JPH03297737A - Paper sheet storage cassette - Google Patents

Abstract

PURPOSE:To facilitate regulation due to change of size by mounting a regulation plate which regulates the end of paper sheets on the internal face of side walls of a storage cassette case for the paper sheets whose size is different, and fixing it depending on size. CONSTITUTION:A rear end regulation plate 6 and a knotched section 9 for storage are provided on the internal face of a side wall 5 of a case 1 for paper cassette. A projection 7 is provided in the lower section of the tip of the rear end regulation plate 6, and a V-shaped groove is formed on its mounting section 11 to enable rotation of the mounting section at a support point. It is integral with the internal face of the side wall 5 in the condition where it is stored in the knotched section 9. On the bottom face of the case 1, an engaging hole 8 with which the projection 7 is engaged when the regulation plate 6 is turned by 90 deg. and an engaging hole 10 with which it is engaged when paper sheets are stored are provided. When the regulation plate 6 is turned by 90 deg., the rear end of A4 size paper sheets is regulated, and the A3 size paper sheets can be stored when they are stored. Consequently, it is possible to regulate it easily when size of the sheets is changed.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a storage cassette for storing paper sheets, such as copy paper.

(Prior Art) Conventionally, in a paper feed cassette for sheet-like copy paper of different sizes, as shown in FIG. A partition plate 21 is required for this purpose.

This partition plate 21 is for partitioning the inside of the main body case 20 according to the size of the copy paper to be stored. Inside the main body case 20, a support member 22 for removably supporting the partition plate 21 is provided on the inside of the side wall 23 of the main body case 20.
5. ..., B4. B5, . . . ). If you want to store, for example, A4 standard copy paper in this paper feed cassette, insert the partition plate 21 into the supporting member 22 at a certain position with the partition plate 21 marked as "A4" and convert the main body case 20 into A4 size copy paper. After separating, store the copy paper.

In the paper feed cassette described above, it is necessary to remove the partition plate 21 from the support member 22 and reinsert it each time copy sheets of different sizes are stored.

When performing this work, when the partition plate 21 is pulled out from the support member 22, there is a risk that the partition plate 21 will be lost.

(Problem to be solved by the invention) As described above, in the conventional paper sheet storage cassette,
When changing the size of paper sheets to be stored, the operation was to remove the partition plate and reinstall it. Therefore, there was a risk that the partition plate would be lost when the partition plate was removed.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a paper sheet storage cassette that allows the size of the paper sheets to be stored to be easily changed and further eliminates the risk of losing the partition plate.

[Structure of the Invention] (Means for Solving the Problems) In order to achieve the above object, the paper sheet storage cassette of the present invention includes a storage means for selectively storing paper sheets of different sizes, and a storage means for selectively storing paper sheets of different sizes. and a regulating means for regulating the edge of the paper sheet, and the regulating means is attached to the inner surface of the side wall of the storage means and has a structure in which it is rotated and fixed according to the size of the paper sheet to be stored. characterized by something.

(Function) When storing large-sized paper sheets, such as A3 size paper sheets, in the paper sheet storage cassette having the above structure, the regulating means (partition plate) is stored on the inner surface of the side wall of the storing means (main case). Store paper sheets while keeping them open. Further, when storing small-sized paper sheets, for example, A4 size paper, the regulating means (partition plate) attached to the inner surface of the side wall of the storing means (main body case) is rotated. The regulating means is installed at the edge of paper sheets within the storage means to partition the inside of the storage means, and the edges of small-sized paper sheets are regulated and stored.

(Embodiment) Hereinafter, an embodiment in which the present invention is applied to a paper feed cassette of a copying machine will be described in detail with reference to the drawings.

FIG. 1 is a diagram showing a schematic configuration of a paper feed cassette according to the present invention. This paper feed cassette includes a main body case 1 that stores paper, a paper push-up plate 2 that pushes up the paper and presses it against a pickup roller (not shown), and a separation claw 4 that separates the paper one by one. is provided. Also,
A trailing edge regulating plate 6 is attached to a predetermined position on the inner surface of the side wall 5 of the main body case 1 to regulate the trailing edge of the paper. This rear end regulating plate 6 is provided with a protrusion 7 below its tip, as shown in FIG. Furthermore, an engagement hole 8 that engages with the protrusion 7 of the rear end regulating plate 6 is provided in the bottom plate of the main body case 1 . The engagement hole 8 and the protrusion 7 of the rear end regulating plate 6 are arranged so that the rear end regulating plate 6 is 90 degrees relative to the side wall 5 of the main body case 1.
It engages when rotated to the angular position. Further, a notch 9 having substantially the same size as the rear end regulating plate 6 is provided on the inner surface of the side wall 5 of the main body case 1, and the rear end regulating plate 6 is housed in this notch 9. Furthermore, the rear end regulating plate 6 is inserted into the notch 9.
An engagement hole 10 that engages with the projection 7 is provided in the bottom plate of the main body case 1 at a portion where the projection 7 of the rear end regulating plate 6 is located when the rear end regulating plate 6 is stored. On the other hand, the aforementioned rear end regulating plate 6 is attached integrally with the side wall 5 of the main body case 1, as seen in FIG.
1 is thinner than other parts. Therefore, since the main body case and the rear end regulating plate 6 are made of resin such as plastic, the rear end regulating plate 6 is rotatable with respect to the side wall 5 of the main body case 1 due to the elasticity of the resin itself. .

Here, it is assumed that the maximum paper size that can be stored in the paper feed cassette of this embodiment is A3 size. Now, A3 size copy paper is stored in this paper feed cassette as shown in FIG. 3(a). Here, the A3 size copy paper is stored so that its long side is parallel to the direction in which the copy paper is conveyed as indicated by the arrow. Also, when storing A4 size copy paper using this paper feed cassette, as shown in Figure 3(b), the short side should be are stored so that they are parallel.

The operation when storing copy sheets of different sizes, for example, A3 size and A4 size copy sheets in the paper feed cassette having the above configuration will be described. First, when storing A3 size copy paper, the rear end regulating plate 6 is stored in the notch 9 provided on the inner surface of the side wall 5 of the main body case 1, as shown in FIG. 3(a). There is. At this time, the protrusion 7 of the rear end regulating plate 6 is fitted into the engagement hole 10 of the main body case 1.

On the other hand, when storing A4 size copy paper, the rear edge side plate 6
is rotated 90 degrees from the state stored in the notch 9, and the protrusion 7 of the rear end regulating plate 6 and the engagement hole 8 of the main body case 1 are aligned, as shown in FIG. 3(b). Make it fit. As a result, the inside of the main body case 1 is partitioned by the trailing edge regulating plate 6, and the trailing edge of A4 size copy paper can be regulated and stored.

The paper feed cassette described above can store copy sheets of sizes twice or half of each other, such as A4 size and A3 size, or 85 size and 84 size, for example. Furthermore, as shown in FIG. 4, by providing this paper feed cassette with a side edge regulating plate 12 that regulates the side edges of the copy paper, it is possible to copy two sheets of paper, such as A4 and 84, or A3 and 85, from each other. It is possible to store copy paper of a size that is not double or 1/2 times the size.

This side end regulating plate 12 is also attached to the inner surface of the side wall 5 of the main body case 1 similarly to the rear end regulating plate 6 described above. Further, as shown in FIG. 5, this side end regulating plate 12 is thinner in one part than the other part, and a protrusion 14 is provided below the tip thereof. The side end regulating plate 12 is bendable around the thin portion 13. Further, the side end regulating plates 12 are provided on both side walls 5 of the main body case 1.

Here, other configurations are the same as those of the rear end regulating plate 6 described above.

By using this side end regulating plate 12,
The operation when storing copy sheets of different sizes, for example, A3 size and 84 size copy sheets, which are not in a double size relationship, will be explained. First, when storing A3 size copy paper, as shown in FIG. 9 and 15, respectively. At this time, the protrusion 7 of the rear end regulating plate 6 and the protrusion 14 of the side end regulating plate 12 are respectively fitted into the engagement holes 10.16 provided in the main body case 1. On the other hand, when storing 84-size copy paper, as shown in FIG. The protrusion 7 is fitted into the engagement hole 8 of the main body case 1. Further, the side end regulating plate 12 is rotated 90 degrees from the state stored in the notch 15, and the side end regulating plate 12 is further bent around the thin part 13, so that the protrusion 14 of the side end regulating plate 12
is fitted into the engagement hole 17 of the main body case 1. As described above, the inside of the main body case 1 is partitioned by the rear edge regulating plate 6 and the side edge regulating plate 12, and the rear edge and side edges of 84-size copy sheets can be regulated and stored.

As described above in detail, the paper feed cassette of this embodiment is configured such that the rear end regulating plate 6 is integrated with the main body case 1. Therefore, there is no need to remove the trailing edge regulating plate 6 even when changing the size of the copy paper to be stored. Therefore, the rear end regulating plate 6 will not be lost or damaged. Also,
Since it can be integrally molded, manufacturing costs can be reduced. Further, since the rear end regulating plate 6 and the side end regulating plate 12 can be stored within the side wall 5 of the main body case 1 when not in use, no extra space is required, and the paper feed cassette itself can be downsized.

In the paper feed cassette of the above embodiment, the mounting portion of the rear end regulating plate 6 and the side end regulating plate 12 and the side wall 5 of the main body case 1 is integrally molded with resin. It is not limited to.

For example, as shown in FIG. 7, the rear end and side end regulating plates 6
, 12 and the main body case side wall 5 may be rotatably attached by a hinge 17. Alternatively, as shown in FIG. 8, a bearing part 18 may be provided on the main body case 1, and shaft parts 19 may be provided on the rear end and side end regulating plates 6, 12, and the two may be mounted rotatably by fitting them together. good. Note that the center of rotation at this time is the shaft portion 19.

Furthermore, in this embodiment, the paper feed cassette stores two different sizes of copy paper, but by providing multiple sets of trailing edge regulating plates and side edge regulating plates, it is possible to store two or more different sized copies You can also store paper.

[Effects of the Invention] As detailed above, according to the present invention, there is no need to lose the edge regulating plate, and the size of the paper sheets to be stored can be easily changed. can be provided.

[Brief explanation of drawings]

Figures 1 to 8 are diagrams for explaining this embodiment. Figure 1 is a perspective view of the appearance of the paper feed cassette, Figure 2 is a perspective view of the rear end regulating plate, and Figure 3 is a perspective view of the rear end. Diagrams for explaining the operation of the regulation plates; Figure 4 is an external perspective view of a paper feed cassette equipped with a side edge regulation plate; Figure 5 is an external perspective view of the side edge regulation plate; Figure 6 is a side edge regulation plate. Figure 7 is a diagram to explain the operation of the plate, Figure 7 is a diagram showing the relationship between the regulating plate attached via a hinge and the main body case, and Figure 8 is a diagram showing the relationship between the regulating plate installed on the regulating plate and the main body case. FIG. 9 is a perspective view of the appearance of a conventional paper feed cassette. 1] Main body case 6 Rear end regulating plate 9.15 Notch 12 Side end regulating plate

Claims (1)

[Claims] A storage means for selectively storing paper sheets of different sizes;
and a regulating means for regulating the ends of the paper sheets to be stored, the regulating means being attached to the inner surface of the side wall of the storage means and rotatably fixed according to the size of the paper sheets to be stored. A paper sheet storage cassette characterized by a structure that allows for storage of paper sheets.