JPH04327431A - Sheet size display device - Google Patents

Abstract

PURPOSE:To provide a sheet size display device capable of performing the display and detection of sheet size almost simultaneously. CONSTITUTION:A display detecting member 4 is formed of signal parts 11 detected by detecting means S1, S2, S3 provided at a sheet storage part for storing various sizes of sheets or in the vicinity of this sheet storage part, and display parts 8 for displaying the size of the sheets inserted into the sheet storage part. This display detecting member 4 is removably provided at the sheet storage part or in the vicinity of the sheet storage part so as to detect the size of the sheets stored in the sheet storage part and to display the size of the sheets by one display detecting member 4. When the size of the sheets stored in the sheet storage part is changed, the detection and display of sheet size after the change can be performed almost simultaneously by the simple action of mounting the display detecting member 4 again.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a paper size display device used in copying machines, printers, facsimile machines, and the like.

0002

2. Description of the Related Art Copying machines and the like are generally provided with a paper storage section for storing paper of various sizes. Further, a paper size display device is provided to inform the operator of the size of the paper stored in the paper storage section. Such a conventional paper size display device is equipped with means for detecting the size of the paper stored in the paper storage section and means for displaying the size of the paper. Since the means for detecting the paper size has only one function of detecting, and the means for displaying the paper size has only one function of displaying, they are each placed at different positions by separate members. It is provided.

0003

However, since the means for displaying the paper size and the means for detecting the paper size are provided by separate members and at different positions,
When changing the size of paper stored in the paper storage section,
There is a problem in that it is necessary to change the means for displaying the paper size and the means for detecting the paper size separately, and it takes time and effort to change them.

0004

[Means for Solving the Problem] In the invention as set forth in claim 1, a paper storage section is formed in which paper of various sizes is stored,
A display comprising a detection means provided in or near the paper storage section, and a signal section detected by the detection means and a display section displaying the size of the paper stored in the paper storage section. A detection member is removably provided in or near the paper storage section.

In the invention according to claim 2, in the invention according to claim 1, the display detection member includes a plurality of signal portions that are selectively detected for each paper size by the detection means for a plurality of paper sizes. and a plurality of display sections that display the size of paper stored in the paper storage section for each size.

[0006]

[Operation] In the invention according to claim 1, the detection means detects the size of the paper stored in the paper storage section by detecting the signal section of the display detection member, and the display section of the display detection member detects the size of the paper stored in the paper storage section. It becomes possible to display the size of the paper stored in the holder, detect the size of the paper with a single display detection member, and display the size of the paper, and
When changing the size of paper stored in the paper storage section,
By simply reinstalling the display detection member, it is possible to change the signal section and the display section almost simultaneously in accordance with the changed paper size.

In the invention as set forth in claim 2, the detection means selectively detects the signal portion of the display detection member for each paper size for a plurality of sizes of paper, and the display portion of the display detection member detects the signal portion of the display detection member for each paper size. It is possible to display the size of paper stored in the paper storage section for each size, and to detect and display each size for multiple sizes of paper using a single display detection member. When changing the size of paper stored in the paper, the signal section and the display section can be changed almost simultaneously to match the changed paper size by simply reinstalling one display detection member.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be explained based on the drawings. First, an outline of the overall configuration of the paper size display device of this embodiment will be described based on FIGS. 2 to 4. A3, A4, B
A cassette case 1 is formed as a box-shaped paper storage section capable of storing four types of paper sizes of 4 and B5. A display window 2 is formed on the front surface of the cassette case 1 to display the size of the paper stored in the paper storage section. A pocket 3 is formed on the back side of the display window 2. A display detection member 4 that is detachably held in this pocket 3 is provided. Further, the cassette case 1 is divided into upper and lower parts with a partition plate 5 in between. Then, on the partition plate 5 in the vertical direction of the pocket 3,
A slit 6 is formed through which a part of the display detection member 4 attached to the pocket 3 passes. Further, a cassette table 7 having a recessed portion for holding the cassette case 1 in a detachable manner in the direction of the bidirectional arrow is provided. In front of the concave portion of the cassette table 7, there are three paper size detection switches S1, S2, and S as detection means.
3 are arranged in a line along the front side.

Next, the configuration of the main parts of the paper size display device of this embodiment will be described based on FIG. The display detection member 4
A flat rectangular display board 9 having four types of display parts 8 consisting of character displays A3, A4, B4, and B5 is formed on each of the four sides of the display board 9. ，
Different pressing surfaces 10 for each size of A4, B4, B5 size
A signal section 11 is formed. Then, when the cassette case 1 is inserted into the cassette table 7, the signal section 11 of each of the display detection members 4 passes through the slit 6 of the cassette case 1 to the paper size detection switches S1, S2, S3. A3 of the paper,
It is formed to be pressed selectively according to A4, B4, and B5 sizes.

[0010] In such a configuration, first, an operator stores sheets in the cassette case 1. For example, A4
It shall store paper of the same size. The display detection member 4 is inserted into the pocket 3 according to the A4 size of the stored paper. Then, the cassette case 1 is inserted into the cassette table 7. With this insertion, the signal part 11 of the display detection member 4 passes through the slit 6 of the partition plate 5 of the cassette case 1, and selectively switches S1 and S2 of the paper size detection switch according to the A4 size of the paper by the pressing surface 10. Press to
This detects the A4 size of the paper. At this time, from the display window 2 of the cassette case 1, the character display A4 of the display section 8 indicating the size of the paper stored in the cassette case 1 is displayed.

On the other hand, the A4 paper stored in the cassette case 1
When changing the size of paper to, for example, B5 size paper, the operator takes out cassette case 1 from cassette table 7, takes out A4 size paper from cassette case 1, and changes it to B5 size paper, as shown by the virtual line in FIG. Stores paper. Then, the display detection member 4 is taken out from the pocket 3 of the cassette case 1 and reinserted according to the B5 size, and the cassette case 1 is inserted into the cassette table 7. Along with this insertion, the pressing surface 10 of the signal section 11 of the display detection member 4 selectively presses the paper size detection switches S2 and S3 in accordance with the B5 size of the paper, so that the B5 size paper is detected. Ru. At this time, the character display B5 of the display section 8 is displayed from the display window 2 of the cassette case 1. In this way, simply by changing the insertion direction and reinserting the display detection member 4 inserted into the pocket 3 of the cassette case 1, the display of the paper size is changed from A4 to B5, and the B5 size of the paper is detected. Ru.

Therefore, one display detection member 4 is provided with both the function of detecting a plurality of paper sizes for each size and the function of displaying a plurality of paper sizes for each size. 4 allows the paper size to be detected and displayed for each size, compared to conventional paper size display devices in which means for displaying the paper size and means for detecting the paper size are provided in separate positions. , there is only one location to place it. Furthermore, when changing the size of the paper stored in the cassette case 1, simply by changing the insertion direction of one display detection member 4 and reinserting it, the changed paper size can be detected and displayed almost simultaneously. It becomes possible.

[0013]

[Effects of the Invention] The invention described in claim 1 forms a paper storage section in which sheets of various sizes are stored, and a detection means is provided in or near the paper storage section, and the detection means detects the A display detection member having a signal section for indicating the size of the paper stored in the paper storage section and a display section for displaying the size of the paper stored in the paper storage section is removably provided in or near the paper storage section. The detection means detects the size of the paper stored in the paper storage section by detecting the signal section of the display detection member, and the display section of the display detection member displays the size of the paper stored in the paper storage section. The paper size can be detected and displayed using two display detection members, and when changing the size of the paper stored in the paper storage section, the signal section can be used simply by reinstalling the display detection member. This has the advantage that the display section and the display section can be changed substantially simultaneously in accordance with the changed paper size.

The invention according to claim 2 is the invention according to claim 2, in which the display detection member is configured to include a plurality of signal portions that are selectively detected for each paper size by a detection means for a plurality of paper sizes. and a plurality of display sections that display the size of paper stored in the paper storage section for each size, so that the detection means can display the signal section of the display detection member for each size of paper for a plurality of sizes of paper. selectively detecting, the display section of the display detection member displays the size of paper stored in the paper storage section for each size, and one display detection member detects a plurality of paper sizes for each size; The display can be displayed for each size, and when changing the size of paper stored in the paper storage section, just by reinstalling one display detection member, the signal section and display section can be used to change the size of the paper after the change. It has the advantage of being able to be changed almost simultaneously in accordance with the changes.

[Brief explanation of drawings]

FIG. 1 is a plan view showing an embodiment of the present invention.

FIG. 2 is a perspective view schematically showing the overall configuration of a paper size display device.

FIG. 3 is a plan view of the paper size display device of FIG. 2;

FIG. 4 is a longitudinal cross-sectional side view taken along line A-A in FIG. 3;

[Explanation of symbols]

1 Paper storage section 4
Display detection member 8
Display section 11 Signal section S1, S2, S3 Detection means

Claims (2)

[Claims] 1. A paper storage section in which sheets of various sizes are stored, a detection means provided in or near the paper storage section, and a signal section detected by the detection means and the paper storage section. A paper size display device, characterized in that a display detection member having a display section for displaying the size of the paper stored in the paper storage section is detachably provided in or near the paper storage section. 2. The display detection member includes a plurality of signal portions that are selectively detected for each size of paper by the detection means for a plurality of sizes of paper, and a display that displays the size of the paper stored in the paper storage portion for each size. 2. The paper size display device according to claim 1, further comprising a plurality of display portions for displaying the paper size.