JP3465448B2 - Printer ink ribbon unit holder - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to two spool shafts used in a printer for printing a recorded image such as a video image as a hard copy, that is, a so-called color photograph. The present invention relates to a holder for bundling an ink ribbon unit and stopping the idling. Conventionally, an ink ribbon unit used in this type of printer includes a ribbon supply spool shaft on which an unused ink ribbon is wound, and a ribbon take-up spool shaft on which a used ink ribbon is wound. It is composed of
The ink ribbon unit is mounted on a printer while being housed in an ink ribbon cassette, and a printing operation on photographic paper is performed. The above-described ink ribbon unit is generally sold as a single unit. [0003] By the way, when the above-mentioned ink ribbon unit is sold, the ribbon supply spool shaft and the ribbon take-up spool shaft run idle and the ink ribbon is loosened, and the commercial value is reduced. Therefore, in order to prevent this, means for preventing binding and idling of the ribbon supply spool shaft and the ribbon take-up spool shaft are provided. Some of the conventional methods of binding and idling prevention will be described with reference to the drawings. In FIG. 11, reference numeral 10 denotes a ribbon supply spool shaft around which an unused ink ribbon 11 is wound, and reference numeral 12 denotes a ribbon take-up spool shaft which winds a used ink ribbon. Ribbon supply spool shaft 1
0 and one end of the ribbon take-up spool shaft 12, respectively, have a drive-side shaft portion 15,
The driving side shaft portions 15 and 16 are formed with driving shaft holes 15a and 16a and driving claws 15b and 16b on the inner peripheral surface thereof. The other end portions of the ribbon supply spool shaft 10 and the ribbon take-up spool shaft 12 are provided with driven side shaft portions 17 and 18 respectively.
Is composed. [0005] Incidentally, the above-described ink ribbon unit 19
As shown in FIG. 12, the lower half 50 and the upper half 51 are configured as an example of an ink ribbon cassette in which is stored. The lower half 50 has a substantially boat shape,
Drive-side bearings 52, 52 having circular shaft holes 52a, 52a opened at one end thereof are provided.
2, 52, the drive side shaft portion 1 of the ink ribbon unit 19;
5, 16 are rotatably supported. On the other end side of the lower half 50, driven-side bearing portions 53, 53 having U-shaped bearings 53a, 53a are provided. This driven side bearing portion 5
3 and 53, the driven side shaft 1 of the ink ribbon unit 19;
7, 18 are supported. Reference numeral 54 denotes an opening window corresponding to a printing head (not shown). The upper half 51 is combined with the lower half 50 having the driven-side bearings 53, 53.
Leaf springs 55, 5 for pressing the driven shaft portions 17, 18 at positions corresponding to the driven bearing portions 53, 53 of the lower half 50.
5 are provided. Now, the above-described ink ribbon unit 19
11 is sold as a single item, in the case of FIG. 11, the adhesive tape 20 is adhered across the end surfaces of both drive side shaft portions 15 and 16, and idles together with the binding of the ribbon supply spool shaft 10 and the ribbon winding spool shaft 12. Has been prevented. In the case of FIG. 13, the ribbon supply spool shaft 10 and the ribbon take-up spool shaft 12 are prevented from idling by binding the above-described ink ribbon unit 19 with a rubber band 21. [0009] In the case of FIG.
Is accommodated in a packaging bag 22 made of a transparent plastic or the like, and the packaging bag 22 is folded and fixed with an adhesive tape 23 to thereby provide the ribbon supply spool shaft 10 and the ribbon take-up spool shaft 1.
With the unity of No.2, idling is prevented. However, the binding and idling prevention method of the ink ribbon unit 19 shown in FIG. 11 is based on the drive side shaft portion 1 of the ribbon supply spool shaft 10 and the ribbon take-up spool shaft 12.
There is a problem that it is difficult to accurately adhere the adhesive tape 20 to the end faces of the adhesive tapes 5 and 16, and that the adhesive tape 20 is easily peeled off because the driven shaft portions 17 and 18 are free. Further, the method of preventing the ink ribbon unit 19 from binding and idling shown in FIG. 13 has a problem in that wrinkles are generated in the ink ribbon portion bound by the rubber band 21, thereby deteriorating the print image quality. Further, the method for preventing the binding and idling of the ink ribbon unit 19 shown in FIG. 14 has a problem that the packaging cost is expensive, the packaging is troublesome, and the cost is increased. SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems, and it is possible to securely bind an ink ribbon unit and prevent idling at a low cost, and without touching the ink ribbon. An object of the present invention is to provide a holder for an ink ribbon unit of a printer which can be mounted on an ink ribbon cassette. In order to achieve the above object, a holder for an ink ribbon unit of a printer according to the present invention is provided with a ribbon supply spool shaft around which an unused ink ribbon is wound and a used spool ribbon. A printer having a ribbon take-up spool shaft for winding an ink ribbon, and having a drive-side shaft portion at one end of the ribbon supply spool shaft and the ribbon take-up spool shaft, and a driven-side shaft portion at the other end. In the ink ribbon unit, the shaft portions of the ribbon supply spool shaft and the ribbon take-up spool shaft bundled in parallel are wrapped from the surface of the ink ribbon as a unit for binding the ribbon supply spool shaft and the ribbon take-up spool shaft and preventing slipping. A sheet-shaped holder main body, a temporary fixing piece provided at one end of the holder main body, and the holder near the other end of the holder main body. It is composed of an adhesive portion formed on the back surface of the rudder main body and a finger through hole formed substantially at the center of the holder main body. In the ink ribbon unit holder of the printer having the above-described structure, the surface of the ink ribbon of the ribbon supply spool shaft and the ribbon take-up spool shaft is wrapped in the holder body without loosening, and then the finger hole is formed from the outside of the holder body. Hold the holder body while holding the temporary retaining piece at one end with the inserted finger, and then wrap the other end from above the holder body and fix it with the adhesive part to bind the ink ribbon unit and prevent idling Can be performed. An embodiment of an ink ribbon unit holder for a printer according to the present invention will be described below with reference to the drawings. FIG. 1 is a plan view of a holder according to the present embodiment.
The holder main body is denoted by reference numeral 1, and the holder main body 1 is, for example, synthetic paper, PP (polypropylene), PET (polyethylene terephthalate) having a thickness of about 70 to 150 μm.
And has a certain degree of elasticity. The above-mentioned holder body 1 is configured as follows. A tongue-shaped temporary retaining piece 2 is formed at one end (left end) of the holder body 1, and a lateral hole-like finger through hole 3 is opened at substantially the center of the holder body 1. Further, the other end (right end) of the holder main body 1 is formed in a mountain-shaped outer shape, and an adhesive portion 4 is provided near the other end on the back surface of the holder main body 1 by applying an adhesive. Here, the structure of the ink ribbon unit which is bound and stopped by the above-mentioned holder will be described with reference to FIG. Reference numeral 10 denotes a ribbon supply spool shaft around which an unused ink ribbon 11 is wound, and reference numeral 12 denotes a ribbon take-up spool shaft which winds a used ink ribbon. One end of the ribbon supply spool shaft 10 and one end of the ribbon take-up spool shaft 12 have flanges 13 and 1 at their bases, respectively.
The drive-side shaft portions 15 and 16 having the drive shafts 4 are provided with drive shaft holes 15a and 16a and drive claws 15a and 16b on the inner peripheral surface thereof. The ribbon supply spool shaft 10 and the ribbon take-up spool shaft 1
The flanges 13a, 14a are provided at the other end of
Are provided to form an ink ribbon unit 19. The ink ribbon unit 19 is a ribbon supply spool shaft 1 around which an unused ink ribbon 11 is wound.
With the holder of the present invention described above, binding and idling stop are performed in a state where the ribbon take-up spool shaft 12 is abutted with the zero. Next, the ink ribbon unit 19 is
3 to 6 will be described with reference to FIGS. First, as shown in FIG. 3, the ink ribbon unit 19 is positioned on the flat holder body 1 with the ribbon supply spool shaft 10 facing upward, and the temporary holding piece 2 side of the holder body 1 is supplied with the ribbon. It is wound around the surface of the ink ribbon 11 of the spool shaft 10. After that, the holder main body 1 on the side of the temporary holding piece 2 wound around the surface of the ink ribbon 11 is pushed through the thumb through the finger hole 3 from the outer surface side of the holder main body 1 as shown in FIG. While the entire ink ribbon unit 19 is held from the outside of the holder main body 1, the other end of the holder main body 1 is wound around with another hand as shown in FIG. By bonding the ink ribbon unit 19 to the outer surface of the ink ribbon unit 1, the binding of the ink ribbon unit 19 and the non-spin stop are completed. FIG. 6 shows this binding and the idling stop state. As described above, since the shaft portion of the ribbon take-up spool shaft 12 and the surface portion of the ink ribbon 11 of the ribbon supply spool shaft 10 are brought into close contact with the holder body 1, the ink ribbon unit 19 is closed. 1
Since the binding of 0 and 12 and the prevention of idling can be reliably performed, the disturbance of the winding of the ink ribbon can be prevented. Also, the ink ribbon 11
Can be protected by the holder body 1 without touching the ink ribbon 11 with hands, and the quality of the ink ribbon is not impaired. Further, both end portions of the holder main body 1 in the wrapped state are the flanges 1 of the drive side shaft portions 15 and 16.
3, 14 and the flanges 13a of the driven shaft portions 17, 18;
Since the spool shafts 10 and 12 are almost in contact with each other, the two spool shafts 10 and 12 do not rattle in the axial direction. The above-described ink ribbon unit 19 is packaged in a packaging bag (not shown) together with the holder and provided for sale. Further, the holder of the present invention can be applied to various types of ink ribbon units having different winding diameters and dimensions depending on the type of ink ribbon. 4, the holder main body 1 can be always tightly attached to the ink ribbon unit 19 and bound. Here, the procedure for accommodating the ink ribbon unit 19 in the ink ribbon cassette without touching the ink ribbon unit 19 bound and idling stopped by the holder of the present invention will be described with reference to FIGS. . An example of the ink ribbon cassette is as follows.
A drive-side bearing portion 4 having circular bearing holes 42a and 43a opened at one end side of a cassette body 41 having a substantially boat shape.
2 and 43 are provided, and a cutout 44 is formed in the upper edge of one drive side bearing 42. On the other end side of the cassette main body 41, driven-side bearing portions 45 and 46 having U-shaped bearings 45a and 46a are provided. Reference numeral 47 denotes an opening window corresponding to a printing head (not shown). The ink ribbon unit 19 bound to the holder and stopped in idle rotation is first mounted on one of the drive side bearings 42 of the ink ribbon cassette by the ribbon supply side spool shaft 1.
The drive-side shaft portion 15 of the other ribbon take-up spool shaft 12 is mounted on the notch portion 44 of the drive-side bearing portion 42 (see FIG. 7). From this state, the driven shaft 17 of the ribbon supply spool shaft 10 is supported by one driven bearing 45 (see FIG. 8). Next, the other end of the holder main body 1 is gripped, the adhesive fixing portion is peeled off and separated, and the holder main body 1 is pulled out (see FIG. 9), whereby the ink ribbon unit is moved. 19 and can be removed. And finally, the ribbon take-up spool shaft 1
The second drive-side shaft portion 16 is supported by the other drive-side bearing portion 43, and the driven-side shaft portion 18 is supported by the other driven-side bearing portion 46, thereby completing the accommodation of the ink ribbon unit 19 in the ink ribbon cassette. (See FIG. 10). Thus, the ink ribbon 11 can be accommodated in the ink ribbon cassette without touching the ink ribbon 11 at all. The present invention is not limited to the embodiment described above and shown in the drawings, and various modifications can be made without departing from the scope of the invention. The binding and non-rotating of the ink ribbon unit of the printer using the holder of the present invention can be widely applied as the binding and non-rotating of the ink ribbon unit of a video printer and other printers. As described above, as means for binding and idling prevention of the ink ribbon unit of the present invention, the shaft portions of the ribbon supply spool shaft and the ribbon take-up spool shaft which are bundled in parallel from the surface of the ink ribbon. A sheet-shaped holder body to be wrapped, and a temporary fastening piece provided at one end of the holder body,
Near the other end of the holder main body, an adhesive portion formed on the back surface of the holder main body and a finger through hole formed at a substantially central portion of the holder main body make it possible to shorten the work of binding the ink ribbon. It can be easily performed in a short time and can be used for holders of various ink ribbon units. Also, since the configuration of the holder is extremely simple, it is easy to manufacture,
And cost reduction can be achieved. Further, the ink ribbon unit bound by the holder can be easily set in the ink ribbon cassette with good workability without touching the ink ribbon.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a plan view of a holder according to the present invention. FIG. 2 is a perspective view of an ink ribbon unit. FIG. 3 is an explanatory diagram of a procedure for binding an ink ribbon unit by a holder. FIG. 4 is an explanatory diagram of a binding procedure of the ink ribbon unit. FIG. 5 is an explanatory diagram of a binding procedure of the ink ribbon unit. FIG. 6 is a perspective view of the ink ribbon unit in a binding state. FIG. 7 is an explanatory diagram of a procedure for attaching the ink ribbon unit to the ink ribbon cassette. FIG. 8 is an explanatory diagram of a procedure for attaching the ink ribbon unit to the ink ribbon cassette. FIG. 9 is an explanatory diagram of a procedure for attaching the ink ribbon unit to the ink ribbon cassette. FIG. 10 is an explanatory diagram of a procedure for attaching the ink ribbon unit to the ink ribbon cassette. FIG. 11 is a perspective view of a binding and idling prevention means of a conventional ink ribbon unit. FIG. 12 is a perspective view of a conventional ink ribbon cassette. FIG. 13 is a perspective view of another example of a unit for preventing binding and idling of an ink ribbon unit of a conventional example. FIG. 14 is a perspective view of still another example of the binding and idling prevention means of the conventional ink ribbon unit. [Description of Signs] 1 Holder main body 2 Temporary retaining piece 3 Finger through hole 4 Adhesive part 10 Ribbon supply spool shaft 11 Ink ribbon 12 Ribbon take-up spool shaft 15, 16 Drive side shaft part 17, 18 Drive side shaft part

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) B41J 17/32 B41J 17/24

Claims (1)

(57) [Claim 1] A ribbon supply spool shaft for winding an unused ink ribbon and a ribbon winding spool shaft for winding a used ink ribbon. An ink ribbon unit for a printer, comprising a drive shaft at one end of a spool shaft and a ribbon take-up spool, and a driven shaft at the other end, wherein the ribbon supply spool and the ribbon take-up spool are provided. A sheet-shaped holder body that wraps the shaft portions of the ribbon supply spool shaft and the ribbon take-up spool shaft bundled in parallel from the surface of the ink ribbon, and one end of the holder body. A temporary fixing piece provided on a back surface of the holder main body near the other end of the holder main body; and a substantially central portion of the holder main body. A finger through holes formed,
And a holder for an ink ribbon unit of the printer.