JPH0515341B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a copying device, and particularly to a small-sized copying device that allows an individual to easily copy on plain paper on the spot.

[Conventional technology]

As described in Japanese Patent Application Laid-Open No. 104927/1983, a conventional copying device includes a reading device and a recording device that records the content read from the original paper by the reading device on recording paper. so that the recording direction of the recording device and the reading direction are opposite to each other,
A copying apparatus is known in which the reading device and the recording device are provided in a carriage. In this copying apparatus, the portion of the document read by the reading device and the portion of the document recorded on recording paper by the recording device are set to have a symmetrical relationship.

[Problem to be solved by the invention]

The copying apparatus described in JP-A-54-104927 does not have a main body case that houses the reading device, the recording device, and the carriage. No consideration has been given to whether to insert or eject it.

An object of the present invention is to compactly store a carriage, a reading device, and a recording device in a main body case, to reduce the size of the main body case, and to prevent the document and recording paper ejected from the main case from overlapping each other.
What's more, you can directly see the recording on the recording paper.
The object of the present invention is to provide a compact copying device that is extremely easy to use.

[Means to solve the problem]

The above purpose consists of a main body case, a carriage slidably installed inside the main case, a reading device installed in this carriage, and a recorder for recording the contents read from the original paper by the reading device on recording paper. a small-sized copying apparatus, wherein the reading device and the recording device are arranged in the carriage so that the recording portion of the recording device and the reading direction of the reading device are opposite to each other, the main body; The recording paper inserted from the rear of the top surface of the case is located in front of the insertion part and is ejected from the top surface of the main body case, and the document inserted from the front of the top surface of the main case is located at the front of the main case. This is achieved by arranging the reading device and the recording device in the carriage so that the portion recorded on the recording paper by the reading device is positioned upward.

[Effect]

Since the reading direction of the reading device and the recording direction of the recording device are opposite to each other, the reading device and the recording device can be compactly arranged in one carriage without increasing the size of the main body case. . When this one carriage is moved, the reading device and the recording device are moved in the main scanning direction at the same time, so these two movements in the main scanning direction can be done with one drive system that drives the carriage. This simplifies the structure.

In addition, since the original is ejected to the front of the main body case and the recording paper is ejected to the top of the main body case, the content recorded on the recording paper can be viewed directly from the front side of the main body case. Since the printed original is located in front of the main body case and the ejected recording paper is located on the upper surface of the main body case, the ejected original and the recording paper do not overlap.

Furthermore, by arranging the reading device and the recording device in the carriage so that the portion of the document recorded by the recording device is located above the portion of the document being read by the reading device, the carriage can be placed inside the main body case. , the reading device and the recording device can be disposed without wasting space, and the main body case can be made smaller.

〔Example〕

Hereinafter, one embodiment of the present invention will be described based on the drawings.

The small copying machine shown in FIGS. 1 to 12 is
It consists of an operating section 1, a reading device 2, a thermal transfer type recording device 3, a control device 4, and a main body case 5 made of synthetic resin.

The operating section 1 includes a push-in type power switch 6, a push-in type copying switch 7, a rotary size switch 8 for specifying copy size, and a rotary type copy density adjustment switch 9. (See FIG. 2) The power switch 6 is the first switch to be turned on when using the compact copying machine. The copy switch 7 is a switch that is turned on after the setting of the original 10 and the recording paper 11 consisting of plain paper (PPC), the adjustment of the size switch 8 and the copy density adjustment switch 9, and the preparation for copying are completed.

The reading device 2 includes a sensor base 13 fixed to a carriage 12 and a document 10 as shown in FIGS. 1 and 8.
A light source 14 emits light from the direction of arrow _P1 in the figure, a lens 15 that focuses the image of the original 10 in the direction of arrow _P2 in FIGS. It consists of a serial type image sensor 16 that receives light from the direction of arrow _P3 in FIGS. 1 and 8, a control circuit 17 for this image sensor 16, and a board 18 on which this control circuit 17 and the image sensor 16 are mounted. The sensor cover 19 and the lens cover 20 prevent external light from entering the sensitive image sensor 16.

A plurality of feed rollers 21 for feeding the original 10 are provided integrally with the shaft 22. The shaft 22 is
One end is rotatably supported on a support plate 23 via a metal 24, and the other end is supported on a support plate 25 with a metal 26.
Rotatably supported via. Feed roller 21
A push spring 27 is provided between the metal 26 and the feed roller 21, and the push spring 27 urges the feed roller 21 in the thrust direction. A guide base 28 for the roller 21 is provided between the support plate 23 and the support plate 25. Both ends of the guide base 28 are connected to the support plates 23, 2.
Fixed at 5. Support plates 23 and 25 are attached to main body case 5. The guide base 28 has a curved surface 29 that follows the outer shape of the feed roller 21 and a slope 30 for guiding the document 10 when it is ejected. The intermediate portion of the guide base 28 is fixed to the main body base 32 of the main body case 5 with screws 31. (See FIG. 3) A motor 33 serving as a drive source for driving the feed roller 21 is fixed to the support plate 23.

The rotational force of the output pinion 34 of the motor 33 is transmitted to a gear 36 rotatably supported by a shaft 35 fixed to the support plate 23. The rotational force of gear 36 is transmitted to gear 37. The gear 37 is fixed to the shaft 22 on which the feed roller 21 is provided.
(See Figures 4 and 6) At the end of the shaft 22, there is a
Fix the manual adjustment knob 38. By rotating the knob 38, the amount of feed of the document 10 can be adjusted. The torsion spring 39 is for pressing the sub roller 40 against the feed roller 21. A small-diameter shaft portion 41 is provided at both ends of the sub-roller 40. The shaft portion 41 has a torsion spring 3
Both ends 42 of 9 are rotatably wound. On the outside of both ends 42 of the torsion spring 39, winding portions 43 are provided to obtain a predetermined spring force. Torsion spring 3
A central portion 44 of the main body base 32 is engaged between protrusions 45 and 46 provided on the main body base 32. (Figures 5 and 10
(See figure) The recording device 3 includes a feed roller 47 that feeds the recording paper 11, sub-rollers 48 and 49 that are pressed against the feed roller 47, and a motor 50 that serves as a drive source for driving the feed roller 47.
and a knob 51 for manually rotating the roller 47.
It is equipped with By rotating the knob 51, the feeding amount of the recording paper 11 can be adjusted. (See FIG. 3) The carriage 12 is slidably supported on a guide shaft 53. The carriage 12 is
Timing belt 54 and pulleys 55, 56
and the carriage drive motor 57 to move horizontally on the guide shaft 53. (See FIG. 6) A recording head 59 is attached to one end 58 of a lever 52 which is rotatably supported by a guide shaft 53 and arranged between the shaft supports of the carriage 12. A beam 63 engages the other end 60 of the lever 52 . Both ends 61 and 62 of the beam 63 are rotatably supported on the guide shaft 53.

The beam 63 is rotated about the guide shaft 53 by the rotational force of the recording head drive motor 67 transmitted via the lever 64, cam 65, and gear 66.

The cassette 68 has an ink ribbon 69 inside and is detachably mounted on the carriage 12. A rubber platen 70 is fixed to a beam 71.
By rotating the lever 52, the recording head 59
By pressing the ink ribbon 69 and the recording paper 11 against the platen 70, the ink of the ink ribbon 69 is transferred to the recording paper 11, and recording (printing) on the recording paper 11 is performed. (See FIG. 4) The recording device 3 is fixed to the main body base 32 with screws 72. The main body case 5 is the main body base 3
2, and a main body cover 7 that covers this main body base 32.
It consists of 3. A document discharge port 74 and a sensor hole 75 are provided on the front surface of the main body base 32.

On the top surface of the main body cover 73, from the front, a document inlet 76, a replacement cover 77 for replacing the cassette 68, and a recording paper insertion cover 78 are arranged. Replacement cover 77 and recording paper insertion cover 78
is rotatably provided on the main body cover 73.

A groove 80 is provided at the open end 79 between the document insertion slot 76 and the replacement cover 77. The transparent plastic slider 81 has a U-shaped cross section,
It has a protrusion 82 to prevent it from coming off. The slider 81 is slidably provided in the open end 79 by fitting the protrusion 82 into the groove 80 . A permanent magnet 83 is provided on the lower surface of the slider 81.
A magnetoelectric conversion element 8 is provided on the bottom surface of the sensor base 13.
4 is provided so as to face the permanent magnet 83. On the top surface of the opening end 79, there is a scale 85 for specifying the copy range.
will be established.

As shown in FIG. 12, the control device 4 includes a start timing generation circuit 86, an oscillation circuit 87, a read timing generation circuit 88, an image sensor driver 89, a buffer 90, an amplifier 91, a comparator 92, a density setting circuit 93, a latch 94, Record creation timing circuit 95, energization time setting circuit 9
6, recording head UP/DOWN counter 97, recording head driver 98, main scanning counter 99, carriage driver 100, paper feed counter 101,
Paper feed driver 102, main scanning direction switching circuit 10
3 and a reading length setting circuit 104.

When the copy switch 7 is pressed, the light source 14 for illuminating the original turns on, and the start timing creation circuit 86
A start signal for reading and recording is formed. 12th
The clock generated by the oscillation circuit 87 shown in the figure is frequency-divided by the read timing generation circuit 88 and becomes a driving clock for the image sensor 16, a driving clock for the recording head 59, and a clock for sending the carriage 12.

The image sensor drive 89 amplifies the drive clock and supplies it to the image sensor 16. The read output of the image sensor 16 is a buffer of 90
and is amplified by an amplifier 91. This amplified output is compared with the output from the concentration setting circuit 93 by a comparator 92, and becomes a binary signal.
The data is taken into the latch 94 and becomes recording data for the recording head 59.

The record creation timing circuit 95 includes an energization time setting circuit 96 so as to record the data read by the recording head 59 in synchronization with the reading timing.
energizes the recording head 59.

The recording head 59 is controlled by a head UP/DOWN counter 97 and a predetermined number of pulses, and a recording head driver 98 controls the recording head drive motor 67.
is driven and pressed against the recording paper 11.

The carriage 12 is moved by the carriage drive motor 57 driven by the main scanning counter 99 or the main scanning sensor that determines the main scanning length and the carriage driver 100 until the main scanning is completed.
After the main scan is completed, the motor 33 and the motor 50 are driven by the paper feed counter 101 and the paper feed driver 102, and the document 10 and the recording paper 11 are fed. After the paper feeding operation is completed, the main scanning direction switching circuit 103 rotates the carriage drive motor 57 in the reverse direction to switch the main scanning direction.

Copying onto the recording paper 11 alternately repeats main scanning and paper feeding (sub-scanning), and ends when the length set by the size switch 8 and reading length setting circuit 104 is reached.

The carriage 12 has a reading direction of the reading device 2.
The reading device ₂ and the recording device 3 are arranged so that Q 1 and the recording direction Q ₂ of the recording device 3 are opposite to each other, or in other words, the reading surface of the base paper 10 and the recording surface of the recording paper 11 face each other. are arranged. The recording portion 3a recorded on the recording paper 10 by the recording device 3 is the document reading portion 2a by the reading device 2, as shown in FIG.
It is located above.

Movement direction _R1 of the portion of the base paper 10 being read by the reading device 2 and movement of the portion of the recording paper 11 being recorded by the recording device 3 (the portion against which the recording head 59 is pressed) The direction W ₅ is in the opposite direction as shown in FIG.

The original 10 is inserted from the front of the top of the main case 5 and ejected from the front of the main case 5. The recording paper 11 is inserted from the rear of the upper surface of the main body case 5 and is ejected from the upper surface of the main body case 5. The ejection part of the recording paper 11 is the recording paper 1
It is located closer to the front side of the upper surface of the main body case 5 than the insertion part of the main body case 5. (See FIGS. 1 and 2) The basic copying operation of the small-sized copying apparatus of this embodiment is as follows.

First, the original 10 is inserted in the direction of arrow _R1 shown in FIG.
Insert until the 0 joint. In this state, knob 3
8 by hand and turn the feed roller 21 in the direction of arrow R ₂ shown in FIG. 3, the sub roller 40
follows the arrow _R3 direction shown in FIG. With this operation, the original 10 moves in the direction of arrow _R4 shown in FIG. 3, and preparations for ejection from the paper ejection port 74 to the outside of the main body case 5 are completed. The amount of movement of the document 10 at this time is up to the reading start point.

The copy range of the original 10 in the main scanning direction is set by manually moving the slider 81 and aligning it with the desired scale 85.

The recording paper 11 is set in the recording device 3 by inserting the recording paper 11 in the direction of arrow _W1 in FIG. 3 and operating the knob 51. Using the knob 51, move the roller 47 in the direction indicated by the arrow W ₂ in FIG.
When turned in the direction, the sub roller 48 will move in the direction shown by the arrow in Figure 3.
The recording paper ₁₁ passes between the platen 70 and the ink ribbon 69, and the sub roller 49 is driven in the direction of the arrow _W3 in FIG.
It moves in the direction of arrow _W5 in the figure, that is, above the top surface of the main body case 5.

To perform a copy operation using the operation unit 1, after setting the side switch 8 for specifying the copy area and the copy density adjustment switch 9, turn on the power switch 6 and the copy switch 7 in that order. This completes the process. This copying operation causes the control device 4 to operate, and the desired content of the original document 10 is copied onto the recording paper 11.

As in this embodiment, the reading direction Q ₁ of the reading device 2,
By arranging the reading device 2 and the recording device 3 in the carriage 12 so that the recording direction Q ₂ of the recording device 3 is opposite to the recording direction Q 2 of the recording device 3, the horizontal dimension of the main body case 5 can be reduced.
A small _- sized copying device can be obtained that can directly copy the contents of the original 10 onto the recording paper 11 without increasing the length L1 or the vertical dimension _L2 . According to this embodiment, the lateral dimension L ₁
is 350mm, vertical dimension L ₂ is 150mm, height dimension L ₃ is 65mm
It is possible to make the main body case 5 as small as possible.

Furthermore, in this embodiment, the same guide shaft 53 can be used as the shaft for driving the carriage 12 and the shaft for driving the recording head 59, so that the motor 57, belt 54, pulleys 56, 5
Only one drive system such as 6 is required, and the structure is simple. Furthermore, since the movement of the reading device 2 in the main scanning direction and the movement of the recording device 3 in the main scanning direction are performed by the same drive system such as the guide shaft 53, the structure is simple and the adjustment of the drive system is easy. The contents of the original document 10 can be accurately copied onto the recording paper 11 without having to do so.

Furthermore, in this embodiment, the moving direction of the portion of the base paper 10 that is read by the reading device 2 is downward (arrow _R1 direction), and the portion of the recording paper 11 that is recorded by the recording device 3 is moved downward (in the direction of arrow R1). Since the moving direction of the section is upward (arrow W ₆ direction), the recording paper 11
The contents recorded in the main body case 5 can be viewed directly from the front side of the main body case 5, which is convenient.

〔Effect of the invention〕

As described above, according to the present invention, the carriage, the reading device, and the recording device can be stored compactly in the main body case, the main body case can be made smaller, and the document ejected from the main body case and the recording paper can overlap each other. Moreover, it is possible to obtain a small-sized copying device that is extremely easy to use and allows the user to directly view the recording on the recording paper.

[Brief explanation of the drawing]

The drawings show an embodiment of the invention, FIG.
2 is a perspective view of the appearance in use, FIG. 3 is an enlarged vertical cross-sectional view of the main part, FIG. 4 is a cross-sectional view of the main part, FIG. 5 is a longitudinal cross-sectional view of the main part, and FIG. 7 and 7 are enlarged vertical cross-sectional views of the main parts, Fig. 8 are cross-sectional views for explaining the principle structure of the main parts, Fig. 9 are views taken in the direction of arrow X in Fig. ₈ , and Fig. 10 is an enlarged cross-section of the main parts. 11 is a perspective view of the external appearance in a state where no original or recording paper is set, and FIG. 12 is a block diagram of the electric circuit. 2...reading device, 3...recording device, 5...main case, 10...manuscript, 11...recording paper, 12...
...Kyaritsuji.

Claims (1)

[Scope of Claims] 1. A main body case, a carriage slidably provided within the main body case, a reading device provided on the carriage, and a method for recording content read from a document by the reading device onto recording paper. A small-sized copying machine comprising a recording device for recording, and the reading device and the recording device are arranged in the carriage so that the recording direction of the recording device and the reading direction of the reading device are opposite to each other. The recording paper inserted from the rear of the top surface of the main body case is located in front of the insertion part and is ejected from the top surface of the main body case, and the document inserted from the front of the top surface of the main body case is The reading device and the recording device are configured to be ejected from the front side of the main body case, and the reading device and the recording device are arranged in a manner such that the recording portion of the recording paper by the recording device is located above the document reading portion of the reading device. A small-sized copying device characterized by being installed in a carriage.