JPH0632020A - Printer device - Google Patents

Abstract

PURPOSE:To improve the maintainability of a printing mechanism, etc., and to reduce the noise of the printing mechanism, etc., with high efficiency through a simple structure in a printer apparatus provided with a display in front of a body housing having the printing mechanism built-in. CONSTITUTION:A body housing 22 is formed into an erected wall being flat forward and backward and an opening is formed in front, a printing mechanism 32 is arranged in the opening of this body housing 22, and a display 6 is formed into a flat plate to close the opening of the body housing 22 so that the opening is opened and shut freely.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a printer device in which a display is provided on the front surface of a main body housing containing a printing mechanism.

[0002]

2. Description of the Related Art A printer used for printing slips has, for example, a structure in which a display and a keyboard are provided on the front of a main body housing having a printing mechanism. It is edited while checking on the keyboard display and output with the printing mechanism.

An input / output device for a computer, which the present applicant has proposed in the past as a conventional example of such a printer device, will be described with reference to FIGS. 7 and 8. First, as shown in FIG. 7, an input / output device 1 which is this printer device has a keyboard 3 integrally projectingly provided on a lower front portion of a main body housing 2 which is flat in the vertical direction and has an opening formed in the upper surface. There is an FDD (Floppy Di
sk Driving Devise) 4, 5 and LCD as a display
(Liquid Crystal Display) 6 is installed. Here, the LCD 6 is formed as a flat unit and is rotatably supported at the lower edge portion, and the top plate of the main body housing 2 located behind the LCD 6 is also rotatable in the same direction. It is a transparent printer cover 7.

In the input / output device 1, three paper feed ports 8 to 10 are formed in the lower portion of the front surface of the main body housing 2, the central portion of the upper surface, and the rear edge portion, respectively. One discharge port 11 near the center of the upper surface of the
Are formed. Therefore, in the input / output device 1, the printing mechanism 14 in which the dot impact type serial head 12 and the platen board 13 are arranged so as to face each other has the discharge port 1 described above.
1 is formed in the vicinity of 1, and various guide plates are provided on the sheet conveying paths 15 and 16 for cut sheets, which communicate with the sheet discharging port 11 from the sheet feeding ports 8 and 9 via the printing mechanism 14. (Not shown), a feed roller 17 and the like are arranged, and the paper feed port 10 is provided to the paper ejection port 11 via the printing mechanism 14.
In addition to the feed roller 17 and the like, a tractor 19 and a guide roller 20 are disposed on the paper transport path 18 for the stock home that communicates with each other.

In such an arrangement, in the input / output device 1, for example, a floppy disk (not shown) to F
The format data read by the DDs 4 and 5 is displayed on the LCD 6, and the print image is edited by inputting character information with the keyboard 3 while visually checking the display screen of the LCD 6. Therefore, a cut sheet or a stock home (both not shown) corresponding to this print image is provided in the predetermined paper transport path 1.
By driving the printing mechanism 14, the feed roller 17, the tractor 19 and the like after setting them in 5, 16 and 18, a predetermined image is printed on a cut sheet or stock home.

In the input / output device 1, the LCD 6
Can be rotated back and forth to be fixed at a position desired by the user. By rotating the LCD 6 forward and the printer cover 7 upward, the printer cover 7 shields the screen. Printing mechanism 1
4 can be exposed, and maintenance work such as replacement of the ink ribbon can be easily performed. Further, in the input / output device 1, by rotating the LCD 6 forward to perform the printing operation with the printer cover 7 closed, the printing mechanism 14, the feed roller 17 and the like via the transparent printer cover 7 are provided. It is also possible to quietly observe the operation state.

[0007]

The above-mentioned input / output device 1 is provided.
In the above, the LCD 6 and the printer cover 7 are rotated to easily perform maintenance work on the printing mechanism 14 and the like. Since it is formed of the top plate, the maintenance work of the printing mechanism 14 and the like is performed from above the main body housing 2, and the workability is poor.

Further, in the above-mentioned input / output device 1, noise is reduced by closing the printing mechanism 14 and the like with the printer cover 7, but since the printer cover 7 is formed of an acrylic thin plate or the like. It is difficult to satisfactorily reduce the noise generated by the printing mechanism 14 and the like. For example, it is conceivable to double the printer cover 7 or form a thick plate to reduce noise with high efficiency.
This is not preferable because it reduces the size and weight and hinders the productivity.

Further, in the above-mentioned input / output device 1, since the LCD 6 is formed on a large screen so that the print image can be easily edited by the operation input of the keyboard 3, this is because the LCD 6 which is flat in the front-back direction is arranged in the vertical direction. The main body housing 2 has a flat shape and is erected on the main body housing 2. The overall structure is large and the occupied volume is increased.

[0010]

In a printer device in which a display is provided on the front surface of a main body housing containing a printing mechanism, the main body housing is formed in a flat standing wall shape in the front-rear direction and an opening is formed in the front surface. Then, the printing mechanism is arranged in the opening of the main body housing, the display is formed in a flat plate shape, and the display is mounted at a position to close the opening of the main body housing.

[0011]

Since the display that shields the printing mechanism and the like in a retractable manner is located on the front surface of the main body housing, maintenance work for the printing mechanism and the like is performed from the front of the main body housing, and workability is good. Since the printing mechanism and the like are closed by the thick display in which the plate-shaped members are laminated, the noise is highly efficiently reduced and the operation sound is extremely quiet.

[0012]

Embodiments of the present invention will be described with reference to FIGS. The same parts as those of the input / output device 1 described above as a conventional example are denoted by the same names and reference numerals, and description thereof will be omitted. First, as illustrated in FIG. 4, an input / output device 21, which is this printer device, includes a main body housing 22 which is formed in a flat standing wall shape in the front-rear direction and has an opening formed in the front surface.
A light receiving portion 23 for optical communication is provided in the central portion near the lower edge of the front surface of the light receiving portion 23, and a light emitting portion 24 for optically transmitting data to the light receiving portion 23 is provided in the central portion of the front surface of a separate keyboard 25. It is projected. Then, in this input / output device 21, as shown in FIGS.
A flat plate-shaped LCD 6 is rotatably supported at a lower edge portion at a position above, and a front plate of the main body housing 22 overlapping the rear surface of the LCD 6 is also a transparent printer in which the front plate is rotatable in the same direction. It is a cover 26.

In this input / output device 21, two paper feed ports 27 and 28 are formed near the lower edges of the front and rear surfaces of the main body housing 22, and one is provided on the upper surface of the main body housing 22. Two sheet discharge ports 29 are formed. Therefore, in this input / output device 21, a printing mechanism 32 in which a dot impact type serial head 30 and a platen board 31 are arranged to face each other is formed near the paper discharge port 29, and an opening on the front surface of the main body housing 22 is formed. The printer cover 26 and L, whose parts are sequentially opened and closed.
The CD 6 shields the printing mechanism 32 and the like so as to be retractable.

Further, in the input / output device 21, various guide plates are provided on the sheet conveying path 33 for cut sheets, which communicates with the sheet discharging port 29 from the sheet feeding port 27 through the printing mechanism 32. (Not shown), a feed roller 34, and the like are disposed, and the feed roller 34 is provided on a paper transport path 35 for a stock home that communicates with the paper discharge port 29 from the paper feed port 10 via the printing mechanism 32. In addition to the above, a tractor 36 is arranged. Here, this input / output device 21
In the above, the tractor 36 is provided in the unit housing 38 having the paper feed port 37 formed in the rear portion thereof to form the tractor unit 39 independent of the main body housing 22, and the tractor unit 39 is the main body housing. The paper feed port 28 near the lower edge of the rear surface 22 is detachably attached.

In the input / output device 21, a tractor cover 40 that shields the tractor 36 in the tractor unit 39 so that the tractor 36 can be retracted is rotatably attached to the upper edge of the paper feed port 28 of the main body housing 22. As illustrated in FIG. 6, a separate cover plate 41 is detachably attached to the paper feed port 28 from which the tractor unit 39 is removed. Further, in the input / output device 21, a power source 42, a circuit board 43, etc. are arranged in front of the paper feed port 28 of the main body housing 22, and the power source 42, the circuit board 43, etc. It is attached to the part 23. Furthermore, this input / output device 2
In 1, the paper ejection tray 44 is provided at the rear edge portion of the paper ejection port 29, and the tractor unit 39 is located below the paper ejection tray 44.

In this configuration, in the input / output device 21, for example, the format data read by the FDDs 4 and 5 from a floppy disk (not shown) is displayed on the LCD 6.
, And the print image is edited by operating the keyboard 25 to input character information while visually recognizing the display screen of the LCD 6. Therefore, by setting the cut sheet or stock home corresponding to the print image on the predetermined paper transport paths 33, 35 and then driving the printing mechanism 32, the feed roller 34, the tractor 36, etc., the cut sheet or stock home can be changed. Image printing can be performed.

In this input / output device 21, cut sheets such as slips and plain paper (both not shown) are inserted into the paper feed port 27 near the lower edge of the front surface. Since the upper surface of the keyboard 25 is formed in a shape that is substantially continuous with the lower edge of the paper feed port 27, the keyboard 25 can be used as a guide for conveying cut sheets. In this input / output device 21, the function keys (not shown) for designating various operations at the time of printing on the cut sheet are centrally arranged on the side of the keyboard 25. Even if it is used as a conveyance guide, the operability is not impaired.

Further, in the input / output device 21, since the image can be printed on the stock home by using the paper feed port 28 near the lower edge of the rear surface, the number of lines can be changed like a program list, for example. Even a large amount of data can be printed on a single sheet. When using such a stock home, as illustrated in FIG. 1, a tractor unit 39 is attached to the paper feed port 28 near the lower edge of the rear surface of the input / output device 21, and the stock home is arranged downward. The input / output device 21 is placed on the desk 45 so that the tractor unit 39 is located near the trailing edge. Therefore,
The stock home pulled out from the rear of the desk 45 is set in the paper feed port 37 of the tractor unit 39. In this input / output device 21, the tractor unit 39 is located in the vicinity of the lower edge of the rear surface, so the stock home. It is extremely easy to route and prevents jamming and skewing. Also,
In this input / output device 21, the tractor unit 39 can be detached from the rear surface of the main body housing 22 as desired, as illustrated in FIG. 6, so that the space on the desk 45 is effective when the user does not use the stock home at all. Can be used for.

Further, in this input / output device 21, as shown in FIG. 3, the LCD 6 and the printer cover 26 are rotated from the front side to the lower side, whereby the main body housing 22.
The maintenance work can be performed by exposing the printing mechanism 32 located in the opening on the front surface of the printer. At this time, in the input / output device 21, the printer cover 26 and the LCD 6 that shield the printing mechanism 32 and the like so as to be retractable are located on the front surface of the main body housing 22, so that maintenance work of the printing mechanism 32 and the like is performed on the main body housing 22. The workability is extremely good because it is performed from the front of the.

Here, in the input / output device 21, in addition to the printer cover 26 made of an acrylic thin plate or the like, the thick LCD 6 formed by laminating various plate-like members also closes the printing mechanism 32 and the like. Therefore, the noise is highly efficiently reduced and the operation sound is extremely quiet. In addition, since the printer cover 26 and the LCD 6 that double shield the printing mechanism 32 and the like are existing components, noise is reduced without reducing the size and weight and productivity.

In this input / output device 21, the LCD 6
Can be rotated back and forth to be fixed at a position desired by the user. Further, as illustrated in FIG. 2, by rotating the LCD 6 downward, printing is performed via the transparent printer cover 26. It is also possible to quietly confirm the operating state of the mechanism 32. Further, when it is not important to fix the LCD 6 in a rotated state or to observe the printing mechanism 32 quietly, the printer cover 26 as described above is integrated with the LCD 6 to improve productivity. Can also be implemented.

Further, in the input / output device 21, the LCD 6 is formed on a large screen so that the print image can be easily edited by the operation input of the keyboard 3, which is a flat LCD 6 in the front-back direction. Flat body housing 2
Since the shape is overlapped with the front surface of 2, the whole structure is downsized and the occupied volume is reduced.

[0023]

As described above, according to the present invention, in the printer device in which the display is provided on the front surface of the main body housing having the printing mechanism built therein, the main body housing is formed in a flat standing wall shape in the front-rear direction to form a front surface. By forming an opening, arranging the printing mechanism in the opening of the main body housing, forming the display in a flat plate shape, and mounting the display in a position that closes the opening of the main body housing, the printing mechanism is formed. Since the display that shields, etc., freely retracts from the front of the main body housing, maintenance work such as the printing mechanism is performed from the front of the main body housing, and workability is good. Since the printing mechanism etc. is closed with the thick display stacked, the noise is highly efficiently reduced and the operation sound is extremely quiet. Is shall.

[Brief description of drawings]

FIG. 1 is a vertical sectional side view showing an embodiment of the present invention.

FIG. 2 is a vertical side view showing a state in which an LCD, which is a display, is opened.

FIG. 3 is a vertical cross-sectional side view showing a state in which an LCD and a printer cover are opened.

FIG. 4 is a perspective view viewed from the front.

FIG. 5 is a perspective view viewed from the rear.

FIG. 6 is a vertical sectional side view showing a state in which a tractor unit is removed.

FIG. 7 is a perspective view showing a prior art proposed by the applicant in the past.

FIG. 8 is a vertical sectional side view.

[Explanation of symbols]

 6 Display 21 Printer Device 22 Main Body Housing 32 Printing Mechanism

Claims (1)

[Claims] 1. A printer apparatus comprising a main body housing having a printing mechanism and a display provided on the front surface of the main body housing, wherein the main body housing is formed in a flat standing wall shape in the front-rear direction to form an opening in the front surface. A printer device in which the printing mechanism is arranged in an opening of a housing, the display is formed in a flat plate shape, and the display is attached to a position for closing the opening of the main body housing so as to be openable and closable.