JPH11222321A - Paper storage device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To set a paper guide in an optional position so as to be able to cope with also irregular paper by adding an auxiliary member to a paper storage device that can only cope with paper of specific size. SOLUTION: In this device, a rack member 3 is provided removably from a slit part 4a formed at a paper support face 4, and a paper guide positioning member 1 is provided with a rack part 1a with a rack that can be engaged with the rack 3a, at a part opposed to the rack 3a of the rack member 3 mounted in the slit part 4a. A paper guide can therefore be positioned in an optional position.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sheet storage device for stacking and storing sheets.

[0002]

2. Description of the Related Art A sheet storage device for stacking and storing sheets of paper is used as a paper feeding device such as a laser printer or a copying machine. In this type of paper storage device,
In a single paper storage device, for example, B5 size paper, B
It is common to provide a paper guide that is movable so as to be able to accommodate a paper of a selected size among four size paper, A4 size paper and A3 size paper, and various proposals have been made regarding the positioning configuration of the paper guide. Has been made.

[0003] As one of the positioning configurations of the paper guide,
The paper guide is provided with a positioning member for positioning the paper guide at a position of a predetermined paper size, and the leading end of the positioning member is engaged with a slit provided on a paper support surface of the paper storage device. Thus, a configuration for positioning a paper guide is known.

[0004]

In the conventional configuration,
For paper of a specific size such as B5, B4, A4, A3, etc., the paper guide can be accurately positioned, but paper of a size different from the specific size (hereinafter, referred to as “undefined paper”) is used. If the user wants to use the irregular-sized paper, the user has to replace it with a paper storage device dedicated to the irregular-sized paper.

SUMMARY OF THE INVENTION It is an object of the present invention to add an auxiliary member to a sheet accommodating apparatus that can only accommodate a sheet of a specific size, thereby making it possible to position a sheet guide at an arbitrary position, and to be able to accommodate irregular-sized sheets. It is an object of the present invention to provide a paper storage device.

[0006]

SUMMARY OF THE INVENTION The object of the present invention is to provide a paper support surface in which a slit is formed in advance corresponding to a specific paper size, a paper guide movably provided on the paper support surface, A rack provided with a predetermined pitch rack in a paper storage device having a paper guide positioning member provided on the paper guide and positioning the paper guide at a position of a selected paper size by engaging with the slit portion. A member is provided detachably with respect to the slit portion, and a rack portion having a rack engageable with the rack is provided at a portion of the paper guide positioning member facing the rack of the rack member mounted on the slit portion. This is achieved by:

[0007]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a cross-sectional view of a main part of the paper storage apparatus of the present invention, FIG. 2 is an overall perspective view of the paper storage apparatus of the present invention, FIG. 3 is an enlarged perspective view of main parts of the paper storage apparatus of the present invention, and FIG. FIG. In the present embodiment, the paper storage device will be described by exemplifying a paper feed hopper used for a paper feed device.

As shown in FIG. 2, a paper feed hopper A includes a paper support surface 4, a paper guide 2 movably provided on the paper support surface 4, and a slit provided on the paper guide 2 and described later. And a paper guide positioning member 1 for positioning the paper guide 2 at the position of the selected paper size by engaging with the paper feeding device main body (not shown). The paper feed hopper A is provided so as to be able to be pulled out of the main body of the paper feeder by being engaged and supported by the rail provided in (1).

Paper guide positioning member 1 and paper guide 2
Is connected to the spring 5 shown in FIG. 3 by the rotating part 2a. One end of the spring 5 is detachably attached to a part of the paper guide positioning member 1, and the other end of the spring 5 is It is attached to a part (FIG. 3 shows the paper guide 2 in a broken state, but in reality the paper guide 2 has a configuration as shown in FIG. 1, and the other end of the spring 5 is connected to the paper guide. 2). Further, a slit portion 4a is formed on the paper support surface 4 in advance so as to correspond to a specific paper size.

As shown in FIG. 4, a rack member 3 having a rack 3a of a predetermined pitch can be mounted on the slit portion 4a, and a projection 3b formed on the rack member 3 is engaged with the slit portion 4a. Thus, the rack member 3 is set as shown in FIG. A rack portion 1a having a rack engageable with the rack 3a is provided at a portion of the paper guide positioning member 1 facing the rack 3a of the rack member 3 mounted on the slit portion 4a. The rack 3a of the third unit 3 and the rack of the rack unit 1a mesh with each other, and the paper guide 2 is positioned. Further, the paper guide positioning member 1 is pressed against the rack member 3 by the spring 5 so that the paper guide 2 is reliably positioned. In FIG. 1, reference numeral 7 denotes a sheet stacked and stored on the sheet support surface 4.

To move the paper guide 2 to an arbitrary position, the paper guide positioning member 1 is rotated in the direction of the arrow in FIG. 1 to release the engagement between the paper guide positioning member 1 and the rack member 3. In this state, the paper guide 2 is moved in a direction perpendicular to the plane of FIG. 1, the paper guide 2 is moved to a predetermined position, and then the paper guide positioning member 1 is released. The paper guide 2 is positioned by engagement with the rack member 3.

When the rack member 3 is removed,
The leading end of the sheet guide positioning member 1 is directly engaged with the slit portion 4a, so that the sheet guide positioning member 1 can correspond to only a specific sheet size.

In the above-described embodiment, the configuration has been described in which the paper guide positioning member 1 is used also when the rack member 3 is mounted on the slit portion 4a and when the rack member 3 is not mounted. The paper guide positioning member may be exchanged between when and when it is not mounted.

In this case, as shown in FIG. 5, a paper guide positioning member 6 having no rack is prepared,
The spring 5 is removed from the paper guide positioning member 1, the paper guide positioning member 1 is removed from the rotating portion 2a, and the paper guide positioning member 6 is replaced.

[0015]

As described above, according to the present invention, it is possible to position the paper guide at an arbitrary position by adding an auxiliary member to the paper storage device that can only handle paper of a specific size. It is possible to provide a sheet storage device capable of handling irregular-sized sheets.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of a main part of a paper storage device of the present invention.

FIG. 2 is an overall perspective view of the sheet storage device of the present invention.

FIG. 3 is an enlarged perspective view of a main part of the sheet storage device of the present invention.

FIG. 4 is an overall perspective view of a rack member.

FIG. 5 is a sectional view of a main part showing another embodiment of the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Paper guide positioning member, 2 ... Paper guide, 3 ... Rack member, 4 ... Paper support surface.

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Kazuo Suno 1060 Takeda, Hitachinaka-shi, Ibaraki Prefecture Within Hitachi Koki Co., Ltd.

Claims (2)

[Claims] A sheet support surface in which a slit portion is formed in advance corresponding to a specific sheet size; a sheet guide movably provided on the sheet support surface; and a slit provided in the sheet guide. A paper guide positioning member for positioning the paper guide at a position of a selected paper size by engaging the paper guide unit with the paper guide, wherein a rack member having a rack of a predetermined pitch is detachably attached to the slit part. And a rack portion having a rack engageable with the rack is provided at a portion of the paper guide positioning member facing the rack of the rack member mounted on the slit portion of the paper guide positioning member. . 2. A paper guide positioning member used when the rack member is mounted on the slit portion and a paper guide positioning member used when the rack member is not mounted on the slit portion are exchanged for the paper guide. The paper storage device according to claim 1, wherein the paper storage device is provided so as to be capable of being provided.