JPH046920Y2 - - Google Patents

Description

[Detailed Description of the Invention] "Industrial Application Field" The present invention relates to a display device for displaying key input data, etc. in a printing machine such as a typewriter or word processor.

"Prior Art and its Problems" Conventionally, typewriters and portable word processors have been manufactured and sold separately, with and without a display such as a liquid crystal display, and those without. If purchased, it was not possible to incorporate a display device into it at a later date.

This invention allows the user to arbitrarily choose whether to sell the display with or without a built-in display, and even if the display is not built in at the time of purchase, it can be easily built in at a later date if necessary. It is something. In addition, the appearance is almost the same when the display is not installed and when it is installed, and the installation work can be easily performed.

"Means for Solving the Problem" Therefore, in the present invention, a box-shaped storage recess 7 with an open top is provided in the printing machine main body 1, and a display device that can be detachably stored in the storage recess 7 is provided. 13, and a plate-shaped lid 8 for replacing the display 13 and closing the upper opening of the storage recess 7. Storage recess 7
Engagement holes 12 are provided in the front and rear inner walls 11 of the lid body 8, and hooked engagement protrusions 9 and 10 that removably engage with the engagement holes 12 are integrally vertically provided on the front and rear edges of the lid body 8. . The display device 13 closes the top opening of its housing 16 with a cover plate 15 of the same size as the cover body 8, and
The cover plate 15 is provided with a display window 14, and the side surface of the housing 16 is provided with an engagement protrusion 18 that removably engages with the engagement hole 12 on one of the front and rear sides.
A hooked engagement protrusion 19 that engages with the other engagement hole 12 is vertically provided on the side edge of the engagement hole 12 .

"Function" Therefore, when the display device 13 is not installed in the printing body 1, the front and rear engaging protrusions 9, 10 of the lid 8 are engaged with the front and rear engaging holes 12 of the storage recess 7, and the lid The upper opening of the storage recess 7 is closed with the body 8.

When incorporating the display 13, remove the lid 8 and insert the engaging protrusion 1 of the housing 16 of the display 13.
8 and the engaging protrusion 19 of the lid plate 15 are engaged with the engaging hole 12, and the display 13 is stored in the storage recess 7 by closing the upper opening of the storage recess 7 with the lid plate 15. do.

"Embodiment" Hereinafter, an embodiment in which the present invention is applied to a typewriter will be described in detail.

As shown in FIG. 1, a typewriter body (printing machine body) 1 is constructed by combining an upper cover 2 and a bottom cover 3. It can be opened and closed with. This upper cover 2 has a horizontally elongated box-shaped storage recess 7 with an open top surface formed between the top surface opening 4 and the keyboard 6. The storage recess 7 is provided with a plate-shaped lid 8 as shown in FIG. 4 that opens and closes the opening thereof, and the lid 8 can be removed from the typewriter body 1.

That is, the lid body 8 has elastic front left and right engaging protrusions 9 and rear left and right engaging protrusions 10 that have hooks at the lower ends and are integrally formed on the front and rear edges thereof. On the other hand, the front and rear inner walls 1 of the storage recess 7
1 has left and right slightly vertically elongated engagement holes 12, respectively.

Therefore, as shown in FIG. 2, when the engaging protrusions 9 and 10 of the lid body 8 are forcibly engaged with the engaging hole 12 of the storage recess 7 against the elastic force thereof, The lid body 8
is held by the upper cover 2 with the opening of the storage recess 7 closed. In order to open and remove the lid 8, it is sufficient to push it down to remove the engaging protrusions 9 and 10 from the engaging hole 12, and then lift it up.

This typewriter also has a liquid crystal display 13 as shown in FIG. 5 as an optional product.
is provided, which can be detachably inserted into the storage recess 7 with the lid 8 removed.

That is, the liquid crystal display 13 has a top opening of a housing 16 closed with a lid plate 15 having a display window 14, and a liquid crystal device 17 built into the housing 16. Left and right locking protrusions 18 are provided on the front side of the housing 16, and left and right locking protrusions 18 with elasticity are provided on the rear side edge of the lid plate 15, which is the same size as the lid body 8, as shown in FIG. A locking protrusion 19 is integrally provided vertically. Further, a flat flexible cord 21 having a connector 20 at its tip is drawn out from the housing 16 downward.

Therefore, the locking protrusion 18 fits into the front engagement hole 12 of the storage recess 7, and the locking protrusion 19 fits into the rear engagement hole 1.
When the box 16 is inserted into the storage recess 7 to the position where it engages with the storage recess 7, the liquid crystal display 13 is held by the upper cover 2 in a state where it fits snugly into the storage recess 7. The locking protrusion 18 and the locking protrusion 19 are inserted into the engagement hole 1
2, the liquid crystal display 13 can be pulled out from the storage recess 7.

Also, inside the typewriter body 1, the bottom cover 3
A circuit board 22 is installed on top. Various IC circuits 23 are mounted on this circuit board 22, as shown in FIG. Indicator connector 25 to be connected to 20, carrier 2 in the middle part
An expansion board connector 29 for connecting to the expansion board 28 is fixed to the rear end of the carrier connector 27 for connecting to the expansion board 28.

The expansion board 28 connects the board connection connector 30 fixed to the lower end with the expansion board connector 29.
The upper cover 2 is vertically erected on the rear end of the circuit board 22, and is supported by the rear wall 31 of the upper cover 2 as shown in FIG. A plurality of electronic component cartridge connection connectors 32 are fixed to the outer surface of the expansion board 28, and these connectors 32 are connected to the board connection connector 30 on the expansion board 28 to a printer.
These connectors 32, which are connected to the IC circuit 23 on the circuit board 22 through this, respectively face into connector windows 33 provided in the rear wall portion 31 of the upper cover 2. The outer surface of the rear wall portion 31 has portions corresponding to the connectors 32, respectively.
Electronic component cartridges such as ROM cartridges 3
4 can be detachably attached, and when it is attached, the internal connector (not shown) is connected to the corresponding connector 32. Therefore, the circuit of the electronic component cartridge 34 is connected via the expansion board 28 to the IC circuit 23 on the circuit board 22 directly connected thereto over a short wiring distance. The electronic component cartridge 34 is covered by a rear cover 35 attached to the rear wall 31 so as to be openable and closable.

In FIG. 6, reference numeral 36 is a switch for detecting that the electronic component cartridge 34 is attached, and is fixed to the expansion board 28.

"Effects of the invention" As stated above, according to the invention, when the display is not installed in the printing machine body, the storage recess is closed with the lid, and when it is installed, it is opened and the display is stored. Since it can be removably inserted into the recess, you can choose whether to sell it with or without the display installed, and even if it is not installed at the time of purchase, it can be easily installed at a later date if necessary. I can do it.

In addition, the lid has hooked engagement protrusions vertically disposed on the front and rear of the lid, and the indicator has hooked engagement protrusions vertically disposed on the lid and an engagement protrusion provided on the side surface of the housing. can be attached and detached by engaging in the same manner with the engagement hole of the storage recess, making it easy to replace the lid and the display.

Furthermore, the display device closes the top opening of the housing with a lid plate that is the same size as the lid body, and the display is viewed through the display window provided on the lid plate, so the storage recess is covered with the lid body. The appearance can be made almost the same when the display is closed and when the display is stored in the storage recess.

[Brief explanation of the drawing]

The drawings show an embodiment in which the present invention is applied to a typewriter, in which Fig. 1 is an overall perspective view of the typewriter, Fig. 2 is an enlarged sectional view thereof, Fig. 3 is an enlarged sectional view of the main part, and Fig. 4 is an enlarged sectional view of the main part. FIG. 5 is a perspective view of the lid, FIG. 5 is a perspective view of the liquid crystal display, and FIG. 6 is a perspective view of the circuit board and expansion board. 1...Typewriter body, 7...Storage recess, 8
... Lid body, 9, 10 ... Engagement protrusion, 11 ... Inner wall, 12 ... Engagement hole, 13 ... Indicator, 14 ...
Display window, 15...Lid plate, 16...Housing, 1
8... Engaging protrusion, 19... Engaging protrusion piece.

Claims (1)

[Scope of utility model registration request] The printing machine main body 1 is provided with a box-shaped storage recess 7 with an open top, and a display 13 that can be removably stored in the storage recess 7. A plate-shaped lid 8 is provided for closing the top opening, and engagement holes 12 are provided in the front and rear inner walls 11 of the storage recess 7, and on the front and rear edges of the lid 8,
Hooked engagement protrusions 9 and 10 that removably engage with the engagement hole 12 are integrally provided vertically, and the indicator 13 has the following features:
The upper surface opening of the housing 16 is closed with a cover plate 15 of the same size as the cover body 8, and a display window 14 is provided on the cover plate 15, and the engagement hole 12 on one of the front and rear sides is provided on the side surface of the housing 16. It is noted that an engaging protrusion 18 that engages in a detachable manner is provided, and a hooked engagement protrusion 19 that engages with the other engaging hole 12 is vertically provided on the side edge of the cover plate 15. Characteristic printing machine display device.