JPH0375357B2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a slide file sheet, in particular,
This invention relates to a slide file sheet that securely protects a slide film with a mount held in a plurality of rectangular recesses from dust, fingerprints, etc.

As a conventional slide file sheet of this type, there is one shown in FIG. 1, for example.

This type of slide file sheet 1 consists only of a film holding plate made of a rectangular plastic sheet that is transparent or translucent, in other words, has light transmitting and diffusive properties. It has a plurality of rectangular depressions 4 formed by a plurality of horizontal bars 2 and vertical bars 3 that intersect with these horizontal bars 2 and extend vertically in a continuous manner, and each of these rectangular A presser plate 5 is provided to protrude inward from the side wall of the recess 4, in this case the side wall of each horizontal beam 2, into the rectangular recess 4.

According to this slide file sheet 1, by pushing the slide film 6 with a mount toward the inside of the rectangular recess 4 as shown by arrow A in the figure from the tip side of the presser plate 5, the slide film 6 can be mounted. The portions 6a are pressed against the bottom wall 7 of the recess by the holding plate 5 and are held in alignment within the rectangular recess 4.

This slide file sheet 1 can be produced by, for example, binding a plurality of sheets into an album by engaging a fastener in a binding hole 8 provided on one side of the slide file sheet 1.
Alternatively, by attaching a hanging bar to the binding hole 8 and other parts thereof and hooking the hanger bar to a hanger rail of a cabinet drawer, a large number of slide films 6 can be efficiently organized and stored. On the other hand, this slide file sheet 1 can be mounted horizontally on an overhead type projector while holding the slide films 6 thereon, so that each slide film 6 held thereon can be placed on the screen as required. Enables selective projection according to the situation.

Therefore, this type of slide film sheet has the advantage that it is possible to organize and store the slide films 6 easily and quickly without touching each slide film 6 directly.

However, according to such conventional technology, the slide file sheet is constructed only by the film holding plate, and the holding plate has a plurality of rectangular recesses 4 having a bottom wall 7 and a portion inside each rectangular recess 4. The slide film 6 held in the rectangular recess 4 is
Although the back side emulsion side is sufficiently protected from dust and scratches by the bottom wall 7, dust and scratches on the front side
There was a drawback that it could not effectively prevent the adhesion of fingerprints, etc. Therefore, in order to always obtain a clear projected image on the screen, it is necessary to handle the slide file sheet 1 with great care to prevent them from adhering to the film surface. For example, when the file sheet 1 is left on a desk for several hours or even several days, or when the slide file sheet 1 bound in an album is often touched with a finger on the surface of the film inadvertently, If the slide film 6 is wet with water, dust, fingerprints, etc. must be wiped off from the image area 6b of each slide film 6 with gauze soaked in alcohol, and scratches on the film surface may be removed. There were problems such as the value of the valuable slide film 6 being significantly damaged.

This problem is even more serious in other types of file sheets in which the bottom wall 7 of the rectangular recess 4 is provided with an opening corresponding to the film image in the center.

Therefore, in order to solve these problems, a light-transmitting diffusion bag as described in, for example, Japanese Utility Model Publication No. 54-3784 has been proposed. Because of the poor opening properties of the light-transmitting diffusion bag, it is actually extremely troublesome to re-storage the slide file sheet into the light-transmitting diffusion bag. Confirmed empirically.

The present invention provides a slide file sheet that advantageously solves these problems by eliminating the above-mentioned drawbacks of the prior art.

The slide file sheet of the present invention includes a plurality of rectangular recesses and a holding plate projecting inwardly from each rectangular recess, and sometimes includes a film holding plate that includes an opening provided in the bottom wall of the rectangular recess. One or two flexible covers are fixed to the side edges, and the flexible covers cover the slide film held on the film holding plate from both the front and back sides. According to
In addition to sufficiently protecting the slide film from dust, fingerprints, scratches, etc., the film holding plate is protected by the action of the diffused light that passes through the light-transmitting diffuser cover or light-transmitting diffuser portion that covers the back side of the slide film. When performing a preliminary inspection of the images of each slide film held in the camera, the film images can be clearly viewed.

Moreover, here, when projecting a film image onto a screen, it is possible to produce a clear projected image extremely easily and simply by simply turning over the cover of the slide file sheet attached to the overhead type projector. .

Thus, according to the present invention, it is possible not only to protect the slide file sheet and, by extension, the slide film aligned and held therein very easily and reliably, but also to easily perform a preliminary inspection of the film image. And once you are sure,
It is possible to completely prevent the occurrence of the unreasonable problem of unexpected separation of the slide file sheet from the cover.

The present invention will be explained in detail below based on the drawings.

FIG. 2 is a perspective view showing one embodiment of the present invention, and parts in the figure that are equivalent to those in FIG. 1 are designated by the same numbers.

In the figure, reference numeral 11 indicates a transparent or light-transmitting and diffusive film holding plate, and this film holding plate 11 has a plurality of rectangular depressions 4 divided by horizontal bars 2 and vertical bars 3, and each A pair of presser plates 5 are provided that protrude inward from the side wall of the rectangular depression 4.

Here, each rectangular depression 4 has an opening 12 in the center of its bottom wall 7 with a shape and size corresponding to the image area 6b of the slide film 6.

Further, in the figure, reference numeral 13 indicates a transparent plastic cover, and this plastic cover 13 is fixed to the surface side of the film holding plate 11 at one side edge that resists the side portion where the binding holes 8 are provided. It is attached by adhesive etc., and the film holding plate 1
It has dimensions approximately equal to 1. Preferably,
The lateral dimension of the plastic cover 13 is defined as the dimension in which the binding holes 8 are exposed when the film holder 11 is covered with the plastic cover 13.
This makes it easy to store the items using the fasteners.

Further, reference numeral 14 in the figure indicates a semi-transparent light-transmitting diffusion cover, and the illustrated light-transmitting diffusion cover 14 has the same side edge portion as the plastic cover 13, and the holding plate 1
It is attached to the back side of 1 by fixing, gluing, etc.

That is, as shown in the figure, the film holding plate 11
When the bottom wall 7 of the film 6 is provided with an opening 12 corresponding to the film image, it is the emulsion fixing surface, rather than the surface side of the film 6, that must be particularly effectively protected from dust, fingerprints, scratches, etc. Since it is on the back side of the film holding plate 11, a translucent light-transmitting diffusion cover 14 is attached to one side edge of the back side of the film holding plate 11.
The emulsion surface of each slide film 6 is protected by attaching it to the film holding plate 11 and covering the back side of the slide film 6 stored thereon.

Moreover, since the light-transmitting and diffusive cover 14 is used here, when searching for the slide film 6 inside the film holding plate 11, the holding plate 1
While covering with the light-transmitting diffusion cover 14 on the back side of 1,
By exposing the slide file sheet 15 to light, the film image can be clearly viewed due to the diffused light rays from the cover.

Therefore, here, the light-transmitting diffusion cover 14 not only protects the back side of the slide film 6, but also functions to facilitate its retrieval.

According to the slide file sheet 15 configured in this way, the film holding plate 11 is not attached to each cover 1 except when projecting an image on the slide film 6 and when taking out and taking out the slide film 6.
3 and 14, the slide film 6
Dust adhesion to the front and back sides of the
The slide film 6 can be reliably protected from fingerprints and scratches during handling of the slide file sheet 15.

Moreover, one cover 13 is transparent here,
Since the other cover 14 is light-transmitting and diffusive,
When searching for a specific slide film 6, by exposing the slide file sheet 15 to light with both covers 13 and 14 attached, the light diffused by the light-transmitting diffuser cover 14 makes the film image clear. As a result, the desired film can be found extremely easily.

Incidentally, when projecting a film image using the overhead type projector using this slide file sheet 15, the projection can be performed extremely easily by simply flipping the respective covers 13 and 14 in a direction that does not interfere with the projection. is possible,
The projected image is always clear because the slide film 6 is protected by the plastic cover 13.

Furthermore, after the projection of the film image is completed, the protection of the slide film 6 can be reproduced by simply covering each film with both covers 13 and 14, and such protection can be achieved by The covers 13 and 14 are the film holding plate 11
As long as it is fixed, it will not be lost.

In the embodiment shown in FIG. 3, the film protection plate 11 described in FIG.
When the opening 12 is removed from the bottom wall 7 of the film holding plate 11, a cover 18 is fixed to one edge of the front side of the film holding plate 11 to cover the front side and the back side of the film holding plate 11. The longer half of the cover 18 closer to the film holding plate, the transparent part 18a covering the front side, and the half farther away from it,
The transparent portion 18a and the light-transmitting diffusion portion 18b each have binding holes 18c and 18d corresponding to the binding holes 8, respectively.

The transparent portion 18a here functions to protect the front surface side of the slide film 6 at times other than when projecting a film image, and the light transmitting and diffusing portion 18b prevents transmitted light from entering the slide film 6 when searching for it. It functions to make it easier to see the film image by diffusing it.

Therefore, here, the single cover 18 provides the same function as the two covers in the previously described embodiment.

Note that this means that the cover 18 is fixed to one edge of the back side of the film holding plate 11, and the half of the cover 18 closer to the holding plate is used as a light transmitting diffusion portion 18b that covers the back side.
The transparent part 1 that covers the front side of the other half
The same applies to the case of 8a.

Incidentally, in addition to the above-described features, the film holding plate 11 of this example has a mount support part 17 at each corner of the bottom wall 7 that projects upward from the bottom wall surface. , acts to lift the mount portion 6a of the slide film 6 inserted into the rectangular recess 4 from the bottom wall surface as described above.

For this reason, the slide film 6 in the recess is
The distance from the bottom wall surface is greater than that of the prior art shown in FIG. 6
When projecting a film image while being held on the film holding plate 11, it is important to note that the bottom wall 7 is transparent and has light-transmitting and diffusive properties, and that it is sufficiently out-focused. This effectively prevents the images from being displayed on the screen.

FIG. 4 is a modified sequence of the example shown in FIG. 3,
This means that a cover 19 is fixed to one side edge of the front surface of the film holding plate 11, which has the same lateral dimension as described in connection with FIG. 2, but has a vertical dimension twice that shown in FIG. The part fixed to the film holding plate 11, in other words, the lower half, is a transparent part 19a, and the remaining part is a light-transmitting diffusion part 19b.
That is.

In this example, first, the entire cover 19 is folded back to the front side of the film holding plate 11, and then the light transmitting diffusion portion 19b is folded back to the back side thereof, thereby producing the same effect as described with reference to FIG. In addition, when storing the slide file sheet 15 in an album shape, by folding the cover 19 from the top side to the back side, it is possible to prevent dust from entering the slide file sheet 15 from above while storing it vertically. Adhesion can be reliably prevented.

Note that when the cover 19 is fixed to one side edge of the back side of the film holding plate 11, the transparent portion 19a
As described above, it is necessary to reverse the positions of the light transmitting and diffusing portion 19b.

Furthermore, it goes without saying that the above techniques described in connection with FIGS. 3 and 4 can also be applied to the film holding plate 11 with openings as shown in FIG. It has already been said that this part also performs the protective function of the film.

As is clear from the above description, according to the present invention, by fixing the cover on the side edge of the film holding plate and covering the front and back sides of the slide film with this cover, dust and dirt can be removed from the slide film. Since it can be reliably protected from fingerprints, scratches, etc., handling of the slide file sheet becomes easier, and a clear projected image is always provided without the troublesome wiping operation. Furthermore, the action of the light-transmitting diffusion cover or the light-transmitting diffusion portion makes it possible to extremely easily search and foresee the slide film.

[Brief explanation of drawings]

FIG. 1 is a perspective view showing a conventional example, and FIGS. 2 to 4 are perspective views each showing an embodiment of the present invention. 2...Horizontal bar, 3...Vertical bar, 4...Rectangular recess, 5
...Press plate, 6...Slide film, 6a...
Mount part, 6b...image area, 7...bottom wall, 8,
18c, 18d... Stitching hole, 11... Film holding plate, 12... Opening, 13... Plastic cover, 14... Transparent diffusion cover, 15... Slide file sheet, 17... Mount instruction section, 1
8, 19...cover, 18a, 19a...transparent portion, 18b, 19b...light-transmitting diffusion portion.

Claims (1)

[Scope of Claims] 1. A plurality of rectangular depressions arranged vertically and horizontally, a presser plate for pressing a mounting portion of a slide film with a mount placed in each rectangular depression against the bottom wall of the depression, and a presser plate provided on the bottom wall of the rectangular depression. A flexible plastic cover having at least a transparent portion covering the image area of the slide film in each rectangular recess is fixed to one side edge of the front side of the film holding plate having an opening corresponding to the image area of the slide film. Further, a slide file sheet is provided, in which a flexible light-transmitting diffusion cover having dimensions substantially corresponding to the dimensions of the film holding plate is fixed to one side edge of the back side of the film holding plate. 2. Either the front side or the back side of a transparent film holding plate having a plurality of rectangular recesses arranged in a row and a row and a presser plate that presses the mounting part of the slide film with a mount placed in each rectangular recess against the recess bottom wall. A flexible cover covering each side of the film holding plate is fixed to one side edge,
This flexible cover has a slide file sheet in which the part located on the front side of the film holding plate is a transparent part, and the part located on the back side thereof is a light-transmitting and diffusing part. 3. A plurality of rectangular depressions arranged vertically and horizontally, a presser plate for pressing the mounting portion of the slide film with a mount arranged in each rectangular depression against the bottom wall of the depression, and a presser plate provided on the bottom wall of the rectangular depression to form an image area of the slide film. A flexible cover covering each side of the film holding plate is fixed to one edge of either the front side or the back side of the film holding plate having a corresponding opening, and the film holding plate of this cover is A slide file sheet in which the front side of the board is a transparent part, and the back side is a light-transmitting and diffusing part.