On the other hand, as shown in FIG.
Fitting recesses 22c and 23c are formed at both ends, and fitting grooves 22d and 23d are formed in the length direction. Fitting groove 22
d and 23d are bent inward to form bent portions 22e.
23e is formed and rounded. In addition, fitting recess 2
Connecting portions 22f and 23f are provided inside the 2c and 23c so as to straddle the fitting grooves 22d and 23d.

Then, as shown in FIG.
1a into the fitting recesses 22c and 23c, and
4 are screwed, and the horizontal straight frames 22a and 22b and the left and right vertical straight frames 23a and 23 are respectively
(b) are connected and assembled into a frame shape, and attached to the base frame 14 with screws (not shown).

Below the base frame 14 of the stand 13, an operation section 26 is mounted using mounting screws 25, and a printer 28 is mounted using another mounting screw 27.

When the electronic blackboard 10 is used, a picture or a character is written on the writing surface A using a writing implement such as a marker pen. When the writing surface A is full of pictures and characters, the contents written on the writing surface A are erased by wiping with an eraser (blackboard eraser), and new writing is performed on the writing surface A again.

When a new writing operation is desired to be performed while leaving the writing contents as it is, the vertical roller 17 is rotated by pressing the sheet conveying switch of the operation section 26, and the sheet 18 is conveyed to form a new writing surface A in the outer frame 20. Position, and new writing is performed on the new writing surface A.

When a copy of the written contents is to be taken, the written contents on the writing surface A are read by a reading device (not shown) while the sheet 18 is being conveyed by pressing the copy switch of the operation section 26, and the read signal is sent to the printer 28. The output is output, the read content is recorded on a sheet by the printer 28, and the sheet is discharged.

Next, an example of use of the illustrated electronic whiteboard 10 will be described.

In FIG. 3, the magnetic member 30 is fitted into the fitting groove 22d of the upper horizontal straight frame 22a, and the other lower horizontal straight frame 22b and the left and right vertical straight frames 23
A usage example in which the non-magnetic member 31 is fitted to a and 23b is shown.

The magnetic member 30 is formed by forming a band-shaped metal sheet into a section Ω.
As shown in FIG. 3, a protrusion 30a projecting straight in the length direction is fitted into the fitting groove 22d of the horizontal straight frame 22a, and is sandwiched by the bent portion 22e. Insert it as if to insert. When inserted, the top surface of the projection 30a is aligned with the horizontal straight frame 22a.
So that it is flush with the front.

On the other hand, the non-magnetic member 31 is formed into a band shape having a protrusion 31a in the longitudinal direction by molding using a resin material, and the protrusion 31a is formed in another lower horizontal straight frame 22b.
Each of the right and left vertical straight frames 23a and 23b is fitted into the fitting groove 22d, sandwiched between the bent portions 22e and 23e, and inserted into the connecting portions 22f and 23f without looseness. Also at this time, the top surface of the projection 31a of the inserted non-magnetic member 31 is in contact with each straight frame 22b, 23a, 2
3b so that it is flush with the front.

Then, the state shown in FIG. 4 is obtained. In this way, for example, when the explanation is to be made using the chart paper 34 created in advance while the explanation is being made using the electronic blackboard 10, the magnet 3
5 is adsorbed to the magnetic member 30 so that the chart paper 34
Can be laid out for the audience to see.

Here, the colors of the magnetic member 30 and the non-magnetic member 31 may be the same as or different from the colors of the straight frames 22 and 23, respectively.
Will be determined in consideration of the overall design and the like.

In FIG. 5, the non-magnetic member 31 is not used, and the fitting grooves 22d of all the straight frames 22 and 23 are used.
An example in which the magnetic member 30 is inserted into 23d is shown. In this way, the magnet-attached tray 36 is attached by attracting the magnet to the magnetic member 30 of the right vertical straight frame 23b so that the marker pen 37, the eraser 38, etc. can be placed on the tray 36. be able to.

A screen plate 40 having a magnet 39 attached to the back surface is attached by attracting the magnet 39 to the magnetic member 30 of each of the straight frames 22 and 23, and an OHP or a projector 41 is mounted on the screen plate 40. And can be used for projection.

In addition to the above, a magnetic member 30 or a non-magnetic member 31 can be arbitrarily selected and attached to each of the straight frames 22 and 23.

FIG. 6 shows an example in which the receiving member 43 is fitted into the fitting groove 22d of the lower horizontal straight frame 22b.

As shown, the receiving member 43 has a fitting portion 43a fitted into the fitting groove 22d and inserted into the connecting portion 22f without looseness, and a receiving portion projecting forward along the lower edge of the writing surface A. A portion 43b and a cover portion 43c that rises upward from between them and whose front end covers the front upper side of the horizontal straight frame 22b are provided.

In the illustrated example, the trays 44 are attached to both ends of the receiving portion 43b. The tray 44 is made entirely in a rectangular parallelepiped shape using relatively inexpensive ABS resin (acrylonitrile / butadiene / styrene resin) or PS resin, and has a mounting recess 44a formed on the top surface, as shown in FIG. A slit 44b that opens on one side is provided in the middle, and a U-shaped slit 44c is provided on the bottom surface to form an elastic piece 44d.

Then, the receiving portion 43 is provided in the slit 44b.
8b, the end of the elastic piece 44d is pressed to prevent the elastic piece 44d from coming off, and the trays 44 are attached to both ends of the receiving portion 43b as shown in FIG. Thus, a marker pen, an eraser, and the like can be placed on the placement recess 44a on the tray 44.

Here, the tray 44 may be made of, for example, a black system color so that the stain is not conspicuous. Further, the interval L between the trays 44 at both ends is equal to or longer than the left and right length M of the writing surface A, and the marker portion falling from the writing surface A can be reliably received by the receiving portion 43b of the member 43. It is preferable to do so.

FIG. 9 shows a case where the receiving members 43 are provided with the receiving portions 43b in multiple stages. Receiving member 43 shown in FIG.
In this case, the upper receiving portion 43b-1 receives the marker scum and the like, the middle receiving portion 43b-2 puts a writing instrument such as a marker pen, and the lower receiving portion 43b-3 puts an eraser or the like. .

In the example shown in FIG. 9, the protruding length of the receiving portion 43b increases as it goes down, but, for example, taking the ease of taking out the eraser into consideration, as shown in FIG. May be reduced. The interval between the receiving portions 43b can also be set as appropriate. FIG. 11 shows a state in which the receiving member 43 shown in FIG. 10 is attached to the lower straight frame 22b.

FIG. 12 shows an upper horizontal straight frame 22a.
In this example, two holders 50 are fitted into the fitting grooves 22d, and both ends of the sheet roll 51 are rotatably supported by the holders 50.

In this use example, the fitting portion 50 is
a and the annular portion 50b. The fitting portions 50a are fitted into the fitting grooves 22d and inserted into the connecting portions 22f without looseness. The middle diameter cylindrical portion 52a of the middle of the knob member 52 is inserted into each of the annular portions 50b. Each knob member 52 is provided with a large-diameter knob portion 52b formed by cutting a knurl on the outer periphery on the head side of the medium-diameter cylindrical portion 52a, and a small-diameter shaft portion 52c on the front side. A chamfer 52d is provided on the outer periphery of the tip of the shaft portion 52c.

The holder 50 and the knob member 52 are preferably made of, for example, POM (polyacetal) in order to improve the slidability.

Then, the shaft 52c is easily inserted into each of the paper tubes 53 by chamfering 52d.
1 is rotatably supported. The base member is adhered to the outer periphery of the sheet roll 51 with a double-sided tape 54 so that the sheet member 5
5 is wound. The sheet member 55 is made of, for example, PET (polyethylene terephthalate), and a hook-shaped hooking member 57 is attached to the leading end of the sheet member 55 with a double-sided tape 56 in the same manner.

The hook member 57 is made of ABS resin or PS resin, and can be hooked on the fitting groove 22d of the lower horizontal straight frame 22b facing the upper horizontal straight frame 22a.

When the user does not want to erase the written contents on the writing surface A or wants to see the written contents,
Also, when it is desired to protect the sheet 18 from direct sunlight, etc., the sheet member 55 is pulled down with the holding member 57,
The sheet member 55 is fed out from the sheet roll 51, and the hook member 57 is hooked on the fitting groove 22d of the lower horizontal straight frame 22b as shown in FIG. 13, so that the writing surface A is covered with the sheet member 55. I do.

To release the cover, the hook member 57 is removed from the fitting groove 22d, and the sheet roll 51 is rotated with the knob 52b to wind up the sheet member 55.

The surface of the sheet member 55 may be plain, or may be printed, for example, to indicate that it is in use as shown in the drawing.

[0053]

According to the first aspect of the present invention, in the writing board, the resin outer frame around the writing surface is formed by four corner frames and four straight frames connected by the corner frames. Since the fitting groove in the length direction is formed on the surface of the straight frame, various members can be attached to the fitting groove by being fitted to the fitting groove. At the same time, the straight frame itself has a simple shape having a fitting groove, and a common mold is used, so that the straight frame can be formed by extrusion and cost can be reduced.

According to the second aspect of the present invention, since the magnetic member is fitted into the fitting groove, a magnet is attached to the magnetic member, the magnet is easily attached to the outer frame using the magnet, and a chart paper or the like is attached. Can be possible.

According to the third aspect of the present invention, since the receiving member is fitted into the fitting groove, the receiving member receives the marker waste falling when writing on the writing surface, and the marker pen is placed on the receiving member. Or you can put an eraser.

According to the fourth aspect of the present invention, since the receiving member is provided with the receiving portions in multiple stages, the marker pen or the eraser placed on the receiving member is prevented from being stained with the marker waste, and the marker pen or the eraser is divided. Can be arranged and placed on the receiving part.

According to the fifth aspect of the present invention, since the holder is fitted into the fitting groove and the sheet roll is rotatably supported by the holder, the sheet is fed out from the sheet roll and the writing surface is easily covered. Moreover, the covering can be easily released.

According to the sixth aspect of the present invention, the hook member is attached to the leading end of the sheet roll on the sheet feeding side, and the hook member can be hooked in the fitting groove of the opposed straight frame. The sheet fed from the roll can be easily latched, or the latch can be easily released.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of an electronic blackboard as an example of a writing board according to the present invention.

FIG. 2 is a perspective view of a straight frame used in the electronic blackboard.

FIG. 3 is a perspective view showing attachment of a magnetic member and a non-magnetic member to the straight frame.

FIG. 4 is a perspective view showing an example of use of an electronic blackboard to which they are attached.

FIG. 5 is a perspective view showing a usage example of an electronic blackboard in which magnetic members are attached to all straight frames.

FIG. 6 is a perspective view showing attachment of a receiving member and a tray to a straight frame.

FIG. 7 is a partial perspective view of the tray as viewed from the direction of arrow B.

FIG. 8 is a perspective view of the electronic blackboard with a receiving member and a tray attached.

FIG. 9 is a perspective view showing attachment of a receiving member having a multi-stage receiving portion to the straight frame.

FIG. 10 is a partial perspective view of another example of a receiving member having a multi-stage receiving portion.

FIG. 11 is a perspective view of an electronic blackboard to which a receiving member having the multi-stage receiving portion is attached.

FIG. 12 shows a straight frame and a holder attached to the straight frame.
It is an exploded perspective view of a knob member and a sheet roll.

FIG. 13 is a perspective view showing an example of use of an electronic blackboard to which these are attached.

FIG. 14 is a perspective view of a conventional electronic blackboard.

[Explanation of symbols]

 A Writing surface 10 Electronic blackboard (writing board) 13 Stand 18 Sheet 20 Exterior frame 21 Corner frame 22 ・ 22a ・ 22b Horizontal straight frame 22d Fitting groove 22e Bent portion 22f Connecting portion 23 ・ 23a ・ 23b Vertical straight frame 23d Fitting groove 23e Bending portion 23f Connecting portion 30 Magnetic member 43 Receiving member 43b Receiving portion 50 Holder 51 Sheet roll 57 Hook member

Claims (6)

[Claims] 1. A resin outer frame around a writing surface is composed of a corner frame at four corners and four straight frames connected by the corner frame, and a fitting groove in a length direction is formed on the surface of the straight frame. Writing board formed. 2. The writing board according to claim 1, wherein a magnetic member is fitted in the fitting groove. 3. The writing board according to claim 1, wherein a receiving member is fitted in said fitting groove. 4. The writing board according to claim 3, wherein the receiving member includes a plurality of receiving portions. 5. The writing board according to claim 1, wherein a holder is fitted in said fitting groove, and said sheet roll is rotatably supported by said holder. 6. The writing board according to claim 5, wherein a hooking member is attached to a leading end of the sheet roll on the sheet feeding side, and the hooking member can be hooked on a fitting groove of an opposed straight frame.