JP3304125B2 - Paper cassette and recording apparatus using the same - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION This invention is, overlapping the cut sheet
The present invention relates to a sheet cassette to be housed and a recording apparatus using the same .

[0002]

2. Description of the Related Art Conventionally, when a cut sheet is used as a recording sheet in a copying machine, a facsimile, or the like, a sheet cassette for stacking the cut sheets is used for setting a sheet in the machine. Usually, a partition plate is detachably provided in a paper feed cassette in order to be able to use paper of a plurality of sizes, and the partition plate is mounted at a position corresponding to a sheet size to be used.

[0003]

However, in the conventional paper feed cassette, when the paper is placed on the bottom plate, there is almost no gap between the side edge and the edge of the paper and the bottom plate. Therefore, there is a problem that it is difficult to insert a hand under the sheet when trying to remove the sheet remaining in the sheet cassette, and it is difficult to remove the sheet.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and provides a paper feed cassette capable of easily taking out sheets remaining in the cassette and a recording apparatus using the same. is there.

[0005]

In order to solve the above-mentioned problems, the invention of the paper feed cassette according to the first aspect has a bottom plate on which sheets of a plurality of sizes can be placed, and completely surrounds four sides of the bottom plate.
The side plates installed in the paper feeding direction at intervals substantially equal to the maximum size of paper that can be stacked, and
When the maximum size paper is loaded by regulating the side edges of the paper
A partition plate substantially in contact with the side plate, a first groove provided in the bottom plate so as to intersect one side edge of the sheet when a sheet of maximum size is stacked on the bottom plate, and a maximum size in the bottom plate. A second groove provided in the bottom plate so as to intersect the trailing edge of the sheet when a sheet of a smaller size is loaded, and one end of the first groove is formed on the side plate.
And when the maximum size paper is loaded
Corresponding to the width of the partition plate between the side edge of the recording paper and the side plate.
The first groove is exposed from a gap formed. Further, the invention of the paper feeding cassette according to claim 2 is a bottom plate on which sheets of a plurality of sizes can be placed, and a space in the paper feeding direction which is arranged on four sides around the bottom plate and has a maximum size in which paper can be stacked. A side plate installed at substantially equal intervals, a first projection provided on the bottom plate so as to intersect one side edge of the sheet when a sheet of maximum size is stacked on the bottom plate, and the bottom plate A second projection provided on the bottom plate so as to intersect the trailing edge of the sheet when a sheet smaller than the maximum size is stacked. Also,
According to a third aspect of the present invention, there is provided a paper feed cassette having a bottom plate on which sheets of a plurality of sizes can be placed, and arranged in four directions around the bottom plate, and the interval in the paper feed direction is substantially equal to the maximum size of the stackable sheets. A side plate installed at an interval, a first protrusion provided on the bottom plate so as to intersect one side edge of the sheet when a sheet of the maximum size is stacked on the bottom plate, A second projection provided on the bottom plate so as to intersect the trailing edge of the sheet when loading a sheet of a size smaller than the size, wherein one end of the first projection reaches the side plate. Is what it is. According to a fourth aspect of the present invention, there is provided the sheet feeding cassette according to any one of the first to third aspects, further comprising a partition plate for regulating a trailing edge of the stacked sheets of paper. The maximum size of the stackable sheets is placed on the side plate in the sheet feeding direction, and the length is substantially equal to the length when the partition plate is fixed to the trailing edge of the sheet. According to a fifth aspect of the present invention, there is provided a recording apparatus including the sheet feeding cassette according to any one of the first to fourth aspects.

[0006]

Since the present invention has the above configuration, when a sheet of the maximum size is put in the sheet cassette, the first groove or projection is located below one side edge of the sheet. Therefore, a space for inserting a hand (finger) below the side edge of the sheet is formed in that portion, and the sheet can be easily grasped and taken out by inserting the hand there. When a small-size sheet is inserted, the second groove or projection is located below the trailing edge of the sheet, and therefore, a space is formed in that portion to allow a hand to reach below the trailing edge of the sheet. By inserting a hand there, the paper can be easily grasped and taken out.

[0007]

FIG. 1 is a schematic plan view showing a sheet cassette according to an embodiment of the present invention, in which small-sized sheets are stored.
FIG. 2 is a schematic plan view showing the sheet cassette in a state in which sheets of the maximum size are stored. In this specification, the terms “front and back” are based on the paper feed direction of the paper feed cassette. 1 and 2, reference numeral 1 denotes the entire paper feed cassette, 2 denotes a bottom plate of the paper feed cassette, 3 denotes a side plate disposed around the bottom plate, and 4a and 4b denote side plates for regulating a side edge of a sheet to be set. Reference numeral 5 denotes a partition plate for regulating the trailing edge of the sheet to be set, 6a denotes a small-size sheet to be set in the sheet cassette 1, and 6b denotes a maximum-size sheet to be set to the sheet cassette 1. The mounting positions of the partition plates 4a, 4b and 5 can be changed with respect to the bottom plate 2, and the partition plates 4a, 4b and 5 can be positioned at positions corresponding to the sheets to be used, for example, at the positions shown in FIG. 2 can be attached to the position shown in FIG. Usually, paper cassette 1
Is the maximum size of paper that can be set.
b is set substantially equal to b.

In this paper feed cassette 1, its bottom plate 2
When the maximum size paper 6b is set,
b so as to intersect at least one side edge of the first groove 7
Is provided, and a second groove 8 is provided so as to intersect the trailing edge of the sheet 6a when the sheet 6a having a smaller size than the maximum size is set. This first groove 7
As shown in FIG. 3, the second groove 8 is formed in such a size that a finger can be inserted therein and the paper 6a can be grasped. In the illustrated embodiment, the first groove 7 and the second groove 8 are connected, and the whole is substantially L-shaped. However, the present invention is not limited to this, and the first groove 7 and the second groove 8 may not be connected. It may be a continuous configuration.

In the paper feed cassette 1 having the above configuration, the partition plate 4
a, 4b and the partition plate 5 are fixed at the positions shown in FIG. 1, and when used as a cassette for accommodating the small-sized paper 6a, a second groove 8 is formed below the trailing edge of the set paper 6a. Will be located. Therefore, when it becomes necessary to take out the paper 6a from the paper feed cassette 1, a finger can be inserted into the space in the second groove 8 to grasp the rear end of the paper 6a, and the paper 6a can be easily drawn. Can be taken out. In addition, when using for the maximum size paper 6b,
The partition plates 4a and 4b and the partition plate 5 are fixed at the positions shown in FIG. 2, and the sheet 6b of the maximum size is to be stored, but the first groove 7 is located below the side edge of the set sheet 6b. Therefore, a finger can be inserted into the first groove 7 to grasp the side edge of the sheet 6b, and the sheet 6b can be easily taken out. In this case, the side edge of the set sheet 6 and the side plate 3
And a gap corresponding to the partition plate 4b.
Since the first groove 7b is exposed, put your finger from there
Can be

In the above embodiment, the first groove 7 and the second groove 8 are provided in the bottom plate 3, but a projection may be used instead of the groove. FIG. 4 shows an embodiment in that case, in which a second projection 8a is provided so as to intersect the trailing edge of the small-sized paper 6a. When the second projection 8a is provided, when the sheet 6a is placed thereon, the second projection 8a
Since the space 9 is formed on both sides of the space a, the user can easily grasp the paper 6a by inserting a finger into the space 9. The same applies to the case where a projection is provided instead of the first groove 7.

[0011]

As is apparent from the above description, the paper feed cassette according to the present invention is designed so that when a sheet of the maximum size is set on the bottom plate, the first sheet intersects at least one side edge of the sheet. A groove or projection is provided, and a second groove or projection is provided so as to intersect the trailing edge of the sheet when a small-size sheet smaller than the maximum size is set. Sometimes, the paper can be easily grasped by utilizing the space formed by the first groove or projection located under one side edge, and when a small size paper is inserted, Can be easily grasped by utilizing the space formed by the second groove or projection located below the trailing edge, and has a very simple structure in which only the groove or projection is provided. Easily remove excess paper It has the effect of enabling Succoth.

[Brief description of the drawings]

FIG. 1 is a schematic plan view showing a sheet cassette according to an embodiment of the present invention in a state in which small-size sheets are stored.

FIG. 2 is a schematic plan view showing the sheet cassette in a state in which sheets of a maximum size are stored.

FIG. 3 is a schematic perspective view showing a rear end portion of the small-sized paper in a state where the small-sized paper is set in the paper feed cassette;

FIG. 4 is a schematic perspective view showing a rear end portion of a small-size sheet set in a sheet cassette according to an embodiment different from the above embodiment;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Paper feed cassette 2 Bottom plate 3 Side plate 4a, 4b Partition plate 5 Partition plate 6a, 6b Paper 7 First groove 8 Second groove 8a Second protrusion 9 Space

──────────────────────────────────────────────────の Continued on the front page (72) Inventor Kenji Koshiga 1006 Kadoma Kadoma, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. (56) References JP-A-3-88630 (JP, A) JP-A-60-244719 (JP, A) JP-A-2-95628 (JP, A) Japanese Utility Model Showa 56-62345 (JP, U) Shokai Sho 62-47535 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) B65H 1/26 B65H 1/04 G03G 15/00

Claims (5)

(57) [Claims] 1. A bottom plate on which a plurality of sizes of sheets can be placed, and a bottom plate which is disposed on four sides around the bottom plate and has a space in the paper feeding direction which is substantially equal to the maximum size of the stackable sheets. The side plate and the side edge of the loaded paper
Partition that almost touches the side plate when paper of size is loaded
A plate, a first groove provided in the bottom plate so as to intersect one side edge of the sheet when a sheet of the maximum size is stacked on the bottom plate, and a sheet of a size smaller than the maximum size on the bottom plate. anda second groove provided in the bottom plate so as to intersect the trailing edge of the sheet when stacking, the first
The groove has one end reaching the side plate, and has a maximum size.
When a sheet of paper is loaded, the side edge of the sheet and the side plate
Between the first groove and the gap corresponding to the width of the partition plate.
A paper feed cassette characterized by exposing the paper. 2. A bottom plate on which sheets of a plurality of sizes can be placed, and arranged on four sides around the bottom plate and spaced apart in the paper feeding direction at intervals substantially equal to the maximum size of sheets that can be stacked. A side plate, a first protrusion provided on the bottom plate so as to intersect one side edge of the sheet when a sheet of the maximum size is stacked on the bottom plate, and a sheet of a size smaller than the maximum size on the bottom plate. A second projection provided on the bottom plate so as to intersect the trailing edge of the paper when the paper is loaded. 3. A bottom plate on which sheets of a plurality of sizes can be placed, and are disposed on four sides around the bottom plate, and are set at intervals substantially equal to the maximum size of the stackable sheets in the sheet feeding direction. A side plate, a first protrusion provided on the bottom plate so as to intersect one side edge of the sheet when a sheet of the maximum size is stacked on the bottom plate, and a sheet of a size smaller than the maximum size on the bottom plate. A second projection provided on the bottom plate so as to intersect with a trailing edge of the sheet when the paper is stacked, wherein one end of the first projection reaches the side plate. Paper cassette. 4. A partition plate for regulating a trailing edge of the stacked sheets, and a sheet having a maximum size that can be stacked is placed on the side plate in a sheet feeding direction. paper feed cassette as claimed in any one of claims 1 to 3 which is characterized by substantially equal to the length of time that a partition plate is fixed. 5. A recording apparatus comprising the sheet cassette according to any one of claims 1 to 4 .