JPH0744118Y2 - Communication device having image reading device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial field of application> The present invention relates to a communication device which is equipped with an image reading device for reading image information on a document and in which the image reading attachment is detachable, and in particular, the image reading device. It is related to the mounting structure of.

<Prior Art> For example, in a conventional facsimile apparatus, when an operator inserts an original into an original insertion port formed in the apparatus main body, an image of the original is read and transmitted to another facsimile apparatus. The document insertion port is formed in the vicinity of a reading unit such as a one-dimensional contact type image sensor provided inside the apparatus body, and its size corresponds to the length of the image sensor.

In the above-mentioned facsimile apparatus, it is not possible to read and transmit an original having a size that cannot be read by the reading means or a book-like original such as a book.

A typical prior art for solving such a problem is disclosed in JP-A-62-30461. In this prior art, a reading device having a reading means is detached from the main body of the device so that it can be manually operated, and the read image information is transmitted to a facsimile device of a communication destination via a telephone using an acoustic coupler. ing. As a result, it is possible to read and transmit an image of a manuscript having a relatively large size and a book-shaped manuscript such as a book.

<Problems to be Solved by the Invention> However, in such a conventional facsimile apparatus, when the image reading apparatus is mounted on the main body and the original image is read by the automatic sub-operation, the image reading apparatus is simply superposed on the upper portion of the main body. Due to this configuration, the image reading device may float depending on the thickness of the document, or the image reading device may rattle due to the movement of the document in the conveyance direction.

The present invention has been made in view of the above problems, and an object thereof is to provide a mounting structure of an image reading apparatus that can accurately read an image during an automatic sub-operation.

<Means for Solving the Problems> In the present invention, in the communication device detachably provided in the communication device main body for transmitting the read image data, the image reading device provided along the document transport path is provided. The communication device main body is provided with a latch at an end portion on the upstream side in the document conveying direction and a positioning guide at an end portion on the downstream side in the document conveying direction, and the image reading device has a notch portion that engages with the latch. A guide receiving portion that engages with the positioning guide is provided, and the image reading device is attached to and detached from the communication device body by rotating the image reading device with the positioning guide as a fulcrum.

<Operation> In the communication device having the image reading device of the present invention, when the document is inserted, since the guide receiving portion of the image reading device is positioned by the positioning guide, it moves in the document conveying direction. It is possible to suppress the action, and because the notch engages with the latch, it is possible to prevent the image reading device from floating with respect to the force in the thickness direction of the document, so that an accurate image is always obtained during automatic sub-operation. Can be read.

<Embodiment> FIG. 1 is a perspective view showing an overview of a communication device (telephone 1) including an image reading device according to an embodiment of the present invention.

The telephone 1 is also configured to have a facsimile function, and is configured to include the device body 2 and the handset 3. The apparatus main body 2 is detachably equipped with a reading device 4 for reading a document, and a start switch 5 for instructing the start of reading the document is provided on the upper part thereof. When the reading device 4 is attached to the device main body 2, an insertion opening 6 for inserting a document is formed in association with the reading device 4.

The apparatus main body 2 further has, near the insertion opening 6, an axis line whose one end crosses the insertion direction of the original, that is, the insertion opening 6
An operation panel 7 is mounted so as to be angularly displaceable around an axis substantially parallel to the longitudinal direction of the. The operation panel 7 is provided with a numerical key group 8 for selecting a dial number and a functional key group 9 for designating various functions.

FIG. 2 is a perspective view showing a state in which the reading device 4 is removed from the device body 2. The reading device 4 includes a one-dimensional contact image sensor 10 (hereinafter referred to as an image sensor), and a detection roller 11 connected to a rotary encoder 19 (not shown) provided in the reading device 4. Is also provided. Reference numerals 32 and 32 are notches which will be described in detail later.

A carrying roller 13 for carrying a document is arranged in a mounting portion 12 of the apparatus body 2 to which the reading device 4 is mounted. A document detection sensor 14 for detecting the document insertion is provided on the operation panel 7 side of the transport roller 13, that is, on the upstream side in the document transport direction (direction of arrow A1 in FIG. 2). Further, a detection sensor 15 that detects that the reading device 4 is attached / detached to / from the apparatus main body 2 is arranged near one end of the attachment portion 12. A positioning guide 31, which will be described in detail later, is provided at the downstream end of the document in the conveying direction.

A sheet 16 made of a low-friction material is arranged on the bottom surface of the mounting portion 12 at a portion facing the detection roller 11 in a state where the sheet 16 is mounted on the mounting portion 12 of the reading device 4. The arrangement of the sheet 16 reduces the friction between the original sheet and the conveyance path due to the detection roller 11.

FIG. 3 is a vertical sectional view showing a simplified configuration of the telephone 1. As described above, the rotary encoder 19 is provided in association with the detection roller 11, and its output is given to the electric circuit section 20 housed in the apparatus main body 2. As a result, when the reading device 4 is used by being removed from the device main body 2, information regarding the reading device of the image sensor 10 is input to the electric circuit section 20.

The thermal recording paper supplied from the recording paper roll 21 is provided in the apparatus main body 2 near the end opposite to the insertion opening 6 of the operation panel 7.
A platen 24 for transporting 22 in the direction of arrow 23 is provided. During image recording, the platen 24 is angularly displaced in the direction of arrow 25 by a pulse motor (not shown) or the like. Further, in relation to the platen 24, a thermal head 26 including a heating antibody arranged in a dot shape along the longitudinal direction of the platen 24 is provided.

To record image information on the thermal recording paper 22, the platen 24
This is performed by angularly displacing in 25 directions and driving the thermal head 26 to generate heat corresponding to the image to be recorded.

When the function key group 9 is operated on the telephone 1 to select the facsimile function, the operation panel 7 is angularly displaced in the direction of the arrow 27 by the operator, and is supported at a position shown by a broken line in FIG. ing. In such a state, a plurality of documents can be placed on the operation panel 7, and the operation panel 7 can serve as a document stacker for stocking the documents.
A plurality of originals placed on the operation panel 7 can be inserted into the insertion port 6
The sheets are guided one by one from the vicinity of the image sensor 10, and the original images are read while being conveyed in the direction of the arrow 28 at a constant speed by the conveying roller 13.

FIG. 4 shows a reading device 4 and a device body 2 which are the features of the present invention.
It is a figure which shows the engagement structure with and in detail, (a) is a mounting state,
(B) shows the removed state.

In the apparatus main body 2, a latch 30 formed of a leaf spring or the like (one in each of the upstream side end portions in this embodiment) is provided at the upstream side end portion of the mounting portion 12 in the document conveying direction.
A positioning guide 31 of the reading device 4 (which is provided along the downstream end in this embodiment) is provided at the downstream end.

On the other hand, the reading device 4 includes a notch 32 that engages with the latch 30.
A guide receiving portion 33 that engages with the positioning guide 31 is provided.

Then, as shown in FIG. 4 (b), the positioning guide
The notch 32 is disengaged from the latch 30 by lifting the reading device 4 in the direction of arrow 34 with 31 as a fulcrum, and the reading device 4 can be removed.

Further, in FIG. 4A, when a document is inserted from the direction of arrow 35, the guide receiving portion 33 of the reading device 4 is positioned by the positioning guide 31, so that the movement action in the document transport direction is suppressed. Further, since the cutout portion 32 is engaged with the latch 30, it is possible to prevent the reading device 4 from floating up due to the force in the thickness direction of the document.

<Advantages of the Invention> As described above, according to the present invention, the image reading device provided along the document conveyance path is detachably provided in the communication device body for transmitting the read image data. In the above, the communication device main body is provided with a latch at an end portion on the upstream side in the document transport direction and a positioning guide at a downstream end portion in the document transport direction, and the image reading device is provided with a notch that engages with the latch. And a guide receiving portion that engages with the positioning guide, and the image reading device is attached to and detached from the communication device body by rotating the image reading device with the positioning guide as a fulcrum.
The attachment / detachment operation can be performed reliably and easily, and when a document is inserted, the guide receiving portion of the image reading device is positioned by the positioning guide of the communication device body, so that the document of the image reading device accompanying the document conveyance It is possible to suppress the movement action in the conveyance direction, and since the notch is engaged with the latch, it is possible to prevent the image reading device from being lifted up due to the force in the thickness direction of the document when the document is conveyed. It is possible to always perform accurate image reading during operation.

[Brief description of drawings]

FIG. 1 is a perspective view showing an outline of a communication device equipped with an image reading device according to an embodiment of the present invention, FIG. 2 is a perspective view when the image reading device of the communication device is removed from the device body, and FIG. FIG. 4 is a vertical sectional view of the communication device, and FIG. 4 is a view showing an engagement structure between an image reading device of the communication device and the device body. 1: Telephone, 2: Device body, 3: Handset, 4: Reader,
5: Start switch, 6: Insertion port, 12: Mounting part, 30: Latch, 3
1: Positioning guide, 32: Notch, 33: Guide receiving part.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Masahei Otani 22-22 Nagaike-cho, Abeno-ku, Osaka City, Osaka Prefecture Sharp Corporation (72) Junichiro Matsumoto 22-22 Nagaike-cho, Abeno-ku, Osaka City, Osaka (56) References JP 62-82755 (JP, A) Actual development 62-77953 (JP, U) Actual public 62-1966 (JP, Y2)

Claims (1)

[Scope of utility model registration request] 1. A communication device in which an image reading device provided along a document feeding path is detachably provided in a communication device body for transmitting read image data, wherein the communication device body has a document A latch is provided at an end on the upstream side in the transport direction, and a positioning guide is provided at an end on the downstream side in the document transport direction. The image reading device engages with a notch portion that engages with the latch and the positioning guide. A communication device having an image reading device, wherein the image reading device is attached to and detached from the communication device body by rotating the image reading device with the positioning guide as a fulcrum.