JP2002032039A - Advertisement bulletin board - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate the addition and replacement of advertisement displays and to prevent the damage of rollers constituting spreading mechanisms. SOLUTION: A bulletin sheet 12 is formed of many bulletin sheet pieces 14 formed by each of the respective advertisement displays and first sides 14a perpendicular to the moving direction of the bulletin sheet pieces 14 are provided with >=2 first annular projecting parts 16 at prescribed spaced intervals. Second sides 14b on the side opposite to the first sides 14a are projectingly provided with second annular projecting parts 18 so as to exist between the respective first annular projecting parts 16. Connecting members 22 are inserted into the first and second annular projecting parts 16 and 18, by which the plural bulletin sheet pieces 14 are connectably and replaceably constituted. The connecting members 22 consist of rod materials 4 shorter than the width of the bulletin sheet pieces 14 and rollers of the spreading mechanisms 28 have roller parts 46 of a small width and are formed to the structure in which the roller parts 46 are connected by shafts 48. The spacings between the shafts 48 and the roller parts 46 are set larger than the radius of the connecting members 22.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an advertising bulletin board for, for example, various kinds of stores to carry out discount information and publicity of the day in stores and in stores.

[0002]

2. Description of the Related Art Conventionally, as a billboard of this type, a billboard body is provided inside a bulletin board main body with a tension mechanism having a pair of take-up rollers so that the sheet can be wound and unwound. A plurality of advertisement displays, such as advertisements and pictures, are provided by a known method such as printing, and a predetermined advertisement display is made visible from a transparent display section of the bulletin board body.

[0003]

However, in the advertisement bulletin board, the user cannot change only a specific advertisement display or add a new advertisement display as desired. That is, since a predetermined advertisement display cannot be reused and a sheet having all necessary advertisement displays must be manufactured, there is a problem that a large burden is imposed on changing the advertisement display.

On the other hand, for example, Japanese Utility Model Registration No. 3056121 provides a structure in which a plurality of sheet pieces are connected by a fastener to form one long display sheet. However, in this configuration,
Because the connecting portion interferes with the roller of the stretching mechanism,
There is a problem that these rollers are damaged.

SUMMARY OF THE INVENTION It is an object of the present invention to provide an advertisement bulletin board which can easily add and replace an advertisement display and can prevent a roller constituting a stretching mechanism from being damaged.

[0006]

In order to solve the above-mentioned problems, an advertising bulletin board according to the present invention comprises a bulletin board main body having a transparent display part provided therein, and a stretcher comprising two or more rotatable rollers inside a bulletin board body. A mechanism is arranged, a long bulletin sheet provided with a plurality of advertisement displays such as characters and pictures is stretched on the stretching mechanism, and the stretching mechanism is rotated by a driving mechanism, thereby forming the billboard sheet. In an advertising bulletin board in which an advertisement display is moved so that a predetermined advertisement display can be seen from the outside through a display unit, the bulletin sheet is formed by a large number of bulletin sheet pieces formed for each advertisement display. Two or more first annular protrusions are provided at predetermined intervals on a first side perpendicular to the moving direction, and are located between the first annular protrusions on a second side opposite to the first side. So that the second annular projection is Are connected and replaceable to configure multiple posting sheet pieces by inserting the connecting member inside the first and second annular protrusion.

According to the above-mentioned advertisement bulletin board, the driving mechanism rotates the roller constituting the stretching mechanism,
The desired advertisement display provided on the bulletin sheet can be positioned on the display unit, and the advertisement content can be displayed. In addition, the notice sheet has a notice sheet piece formed for each advertisement display, and a second notice sheet piece is provided on a second side opposite to the first noticeable protrusion on the first side. Since the connection is made by inserting the connecting member in a state where the protrusions are alternately meshed with each other, it is easy to change a specific advertisement display or add a new advertisement display. Therefore, there is no need to newly manufacture a bulletin sheet including all the advertisement displays, and only the new desired advertisement display needs to be manufactured. As a result, the cost burden on the user can be reduced.

In the advertisement bulletin board, a first display section is provided on the front surface of the bulletin board body, and a second display section is provided on the rear face opposite to the first display section. The guide sheet is positioned on the display mechanism, and the posting sheet is stretched on the stretching mechanism so as to move in a substantially Z-shape. It is preferable that the advertisement display on one side of the bulletin sheet piece be made visible in the display section, and the advertisement display on the other side of the bulletin sheet piece be made visible in the other display section before and after. In this way, when installing this advertising bulletin board at a store, by installing the advertising board so that the front and rear surfaces are positioned along the flow of people, it is possible for both sides to see the advertising display from passers-by. It is more convenient because it can.

The connecting member is made of a bar that is shorter than a width from a third side parallel to the moving direction of the display sheet piece to a fourth side opposite thereto, and the roller of the stretching mechanism is connected to the connecting member. A thin roller portion is provided between the end of the member and the edge of the third side or the fourth side, and the roller portions are connected by a shaft. Preferably, the distance between the diameters is larger than the radius of the connecting member. With this configuration, it is possible to prevent the advertisement display provided on the connection member and each of the bulletin sheet pieces from contacting the roller. Therefore, it is possible to prevent the roller from being damaged, to prevent the advertisement display from being partially erased by contact with the advertisement display, and to prevent the appearance from being deteriorated, and to extend the usable period.

Further, a plurality of through holes are provided at predetermined intervals along the moving direction on the third side or the fourth side of the bulletin sheet piece, and a projecting piece inserted into the through hole is inserted into a roller portion of the roller. It is preferable to project radially to equalize the feed amount of each roller constituting the stretching mechanism so that a stable stretching state can be always maintained.

Further, the stretching mechanism includes a pair of winding rollers positioned at both ends of the bulletin sheet, and the driving mechanism includes a driving roller disposed between the winding rollers, the driving roller and the pair of winding rollers. And a power transmission member wound around the take-up roller, so that the pair of take-up rollers can be rotated synchronously.

In this case, it is preferable that a manual drive means is detachably provided at one end of the drive roller so that power is not consumed when changing the advertisement display.

[0013]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows an advertising bulletin board 2 according to an embodiment of the present invention. This advertising bulletin board 2 is composed of a bulletin board body 4
A plurality of (five in the figure) long notice sheets 12
Are arranged so as to be movable by a stretching mechanism 28, and the winding rollers 30A and 30B constituting the stretching mechanism 28 are rotated by a driving mechanism 54.

FIG. 1 and FIG.
As shown in (A) and (B), a plurality of display units 6A to 6A
E, 8A to 8E for displaying various advertisements. In the present embodiment, the first display portions 6A, 6B, 6C, 6D, 6E of the respective bulletin sheets 12A to 12E are provided on the front side, and these are provided. The second display 8A,
8B, 8C, 8D, and 8E are provided. These display units 6A to 6E and 8A to 8E have a structure in which a transparent resin panel is disposed in a window hole provided in the bulletin board body 4.
In these display units 6A to 6E and 8A to 8E, a height T which is a moving direction of the notice sheet 12 and a width W orthogonal to the moving direction of the notice sheet 12, which will be described later, are designed according to the contents of each advertisement display. Is done. In addition, the front and rear frames of the bulletin board body 4 include, for example, the name of a store serving as a user.
Various indications are described. Further, as shown in FIG.
An insertion hole 10 is provided on one side surface of the bulletin board main body 4 at a position corresponding to a drive roller 56 constituting a drive mechanism 54 described later.

The bulletin sheet 12 is shown in FIG.
As shown in FIG. 3B and FIGS. 3A and 3B, a plurality of notice sheet pieces 14 formed for each of a plurality of advertisement displays such as characters and pictures are connected by connecting members 22. The notice sheet piece 14 of the present embodiment can be made of any material such as paper, vinyl, cloth, etc., and the advertisement display is provided on both sides thereof by a known method such as printing, embroidery, writing, or the like.
In addition, the forming material may be unified to any one, or may be a combination of plural kinds.

In the present embodiment, a notice sheet is provided on the display sheet 12A provided on the display sections 6A and 8A, and a display of the product name is provided on the display sheet 12B provided on the display sections 6B and 8B. A display of conditions is provided on a bulletin sheet 12C provided on the sections 6C and 8C, a price display is provided on a display sheet 12D provided on the display sections 6D and 8D, and a display sheet provided on the display sections 6E and 8E. 12E is provided with a display of the sales point of the product. Note that these combinations and display contents can be variously changed depending on the type of business of the dealer to which the system is applied.

The notice sheet piece 14 is provided with a plurality (three in the illustrated embodiment) of first annular protrusions 16 at predetermined intervals on a first side 14a perpendicular to the moving direction. The second side 14b opposite to the first side 14a is provided with a second side so as to be located between the first annular protrusions 16.
An annular projection 18 is provided. These annular projections 16,
Numeral 18 is provided by folding a narrow sheet piece into a substantially U-shape and sewing or heat-welding the overlapped ends. In each of the bulletin sheet pieces 14, a plurality of through holes 20 are provided at predetermined intervals on the third side 14c and the fourth side 14d parallel to the moving direction.

As shown in FIGS. 3 (B) and 4, the connecting member 22 has a bar 24 provided with a retaining flange 24a at one end and a screw hole 24b provided at the other end of the bar 24. The mounting member 26 is attached by screwing. The attachment member 26 has a retaining flange 2 similar to the bar 24.
6a is provided. The mounting member 26 is provided with a male screw 26b.

In this embodiment, the connecting member 22 is formed such that the total length in the assembled state is shorter than the width from the third side 14c to the fourth side 14d of the display sheet piece 14, and the through hole is formed. It is configured such that the formation site of 20 protrudes outward from the end.

The stretching mechanism 28 is shown in FIGS.
As shown in (A), a pair of winding rollers 30 rotatably disposed in the bulletin board main body 4 so as to extend in the width direction.
A, 30B and guide rollers 44A, 44B, 44C,
44D.

The take-up rollers 30A, 30B are disposed at intermediate portions in the front-rear direction of the bulletin board main body 4 so as to be rotatable at predetermined intervals in a height direction which is a moving direction of the notice sheet 12. These winding rollers 30A, 30B
Flanges 32 are provided in the vicinity of both ends of the bulletin board. A space between these flanges 32 is used as a winding portion 34 of the bulletin sheet 12 and a connecting portion outside the flange 32 for connecting to a driving mechanism 54 described later. 36 are provided. The connecting portion 36 has a large-diameter winding portion 38 continuous with the flange portion 32. A power transmission member 68 constituting a drive mechanism 54 described later is provided on an outer peripheral surface of the winding portion 38.
The projecting piece 40 inserted through the driving through hole 70 is radially projected in accordance with the pitch of the driving through hole 70. Outside the winding portion 38, a shaft portion 42 rotatably disposed on a bearing portion (not shown) provided on the bulletin board main body 4 is provided so as to protrude therefrom.

The guide rollers 44A, 44B, 44
As shown in FIG. 1 and FIG. 5B, C and 44D are rotatably disposed on the display portions 6A to 6E and 8A to 8E of the bulletin board main body 4 so as to be located at both ends in the moving direction. It was done. Each guide roller 44A, 44B, 44
C and 44D are provided with narrow roller portions 46 at both ends. These roller portions 46 are provided with the winding rollers 30A, 3A.
0B, the end of the connection member 22 and the third side 14c or the fourth side 1
It is located between the edge of 4d and connected by a shaft 48. On the outer peripheral surface of the roller portion 46, a projecting piece 50 that is inserted into the through hole 20 of the bulletin sheet 12 is radially projected in accordance with the pitch of the through hole 20. Outside the roller portion 46, the winding roller 30A,
Similarly to 30B, a shaft portion 52 rotatably disposed on a bearing portion (not shown) provided on the bulletin board main body 4 is projected. The interval between the outer diameter of the shaft 48 and the outer diameter of the roller portion 46 is
The connecting member 22 is formed so as to be larger in radius than the retaining flange portions 24a and 26a. The connecting member 22 is configured not to interfere with the shaft 48 when the connecting member 22 passes, and the bulletin sheet 12 itself is also formed. It does not interfere with the shaft 48. In FIG. 1, 44E is
This is a detour guide roller for preventing the notice sheet 12 from interfering with a driving roller 56 described later.

In this embodiment, the stretching mechanism 2
In FIG. 8, as shown in FIG. 1, the bulletin sheet 12 is attached to a winding section 34 of one of the winding rollers 30A, and one of the first display sections 6A, 6B, 6C, 6D, 6D, from the winding section 34.
It is wound around the guide roller 44A of 6E. The notice sheet 12 is provided on the same first display units 6A and 6A.
After being wound around the guide roller 44B on the side of B, 6C, 6D, 6E, the second display section 8 is guided through the guide roller 44E.
A, 8B, 8C, 8D, and 8E are wound around guide rollers 44C located at diagonals. Furthermore, this guide roller 4
Second display units 8A, 8B, 8C, 8D, 8E identical to 4C
Is wound around the guide roller 44D, and is attached to the winding unit 34 on the other winding roller 30B. In this way, the notice sheet 12 is stretched in a substantially Z-shape, and one of the first display portions 6A to 6E has one surface of the notice sheet piece 14 (FIG. 1).
Shown by solid and medium lines. ) Is made visible, and the other second display portions 8A to 8E are configured so that the other surface (shown by a broken line in FIG. 1) of the posted sheet piece 14 is made visible.

The drive mechanism 54 is connected to the winding roller 30.
A and 30B are rotated to wind up the bulletin sheet 12 with one winding roller 30A or winding roller 30B, and the other winding roller 30B or winding roller 30A.
The display sheet 12 is moved so as to be unwound from the drive roller 56, as shown in FIGS.
It comprises a power transmission member 68 and a manual drive means 72.

The driving roller 56 is connected to the tension mechanism 28.
Is disposed rotatably between the pair of winding rollers 30A, 30B.
8 is provided with a roller portion 58 having the same diameter and the same width. These roller portions 58 are connected by a shaft 60. Also, on the outer peripheral surface of the roller portion 58, similarly to the winding portion 38, the projecting piece 62 is formed.
Are projected radially. Further, outside the roller portion 58, a shaft portion 64 rotatably disposed on a bearing portion (not shown) provided on the bulletin board main body 4 is provided in a protruding manner. In addition, a concave portion 66 having a predetermined shape that is not symmetrical is provided on one end surface of the shaft portion 64, and the concave portion 66 is inserted into the insertion hole 1 of the bulletin board main body 4.
It is arranged so as to be located within 0.

The power transmission member 68 is wound around the drive roller 56 and the pair of winding rollers 30A and 30B, and is composed of a pair of elastic endless belts. These belts are used for the winding rollers 30A, 30B.
And the roller portion 58 of the drive roller 56
The driving through-holes 70 are provided at predetermined intervals in the middle portion thereof so as to match the pitch of the protruding pieces 40 and the protruding pieces 62.

The driving means 72 is, as shown in FIG.
Drive roller 56 exposed from insertion hole 10 of bulletin board body 4
A rotating shaft 74 that engages with the shaft portion 64 of the first shaft, a rotating operation shaft 82 that rotates the rotating shaft 74, and a casing 96 that accommodates one end of these rotating shafts.

The rotating shaft 74 has a diameter at one end which is fitted to the shaft portion 64, a fitting recess 76 at a protruding end thereof, and a projection 78 engaging with the recess 66. A bevel gear 80 is provided at the other end of the rotary shaft 74 opposite to the end at which the fitting recess 76 is formed.

The rotary operation shaft 82 includes a cylindrical first shaft member 84 and a second shaft member 9 inserted into the first shaft member 84.
It consists of 0. A bevel gear 86 meshing with the teeth of the bevel gear 80 is provided at the upper end of the first shaft member 84, and transmits the rotation of the first shaft member 84 to the rotation shaft 74. Further, the first shaft member 84 is provided with a plurality of positioning holes 88 at predetermined intervals along the longitudinal direction. At the lower end of the second shaft member 90, a bent operation portion 92 is provided. The operation unit 9
On the upper part of 2, a cylindrical holding portion 94 is rotatably provided. Further, one hole (not shown) is provided at the upper end of the second shaft member 90, and this hole is connected to the first shaft member 84.
By aligning the positioning holes 88 at predetermined positions and inserting pins, the total length of the rotary operation shaft 82 can be changed to a desired length. The first shaft member 84
Is made to have magnetism, and is configured to be able to maintain the engaged state by being attracted to the end of the drive roller 56 with a magnetic force.

The casing 96 has a well-known structure that accommodates the end portions of the rotating shaft 74 where the bevel gear 80 and the bevel gear 86 of the rotary operation shaft 82 are provided and holds them in a mutually engaged state.

In the advertising bulletin board 2 having the above-described structure, a plurality of notice sheet pieces 14 having desired heading indications are provided on both front and back surfaces at a store, and these are connected by a connecting member 22 to form a long notice sheet 12A. To form Similarly, a plurality of notice sheet pieces 14 provided with a display of a desired product name, a plurality of notice sheet pieces 14 provided with a display of a desired condition, a plurality of notice sheet pieces 14 provided with a display of a desired price, Notice sheet points 1 with multiple sales point indications
4 are provided and connected by the connection member 22 for each type to form the notice sheets 12B, 12C, 12D, and 12E, respectively. Then, each of the bulletin sheets 12A to 12E is
As shown in FIG. 1, each roller 3 constituting the stretching mechanism 28
0A, 30B, and 44A to 44D are stretched in a substantially Z-shape.

As described above, the bulletin sheet 12 applied to the advertisement bulletin board 2 of the present embodiment is configured by connecting the bulletin sheet pieces 14 formed for each advertisement display by the connection member 22, so that a specific advertisement display is performed. Or it is easy to add a new advertisement display. Therefore, it is not necessary to newly manufacture the bulletin sheet 12 including all the advertisement displays, and only the advertisement display desired to be newly added need be manufactured. As a result, it is possible to reduce the cost burden at the store that is the user. Further, the respective display sheet pieces 14 do not necessarily need to be formed of the same material.

When the advertising bulletin board 2 is installed in a store, the advertising bulletin board 2 is installed above the store like a signboard using a well-known bracket (not shown), or is installed on the street of the store using a base (not shown). At this time, the bulletin board main body 4 is moved along the flow of people to the display units 6A to 6E and 8A to 8E.
By installing so that the front and rear surfaces with
A passerby can see the advertisement display from both front and rear.

When the clerk of the store changes the advertisement display, the rotation shaft 74 at the upper end of the driving means 72 is placed at the height of the insertion hole 10 of the display section 6A to 6E or 8A to 8E to be changed.
The length of the rotary operation shaft 82 is adjusted so that the values substantially coincide with each other.
The operation unit 92 and the grip unit 9 of the driving unit 72
4, the fitting concave portion 76 at the protruding end of the rotating shaft 74 is fitted to the shaft portion 64 of the drive roller 56 of the desired display portion 6A to 6E or 8A to 8E. Rotate.

As a result, the rotation operation shaft 82 rotates, and the rotation is transmitted to the rotation shaft 74 via the bevel gear 80 and the bevel gear 86. By the rotation of the rotating shaft 74, the rotation is transmitted to the shaft portion 64 of the drive roller 56 engaged with the protruding end.

When the drive roller 56 rotates, the roller portion 58 rotates, so that the projecting piece 62 protruding from the roller portion 58 and the driving through hole 70 of the power transmission member 68 mesh with each other. The power transmission member 68 is rotated.

As a result, the pair of winding rollers 30A, 30
B rotates in synchronization with the same rotation direction, and the posting sheet 12 is wound up by one of the winding rollers 30A and 30B, and the posting sheet 12 is unwound from the other winding roller 30.

Then, the winding rollers 30A, 30A
By the winding and unwinding by B, the bulletin sheet 12 moves in a substantially Z-shape according to the guides of the guide rollers 44A, 44B, 44C and 44D.

At this time, each guide roller 44A, 44B,
44C and 44D rotate in accordance with the movement of the notice sheet 12 due to the engagement between the through-hole 20 of each notice sheet piece 14 constituting the notice sheet 12 and the second protrusion. In addition, the feed amounts of the guide rollers 44A, 44B, 44C, and 44D are equalized, and the notice sheet 12 is wound around the winding rollers 30A,
It is possible to always maintain a stable stretched state without causing slack during 30B.

Further, the guide rollers 44A, 44
B, 44C, and 44D are formed such that the distance between the outer diameter of the shaft 48 and the outer diameter of the roller portion 46 is larger than the radius of the connecting member 22 to which each of the bulletin sheet pieces 14 constituting the bulletin sheet 12 are connected. ing. The connection member 22 is formed to be shorter than the width of the sign sheet 12. for that reason,
As shown in FIG. 7, it is possible to prevent the advertisement display provided on the connection member 22 and the notice sheet pieces 14 from contacting the rollers. As a result, it is possible to prevent the guide roller 44 from being damaged, to prevent the advertisement display from partially disappearing, and to prevent the appearance from being deteriorated, and to prolong the usable period.

As described above, the notice sheet 12 can be moved by the manual driving means 72 without consuming unnecessary electric power, and a desired advertisement display can be displayed on the display sections 6A to 6A.
When it is positioned at 6E, 8A to 8E, the operation of the driving means 72 is stopped.

The advertising bulletin board 2 of the present invention is not limited to the configuration of the above embodiment. For example, in the above embodiment, the display units 6A to 6E,
8A to 8E are provided, and the sign sheet 12 is adjusted in a Z-shape to make the advertisement display visible from both front and rear sides. However, when installed in a store, as shown in FIG. The parts 6A to 6E may be provided so as to be visible only from the front. In this case, as shown in FIG.
2 is one of the winding roller 30A and the guide roller 44
A, via the guide roller 44B, the other winding roller 30
It is stretched in a substantially U-shape over B.

In the embodiment and the modification of FIG. 8, the pair of take-up rollers 30A and 30B
2, the display units 6A to 6E and 8A to 8E may be rotatably arranged at predetermined intervals in the front-rear direction. May be rotatably disposed at predetermined intervals in a diagonal direction between the display units 6A to 6E and 8A to 8E.

Further, in the above embodiment, the bulletin board main body 4
Are installed in the vertical direction, but may be installed in the horizontal direction.

Further, the driving mechanism 54 is constituted by a driving roller 56 having a projection 58 formed on a roller portion 58 and a power transmission member 68 comprising an endless belt provided with a plurality of driving through holes 70. However, a combination of a belt and a pulley or a combination of a gear and a chain may be used, and may be deformed as desired.

The notice sheet 12 is rotated by rotating the driving rollers 56 constituting the driving mechanism 54 to rotate the winding rollers 30A and 30B of the stretching mechanism 28.
Although it has been moved, one of the winding rollers 30A, 30B may be directly rotated by the driving means 72 constituting the driving mechanism 54.

Further, the winding rollers 30A and 30B constituting the stretching mechanism 28 are provided with the same roller portions and protrusions as the guide rollers 44A to 44D, so that the posted sheet 12 and the connecting member 22 do not interfere with the shaft. It may be configured as follows.

Further, in the above-described embodiment, the manual driving means 72 is applied. However, the driving means 72 may be electrically driven by an electric motor.

Then, as shown in FIG.
May be provided with a fluorescent lamp 100 for illumination. In this case, it is preferable to arrange the reflection plate 102 on the inner edges of the display units 6A to 6E and 8A to 8E. If you do this,
Advertising at night becomes possible, and the reflector 102
Thereby, energy saving can be achieved.

[0050]

As is clear from the above description, in the advertisement bulletin board of the present invention, the notice sheet is provided with notice sheet pieces formed for each advertisement display, and the adjacent notice sheet pieces are provided on the first side. The first annular projection is connected to the second annular projection provided on the second side opposite to the second annular projection by inserting the connecting member in a staggered state, so that a specific advertisement display is changed. Or it is easy to add a new advertisement display. Therefore, there is no need to newly manufacture a bulletin sheet including all the advertisement displays, and only the new desired advertisement display needs to be manufactured. As a result, the cost burden on the user can be reduced. Further, when a new notice sheet piece is formed, the material for forming the notice sheet piece does not necessarily have to match the material of the existing notice sheet piece, and can be changed as desired.

Further, the connecting member is made of a bar material shorter than the width of the display sheet piece, and the roller of the stretching mechanism is configured such that an end of the connecting member and an edge of the third side or the fourth side are connected to each other. Since the distance between the outer diameter of the shaft connecting these roller parts and the outer diameter of the roller part is larger than the radius of the connecting member, the connecting member and each of the bulletin boards are provided. It is possible to prevent the advertisement display provided on the sheet piece from coming into contact with the roller shaft. Therefore, it is possible to prevent the roller from being damaged, to prevent the advertisement display from being partially erased by contact with the advertisement display, and to prevent the appearance from being deteriorated, and to extend the usable period.

[Brief description of the drawings]

FIG. 1 is a schematic sectional view showing an advertising bulletin board of the present invention.

2A is a front view of FIG. 1, and FIG. 2B is a rear view of FIG.

FIGS. 3A and 3B are front views showing a connection structure of a notice sheet piece.

FIG. 4 is an exploded perspective view showing the connection member of FIG. 3 (B).

FIGS. 5A and 5B are perspective views showing end portions of respective rollers constituting a stretching mechanism.

FIG. 6 is a sectional view taken along line VI-VI of FIG. 1;

FIG. 7 is an enlarged sectional view showing a part of FIG. 1;

FIG. 8 is a schematic sectional view showing a modified example of the advertising bulletin board of the present invention.

FIG. 9 is a schematic cross-sectional view showing another modification of the advertising bulletin board.

[Explanation of symbols]

2 advertisement bulletin board, 4 bulletin board body, 6A to 6E first display section, 8A to 8E second display section, 12 bulletin sheet, 1
4 ... notice sheet piece, 14a ... 1st side, 14b ... 2nd side,
14c: third side, 14d: fourth side, 16: first annular projection, 18: second annular projection, 20: through hole, 22: connecting member, 28: stretching mechanism, 30A, 30B: winding Roller, 4
4A to 44E: guide roller, 54: drive mechanism, 56:
Driving roller, 68: power transmission member, 72: driving means.

Continued on the front page (72) Inventor Kiyoaki Suekane 2-3-1-408 Shimizugaoka, Tarumizu-ku, Kobe City, Hyogo Prefecture (72) Inventor Isayuki 3-1-1, Kobashiyamahoncho, Tarumi-ku, Tarumi-ku, Kobe City, Hyogo Prefecture F Terms (reference) 5C095 AA90 BA13 BA17 EE21

Claims (6)

[Claims] 1. A stretching mechanism composed of two or more rotatable rollers is disposed inside a bulletin board body partially provided with a transparent display portion, and a plurality of characters, pictures and the like are provided on the stretching mechanism. By stretching a long bulletin sheet provided with an advertisement display and rotating the stretching mechanism by a drive mechanism, the advertisement display on the bulletin sheet is moved so that a predetermined advertisement display can be seen from the outside through the display unit. In the advertising bulletin board, the notice sheet is formed of a number of notice sheet pieces formed for each advertisement display, and two or more first notice sheets are provided at a predetermined interval on a first side perpendicular to the moving direction of each notice sheet piece. An annular projection is provided, and a second annular projection is provided on a second side opposite to the first side so as to be located between the first annular projections. By inserting a connecting member inside the annular projection Billboard, characterized in that connected and replaceable configure posting sheet piece number. 2. A bulletin board main body having a first display portion provided on a front surface thereof, and a second display portion provided on a rear surface thereof opposed to the first display portion, wherein the extending mechanism is located on both sides of the display portions. A guide roller is provided, and the bulletin sheet is stretched to the stretching mechanism so as to move in a substantially Z-shape, and the advertisement display is provided on both sides of each bulletin sheet piece, and is displayed on one of the front and rear display portions. The advertisement bulletin board according to claim 1, wherein an advertisement display on one side of the sheet piece is made visible, and an advertisement display on the other side of the posted sheet piece is made visible on the other front and rear display units. 3. The connecting member is made of a bar that is shorter than a width from a third side parallel to a moving direction of the notice sheet piece to a fourth side opposite thereto, and the roller of the stretching mechanism is connected to the connecting member. A thin roller portion is provided between the end of the member and the edge of the third side or the fourth side, and the roller portions are connected by a shaft. The advertising bulletin board according to claim 1 or 2, wherein a diameter interval is set larger than a radius of the connection member. 4. A plurality of through holes are provided at predetermined intervals along a moving direction on a third side or a fourth side of the notice sheet piece, and a protrusion inserted into the through hole is inserted into a roller portion of the roller. The advertising bulletin board according to claim 3, wherein the advertising bulletin board is provided so as to project radially. 5. The stretching mechanism includes a pair of winding rollers located at both ends of a bulletin sheet, and the driving mechanism includes a driving roller disposed between the winding rollers, and a driving roller and a pair of the driving rollers. The advertising bulletin board according to any one of claims 1 to 4, comprising a power transmission member wound around a winding roller. 6. The advertising bulletin board according to claim 5, wherein a manual driving means is detachably provided at one end of the driving roller.