JPH01180373A - Manually driven type printer - Google Patents

Abstract

PURPOSE:To obtain a manually driven type printer enhanced in printing quality and detachability of a ribbon cassette, by providing a thermal head, a slide means engaged with a cover means, which comprises a ribbon guide means and a contact part, and also with a slide guide means, and a slide-pressing means for pressing the slide means so as to press the contact part against a printing surface. CONSTITUTION:A driving roller 2 is located on the backward side of a thermal head 1 with respect to the moving direction (arrow B) at the time of printing, is provided with a recessed relief part 2c to function also as a guide for a thermal printing ribbon 3, and is rotated only in the direction of an arrow C under the function of a one-way clutch incorporated therein. Roller rubbers 2d, 2e are provided on the outer periphery of the driving roller 2, are brought into con tact with a printing surface 60, and are rotated smoothly without slip when a main body of the printer is moved. A roller- pressing spring 10 is engaged with a part 20a of a frame 20, and energizes a shaft 2b of the driving roller 2 in the direction of an arrow A toward the printing surface 60. The roller shaft 2b is guided by guide grooves 20d in the frame 20 so that it can be slidden up to a predetermined amount in the direction opposite to the arrow A. A cover 30 serves also as guides for an outlet part 40c and an inlet part 40d, for the ribbon 3, of a ribbon cassette 40.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a thermal transfer manual printer that prints by manual scanning.

[Conventional technology]

Many manual scanning printers have been proposed in the past. Representative examples include JP-A-60-109888 and JP-A-82-244883. Japanese Patent Publication No. 81-283574,
Examples include Utility Model Publication No. 81-18885. In these methods, a thermal ink ribbon is sandwiched between a fixed roller and a printing surface, and the ribbon is manually scanned and moved while printing, or the printer is pressed against the material to be printed, and the ribbon is manually scanned and printed.

(Problem II to be Solved by the Invention) However, in this conventional example, there is no member or device that regulates and guides the running direction of the thermal ink ribbon near the printing mechanism, and the disadvantage of manual pre-scanning is that the thermal ink ribbon This has serious drawbacks, such as misalignment from the surface of the thermal head, sagging, jamming, and protrusion, resulting in dirt and other contamination, resulting in a decline in print quality and ease of maintenance. Also,
Even with a guide function, the ribbon running surface is complicated, and there are drawbacks such as poor operability and ease of attaching and detaching the ribbon cassette. In addition, the thermal ink ribbon and the thermal head cannot be brought into close contact with the printing surface due to floating or wrinkles on the printing surface, resulting in defects such as printing shading and uneven printing.

The purpose of the present invention is to eliminate these major drawbacks of the conventional technology and provide a cover means that opens and closes by pressing and sliding with a simple structure, thereby reliably guiding the thermal ink ribbon, improving printing quality, and improving the ribbon cassette attachment/detachment diameter. An object of the present invention is to provide a thermal transfer manual printer with improved performance.

[Means to solve the problem]

The manual printer of the present invention engages a thermal head, a ribbon guide means for guiding a thermal ribbon, and a cover means having a contact portion for pressing engagement with a printing surface, and slides opposite to the printing surface. The invention is characterized in that it has a slide means that engages with the slide guide means so as to enable the slide means, and a slide pressing means for applying a pressing force to the slide means and pressing the contact portion against the printing surface. The ribbon guiding means grows a ribbon positioning layer and a wound guiding portion that regulate the position of the thermal ribbon with respect to the thermal head, and furthermore, when the ribbon cassette that stores the thermal lipo 1 is replaced or removed, the ribbon 7 and the cover means can be opened and closed in a direction opposite to and away from the cassette, and further rotatable so as to be located between the first multi-lipo/ and the printing surface near a certain printing rear side of the thermal head. It is characterized in that the contact portion has a recessed non-contact portion corresponding to an area through which the image information printed on the printing surface passes under the attached roller.

〔Example〕

1 to 2 and 15 to 17 are external configuration diagrams of an embodiment of a manual printer according to the present invention, and FIGS. 3 to 13 and FIGS. FIG. 14 is a schematic diagram of an embodiment of a manual printer according to the present invention, and FIG. .

In FIGS. 1 to 6, FIGS. 8 and 15, 1 is a thermal head, and 2 is a concave shape at the rear of the thermal head 1 in the printing movement direction (arrow B), relative to the passage of the thermal ribbon 3. It is a drive roller that grows a relief part 2c and also serves as a guide for the thermal ribbon 3, and rotates only in the direction of arrow C with a built-in one-way clutch. It is formed. 2d and 2e are roller rubber A and roller rubber B, respectively, which are provided on the outer periphery of the drive roller 2 and have a printing surface 0.
s2c, which is in contact with 0 and rotates without slipping when the printer body moves, is made of a material that reduces the frictional force with the back coat of the thermal ribbon 3 so that the thermal ribbon 3 can pass through it without any load. . The transmission gear 4 engages with a detection gear portion 8a of a detection plate 6 that operates a photointerrupter 5, and the detection plate B has a plurality of 60b for obtaining a signal synchronized with the movement of the drive roller 2 in the circumferential direction. is perforated. Reference numeral 13 denotes a detection pressing spring that applies a frictional load to the detection plate 6 to prevent generation of extra pulses due to inertia. A transmission plate 7 has a gear portion that engages with the transmission gear 4, and is frictionally engaged with the ribbon winding core 8 via a ribbon winding shaft 8a and a friction plate 8b made of felt or the like. The ribbon winding core 8 is a ribbon winding shaft 8
It is press-fitted into a. 8C is ribbon winding core 8
A built-in spring applies a pressing force to the transmission plate 7. The transmission plate 7 rotates faster than the ribbon winding core 8, and is configured to prevent the thermal ribbon 8 from loosening. The ribbon winding core 8 is a ribbon cassette 40
It has a structure that engages with the ribbon cassette core 42b. Reference numeral 9 designates a support roller which has a concave relief i9b for the passing portion of the thermal ribbon 3 and also serves as a guide for the thermal ribbon 3, and a rubber roller C of 9c is provided on the outer periphery to provide a printing surface 80.
The support roller shaft 9& is supported by a support roller shaft 9&, and the support roller shaft 8a is fixed to the frame 20 so that it can rotate without slipping when the printer body moves. 10 is a roller pressing spring that engages with a portion 20a of the frame 20 and applies a pressing force to the shaft 2b of the drive roller 2 in the direction of arrow A, which is the direction of the printing surface 60. The roller shaft 2b is slidable by a certain amount in the direction opposite to the arrow A through the guide groove 20 of the frame 20.
The SLC guided by d is a heat dissipation plate for dissipating heat from the thermal head 1, increasing thermal responsiveness, and improving printing quality, and is held together with the thermal head 1 by a head holder 1b. The head holder 1b engages with the spatula press plate 1e via the head holder shaft 1d, and the thermal head 1
and heat dissipation vL1c are rotatable in the direction of arrow E around the head holder shaft 1d. The head pressing plate 1e is biased with a pressing force against the printing surface 60 by the head pressing spring 11, and is rotatable in the direction indicated by the arrow around the Hept pressing shaft 11a. The head pressing spring 11 is engaged with a portion 20b of the frame 20. The rotational displacement of the thermal head 1 in the E direction and the rotation in the D'' direction are restricted to a constant position by a stopper part 1f provided on the head holder 1b and a stopper part 20c of the frame 20.30
is a lipo/cover that also serves as a guide for the thermal lipo/3 and the thermal ribbon outlet 40c and inlet 40d of the ribbon cassette 40.
It is pivoted on. The slide plate 35 includes guide portions 20e, 2Of, and 20g provided on the frame 20, a guide bin 36 attached to the frame 20, and the slide plate 3.
It is guided and guided so that it can slide in the direction of the arrow F following the printing surface eO by the slide regulation hole 〇5b provided in the guide pin 3B and is biased by the spring 21 in the direction of the printing surface 60 It is regulated to a fixed position by the slide regulation hole 36b. The ribbon cassette 40 is attached to the positioning parts 20J and 20k provided on the frame 20 by the snap fit part 40a. It can be attached and detached with one touch in the direction □. 3b is the wound Su-Maru Ribbon 3 on the ribbon cassette core 42b, and 3λ is the unused Su-Maru Ribbon 3, which is wound around the 42 sections of the ribbon cassette core and stored in the ribbon cassette 40. The ribbon 3 is stretched through the cassette arm portion 40e so that there is no slack.

The ribbon cassette core 42b receives a winding force from the ribbon winding flap 78, and the ribbon cassette core 42a engages with the core 12 to apply a braking force such as a brake or tension to prevent loosening of the thermal ribbon 3 on the ribbon supply side. is transmitted through a structure (not shown). 80 is a connection such as an FPC for connecting the thermal head 1 and the photo ink printer 5 to a printer drive control circuit. 31 is a ribbon cover 30 which is located between the thermal ribbon 3 and the printing surface BO in a certain rear vicinity of the thermal head 1 and is rotatable.
It is a roller that is detachably attached to the printer and is used to immediately peel off the thermal ribbon 3 from the printing surface 60 immediately after printing by the thermal head 1. ' The ribbon cover 30 and the slide plate 36 will be explained in more detail with reference to FIGS. 15-117. The holes 30c are located on both sides, and the holes 80e, 30f, and 30g are protrusions of degrees inside the cassette position regulating holes that engage with the outlet 40c and inlet 40d of the thermal ribbon 3 at the tip of the lipo/cassette 40, respectively. 30e and 30g.
A ribbon position regulating agent is placed inside the lipo/cover 30 and is arranged so as to regulate the position between the paths of the ribbon. The ribbon cover 30 and the slide cover 36 are assembled as shown in FIG. 17 by pushing the stop pins 32 into the stop holes 30a and rotation holes 35&. Stop pin 3
2 is rotatable in the rotation hole 35, so the Lipo 7 cover 30 can be opened and closed with respect to the slide plate 35, and when assembled to the frame, the ribbon cover 30 can be rotated at a certain level depending on the frame. It is regulated so that sand can be thrown at an angle. When the ribbon cover 30 is closed with respect to the slide plate 35, the snap-fit F portion 30d of the ribbon cover 30 engages with the positioning groove 35d of the slide plate 35, and the ribbon cover 30 is closed. Therefore, it can be freely opened and closed using the snap fit portion 30d. The slide guide means shown in FIG.
The guide pin 36 is inserted into the area of the slide guide means formed by the Y portions 20e, 2Of, and 20g, and the guide pin 36 is attached to the guide pin hole 20h of the frame 20 through the slide regulation hole 35b of the slide plate 35. The spring 21 is connected to the stop end 35c of the slide plate 35 and the stop end 2 of the frame 20.
01, the pressure is applied in the direction of the printing surface 80, that is, in the direction of arrow F' in FIG. 23, and the slide regulating hole $
5b, it is regulated to a fixed position. Therefore, the ribbon cover 30 is provided so as to press down the printing surface 60 and at the same time protect the thermal head 1 and guide the running of the nurse ribbon 3.

(Operation) FIG. 8 is an external view of an example of use of an embodiment of the manual printer according to the present invention, in which case 6o is held with hand 70 or the like and pressing force is applied to printing surface 6o in the direction of arrow P. By moving in the direction of arrow B, the drive roller 2 rotates due to friction with the printing surface eO, and in synchronization with the printing synchronization signal from the photo F interrupter 6, the printed characters 82 based on data are transferred to the printing surface BO by the thermal head 1. will be printed on.

7 to 12 are schematic diagrams of an embodiment of the manual printer according to the present invention, and show that when no pressing force is applied to the printing surface 80 by hand 70 on the case 50, the drive roller 2, the support roller 9, The positional relationship between the thermal ribbon 3 and the thermal head 1 is as shown in Fig. stopper 1
It is set at a distance h from the printing surface 60'' by f.Furthermore, the positional relationship when pressure is applied by hand 70 is as shown in FIG.

Due to the pressing force of the hand 70, the driving roller is smoothly displaced in the direction of arrow A' on the opposite side facing the printing surface θ0, and after the driving roller 2 is firmly pressed against the printing surface 60, the thermal head 1 is further moved in the direction of arrow A'. It is displaced in the D' direction, and the head pressing spring 11 applies a pressing force in the direction of the arrow D# force, so that h≦0 and printing is possible. Due to the action of the pressing force, the seventh
There is a smooth transition from the state shown in the figure to the prone state shown in FIG. 8, and the printer becomes ready to print. Therefore, in the series of operations from FIG. 7 to FIG. The thermal head 1 becomes ready for printing. Therefore, the driving force obtained by the friction between the driving roller 2 and the printing surface θO exceeds the required minimum driving force by the driving roller 2 at the moment when the driving roller 2 is pressed against the printing surface 60 and starts moving. All you have to do is set it to apply pressure.

In the conventional example, h is 0 or negative, so the drive roller cannot rotate reliably as described above, printing is performed without ensuring printing and winding, and the thermal ribbon 8 Needless to say, the particles flying out of the printer caused smeared prints, reduced print quality, and inoperability, and there were 7 major defects.

Therefore, according to the present invention, it is clear that these conventional major drawbacks can be solved all at once as explained above.

FIG. 9 is a schematic perspective view of FIGS. 7 and 8 viewed three-dimensionally. When the thermal lipo/8 is on the passage, the passing portion is released in a concave shape, and at the same time the thermal ribbon 3 is guided in the concave portion. This is an example.

If the passing portion of the thermal ribbon 3 is not allowed to escape and remains cylindrical, the ink of the thermal ribbon 8 will adhere to the printing surface due to the pressing force and become dirty, especially when the ink of the thermal ribbon 3 is removed by the thermal head 1. Since the area around the dislocated part on the printing surface 60 is unstable, the driving roller 2 is moved again.
When the ink is pressed against the printing surface θ0 by the printing surface 60, the unstable portion of the ink is transferred to the printing surface 60 in a ghost state, causing stains. However, if it is not on the path of the thermal ribbon 80, this is not the case, and it may remain cylindrical.

FIG. 10 shows a frame 200 of the roller shaft 2b corresponding to the movement of the drive roller 2 in FIG. 7 and FIG. 11 in FIG.
It is a partial detailed view of the guide groove 20d, and corresponds to the arrow A direction and the arrow A' direction, respectively.

FIG. 12 shows a basic conceptual diagram of an embodiment of a manual printer according to the present invention, and the concept of directions of arrows A and A' is the same as that of FIGS. 7 and 8. In this figure, the basic point is that the position of the thermal head is
The question is whether or not the print surface 60 protrudes toward the printing surface 60 with respect to the tangent between the support roller 9 and the support roller 9. The thermal head 1 is in the standard position. When no pressing force is applied to the printer, drive roller 2
It is always located inside the tangent to W1, and when a pressing force is applied to the printer, the driving roller 2 moves to 2' due to the printing surface 60', and the thermal head 1 moves to the 1' position W1. . This ensures that the drive roller 2 is always pressed against the printing surface 60 first, and furthermore, when the drive roller is at position 2', it is possible to guarantee the pressing force due to the movement of the thermal head 1' from the printing surface 60'. It is. Therefore, as an embodiment according to the present invention, the drive roller has been explained by displacing it, but as shown in FIG. The support roller is 9' due to the surface 80'.
It is clear that the same effect can be produced even if structures corresponding to the above-mentioned drive roller and support cooler are reversely provided so as to displace the roller to the position shown in FIG.

18 to 24 are schematic diagrams of an embodiment of the manual printer according to the present invention, and FIG. 18 is a schematic diagram of an embodiment of the manual printer according to the present invention. , Fig. 19 shows the pressing force P
As a result, F# acts and the ribbon cover 30 is moved to the drive roller 2.
This is a state in which the tangent between the support roller 9 and the printing surface 60 are pressed and coincide with each other. In the gta diagram, the position regulating guide section of the ribbon cover 30 has little engagement with the multi-purpose ribbon 8 (almost in a free state).

In FIG. 18, the thermal ribbon 3 is stretched in a printable state with a pressing force applied thereto, and the thermal ribbon 31 and cassette ribbons 40c and 40d are guided to all of the position regulating guide parts of the ribbon cover 30. The engagement is complete, and there is no misalignment or sagging with the thermal head 1.
This makes it difficult for jams to occur. Also,
The printing surface 60 is completely covered by the printing surface 60 side of the ribbon cover 30.
is subjected to the pressing force of F#, and the lifting and wrinkles of the printing paper are pushed back and corrected, so that the thermal head 1 and the thermal ribbon can be brought into close contact with the printing surface 60, and the printing quality is improved. FIG. 20 is a schematic diagram of a partial guidance state of one embodiment of the guidance state of the thermal ribbon 3 by the ribbon position regulation guide portion 30e and 901 Bog of the ribbon cover 30, and shows a state in which the thermal ribbon 8 is guided inside the concave shape. .

See you 24th! The printed surface 6 of the ribbon cover 30 in
0 is provided with concave non-contact parts 30h and 301 corresponding to the area through which the printed character 62 passes, to avoid peeling of the ink of the printed character 82 due to contact with the printed character θ2, and to achieve a good result. It is designed so that printing quality can be obtained, and its detailed state is shown in FIGS. 21 and 22.

In addition, in FIG. 24, since the ribbon cover 30 has an openable and closable structure as described above in the embodiment, when removing the ribbon cassette 40, move the ribbon cover 80 along the arrow G.
The ribbon cassette 40 can be taken out in the direction of the arrow H, and when loading the ribbon, the ribbon cover 30 is opened in the direction of the arrow G, the ribbon cassette 40 is installed in the direction of the arrow H', and then the ribbon cover 30 is removed. In this way, the ribbon cassette 40 can be attached to and removed from the product by guiding the ribbon cover 30 so that it can be opened and closed.

Further, since the roller a1 is located near the rear of the thermal head 1, the ink of the thermal ribbon 3 is applied to the printing surface 80 in order to pull the thermal ribbon 3 away from the printing surface 60 after a certain cooling time immediately after printing. After melting and transposition, the ink solidifies and is then peeled off, so that the ink can be easily removed and there is no possibility of reverse transposition to the thermal ribbon 3. Furthermore, since the thermal ribbon 8 is rotatably attached to the ribbon cover 30, unstable ink and unwelded ink residue after printing on the thermal ribbon 8 are not retained. Furthermore, when the printer is lifted directly upward during printing, the thermal ribbon 3 and the printing surface 60 are bonded via ink.
The 0 winding side is forcibly pulled by the roller 31 due to the frictional force and the supply side by the braking force, so that the thermal ribbon 3 does not erect or flow out.

Further, FIGS. 25 to 32 show schematic diagrams of other embodiments of the present invention, and these are all other embodiments in which the support roller 9 in the previous embodiment is deleted. It is clear that by applying pressing force perpendicularly to the printing surface 60 by hand 70, printing can be performed by the same operation even without the support roller 9, and the same effect can be produced.

14 is a guide roller for the thermal ribbon, and all other like numbers indicate the same thing.

According to the detailed description of the present invention, before manually scanning the printer, that is, when no pressing force is applied to the printer,
By positioning the drive a-ra with each stopper so that it always protrudes toward the printing surface side compared to the thermal head, the pressing force of the printer toward the printing surface when manually scanning the printer during use can The drive roller is always pressed against the printing surface before the thermal head. Then, the drive roller pushes the drive roller to obtain the driving force necessary for driving due to friction with the printing surface, and at the moment when the drive roller slides to the opposite side of the printing surface due to the pressing force of the roller pressing means that presses the drive roller. Reliable rotational driving force can be obtained. After further pressing force is applied and the drive roller leaves the lower end of the groove shape in the direction opposite to the printing surface, the thermal head is then pressed against the printing surface via the thermal ribbon.
The minimum printing pressure necessary for printing at r4 can be obtained by the head pressing means. In this state, all conditions necessary for printing are titrated. However, manual scanning itself is unstable, and in order to ensure perfection, the driving force of the driving roller and the printing pressure of the thermal head can be increased by applying further pressing force until the driving roller reaches the top of the groove shape. This means that it can perform its functions in a stable manner. In other words, as mentioned above (by ensuring that the drive roller is always pressed before the thermal head, it is possible to generate a normal and reliable signal and to feed and wind the ribbon.
Furthermore, by pressing the drive roller to the upper end, which is the opposite side of the groove-shaped printing surface, the printing pressure of the thermal head is reliably guaranteed, and normal and reliable printing is possible. Furthermore, by adding a support roller in addition to the drive roller, manual scanning is made even more stable by receiving pressing force in two places, and furthermore, by making it possible to rotate and displace the drive roller using the support roller as a fulcrum, it becomes even smoother. This allows the drive roller to be moved.

Therefore, as an embodiment of the present invention, a structure in which the drive roller is displaced has been described, but as explained above, a structure in which the support roller is displaced also produces the same effect. Furthermore, when the thermal ribbon is passing through, the drive roller and support roller are not affected by slippage by the thermal ribbon by placing the drive roller and support roller in a shape that allows the thermal ribbon to pass through in a concave shape. The support roller can obtain a stable support function without being affected by slippage due to the thermal ribbon, and the ink on the thermal ribbon can be obtained by the pressing force when the drive roller and support roller are cylindrical. It is possible to avoid stains caused by adhesion to the printed surface.

In addition, by providing the sliding ribbon cover means with lipo/guiding means, the running of the thermal ribbon is restricted and misalignment with the thermal head, sagging, jamming, etc. are improved, and the cover means, which is a part of the ribbon guide means, can be opened and closed. This significantly improves the operability of removing the ribbon cassette. Furthermore, a roller, which is part of the ribbon guide means and is rotatably mounted near a certain printing rear side of the thermal head, pulls the thermal ribbon immediately after printing from the printing surface 11 and rotates from itself. It does not retain unstable ink and unfused ink residue, and when the printer is lifted up during printing, the thermal lipo is forcibly peeled off from the printing surface, which prevents the ribbon from sagging or flowing. can be prevented. Furthermore, by providing a concave non-contact portion corresponding to the area through which the printed image information passes on the printing surface side of the sliding ribbon cover means, the thermal ribbon printed on the printing surface is transferred.
Since the ink forming printed characters etc. is not scraped off, good printing can be obtained. Furthermore, the contact portion of the sliding ribbon cover means that presses and engages with the printing surface can push back any floating or wrinkles in the printing paper, allowing the thermal head and thermal ribbon to come into close contact with the printing surface, thereby improving printing quality. .

Although the present invention has been described above through one embodiment, it is not limited to this.

〔Effect of the invention〕

As described above, according to the present invention, it is possible to normally and reliably generate printing signals, and to feed and wind the ribbon using an extremely simple mechanism. Furthermore, there is no misalignment, sagging, protrusion, jamming, or twisting of the thermal ink ribbon from the thermal head, and furthermore, the ribbon cassette can be easily attached and detached, the pressing force on the printer body can be reduced, and the characters immediately after printing are removed. It eliminates floating and wrinkles on the printed surface without staining the surface of the printer, and without retaining ink scum.It has improved the printing quality and operability of manual thermal transfer printers, eliminating all the major drawbacks of conventional printers. It is clear that this is extremely educational and has great industrial value.

[Brief explanation of the drawing]

FIG. 1 is an external perspective view of an embodiment of a manual printer according to the present invention. FIG. 2 is an external perspective view of a ribbon cassette of an embodiment of the manual printer according to the present invention before being loaded with a vR. Figure tJ3 is a schematic front view of an embodiment/example of a manual printer according to the present invention. FIG. 11r4 is a schematic cross-sectional view of a winding portion of a thermal ribbon in an embodiment of a manual printer according to the present invention. FIG. 5 is a schematic diagram of the pressed state of the thermal head of an embodiment of the manual printer according to the present invention. FIG. 6 is a schematic front view of a ribbon cassette of an embodiment of the manual printer according to the present invention. FIG. 7 is a schematic diagram of a bind-off printing portion to which no pressing force is applied in an embodiment of the manual printer according to the present invention. FIG. 8 is a schematic diagram of a printing portion of an embodiment of the manual printer according to the present invention in a state where a pressing force is applied. FIG. 9 is a schematic perspective view of a printing portion of an embodiment of a manual printer according to the present invention. FIG. 10 is a partial detailed schematic diagram of the driving roller portion of an embodiment of the manual printer according to the present invention before operation. FIG. 11 is a detailed schematic diagram of a portion of the driving roller portion of an embodiment of the manual printer according to the present invention after operation. FIG. 12 is a basic conceptual diagram of an embodiment of a manual printer according to the present invention. FIG. 13 is a basic conceptual diagram of another embodiment of a manual printer according to the present invention. FIG. 14 is an external view of an example of use of an embodiment of the manual printer according to the present invention. FIG. 15 is a bottom perspective view of an embodiment of the manual printer according to the present invention. FIG. 16 is an external view of the assembly structure of the ribbon cover and slide plate of one embodiment of the manual printer according to the present invention. FIG. 17 is an assembled external view of the ribbon cover and slide plate of one embodiment of the manual printer according to the present invention. FIG. 18 is a detailed schematic diagram of the inside of the ribbon cover in a state where no pressing force is applied in one embodiment of the manual printer according to the present invention. FIG. 19 is a detailed schematic diagram of the inside of the ribbon cover in a state where pressing force is applied in one embodiment of the manual printer according to the present invention. FIG. 20 is a schematic diagram of a partial guide of the thermal ribbon by the ribbon cover in FIG. 18 of an embodiment of the manual printer according to the present invention. FIG. 21 is a schematic cross-sectional view of an embodiment of the manual printer according to the present invention, showing a state in which the ribbon cover and printed characters are separated from each other. FIG. 22 is a schematic perspective view of FIG. 21 of an embodiment of the manual printer according to the present invention. FIG. 23 is a schematic diagram of the operation of the ribbon cover of an embodiment of the manual printer according to the present invention. FIG. 24 is a schematic view of the ribbon cover opening/closing and the ribbon cassette attachment/detachment state of an embodiment of the manual printer according to the present invention. FIG. 25 is a schematic front view of another embodiment of the manual printer according to the present invention. ! FIG. 26 is a schematic diagram of the printing portion of another embodiment of the manual printer according to the present invention in a state where no pressing force is applied. FIG. 27 is a schematic diagram of the printing portion of another embodiment of the manual printer according to the present invention in a state where a pressing force is applied. FIG. 28 is a schematic perspective view of the printing portion of another embodiment of the manual printer according to the present invention. FIG. 28 is a basic conceptual diagram of another embodiment of a manual printer according to the present invention. FIG. 30 is a detailed schematic diagram of the inside of the ribbon cover in a state where no pressing force is applied in another embodiment of the manual printer according to the present invention. FIG. 31 is a detailed schematic diagram of the inside of the ribbon cover in another embodiment of the manual printer according to the present invention, with the press force applied to the bind-off stitch. 32. FIG. 32 is a schematic diagram of partially guiding the thermal ribbon by the ribono cover in FIG. 31 of another embodiment of the manual printer according to the present invention. 1...Thermal head 2...Drive roller 3...Thermal ribbon 5...Photo interrupter 6...Horizontal plate 8...Ribbon winding core 8...Support roller 10...Roller presser Spring 11...Head pressure spring 20...Frame 30...Ribbon cover 31...Roller 35...Slide plate 40...Ribbon cassette 60...Case 80...Printing surface 70 ...Hand 80...F.P.C. Applicant Seiko Epson Co., Ltd. Agent Patent Attorney Tsutomu Mogami and 1 other person Figure 1 Figure 5 Figure 6 Figure 0d Figure 12 Figure 13rA Figure 14 Figure 15 J5 J, 2 Fig. 17 Fig. 20 Fig. 22 Fig. 24 Fig. 25 Fig. 0d Fig. 32

Claims (6)

[Claims] (1) A thermal transfer manual printer that prints image information on a printing surface by manual scanning, which has a thermal head, a ribbon guide means for guiding a thermal ribbon, and a contact portion for press-engaging with the printing surface. a slide means that engages with the cover means and engages with the slide guide means so as to be slidable opposite to the printing surface; and a pressing force is applied to the slide means to press the contact portion against the printing surface. A manual printer characterized in that it has a slide pressing means for (2) The manual printer according to item 1, wherein the ribbon guide means includes a ribbon position regulation guide section that regulates the position of the thermal ribbon with respect to the thermal head. (3) The ribbon guide means is configured to allow the cover means to open and close in a direction facing away from the thermal ribbon and the ribbon cassette when the ribbon cassette storing the thermal ribbon is attached or removed for replacement. a first member that engages with the thermal ribbon and is capable of guiding the thermal ribbon in an opening and closing manner;
Manual printer as described in section. (4) The manual printer according to item 1, wherein the ribbon guide means includes a roller rotatably mounted near a certain printing rear side of the thermal head so as to be located between the thermal ribbon and the printing surface. . (5) The manual printer according to item 1, wherein the contact portion has a concave non-contact portion corresponding to an area through which the image information printed on the printing surface passes. (6) The manual printer according to item 1, wherein the slide pressing means is a slide pressing spring member.