JPH043823Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to an improvement of a sub-cassette case for mounting an endless ink ribbon in an endless ink ribbon cartridge used in printers such as office automation equipment.

A conventional sub-cassette case of this type has a box-shaped main body 1 that stores endless ink ribbons 8 in a meandering arrangement, as shown in FIGS. 1A and 1B. Side plates 4, 4, which form the insertion hole 3 and constitute the side wall of the box-like main body 1;
5, 5 A notch hole 6 for drawing out the endless ink ribbon 8 is formed in each of the opposing side plates 4, 4 of medium and short dimensions, and a push plate 7 is provided between the bottom plate 2 of the box-shaped main body 1 and one side of the endless ink ribbon 8. The method of use is to insert the box-like main body 1 into an endless ink ribbon cartridge (not shown), and while pressing the push plate 7 through the insertion hole 3, remove the box-like main body 1 from the cartridge. By removing it, the endless ink ribbon 8 is installed in the cartridge.

However, in this installation process, the sub-cassette case is generally inserted into the cartridge cartridge upside down, so that the endless ink ribbon 8 often falls out of the opening 1a of the box-like main body 1 due to its own weight during the installation. As a result, the work of installing the endless ink ribbon 8 into the cartridge becomes extremely complicated. Further, even when the box-shaped main body 1 is packaged with the endless ink ribbon 8 stored therein, the endless ink ribbon 8 similarly falls off, making the packaging work complicated.

For this reason, solutions such as using a band or attaching a cover have been proposed, but all of these solutions are not only time-consuming and extremely inconvenient to handle, but also make the endless ink ribbon 8. It could not be effectively prevented from falling off.

The present invention was devised in view of the shortcomings of the conventional sub-cassette case, and allows endless ink ribbons to be drawn from the opening of the box-like body at predetermined locations on the inner surface of one opposing side plate of the box-like body. The above-mentioned drawbacks are effectively solved by continuously forming ribs to prevent falling off.

Below, the present invention will be described in detail based on an illustrative embodiment.
As shown in Figures A and B, the endless ink ribbon 8
The box-like main body 1 has a box-like main body 1 made of synthetic resin that accommodates the main objects in a meandering arrangement, an insertion hole 3 is formed approximately in the center of the bottom plate 2 of the box-like main body 1, and a side plate forming a side wall of the box-like main body 1. 4, 4, 5, 5 A notch hole 6 for drawing out the endless ink ribbon 8 is formed in each of the opposing side plates 4, 4 of medium and short dimensions, and the bottom plate 2 of the box-like main body 1
This configuration has a push plate 7 interposed between one side of the endless ink ribbon 8, and its characteristics are as shown in the figure, the side plates 4, 4, 5, and 5 forming the side walls of the box-shaped main body 1 are medium-long. Opposite side plates 5, 5
The main feature is that ribs 9 are continuously formed on the entire upper part of the inner surface of the box-shaped main body 1 to prevent the endless ink ribbon 8 from falling off from the opening 1a of the box-shaped main body 1.

Specifically, the side plates 5, 5 are slightly higher than the height of the endless ink ribbon 8 in the box-like main body 1.
Ribs 9 that slightly protrude inward are integrally and continuously formed on each inner surface, and are configured to hold the edges of the aligned longitudinal direction of the endless ink ribbons 8 in a meandering aligned state from both sides.

Therefore, when installing the stored endless ink ribbon 8 into the cartridge 10 using the sub-cassette case of the present invention, even if the sub-cassette case is upside down and inserted into the cartridge 10 as in the conventional case, the As shown in FIG. 3A, the endless ink ribbon 8 in the box-like main body 1 is aligned and the longitudinal edges thereof are held from both sides by the ribs 9, 9, so that the opening 1a of the box-like main body 1 is held by its own weight as in the conventional case. It never falls off.
After assembly, press plate 7 from insertion hole 3 as shown in Figure B.
If the endless ink ribbon 8 is removed while pressing, the endless ink ribbon 8 can be reliably installed in the cartridge 10 as in the past, but since the rib 9 for preventing falling off only slightly protrudes inward, the rib 9
The presence of the endless ink ribbon 8 does not interfere with the attachment of the endless ink ribbon 8.

As described above, the present invention is to continuously form ribs at predetermined locations on the inner surface of one of the opposing side plates of the box-like main body of the sub-cassette case to prevent the endless ink ribbon from falling out from the opening of the box-like main body. Since it has an extremely simple and inexpensive structure, it not only simplifies the work of attaching the endless ink ribbon to the cartridge, but also reduces the work of packaging the sub-cassette case itself that stores the endless ink ribbon. It is very convenient to have it with you. Furthermore, the conventional measures to prevent the device from falling off, which are time-consuming and inconvenient, such as using a band or attaching a cover, are no longer necessary.

[Brief explanation of the drawing]

FIG. 1A is a perspective view showing a conventional sub-cassette case, FIG. B sectional view and FIGS. 3A and 3B are sectional views showing a state in which an endless ink ribbon is installed in a cartridge using the sub-cassette case according to the present invention. 1... Box-shaped main body, 2... Bottom plate, 3... Insertion hole,
4... Short side plate, 5... Long side plate, 7... Push plate, 8... Endless ink ribbon, 9... Rib, 10... Cartridge for endless ink ribbon.

Claims (1)

[Scope of utility model registration request] An insertion hole is formed approximately in the center of the bottom plate of a rectangular box-shaped main body in which the endless ink ribbons arranged in a ninety-nine fold shape are housed inside, and one of the side plates forming the side walls of the box-shaped main body is opposite to the other. A notch hole is formed in each of the side plates for pulling out the endless ink ribbon, and a push plate is interposed between the bottom plate of the box-like main body and the endless ink ribbon, and the box-like main body is assembled into an endless ink ribbon cartridge. In the sub-cassette case in which the endless ink ribbon is installed in the cartridge by pressing the push plate from the insertion hole, the endless ink ribbon is folded back at a predetermined location on the inner surface of both sides of the long sides of the box-shaped body. A sub-cassette case for an endless ink ribbon, characterized in that ribs 9 are continuously formed to support the ribbon at points and prevent it from falling off from the opening of the box-shaped main body.