JPS6219341B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an image device such as a facsimile machine or a copying machine, and more particularly to an image device having an improved paper ejecting mechanism for ejecting paper such as a manuscript or recording paper.

FIG. 1 shows an example of a transmitting section of a conventional facsimile device, in which 1 is the main body of the facsimile device placed on a table 2 such as a desk, 3 is a document table, 4 is an automatic paper feed roller, and 5 is a sorting piece. , 6 and 7 are first stage feed rollers,
8 and 9 are second-stage feed rollers, 10 is a fluorescent light, and 11
1 is an image sensor, 12 is a reading lens, and 13 is a transmission electric circuit section. Further, a paper discharge tray 14 is attached to the main body 1 so as to protrude toward the front of the main body 1.

The plurality of transmission documents 15 stacked on the document table 3 are placed one by one in the main body 1 between the automatic paper feed roller 4 and the sorting piece 5, and the feed rollers 6 and 7.
and between the feed rollers 8 and 9, and is ejected onto the paper output tray 8 outside the main body 1. (It is read by the image sensor 11 between the second stage feed rollers 8 and 9.) However, even if the size of the document 15 is limited to A4 size or smaller, the length of the paper output tray 14 is approximately 400 mm.
The tray 14 having such a length
protruding outside the main body 1, an operator may bump into the paper output tray 14, resulting in poor operability of the apparatus, or a person passing by the apparatus may collide with the paper output tray 14, and the apparatus may The disadvantage was that the actual floor space occupied was large.

In addition, the above-mentioned drawback can be overcome by providing the paper ejection tray below the device main body without protruding from the device main body in the front-rear direction or lateral direction. When the paper is ejected to the paper ejection tray, the paper is pulled into the inner part of the apparatus main body and piled up on the paper ejection tray. This makes it impossible to easily check the state of paper stacking on the paper output tray from the outside, making it impossible for an operator to check that paper has already been stacked on the paper output tray before the operator starts using the device. Failure to notice this may result in continued use of the device, resulting in problems such as paper jams.

The present invention has been made in view of the above circumstances, and the paper output tray does not protrude significantly in the longitudinal direction or the lateral direction of the main body of the apparatus, and the stacked state of paper on the paper stacking area such as the paper output tray does not change. It is an object of the present invention to provide an imaging device that allows easy confirmation from the outside.

The present invention will be explained in more detail below based on embodiments shown in the drawings.

FIGS. 2 to 4 show an embodiment in which the present invention is applied to a transmitter of a facsimile transmitter. In these figures, a document table 16 is provided at the upper part of a facsimile apparatus main body 41 in an inclined state with respect to the horizontal direction. At the document entrance portion of the main body 41, an automatic paper feed roller 17 and a sorting piece 18 are provided. Also, inside the main body 41, a pair of first stage feed rollers 20, 21, a guide plate 22,
A pair of second-stage feed rollers 23, 24, a fluorescent light 2
5, a lens 26, an image sensor 27, and a motor 28 (shown only in FIG. 3).
Note that, as shown in FIG. 4, a plane A that includes the rotational axis of the roller 23 and the rotational axis of the roller 24 is inclined downward at an angle θ with respect to the horizontal plane. The feed rollers 23 and 24 are provided on the front side within the apparatus main body 41.

Further, as shown in detail in FIG. 3, near the second stage feed rollers 23 and 24, there are pull-back pieces
9 is rotatably provided around a rotation shaft 29a provided at its upper end. Here, the rotation shaft 29a extends in the vicinity of the rotation axis of the roller 23 and parallel to the rotation axis. Said rotation axis 2
A pulley 30 is fixed to 9a, and the belt 2 is wound between this pulley 30 and a pulley 31 fixed to the rotating shaft of the motor 28.

The device main body 41 further includes a document detection sensor and a pull-back piece control circuit (both not shown).
is provided. The document detection sensor is configured to detect the end of the document 33 at a position in the apparatus main body 41, which will be explained in detail later.
The pull-back piece control circuit controls the direction and amount of rotation of the motor 28 based on the output signal of the document detection sensor.

A paper discharge tray 34 is horizontally provided below the main body 41 without protruding from the main body 41 in the front-rear direction or the lateral direction. Reference numeral 42 denotes the document 3 discharged by the second-stage feed rollers 23 and 24.
This is a static electricity eliminator for removing static electricity from 3.

Next, the operation of this embodiment will be explained.

Transmission originals 33 stacked on the original table 16
are sequentially fed out one by one from the document table 16 by the automatic paper feed roller 17 and the sorting piece 18, and further fed out to the reading position 0 on the guide plate 22 by the first stage feed rollers 20, 21.

On the other hand, the light emitted from the fluorescent lamp 25 and reflected by the document 33 above the reading position 0 is reflected by the lens 26.
An image is formed on the image sensor 27 by the image sensor 27, and the image information at the reading position 0 on the document 33 is thereby read by the image sensor 27.

Further, the original 33 further passes the reading position 0,
The second stage feed rollers 23 and 24 cause the main body 41 to be tilted at (90-θ) degrees with respect to the tray 34 as shown in FIG. 4A.
It will be ejected once it goes to. As a result, the leading edge of the document 33 comes into contact with the tray 34 or other documents 33 already deposited on the tray 34, and then
The same tray 34 or other documents 3 as shown in FIG.
3. Slide backwards on the top.

Note that the smaller the angle (90-θ) is, the more the original 33 and tray 3 discharged from the rollers 23 and 24
4 or the originals already deposited on the tray 34, the originals 33 are less likely to jam, and the originals 33 are smoothly ejected.

The length from the contact portion of the document 33 with the rollers 23 and 24 to the end portion V of the document 33 is a predetermined length b.
(for example, about 10 to 20 mm), the document detection sensor detects this and outputs a signal to that effect to the pull-back piece control circuit. 3
1. Rotate the pull-back piece 29 via the belt 32 and pulley 30 so that its lower end moves forward. As a result, the lower end of the pull-back piece 29 first comes into contact with a certain point Q on the original 33, and
3, the leading edge of the same original 33 is placed on the tray 34 or another original 33 already deposited on the same tray 34.
While keeping it in contact with , pull it back forward as shown by arrow F. Incidentally, in FIG. 4, S also indicates a point on the document 33.

The lower end of the pull-back piece 29 is approximately 1
In about a second, the document 33 is pressed to the lower position P of the roller 24 as shown in FIG. 4C. The pull-back piece control circuit maintains this state at least until the end V of the document 33 reaches between the pull-back piece 29 and the position P as shown in FIG. 4D, and then rotates the motor 28 in the reverse direction. The pull-back piece 29 is returned to the initial position.

On the other hand, when the distal end V of the original document 33 reaches between the lower end of the pull-back piece 29 and the position P as shown in FIG. Then, the end portion V is flipped forward by the rotation of the roller 24,
Tray 3 passes through the state shown in Fig.
4, the original 33 falls onto the tray 34.
is deposited horizontally on top.

Here, if there is no pull-back piece 29, the end portion V of the document 33 will be moved by the roller 2 shown in FIG.
It will fall near point R directly below between 3 and 24. As a result, as described above, the paper is pulled toward the back of the main body of the apparatus on the paper output tray 34 and is deposited, making it easy to check the stacked state of the paper on the paper output tray from the outside. This may cause the operator to continue using the device without noticing that paper was already piled up on the paper output tray before the operator started using the device, resulting in problems such as paper jams. There is a risk that this will occur.

However, in this apparatus, by rotating the pull-back piece 29 as described above, the falling position of the end portion V of the document 33 can be pulled out a certain distance a ahead of the point R.

Therefore, in this apparatus, the edges of the documents 33 stacked on the tray 34 can be easily viewed directly from the outside. Therefore, the user can easily check whether or not originals 33 have already been piled up on the tray 34 before using the apparatus, and if the originals 33 have already been piled up, they can be removed by removing them.
It is possible to prevent troubles such as paper jams from occurring.

Further, since the tray 34 is provided below the main body 41 of the apparatus without protruding from the main body 41 in the front-rear direction and the lateral direction, the user can
This improves the operability of the device, and prevents people from hitting the tray 34 when passing by the device.
Accidents such as bumping into objects are eliminated, and the actual floor space occupied by the device can be reduced.

Note that in the present invention, the paper may be directly ejected onto the stand on which the main body of the apparatus is placed without providing a paper ejection tray (for example, the paper may be ejected directly onto the stand on which the main body of the apparatus is placed (for example, as shown in 34 in FIGS. 2 and 4). (It may also be used as the aforementioned stand).

The present invention is applicable not only to the transmitting section of a facsimile machine as in the embodiment described above, but also to the receiving section of a facsimile machine that ejects recording paper, and other image devices such as copying machines.

Further, if the apparatus main body is not a tabletop type as in the above embodiment but a console type, the paper ejection tray may be provided not at the bottom of the apparatus main body but at an intermediate portion of the apparatus main body in the vertical direction.

As described above, according to the present invention, (a) the paper output tray does not need to protrude from the main body of the apparatus in the front-rear direction or the lateral direction, eliminating the possibility that the operator will bump into the paper output tray, improving the operability of the apparatus; At the same time, accidents such as a person passing by the apparatus hitting the paper ejection tray are eliminated, and the actual floor area occupied by the apparatus can be reduced.

(b) The ejected paper is accumulated deep inside the device, making it difficult to check the accumulation state from the outside, so that an operator may notice that the paper is already in the paper output tray before the operator starts using the device. There is no risk of troubles such as paper jams caused by not noticing that paper is being deposited at the location where the paper is deposited and then using the device.

Excellent effects such as these were obtained.

[Brief explanation of the drawing]

Fig. 1 is a side view of a transmitting section of a conventional facsimile device, Fig. 2 is a side view of a transmitting section of a facsimile device according to an embodiment of the present invention, and Fig. 3 is a side view showing a drive mechanism of a pull-back piece of the same device. 4 are explanatory diagrams showing the operation of the device. 23, 24... Second stage feed roller, 28... Motor, 29... Pulling back piece, 30, 31... Pulley, 32... Belt, 33... Document, 34...
Paper ejection tray, 41...device main body.

Claims (1)

[Claims] 1 a pair of feed rollers provided above a surface on which sheets of paper ejected from the apparatus main body are deposited, and which normally eject the paper from the apparatus main body diagonally downward and toward the back of the apparatus main body; A pull-back piece movably provided in the vicinity of these feed rollers, a drive device for moving the pull-back piece, and a length from the contact portion between the feed roller and the paper to the end of the paper, a detection means for detecting whether or not the length has reached the predetermined length; and when the detection means detects that the length has reached the predetermined length, the retraction piece is moved via the drive device; and a control means for causing the paper to be ejected from the feed roller toward a side opposite to the back side of the apparatus main body by bringing the paper into contact with the paper, and the predetermined length is a an imaging device in which the leading edge of the imager is sized to a length such that the leading edge of the imager contacts the surface or other sheets already deposited on the same surface;