KR20150028669A - Braille labeler with dual brail-wheel - Google Patents

Abstract

The present invention relates to a braille labeler with a dual brail-wheel comprising: an imprinting protrusion relatively rotated around a rotary shaft, wherein an unit braille code is protruding in the periphery and the circumferential surface of two rotors to combine a braille code, and to emboss the same in a braille tape; a dual wheel rotary braille wheel wherein a confirming protrusion to sense an embossed braille code by tactile sensation is arranged; a pressing means to emboss a braille code by pressing the braille code of the imprinting protrusion, which is combined by relative rotation of the dual wheel rotary braille wheel, in the braille tape at a specific location; a tape feeder to move and supply the braille tape at regular intervals between the pressing means and the imprinting protrusion; a braille confirming means to sense the braille code of the imprinting protrusion embossing the braille tape by tactile sensation at a specific location; and a labeler main body to assemble and support the pressing means and the tape feeder to be interworked and operated. According to the present invention, the braille labeler has effects of being used anytime and anywhere as the size thereof is reduced to allow visually impaired people to grip and use by using one hand as the size of a braille wheel is reduced by 1/4 by combining a braille code by dividing a dual wheel braille wheel into 8 sectors; and allowing visually impaired people to easily use the same without remembering a braille code position one by one as a braille code embossing a braille labeler is sensed by tactile sensation.

Description

{BRAILLE LABELER WITH DUAL BRAIL-WHEEL}

The present invention relates to a two-wheel braille labeling machine for a visually impaired person, and more particularly to a two-wheel braille labeling machine for embedding a consonant, a vowel, .

Braille is a character system developed for people with visual impairments. Dots are arranged in a concavo-convex form to represent characters, and they are mainly used for printing Braille books.

However, for the visually impaired, who are living in the market economy due to the improvement of living standards, braille goods information is printed on most commercial label sheets distributed in the market. In order to print braille on conventional label paper, normal people should use a dedicated braille typewriter or a braille printer installed in a specific place.

Therefore, a Braille labeling machine and a Braille printer having good mobility and accessibility have been developed and used. However, since the conventional Braille labeling machine divides one braille wheel into 64 sectors and assigns braille codes to each of the sections separately, So that the entire size of the braille label device becomes large, so that it can not be grasped with one hand.

Further, in order to use all 64 braille codes on one braille wheel, it is necessary to give them to 64 sectors and store the sector positions accurately in correspondence with braille codes. Therefore, there is a problem that a lot of efforts and time are required for the visually handicapped to use the Braille labeler with ease.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a braille labeler having a small size that can be gripped by one hand.

Another object of the present invention is to provide a braille labeler which can be easily used anytime, anywhere by the blind.

It is an object of the present invention to provide an engraving projection embossing on a braille tape by combining the braille codes by adjusting the left and right sides of the braille by rotating relative to the rotation axis, And a pressing means for pressing and embossing the combined Braille code to the braille tape at a specific position.

The two-wheeled rotary braille wheel of the present embodiment is arranged on a plane with a concentric rotation axis, and the outer ring rotating braille wheel disposed on the outer side of the concentric circle is an annular body having a circular opening, and a check projection is projected along the upper peripheral portion of the annular body And protrusions protruding from the lower circumferential portion are formed and arranged.

The inner ring rotatable braille wheel coupled to the circular opening of the outer ring rotating braille wheel is shaped like a disk which is pivotally supported to be rotatable relative to each other so as to be able to rotate relative to each other and is provided with an identification protrusion protruding along the upper periphery of the disk, And sign protrusions are protruded and arranged.

It is preferable that a detection cover for detecting an identification protrusion combined with a unit braille code is fixed to the upper end portion of the handle of the labeler body as the braille sign confirmation means for the visually impaired person by the outer side and the inner ring rotation braille wheel.

It is preferable that the sensing lid portion is provided with an opening for touching a unit braille confirmation protrusion formed by a combination of the outer side and the inner ring rotation braille wheel and the downward inclined surface is formed around the opening so that the confirmation protrusion can be easily accessed.

The two-wheeled rotary braille wheel of another embodiment is arranged vertically with an eccentric rotation shaft, and a disc-shaped outer edge portion is formed to protrude. A check protrusion is formed to protrude along the outer peripheral surface of the protrusion end portion. And the lower rotating braille wheel is axially supported by an inclined shaft which is inclined and eccentric to the rotation axis of the lower rotating braille wheel.

Another example of the two-wheel rotary braille wheel is coupled to the same rotational axis symmetrically in the left and right directions, and protrusions, which are engraved in unit braille characters, are protruded and arranged on the outer peripheral surface of the disc. And an inner wheel, which is slidably engaged with the outer surface of the inner wheel, to independently rotate the inner wheel.

The two-wheel rotary braille wheel includes power driving means and control means, and can be used in conjunction with an existing braille printer or a braille label device through the interface.

In the Braille labeling machine of the present invention described above, since the braille wheel is divided into 8 sectors and each braille code is combined, the size of the braille wheel is reduced to 1/4 so that the blind is handled with one hand You can use Braille labels anytime and anywhere. In addition, by embossing the embossed braille code on the braille label machine, the visually impaired can readily use the braille code without needing to memorize the braille code position.

1 is an assembled perspective view of a Braille labeling device according to an embodiment of the present invention;
Fig. 2 is an exploded perspective view of Fig. 1; Fig.
FIG. 3 (a) is a plan view from above of FIG. 1, and FIG. 3 (b) is a braille code table showing an example of a braille code.
Fig. 4 (a) is a standby state before braille embossing, and Fig. 4 (b) is a side sectional view showing an operating state during braille embossing.
5 is a side sectional view and bird's-eye view of a Braille labeler according to another embodiment of the present invention.
6 is a plan view of a Braille labeling device according to another embodiment of the present invention.

Hereinafter, a Braille labeler according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

(Example 1)

FIG. 1 is a perspective view of an assembled Braille labeling machine according to a preferred embodiment of the present invention. As shown in FIG. 1, a braille labeling machine includes a two-wheeled rotary braille wheel 100, And is attached and assembled to the labeler main body 300.

In the labeler main body 300, a pressing means 400 for applying a pressing force with gripping force to emboss a combined braille code on the braille tape 440 is combined. The blind person grasps the labeler main body 300 with one hand, and rotates the two-wheel rotary braille wheels 100 and 200 with the other hand to combine desired braille codes. At this time, the braille code to be combined is confirmed by touching through the opening 332 at the position where the sensing lid 330 is installed.

The label holder 430 of the pressing means 400 coupled to the main body handle 320 of the labeling machine main body 300 gripping the labeling main body 300 300 to emboss the Braille code combined with the braille tape 440.

Fig. 2 is an exploded perspective view of Fig. 1, in which outer and inner ring rotating braille wheels 100 and 200 that combine braille codes correspond to two columns of unit braille codes composed of two rows and three rows, , And 200, three sets of points are formed, and the engraved projections 120 and 220 protruding from the circumference at equal radial intervals correspond to three rows. Therefore, the braille code consisting of two rows and three rows is formed by combining the outer ring rotating braille wheel 100 and the inner wheel rotating braille wheel 200. [

In general, a braille character consists of six points, and these points are arranged in two rows and three rows. Each point is distinguished by convex embossing, and since there are two possible cases for each of the six points arranged in 2 rows and 3 rows, 2 ⁶ = 64 Braille codes can be combined.

In order to combine Korean Standard Braille codes, it is sufficient to combine eight three-point braille codes with the protrusions 120 and 220 of the outer ring rotating braille wheel 100 and the inner wheel rotating braille wheel 200, In order to do this, at least 8 three-line braille characters can be placed.

The outer ring rotating braille wheel 100 is an annular body formed with an inner circular opening portion 142 and includes a handle 130 formed on the outer peripheral surface of the annular body, engraved projections 120 and 220 formed on and under the circumferential surface of the annular body, The protrusions 110 and 210 are protruded. Although the engraved projections 120 and 220 are hidden by the confirmation projections 110 and 210, the braille characters are symmetrically protruded from the bottom surfaces of the confirmation projections 120 and 220. [

3 (a) is a plan view of the two-wheel braille label device of this embodiment as viewed from above. As shown in the figure, the inner ring rotating braille wheel 200 and the outer ring rotating braille wheel 100 are rotatably coupled to a concentric axis And confirmation projections 110 and 210 are formed on the upper surfaces of the respective rotary braille wheels 100 and 200, respectively. In the drawing, for example, a dot denoted by black indicates protruded protrusion, and a dot denoted as colorless means a protruding height is lower than a black dot.

3 (b) shows an example of the braille code. For example, when only the leftmost dot of the first column among the dots corresponding to the second row and third row of the inner ring rotating braille wheel 200 protrudes, . As described above, the rotary braille wheels 100 and 200 can be rotated and combined to express the initials, consonants, vowels, numbers, and the like of the Korean language.

Therefore, the confirmation protrusions 110 and 210 combined with the opening 332 of the sensing lid 330 in FIG. 3 (a) represent the Korean alphabet letter "A" , 210) can be confirmed by touching the finger tip.

The inner ring rotating braille wheel 200 is mounted on the inner side surface of the circular opening 142 formed in the outer ring rotating braille wheel 100 so as to be rotatable.

The inner ring rotating braille wheel 200 that is seated at the edge of the circular opening 142 of the outer ring rotating braille wheel 100 is provided with the check protrusions 110 and 210 and the engaging protrusions 120 and 220 Radially. A hollow shaft 240 protrudes from the center of the disk of the inner ring rotating braille wheel 200 and is provided with a rotary knob 210 which is extended outwardly at the upper end of the hollow shaft 240.

It is preferable that the outer surface of the rotary knob 210 is formed with side surface irregularities in order to prevent sliding during rotation and to strengthen the gripping force. The outer surface of the inner ring rotatable braille wheel 200 is provided with a step that corresponds to the step formed in the circular opening 142 to match with the circular opening 142 of the outer ring rotating braille wheel 100.

The outer ring rotating braille wheel 100 and the inner wheel rotating braille wheel 200 are coupled to each other by the step formed on the circular opening 142 and the step formed on the outer surface of the inner ring rotating braille wheel 200 .

The outer ring rotating braille wheel 100 and the inner wheel rotating braille wheel 200 coupled to each other are positioned on the wheel seating surface 310 formed at the upper end of the labeler main body 300. At this time, since the sensing lid 330 and the front lid 340, which are integrally formed with the labeler main body 300, interfere with the engagement of the front lid 340 from the upper side in the front and rear directions of the wheel seating surface 310, 100, and 200 are inserted from the side of the wheel seating surface 310. At this time, a lubricating disk (not shown) having a central through hole 272 is formed in the upper part of the wheel seating surface 310 so that the outer ring rotating braille wheel 100 and the inner wheel rotating braille wheel 200 can rotate smoothly on the wheel seating surface 310. [ (27O) are inserted together. The lubricating disk 27O is preferably a Teflon disk having a low coefficient of friction.

The outer ring rotating braille wheel 100 and the inner wheel rotating braille wheel 200 and the lubrication disc 270 inserted into the side are inserted into the through hole 250 of the inner shaft rotating braille wheel 200 through the fixing bolts 260 And fixed to the fixing nut 312 formed at the center of the wheel seating surface 310 by screwing. As described above, the rotary braille wheels 100 and 200 coupled to the wheel seating surface 310 by the fixing bolts 260 are independently controlled by the knobs 110 and 210 integrally formed with the braille wheels 100 and 200, Relative rotation.

At the bottom of the wheel seating surface 310, a body handle 320 for holding a braille label device is integrally formed. A depressed portion 350 space is formed in the lower portion of the main body handle 320 and the wheel receiving surface 310 to receive the pressing means 400 therein.

The pressing means 400 includes a pressing member 430 gripped by a user with visual impairment and applying a gripping force to the pressing member 430, an engaging member 410 coupled to the upper end of the pressing member 430, And an extended horizontal support frame 420. The pressing means 400 is accommodated in the depressed portion 350 of the body handle 320 and is pivotally engaged by the pivot shaft 360 formed at the lower portion of the wheel receiving surface 310.

The pressing member 430 is pulled between the depressed portion 350 of the main body handle 320 of the labeler main body 300 and the back depressed portion 432 of the presser 430 and then, (370). As shown in the figure, the elastic compression member 370 is preferably a leaf spring 370 bent at the upper and lower sides, but a compression coil spring may be inserted.

The upper end of the handle 430 of the pressing means 400 is connected to the inner and outer ring rotator brackets 100 and 200 by two rows and three rows of concave and tapered recesses 120 and 220, And the horizontal supporting frame 420 is formed by extending both sides of the upper end of the upper supporting frame 420 in the forward direction.

A shaft insertion hole 422 and a shaft insertion hole 424 are formed on both sides of the horizontal support frame 420 to axially couple the tape feeder 450 for moving the braille tape 440 in a predetermined section. The tape feeder 450 is composed of a feeding roll 452 having a through hole at its center and a backup roll 454 for supporting the feeding roll 452. The through holes formed in the respective feed rollers 452a and 454a and the shaft rod 452b and 454b are inserted and axially coupled to the shaft insertion hole 422 and the shaft insertion hole 424 of the horizontal support frame 420. [

The through hole formed in the feeding roll 452 and the sleeve 452a inserted into the through hole, the shaft 452b inserted into the sleeve 452a and the shaft insertion hole 422 into which the shaft 452b is shaft- Do not rotate so as to have an elliptical or elliptical cross-section. To prevent rotation, the feeding roll 452 moves the braille tape 440 by friction contact. However, in addition to the elliptical shape that can prevent the rotation of the shaft, it may be shaped like a key, a square, or a square cross section.

Referring to FIG. 4, a process of embossing a unit braille code made up of a combination of outer and inner ring rotating braille wheels 100 and 200 on the braille tape 440 is embossed on the braille tape 440.

4 (a) shows a waiting state for embossing the braille code by loading the braille tape 440 on the braille label machine. The presser 430 of the pressing means 400 is spaced a predetermined distance from the main body grip 320 of the labeler main body 300 by the repulsive force of the elastic compression member 370, 410 and the feeding roll 452 are also spaced apart from the surface of the braille tape 440.

The visually impaired user grasps the handles 110 and 210 of the outer and inner wheel braille wheels 100 and 200 in the horizontal direction in a state in which the main body grip 320 of the braille label machine and the pusher 430 are lightly gripped by one hand And combines the desired Braille characters at the upper portion of the engraving frame 410, that is, the braille cover 330, that is, the embossed position. At this time, the visually impaired person senses the confirmation protrusions 110 and 210 protruded under the window of the cover part 330 by finger tactile, and combines the desired braille codes.

The sensing lid 330 is provided with an opening 332 so that the visually impaired person can easily touch and feel the braille signs of the confirmation protrusions 110 and 210 to be embossed. Around the opening 332, a downward inclined surface 334 ).

The visually impaired person confirms the combination of the desired Braille code through the window of the cover part 330 and presses the pusher 430 of the pressing means 400 lightly holding it to emboss the combined Braille code on the braille tape 440. [ Is pulled toward the body handle 320 of the labeler main body 300.

4B shows a state in which the pusher 430 of the pressing means 400 is pulled toward the main body grip 320 of the labeler main body 300. As shown in the figure, The feeding roller 452 of the tape feeder 450 is rotated around the pivot shaft 360 while rotating the pusher 430 of the pressurizing means 400 pivotally attached to the braille tape 440 The braille tape 440 is pushed toward the front of the braille tape 440 a predetermined distance until the engraving frame 410 comes into contact with the lower surface of the braille tape 440.

After the engraved frame 410 is brought into contact with the lower surface of the braille tape 440 and then the presser bar 430 is further provided and the braille tape 440 is pressed by the engaging protrusions 120 and 220, And the braille code is embossed on the braille tape 440.

(Example 2)

Fig. 5 shows another embodiment of the present invention. As shown in the figure, the two-wheeled rotary braille wheel 100a, 200a combining the Braille codes are relatively inclined up and down with their respective rotation axes.

The lower rotating circular braille wheel 100a has a lower circular plate 150a protruded by an outer edge portion and an ascertainment projection 110a is formed to protrude from the projecting end portion of the lower circular plate 150a along the outer peripheral surface, A groove 130a is formed along the circumference of the inner wall formed by protruding the engraved protrusion 120a so as to be supported by the shaft support 140a and rotated about the rotation axis Y1 It is fixed as much as possible.

The upper rotary braille wheel 200a has an upper circular plate 250a which is inclined and eccentric to the rotation axis Y1 of the lower rotary braille wheel 100a. The upper circular plate 250a has a tilting axis Y2 that is inclined and rotatably fixed to an inclined axis formed at the upper end of the shaft support table 140a.

A check protrusion 210a is protruded and disposed along the outer circumferential surface of the upper circular plate 250a and a protrusion 220a protruding from the outer circumferential edge of the upper circular plate 250a is disposed. At the position where the braille tape 440 passes and is embossed, the check protrusion 210a on the side of the upper disc 250a is accommodated in the groove 130a of the lower rotating braille wheel 100a, (Refer to the red portion in FIG. 5).

At this time, identification of the braille code combined with the embossed area is performed by touching the confirmation protrusions 110a and 210a formed on the side surfaces of the two-wheeled rotary braille wheel 100a and 200a. The confirmation position is preferably formed on the opposite side symmetrical to the embossing position.

A pressurizing means 400a is coupled to the upper portion of the upper rotary braille wheel 200a and a pressurizing press 430a for pressing the center portion of the pressurizing means 400a and protrusions 120a And 220a, and a tape feeder 450a for moving the braille tape 440 is provided.

The braille tape 440 placed on the engraved projections 120a and 220a combined with the braille characters is pressed by pressing the pressing pusher 430a of the pressing means 400a while confirming the desired Braille code by the confirmation projections 110a and 210a So as to emboss the Braille code. The embossed braille code is embossed and then the pressing of the presser foot 430a is released so that the pressing means 400a and the engraved protrusions 120a and 220a are opened and the tape feeder 450a coupled to the pressing means 400a is braille The tape 440 is moved by a predetermined distance and is pushed out.

(Embodiment 3)

6 shows another embodiment of the present invention. As shown in the drawing, the difference from the above-described other embodiment is that the rotary braille wheels 100b and 200b are respectively coupled to the rotary shaft in the left- Braille codes are combined.

The rotary braille wheels 100b and 200b include inner wheels 150b and 250b having protrusions 120b and 220b formed on the circumferential surface of the rotary disc and outer wheels 160b and 160b having the protrusions 110b and 210b formed on the circumferential surface of the rotary disc, And inner wheels 150b and 250b are axially connected to each other through outer joints 180 and 280 and outer wheels 160b and 260b to rotate the inner wheels 150b and 250b.

The outer wheels 160b and 260b are extended toward the labeler main body 300b and the opposite sides of the outer wheels 160b and 260b on which the check protrusions 110b and 210b are formed are contracted and reduced.

Accordingly, the inner wheels 150b and 250b and the outer wheels 160b and 260b are inclined and the center of the inclined shaft is refracted, and the center of the refracted shaft is axially connected to the joint joints 180 and 280 having a universal joint function The inner wheels 150b and 250b are rotated by the free rotation of the outer wheels 160b and 260b to combine the desired braille codes.

The engraved frame 410b is provided at the central portion of the labeler main body 300b side to accommodate the projections of the engraved projections 120b and 220b and move the pressed projections 120b and 220b toward the engraved projections 120b and 220b by the pressing means 400b. The braille tape 440 passes between the engraved projections 120b and 220b and the engraved frame 410b.

The braille code combined with the protrusions 120b and 220b which are the engraved positions of the inner wheels 150b and 250b is a braille code of the check protrusions 110b and 210b combined with the outer wheels 160b and 260b located on the opposite side of the embossing position. Check the sign by touch.

Pressing the pressing means 400b at the embossing position by pressing the braille tape 440 placed on the projections 120b and 220b at the embossing position with the pressing means 400b to emboss the braille sign. When the braille code is embossed and then the pressing means 400b is released, the pressurizing means 400b and the engraved projections 120b and 220b are opened, and the tape feeder 450b coupled to the pressurizing means 400b, (440) by a predetermined distance.

The tape feeder 450b for moving the braille tape 440 by a predetermined distance when the pressing means 400b is released is brought into contact with the braille tape 440 so as to be brought into contact with the rotary drum (not shown) Time). Therefore, when the pressing means 400b is released, the latch gear is rotated to move the braille tape 440 by a predetermined distance.

(Example 4)

As described above, the two-wheel braille labeling machine of the present invention described in Embodiments 1 to 3 has power drive means and control means, and can be used in conjunction with an existing Braille printer or Braille labeling device through the interface device.

The power driving means is constituted by a stepping motor and a BLDC motor capable of controlling the rotation angle and position, and the rotating body of the power driving means is constituted by the two-wheeled rotary braille wheels 100, 200, 100a, 200a and 100b 210b and 210b and the engaging projections 120, 220, 120a, 220a, 120b and 220b of the first, second, However, the driving means may be directly connected to the rotation axis of the two-wheel braille labeling device of the present invention by making a separate engagement jig.

The control means is constituted by a microcomputer or a PLC (Programmable Logic Controller) composed of a storage device, an arithmetic device, an input device, an output device, a display device or the like and inputs a digital character or a digital braille code of a conventional braille printer or Braille label device And the driving means is rotated.

The interface device is interposed between the conventional braille printer or the input device of the braille label device and the control device to transmit a character signal or a braille sign signal.

100, 200, 100a, 200a, 100b, 200b: rotating braille wheel
110, 210, 110a, 210a, 110b, 210b:
120, 220, 120a, 220a, 120b, 220b:
130, 230, 130b, 230b:
300, 300a, 300b:
400, 400a, 400b: pressing means 410, 410b: engraving frame
440: braille tape 450, 450a, 450b: tape feeder
142: circular opening portion 130a: groove
140a: shaft support
150a: lower original plate 250a: upper original plate
150b: inner wheel 250b: outer wheel
180, 280: connection joint
240: hollow shaft 250:
260: Fixing bolt 270: Lubricating disc
272: center through hole
310: Wheel seat surface 312: Fixing nut
320: Body handle 330: Sensing lid
332: opening 334: downward slope
340: front cover part 350: depression part
360: revolving shaft 370: elastic compression member
420: horizontal supporting frame 422: shaft insertion hole (feeding roll)
424: Axial through hole 430, 430a:
432: Depression portion 452: Feeding roll
452a: sleeve 452b: shaft
454: backup roll 454a: sleeve
454b: shaft
Y1: Upper rotational axis Y2: Lower rotational axis

Claims (6)

The rotary body according to any one of claims 1 to 3, further comprising two rotatable bodies each of which rotates in a concentric circle around a rotary shaft to combine braille characters, wherein a unit braille code is protrudingly formed on the lower surface of each of the rotary bodies to emboss the braille tape, A two-wheeled rotary braille wheel in which a check protrusion for sensing a braille code embossed in a tactile sense is disposed,
A pressing means for pressing and embossing the braille sign of the engraved projections combined with the relative rotation of the two-wheeled rotary braille wheel to the braille tape at a specific position,
A tape feeder for moving and feeding a braille tape between the pressing means and the engraved projections at regular intervals,
Braille identification means for sensing the braille sign of the engraved projections embossed on the braille tape by touching at a specific position of the two-wheeled rotary braille wheel;
And a labeler main body for assembling and supporting the two-wheel rotary braille wheel, the pressurizing means, and the tape feeder so as to operate in cooperation with each other.
The method according to claim 1,
Wherein the two-wheeled rotary braille wheel is an annular body having a concentric circular rotation axis and a circular opening portion at a central portion thereof, wherein an identification protrusion is protruded and arranged along an upper peripheral portion of the annular body, An outer ring rotatable braille wheel disposed so as to protrude therefrom,
The bracket is rotatably supported by the opening of the outer ring rotatable braille wheel and is pivotally supported. A check protrusion is protruded and arranged along an upper peripheral edge of the disc, and a protrusion having a braille sign is formed along the lower peripheral edge A two-wheel braille labeler comprising an arranged inner ring rotating braille wheel.
The method according to claim 1,
Wherein the braille confirmation means comprises a sensing lid portion and the sensing lid number is provided with an opening capable of touching the projection having the unit braille angle formed by a combination of the outer side and the inner ring rotation braille wheel, Wherein the braille labeling machine is a two-wheel braille labeling machine.
A lower rotary braille wheel disposed vertically with respective rotary shafts and provided with an identification protrusion protruding along the outer peripheral surface thereof,
The braille wheel is pivotally supported by an inclined shaft which is inclined and decentered with respect to a rotation axis of the lower rotatable braille wheel and is coupled to the inner opening formed in the lower rotatable braille wheel so as to rotate eccentrically. Braille label machine comprising an upper rotating braille wheel in which protruding check protrusions are formed to protrude and projections are formed along the circumference of the outer edge of the disc.
The first and second engraved rotatable braille wheels are coupled to the same rotational axis symmetrically on the left and right sides, protrusions protruding from the outer circumferential surface of each braille symbol protrude from the outer circumferential surface, and,
A first and a second confirmation rotation which are inclinedly coupled to outer surfaces of the first and second imprinting rotary braille wheels to independently rotate the first and second imprinting rotary braille wheels, A two-wheel braille labeler with a braille wheel.
In the above-mentioned Claim 1 and Claim 4,
Wherein the two-wheeled rotary braille wheel is provided with power drive means and control means, and is used in conjunction with a braille printer or a braille label device through an interface.

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