JPH0795367A - Document placing device - Google Patents

Abstract

(57) [Summary] [Purpose] It is possible to prevent documents from coming into contact with the hinge member and being damaged or contaminated. Furthermore, the document table glass may come into contact with the hinge member or be damaged during maintenance. Provided is a document placing device capable of preventing the document placing device from becoming dirty. [Arrangement] An original placing table 13 having an original placing glass 12 which is an original placing portion for placing an original 11, and an original 11
An original placing device 10 including an original pressing plate 15 for pressing the original pressing plate 15 onto the original table glass 12, and a hinge member 14 for opening and closing the original pressing plate 15 at one edge of the original placing table 13 at one edge thereof. In the above, a damage preventing member 20 which is a protruding member is provided on the upper surface of the document placing table 13.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a document placing device used in a copying machine or the like.

[0002]

2. Description of the Related Art Conventionally, in order to securely fix an original on an original placing table such as a glass plate, an original pressing plate which can be opened and closed on the original placing table is provided. Then, an original pressing plate is placed on the upper surface of the original placed on the original placing table, so that the image is read while the original is brought into close contact with the original placing table.

FIG. 6 and FIG. 7 are views showing a typical example of a conventional document placing device. This document placing device 100 is
An original placing table 103 having an original placing glass 102 on which an original 101 is placed, and an original pressing plate 105 rotatably supported at one end edge of the original placing table 103 via a pair of hinge members 104 are provided. I am. In order to read the image of the original 101 using the original placing device 100, first, the original 101 is placed with its reading surface facing downward and with the index A and the index B on the original glass 102 abutting. (Fig. 6). After that, the document pressing plate 102 supported by the hinge member 104 is closed to bring the document 101 into close contact with the document table glass 102, and image reading is performed (FIG. 7).

Further, as a method of positioning the original 101,
There is also a so-called central reference system in which only the index A in the figure is abutted, but the document pressing plate 105 is also closed from above to bring the document 101 into close contact with the document table glass 102.

[0005]

However, in the above-described conventional document placing apparatus 100, the number of documents 101 is particularly 1.
When the original pressing plate 105 is opened, when the original pressing plate 105 is opened, the position of the original 101 is displaced and the original 101 rises up due to the wind pressure generated when the original pressing plate 105 is opened. Particularly, when the document pressing plate 105 is suddenly opened, the document 101 is blown by the negative pressure generated between the document mounting table 103 and the document pressing plate 105, and the document 101 drops from the document mounting table 103 or the hinge member 104. There was inconvenience such as breaking, scratching, or damage by contact with.

Further, in the document placing apparatus 100 for placing a large-sized document 101 such as A1 and A0 plates, the document pressing plate 105 becomes large and the wind pressure due to the opening operation of the document pressing plate 105 becomes further large. The original 101, which is blown off by the wind pressure, comes into contact with the hinge member 104, and the original is easily broken, scratched, or damaged.

Further, since the hinge member 104 is generally composed of a cam and a spring and grease is applied on the cam surface, when the original 101 comes into contact with the hinge member 104, the original 101 may be soiled with the grease.

Further, the service person may use the document placing device 10
When performing maintenance of 0, the original platen glass 102 may be moved while being moved to the hinge member 104 side. In this case, the platen glass 102 may be brought into contact with the hinge member 104, and the platen glass 102 may be scratched, damaged, or contaminated with grease.

The present invention has been made to solve the above-mentioned problems of the prior art, and its purpose is, for example, a document blown by the wind pressure when the document pressing plate is opened comes into contact with the hinge member and is damaged. Provided is a document placing device which can prevent the document platen glass from being damaged or soiled, and can prevent the document platen glass from coming into contact with the hinge member, being damaged, or getting dirty during maintenance. Especially.

[0010]

SUMMARY OF THE INVENTION To achieve the above object, a document placing apparatus of the present invention is a document placing table having a document placing section for placing a document, and the document is placed on the document placing table. A document placing device comprising: a document pressing plate that is pressed onto a document placing portion; and a hinge member that attaches the document pressing plate to one end edge of the document placing table at one end edge thereof so as to be openable and closable.
A projection member is provided on the upper surface of the document placing table.

Here, it is preferable that the projecting member is provided in the vicinity of the hinge member between the document mounting portion of the document mounting table and the hinge member.

[0012]

According to the document placing apparatus of the present invention, by providing the projecting member on the document placing table, particularly in the vicinity of the hinge member,
When the original pressing plate is opened, the original that has been blown off is prevented from coming into contact with the hinge member, and the original is prevented from being broken, scratched, damaged, and stained with grease.

Further, at the time of maintenance, contact with the hinge member of the platen glass serving as a document placing portion is prevented,
It is possible to prevent the damage and the dirt due to grease.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to illustrated embodiments.

FIG. 1 is a perspective view of a document placing apparatus according to the first embodiment of the present invention. As shown in FIG. 1, the document placing device 10 includes a document placing table 13 having a document placing glass 12 which serves as a document placing portion for placing a document 11 to be read, and an original placing table 13 at one edge thereof. An original pressing plate 15 is supported by a pair of hinge members 14 so as to be openable and closable. Here, the document pressing plate 15 is a free stop that can be stopped at an arbitrary position by the operator until the opening / closing angle becomes about 45 degrees with respect to the surface of the document glass 12 by the hinge member 14. It has a function. Further, the hinge member 14 is configured so that the document pressing plate 15 can be rotated until it becomes vertical to the document table glass 12.

Then, as shown in the figure, on the hinge member 14 side of the periphery of the document table glass 12 of the document table 13 and in the vicinity of the hinge member 14 (the hinge member 14 and the document table glass 1).
(Between 2), a damage preventing member 20 which is a protruding member is provided on the surface. This is to prevent the document 11 from moving in the direction of the hinge member 14 as long as it can receive the document 11 moving along the surface of the document table 13 and is supported by the hinge member 14 of the document pressing plate 15. Preferably, it is provided along one edge. In this embodiment, the three damage preventing members 20 are arranged in a line.

A damage preventing member 20 which is the protruding member of the present invention.
It is preferable that the side surface on the side of the original glass 12 which is the original receiving surface is a surface substantially perpendicular to the surface of the original placing table 13 so that the original 11 can be easily received. Further, it is preferable that at least the document receiving surface of the damage prevention member 20 is formed of a soft material such as plastic or rubber instead of a hard material such as the hinge member 14. The height of the breakage preventing member 20 is preferably as high as possible within a range that does not prevent the original document pressing portion of the original document pressing plate 15 and the original table glass 12 from adhering to each other. It is determined in consideration of the shape of the corresponding portion. Usually, in the vicinity of the hinge member 14, since there is a gap between the document pressing plate 15 and the document placing table 13, the height of the breakage preventing member 20 may be determined within the range in which the gap is acceptable. Of course, a concave portion may be provided in the corresponding portion of the document pressing plate 15 so that the breakage preventing member 20 can enter the concave portion.

FIG. 2 is a perspective view showing the state of the document 11 with the document pressing plate 15 opened. The document 11 blown off by the wind pressure when the document pressing plate 15 is opened is in contact with the damage prevention member 20. That is, the damage prevention member 20
Plays a role of a stopper that prevents the blown original 11 from coming into contact with the hinge member 14.
However, it prevents them from being broken, scratched or damaged.

FIG. 3 shows that the hinge glass 1 is removed by removing the platen glass 12 when performing maintenance of the document placing device 10.
The figure shows a state of being moved in four directions. Even if the platen glass 12 is displaced in the direction of the hinge member 14 indicated by the arrow, the platen glass 12 does not contact the hinge member 14 and the damage prevention member 20.
It is stopped in the state of abutting against.

FIG. 4 is a detailed view of the breakage prevention member 20. The member 20 is formed by attaching a stopper 20a and a magnet 20b with a double-sided tape 20c. here,
The stopper 20a is a member having an L-shaped cross section, and has a bottom surface to which the double-sided tape 20c is attached and a side surface that is substantially orthogonal to the bottom surface and serves as a document receiving surface. In addition, the stopper 2
0a is made of a plastic molding resin such as ABS, but this material is preferably a soft member such as rubber. Since the breakage prevention member 20 of the present embodiment has the magnet 20b, it can be attached and detached and can be installed anywhere on the metal part on the document table.

FIG. 5 shows a hinge member 14 of the document table 13.
It shows a damage prevention member 20A extending along the entire length of one end edge supported by. According to this embodiment, it can effectively serve as a stopper for originals 11 of all sizes, from small ones such as business cards to large-sized originals, and prevent the originals 11 from being broken, scratched or damaged.

[0022]

As described above, according to the present invention, the document placed on the document placing table is pushed by the document pressing plate and the image of the document is read by the document placing device. By providing a projecting member between the table and the hinge member that allows the document pressing plate to open and close freely, the document that has been blown when the document pressing plate is opened can be stopped by the same member, and the document is the hinge member. Since it is stopped by the surface of the same member without contacting with, it is possible to prevent the document or the platen glass from being damaged and prevent the hinge member from being contaminated by grease.

[Brief description of drawings]

FIG. 1 is a perspective view showing a document placing device according to an embodiment of the present invention.

FIG. 2 is a perspective view showing an effect of the breakage preventing member according to the embodiment of the present invention.

FIG. 3 is a perspective view showing an effect of the breakage preventing member according to the embodiment of the present invention.

FIG. 4 is a perspective view showing details of an example of the damage prevention member of the present invention.

FIG. 5 is a perspective view showing a document placing device according to another embodiment of the present invention.

FIG. 6 is a perspective view showing a document placing table according to a conventional example.

FIG. 7 is a perspective view showing a document placing table according to a conventional example.

[Explanation of symbols]

 10 Document Placement Device 11 Documents 12 Document Platen Glass 13 Document Platen 14 Hinge Member 15 Document Pressing Plate 20, 20A Damage Prevention Member (Projection Member)

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Internal reference number FI technical display location G06T 1/00 // B65D 43/26

Claims (2)

[Claims] 1. A document placing table having a document placing portion for placing a document, a document pressing plate for pushing the document onto the document placing part of the document placing table, and the document pressing plate. A document placing apparatus having a hinge member attached to one edge of the document placing table at its one edge so as to be openable and closable, wherein the document placing apparatus is provided with a protrusion member on an upper surface of the document placing table. 2. The document placing apparatus according to claim 1, wherein the projection member is provided in the vicinity of the hinge member between the document placing portion of the document placing table and the hinge member.