JPH09269742A - Advertisement display device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an advertisement display device which supports advertisement without making it broken or sagged even though it is made of a thin film ring sheet. SOLUTION: A pair of ring chains links the upper and the lower sides of an external housing. Each chain has many catching sections 33. These sections 33 are provided with catching metallic pieces 34 and coil springs 35. The pieces 34 are restrained to the link pieces which form the chains. One end of the spring 35 is caught by the piece 34 and the other end is caught to an eyelet 2c of the edge of a ring sheet 2. Therefore, both edges of the sheet 2 are connected to ring chains 3 and 4 through many sections 33. The springs 35 of the sections 33 provide proper tension to the sheet 2. Thus, the sheet 2 is pulled between the chains without being broken or sagged.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an advertisement display device capable of sequentially displaying a plurality of advertisement contents.

[0002]

2. Description of the Related Art A billboard has one type of advertisement content consisting of characters, pictures, photographs, etc., but this is not enough, and there is a device for sequentially displaying a plurality of types of advertisement content.

For example, the applicant of the present invention has proposed an advertisement display device for sequentially displaying a plurality of types of advertisement contents in response to a utility model registration application (Actual Application No. 7-6666) filed previously. In this device, a pair of annular chains are bridged along substantially opposite two sides of the display area, an annular sheet is supported between these annular chains, and these annular chains are rotated together with the annular sheets. A plurality of types of advertisement content are drawn in advance on the annular sheet, and each advertisement content is sequentially conveyed and displayed in the display area as the annular sheet rotates.

[0004]

By the way, a tough sheet may be applied as the annular sheet, but in the case of a thin film-like sheet, each annular chain is not broken or loosened. It was difficult to support in the meantime.

Further, if the annular sheet is attached in advance before the advertisement display device is installed outdoors, no problem will occur. However, when replacing the annular sheet of the advertisement display device already installed outdoors, Since it often goes to high places and the work of exchanging the annular sheet is complicated, it is dangerous and time-consuming.

Therefore, an object of the first invention is to support a thin film-like annular sheet without breaking or loosening it.

Another object of the second invention is to simplify the work of replacing the annular sheet.

[0008]

In order to solve the above-mentioned problems, the advertisement display device according to the first aspect of the invention has two display areas facing each other.
A pair of annular chains spanning substantially along the sides, a plurality of sprockets for supporting each annular chain, a sprocket drive means for driving at least a pair of sprockets hanging on each annular chain, and arranged between the annular chains. Annular sheet, and provided on each annular chain, a plurality of locking portions connected to both edges of the annular sheet, each annular chain is formed by connecting each link piece by each tubular shaft, Each locking portion is provided on each link piece of each annular chain, and the locking piece is locked through the inside of each tubular shaft on both sides of the link piece, and the edge of this locking piece and the annular sheet. And a coil spring that intervenes between them and connects the locking piece to the edge of the annular sheet.

According to this structure, the annular sheet has both edges thereof locked by the coil springs, and is connected to the annular chains via the coil springs and the locking pieces. Even if the annular sheet is in the form of a thin film, it can be supported without breaking and slacking if the tension by these coil springs is appropriately set.

The advertisement display device according to the second aspect of the present invention includes a pair of annular chains extending substantially along two opposite sides of the display area, a plurality of sprockets for supporting each annular chain, and each annular chain. A sprocket drive means for driving at least a pair of sprocket to be hung, an annular sheet arranged between each annular chain, and a plurality of locking portions provided on each annular chain and connected to both edges of the annular sheet, The annular sheet is formed by connecting a plurality of sheet pieces with a plurality of fasteners.

Here, the annular sheet is formed by connecting the respective sheet pieces with respective fasteners. When removing the annular sheet, the fasteners are opened to divide the sheet pieces, and then the sheet pieces are removed from the annular chains. When mounting the annular chain, the sheet pieces are individually supported between the annular chains, and then the sheet pieces are connected by the fasteners. By exchanging the annular sheet in this manner, the work can be easily completed.

[0012]

Embodiments of the present invention will be described below with reference to the accompanying drawings.

1 to 8 show an embodiment of the advertisement display device according to the present invention. This advertisement display device has an exterior housing 1 as shown in FIG. 1, and an annular sheet 2 is arranged inside the exterior housing 1. The front surface of the exterior housing 1 is opened and serves as a rectangular display area 1a. The annular sheet 2 is flatly extended in the rectangular display area 1a, and is folded back several times on the back side of the rectangular display area 1a. By folding back several times, the annular sheet 2 is moved to the rectangular display area 1
The length is set to four times a.

The annular sheet 2 is in the form of a thin film. The annular sheet 2 includes four sheet pieces 2a _{-1 to} 2a _-4 and these sheet pieces 2a _-1 as shown in FIG.
4a to 2a- ₄ are connected to each other. The sheet pieces 2a- _{1 to} 2a _{- 4} are slightly larger than the rectangular display area 1a, and the advertisement contents are drawn on the sheet pieces 2a- _{1 to} 2a _{- 4} .

FIG. 3 shows a schematic structure of the inside of the outer casing 1. As shown in FIG. 3, a pair of annular chains 3,
4 is bridged to the upper side and the lower side. The upper annular chain 3 is bridged between the two display area sprockets 5a and 5b and extends substantially along the upper side of the rectangular display area 1a. Further, the upper annular chain 3 is folded back to the back side of the rectangular display area 1a to reach the driving sprocket 6a and the tension sprocket 7a, and is folded back again by these sprockets 6a, 7a to form the rear sprocket 8a.
It is guided to a and 8b, and is folded back again by these sprockets 8a and 8b. Similarly, the lower annular chain 4 is also bridged over the respective display area sprockets 5c and 5d, folded back to the back side of the rectangular display area 1a, folded back again by the driving sprocket 6b and the tension sprocket 7b, and rear surface sprockets 8c. , 8d is folded back again.

Each sprocket that bridges the upper annular chain 3 and each sprocket that bridges the lower annular chain 4 are interconnected by respective rotating shafts 10-15.

At the upper end of one of the rotary shafts 12,
One sprocket 16a of one set of drive sprockets 16a and 16b is fixed, the other drive sprocket 16b is fixed to the output shaft of the motor 17, and a drive chain 16c is bridged over these drive sprockets 16a and 16b. . When the motor 17 is started, the rotary shaft 12 rotates, the upper and lower driving sprockets 6a, 6b rotate, and the annular chains 3, 4 rotate.

A tension device 18 as shown in FIG. 4 is provided at each end of the rotary shaft 13 which supports the tension sprockets 7a and 7b. The tension device 18 includes a bearing portion 19 that pivotally supports one end of the rotating shaft 13,
A guide frame 20 for slidably supporting the bearing portion 19
And a bolt 21a and a nut 21b connected to the bearing portion 19.

Each tension device 18 at both ends of the rotary shaft 13
In, the nut 21b is loosened, and then the bolt 21a is rotated to move the bearing portion 19. Thereby, the tension of each of the upper and lower annular chains 3 and 4 is adjusted. After this, the nut 21b is tightened and the bearing 1
9 is positioned and fixed, and the tension of each annular chain 3 and 4 is held.

The upper annular chain 3 is supported by a plurality of sets of guide rails 22a and 22b as shown in FIG. These guide rails 22a and 22b are rectangular bars made of synthetic resin, and the annular chain 3 is slidably sandwiched between these rectangular bars.

As shown in FIGS. 6 and 7, a plurality of crosspieces 24 are fixed to the frame 23 inside the exterior housing 1.
A large number of bolts 25a are fixed to the guide rails 22a and 22b of each set. These bolts 25a
Each penetrates the crosspiece 24, and each is fixed to the crosspiece 24 by a set of nuts 25b.

For each set of guide rails 22a and 22b,
By loosening each nut 25b of each bolt 25a fixed to the guide rail, this guide rail is pressed against the annular chain 3 or this guide rail is attached to the annular chain 3
Can be separated from As a result, the annular chain 3 can be held slidably and reliably between the guide rails 22a and 22b of each set.

Similarly, the lower annular chain 4 is supported by a plurality of sets of guide rails 26a, 26b, and these guide rails are used for each rail 24 and each bolt 25a.
And is supported by each nut 25b.

FIG. 8 shows the annular chains 3 and 4 in an enlarged manner. The annular chains 3 and 4 are formed by connecting the link pieces 31 by the tubular shafts 32.
Every other one of these link pieces 31 is provided with a respective locking portion 33.

These locking portions 33 are equipped with locking metal fittings 34 and coil springs 35. The locking fittings 34 are locked to the tubular shafts 32 on both sides of the link piece 31, as shown in FIG. In addition, the coil spring 35 has one end of the locking metal fitting 34.
Is hooked on the bent portion 34a and the other end is hooked on the eyelet 2c at the edge of the annular sheet 2.

Therefore, both edges of the annular sheet 2 are connected to each of the annular chains 3 and 4 through the multiple locking portions 33. In addition, the coil springs 35 of the locking portions 33 extend and apply an appropriate tension to the annular sheet 2.

As a result, the annular sheet 2 is stretched between the upper and lower annular chains 3 and 4 without breaking or loosening.

If the annular sheet 2 is not a thin film, but is sufficiently thick and strong, the engaging portion 36 as shown in FIG. 10 can be applied. The locking portion 36 is provided with a pair of claw fittings 37 and 38 facing each other, and the holes on both sides of the one claw fitting 37 and the link piece 31.
Put the cylindrical shafts 32 on both sides of the
9a and the nut 39b attract and fix. Further, after inserting the edge of the annular sheet 2 between the claw fittings 37 and 38, the bolts 40 are tightened to sandwich the edge of the annular sheet 2 between them.

In the advertisement display device having such a structure, when the motor 17 is operated and each of the annular chains 3 and 4 is rotated, the annular sheet 2 is also rotated. The annular seat 2 is obtained by connecting the rectangular display area slightly larger four sheet pieces 2a than 1a _-1 to 2A region _-4 As mentioned earlier, these sheet pieces 2a _-1 to 2A region _{- The} contents of each advertisement are drawn in ₄ . Therefore, when the annular sheet 2 is rotated, the advertisement content of each of the sheet pieces 2a- _{1 to} 2a _{- 4} can be sequentially and repeatedly displayed in the rectangular display area 1a. When one sheet piece is conveyed to the rectangular display area 1a, the motor 17 is temporarily stopped and the advertisement content of this sheet piece is displayed for a while.

Also, in this display, the rectangular display area 1a
The neon tube 27 provided at the rear of the lamp is turned on to illuminate the sheet piece of the annular sheet 2 displayed in the rectangular display area 1a from the back surface thereof.

By the way, when the advertisement content of this advertisement display device is changed, the following procedure is performed.

First, each fastener 2b of the annular sheet 2 is opened to divide each sheet piece 2a- _{1 to} 2a _{- 4} .

Then, for each sheet piece 2a _{-1 to} 2a _-4 ,
The coil springs 35 of the locking portions 33 are removed from both edges of the seat piece, and the seat piece is removed from the annular chains 3 and 4.

Thereafter, for each new sheet piece 2a _{-1 to} 2a _{-4 in} which another advertisement content is drawn, both edges of the sheet piece are locked to the coil springs 35 of the locking portions 33, and the sheet piece is cut. Between the annular chains 3 and 4.

Subsequently, each new sheet piece 2a _-1 to 2
a- ₄ is connected by each fastener 2b, and one annular sheet 2 is formed from these sheet pieces 2a- _{1 to} 2a _{- 4} .

Such an operation is simple and easy as compared with the conventional operation for exchanging the annular sheet which cannot be divided into a plurality of sheet pieces, and can proceed safely and promptly even when performed at a high place. be able to.

Further, since it is possible to selectively exchange all the sheet pieces 2a- _{1 to} 2a _{- 4} without exchanging them, it is possible to partially change the advertisement content at a low cost. .

The present invention is not limited to this embodiment, and various modifications can be made. For example, the number of sheet pieces forming the annular sheet may be appropriately changed, or the folding back mode of the annular sheet on the back side of the display area may be changed. Further, instead of rotating the annular sheet horizontally, the annular sheet may be rotated vertically.

[0039]

As described above, in the advertisement display device of the present invention, the annular sheet is connected to each annular chain via the plurality of coil springs, and if the tension of these coil springs is set appropriately, the annular sheet will be formed. Even a thin film can be supported without breaking and slackening. Further, since the annular sheet is divided into a plurality of sheet pieces and these sheet pieces are connected by each fastener,
It is possible to easily replace the annular sheet.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of an advertisement display device of the present invention.

FIG. 2 is a perspective view showing an annular sheet in the apparatus shown in FIG.

FIG. 3 is a perspective view showing a schematic configuration of the apparatus of FIG.

FIG. 4 is a plan view showing a tension device in the device of FIG.

5 is a plan view showing the internal structure of the apparatus of FIG.

6 is a vertical cross-sectional view showing the internal structure of the apparatus of FIG.

FIG. 7 is a partially enlarged view of FIG. 6;

FIG. 8 is an enlarged perspective view showing an annular chain and a locking portion in the apparatus of FIG.

9 is an enlarged sectional view showing a link piece and a locking metal piece of the annular chain of FIG.

FIG. 10 is a perspective view showing another example of the locking portion.

[Explanation of symbols]

 1 Exterior Housing 2 Annular Sheet 3,4 Annular Chain 10-15 Rotating Shaft 17 Motor 23 Frame 31 Link Piece 32 Cylindrical Shaft 33 Locking Part 34 Locking Metal Fitting 35 Coil Spring

Claims (3)

[Claims] 1. A pair of annular chains spanning substantially along two opposite sides of a display area, a plurality of sprockets supporting each annular chain, and a sprocket driving at least a pair of sprockets hanging on each annular chain. The driving means, an annular sheet arranged between the annular chains, and a plurality of locking portions provided on each annular chain and connected to both edges of the annular sheet, each annular chain includes each link piece. Locking pieces that are formed by being connected by each tubular shaft, and that each locking portion is provided on each link piece of each annular chain and that is locked through the inside of each tubular shaft on both sides of the link piece. An advertisement display device, comprising: a coil spring which is interposed between the locking piece and the edge of the annular sheet and connects the locking piece to the edge of the annular sheet. 2. A pair of annular chains spanning substantially along two opposite sides of the display area, a plurality of sprockets supporting each annular chain, and a sprocket driving at least a pair of sprockets hanging on each annular chain. The driving means, an annular sheet arranged between each annular chain, and a plurality of locking portions provided on each annular chain and connected to both edges of the annular sheet, the annular sheet includes a plurality of sheet pieces. An advertisement display device that is connected by a plurality of fasteners. 3. The advertisement display device according to claim 2, wherein each sprocket is arranged such that each annular chain and annular sheet are folded back twice or more on the back side of the display area.