JPH0675309A - Original pressing device - Google Patents

Abstract

PURPOSE:To realize an original pressing device in which the degree of freedom in the design of a copying machine main body is made high by fixing an attaching leg member at an adjusted attaching position. CONSTITUTION:This device is provided with an original pressing device main body 1 pressing an original, the attaching leg member 2 which can be attached to/detached from the original cover holding part of an image forming device main body and is coupled with the main body 1 so that the attaching position can be adjusted, and a fixing screw 3 fixing the member 2 at the adjusted position.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a document holding device provided in an image forming apparatus such as a copying machine.

[0002]

2. Description of the Related Art Conventionally, a document holding device for holding a document placed on a contact glass and an automatic document feeding device for automatically feeding a document onto the contact glass are provided above an image forming apparatus such as a copying machine. Etc. are attached so that they can be opened and closed. Here, for example, when only the copying machine main body side is replaced and the original document holding device or the like is used as it is due to a version upgrade or the like, the method for attaching the original document holding device or the like is as follows. Two original document holding joints are provided on the original document pressing device side in correspondence with the position of the original document pressing holding portion so that the original document holding portion and the original document holding joint can be detached. Therefore, when replacing the main body of the copying machine, it is possible to remove the original holding device from the main body of the copying machine and attach the original holding device to the new main body of the copying machine for use.

[0003]

However, in the above-described structure, since the two original document holding joints are fixed at fixed intervals and positions, the original document holding portion on the copying machine body side is also arranged. There is a problem in that the degree of freedom in arranging the document pressing and holding unit must be matched with the arrangement of the document pressing joint on the side of the document pressing device, and the degree of freedom in designing the copying machine main body becomes small.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and an object of the present invention is to provide a document pressing device which can increase the degree of freedom in designing a copying machine body.

[0005]

According to the present invention, a document holding device body for holding a document and a document holding portion of an image forming apparatus body can be detachably attached, and the attachment position of the document holding device body is adjustable. The document holding device is provided with the attached mounting leg member and a fixing member for fixing the mounting leg member to the adjusted mounting position.

[0006]

According to the present invention, the mounting position of the mounting leg member to the main body of the original pressing device is adjusted to the position of the original presser holding portion of the main body of the image forming apparatus, and the mounting member is fixed to the adjusted mounting position by the fixing member. Then, the mounting leg member is attached to the document pressing and holding unit of the image forming apparatus main body.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings showing its embodiments.

FIG. 1 is a perspective view of an original pressing device according to an embodiment of the present invention. That is, the document holding device is a document holding device body 1 for holding a document placed on the contact glass 40 on the upper part of the copying machine body 4, and one side surface of the document holding device body 1 at a predetermined interval. It is configured by two mounting leg members 2 and the like provided as above. The mounting position of one of the mounting leg members 2 is adjustable as shown by an arrow A. Further, at the end of the upper surface of the copying machine main body 4, there is provided an original document holding portion 5 made of a rectangular hole for inserting and connecting the above-mentioned mounting leg member 2, and further, the copying machine main body 4 A tablet 15 for sending a control signal or the like to the document holding device main body 1 is connected to.

FIG. 2 is a diagram schematically showing a method of adjusting the mounting position of the mounting leg member 2 described above. The mounting leg member 2 has, for example, a quadrangular prism shape so that it can be inserted into the rectangular hole of the document pressing and holding unit 5, and is rotatably connected at the center to open and close the document pressing device main body 1. (Not shown), one end has elongated guide grooves 21 at four corners.
The slide plate 20 formed with is fixed. The slide plate 20 is provided so as to be slidable on the mounting surface 10 of the document pressing device main body 1, and a fixing screw 3 having a head portion having a diameter larger than the groove width of the guide groove 21 is attached through the guide groove 21. The slide plate 20 is screwed into a screw hole (not shown) provided on the surface 10 to connect the slide plate 20 to the document holding device body 1 side.

Next, the operation of the above embodiment will be described.

If the copying machine body 4 is replaced with a new copying machine body for version upgrade, first, the tablet 15 is detached from the document holding device body 1, and then the mounting leg member of the document holding device body 1 is attached. 2 is removed from the document holding section 5 of the copying machine body 4.

Next, all four fixing screws 3 for fixing the slide plate 20 on the main body 1 of the document holding device are loosened so that the slide plate 20 can be moved, and the mounting leg member 2 is attached.
Is adjusted so that it matches the position of the original document holding portion 5 of the newly installed copying machine body 4 (the interval of the original document holding portion 5 is shorter than the interval of the copying machine body 4 before replacement). (Refer to the mounting leg member 2 indicated by the chain double-dashed line in FIG. 3, arrow B). Next, with the positions aligned, the four fixing screws 3 are tightened to fix the slide plate 20 to the mounting surface 10 of the document holding device body 1. After that, the mounting leg member 2 whose mounting position is adjusted is inserted into the original document holding unit 5 of the new copying machine body 4, and then the tablet 15 of the copying machine body 4 is attached to the original document holding apparatus body 1 to attach the original document holding apparatus body. Installation of 1 is completed.

FIG. 4 is a perspective view schematically showing a mounting leg member 2 of a document pressing device according to another embodiment. In this case, a guide member 11 that allows the slide plate 20 to fit and move is fixed to the attachment surface 10 of the document holding device body 1, and the guide member 11 has an opening so that the attachment leg member 2 can move. The part 12 is formed. Further, the slide plate 20 is attached to the end of the slide plate 20 on the mounting surface 1
A fixing screw 3 for fixing to 0 is provided, a fixing groove 13 is provided on the mounting surface 10 side, the fixing screw 3 penetrates the fixing groove 13, and the end portion of the fixing screw 3 has an inner nut ( It is configured so that it can be tightened by (not shown).

In the above embodiment, when adjusting the mounting position of the mounting leg member 2, first, the fixing screw 3 is loosened so that the slide plate 20 can be moved. Next, the mounting position of the mounting leg member 2 is adjusted so as to match the position of the document pressing holding portion 5 of the copying machine main body 4, and the fixing screw 3 is tightened to move the slide plate 20 to the mounting surface 10 side of the document pressing device main body 1. Fix it. In this way, the position of the mounting leg member 2 can be adjusted to match the position of the document pressing and holding portion 5 of the copying machine body 4 in the same manner as described above.

In the above embodiment, the document holding device main body 1 has been described as a normal document holding device, but it is needless to say that the present invention is not limited to this and can be applied to an automatic document feeding device or the like.

Further, in the above embodiment, the mounting leg member 2
However, the present invention is not limited to this, and both mounting leg members 2 may be adjustable.

Further, in the above embodiment, the mounting leg member 2
Although the fixing after adjusting the mounting position is performed by the screw, the invention is not limited to this, and the fixing may be performed by a pin or the like.

Further, in the above embodiment, the mounting leg member 2
The mounting position is adjusted by sliding it on the mounting surface 10. However, the present invention is not limited to this. For example, after the mounting leg member 2 is removed from the mounting surface 10, it can be mounted at another position. Good. in this case,
For example, a large number of screw holes may be provided at regular intervals to change the screw holes to be attached.

[0019]

As is apparent from the above description, the present invention is attachable to and detachable from the document pressing and holding section of the image forming apparatus main body, and is attached to the document pressing apparatus main body so that the mounting position is adjustable. Since the member and the fixing member for fixing the mounting leg member to the adjusted mounting position are provided, there is an advantage that the degree of freedom in designing the main body of the copying machine can be increased.

Further, there is an advantage that the mountable image forming apparatus is not limited.

[Brief description of drawings]

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

FIG. 2 is a perspective view schematically showing a mounting leg member of the document pressing device of the embodiment.

FIG. 3 is a perspective view illustrating the operation of the document pressing device of the embodiment.

FIG. 4 is a perspective view schematically showing a mounting leg member of a document pressing device according to another embodiment.

[Explanation of symbols]

 1 Original Document Holding Device Main Body 2 Mounting Leg Member 3 Fixing Screw 4 Copying Machine Main Body 5 Original Document Holding Area 10 Mounting Surface 11 Guide Member 12 Opening 20 Sliding Plate 21 Guide Groove

Claims (1)

[Claims] 1. A document pressing device main body for pressing a document, and a mounting leg member detachable from a document pressing holding part of the image forming device main body, the mounting leg member being connected to the document pressing device main body so that a mounting position is adjustable. A document pressing device comprising: a fixing member that fixes the mounting leg member to the adjusted mounting position.