CN2199050Y

CN2199050Y - Portable braille typewriter

Info

Publication number: CN2199050Y
Application number: CN 94216466
Authority: CN
Inventors: 夏荣强
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-07-08
Filing date: 1994-07-08
Publication date: 1995-05-31
Anticipated expiration: 2004-07-08

Abstract

The utility model relates to a braille typewriter and attachments thereof, particularly the improvement of a paper clamping board. Both ends of a braille typewriter base (2) are provided with modulating screws (8). The middle upper part of a paper clamping board (3) is provided with a clamp (12) which is provided with more than two pairs of word bit nails (13) and positioning holes (14). A modulating piece (15) is arranged at the right side of the clamp (12). The paper clamping board (3) can be composed of four small strip-shaped plates. The braille typewriter can uses typing-paper with different size, particularly can type words on both faces of one piece of typing-paper. Therefore, lots of special type paper is saved. The paper clamping board (3) can be folded to cover up the body of the typewriter for easy carrying and preservation.

Description

Portable braille typewriter

The utility model relates to braille typewriter and annex thereof, especially the improvement of clip board.

Known braille typewriter, constitute fuselage by head and base, has 1 rectangular slab below the fuselage, it is the clip board of typewriter, two sides of clip board respectively have 1 shallow slot, some potholes of arranging by certain distance are arranged in shallow slot, respectively there is 1 pin nail at the typewriter base two ends, just in time inject the relative pothole in clip board both sides, typewriter be fixed on the clip board, wait to accomplish fluently 1 the row word after, the head and the base of typewriter are slightly upwards mentioned together, make pin nail leave pothole, be displaced to following 1 pothole along shallow slot again, can get according to the order of sequence so certain between square, the braille file of marshalling.1 clip that can clamp two hinge-types of typing paper is arranged above clip board, the nail that 1 weak point is respectively arranged about following of clip, respectively there is 1 circular hole position with respect to following sheet nail about last slice, treat that the typing paper top is when advancing the nail of sheet under the clip, again clip last slice is fastened on down on the sheet, circular hole also is enclosed within on the nail and with typing paper and pushes down, the operation of can typewriting.But, above-mentioned braille typewriter, especially clip board has obvious defects, and the one, on typing paper, can only typewrite by single face, can not on a piece of paper, reach two-sided typewriting; The 2nd, typewriter can only use the typing paper of a kind of specification, 8 paper of opening for example, as for example 12 paper of opening with small dimension, be difficult to then accomplish that for the blind person each row word can both beat within paper, do not accomplish that more the head of every capable word, tail two ends are neat in the paper arranged on both sides; The 3rd, the effect of clip board just is to clamp typing paper and for typewriter two aspects of dividing a word with a hyphen at the end of a line, function is limited; The 4th, clip board is a monoblock, and after finishing typing, the bad preservation of putting together of clip board and typewriter fuselage is carried also inconvenient.

The purpose of this utility model is to overcome above-mentioned weak point of the prior art and a kind of portable braille typewriter is provided, the fuselage base of this braille typewriter has the amplitude modulation screw, realized that typewriter can use the typing paper of different size, its clip board is after improving, can be on clamping typing paper and dividing a word with a hyphen at the end of a line the basis of function for typewriter, reach on a typing paper and can two-sidedly typewrite, thereby save a large amount of specialties, and clip board can be amounted to, be integrated with typewriter, be easy to carry and preserve.

The purpose of this utility model can realize by following measure: at the base two ends of braille typewriter, also can be only at the right-hand member of base, the amplitude modulation screw is set, in the middle of the clip board upper end, clip is arranged, locating pin and locating hole more than 2 pairs are arranged on the clip, there is 1 amplitude modulation sheet on right side in the clip board upper end, and clip board is made of the square platelet of 4 block lengths.

The purpose of this utility model can also realize by following measure: amplitude modulation screw and the combination of the nut above it can be clamped in the chute lid.Clip connects and composes hinge by 2 rectangular pieces up and down with hinge, and 2 pairs or the 3 pairs of locating pins and locating hole are all arranged on per therein 1.Locating pin and locating hole on every in the clip, be combined as 1 pair with 1 nail, 1 hole, and nail and hole be northwest-southeast to, or northeast-southwest is to staggered, the nail and the distance in hole for lateral separation equal 2 dot spacings of sign from half, fore-and-aft distance equal 2 dot spacings of sign from half as much again.Constitute on 2 hinges of clip, the every pair of nail and hole are corresponding on it slice and in the following sheet, the locating hole of sheet under the locating pin correspondence that promptly goes up slice, the locating pin of sheet under last slice the locating hole correspondence.The amplitude modulation sheet is inverted T-shape, and its underpart puts in the undercut of clip board, the undercut lid that has 1 centre to have vertical hole suitable for reading of undercut, and the head of amplitude modulation sheet inverted T-shape passes from this vertical hole.Clip board is made up of the square platelet of 4 block lengths, and two limits that each rectangle platelet joins are made concavo-convex, and two is passed with 1 pin respectively and is connected.

The utility model compared with prior art has following advantage: except that clip board has the typing paper of clamping and divides a word with a hyphen at the end of a line the function for typewriter, because base two ends or 1 end at typewriter are provided with the amplitude modulation screw, its effect is to limit the stroke of typewriter head, become original whole process and be short distance partly, again in conjunction with the amplitude modulation sheet of clip board upper right side, the paper of control small dimension is in the appropriate location, so just can be under situation that need not be visual, automatically reduce the number of words at two ends, every capable left and right sides, for the typing paper that uses small dimension becomes possibility.Secondly, because 2 pairs or the 3 pairs of locating pins and locating hole are respectively arranged on 2 hinges of clip, after having played the front typing paper, typing paper can be turned over, two borehole jacks that last slice location paper is got are descending on the sheet locating pin, detain hinge last slice, sign that the reverse side paper gets just in time staggered mutually with the sign in front, thereby realized the effect that a typing paper can two-sided use be saved a large amount of paper.Also, can shakeout neatly and amount to, after finishing typing because clip board is to connect and compose with the square platelet of 4 block lengths, during temporarily without typewriter, clip board can be amounted to into 1 long tetragonal body, just 4 faces surround the typewriter fuselage, and it is all extremely convenient to carry and preserve.

The drawing of the utility model accompanying drawing is described as follows:

Fig. 1 is portable braille typewriter fuselage and clip board structural plan schematic diagram;

Fig. 2 is an amplitude modulation bolt structure cutaway view;

Fig. 3 is an amplitude modulation chip architecture cutaway view;

Sign was at tow sides distribution shape figure when Fig. 4 was two-sided typewriting;

Fig. 5 is two-sided sign point position distribution instance graph;

Fig. 6 is the side view after clip board is amounted to;

Fig. 7 is that rectangle platelet two edge connectors relation is divided view in the clip board;

Fig. 8 is that the clip board structure is formed schematic diagram;

The utility model is described in further detail to enumerate embodiment below in conjunction with accompanying drawing.

As shown in Figure 1, portable braille typewriter includes head (1), base (2) and (3) 3 parts of clip board, head (1) and base (2) constitute fuselage, and respectively there are 3 buttons (4) at the two ends, the left and right sides on head (1) top, on head (1) the bottom stuck-at-piece base plate (5).Similar 1 track in base (2) both sides, during typewriting, typewriting head (1) can be gone up right-to-left at base (2) and advance, beaten return again after the delegation on the right of.Two sides respectively have 1 shallow slot (6) longitudinally about clip board (3), in shallow slot (6), be arranged with several potholes (7) by certain distance, when waiting to accomplish fluently 1 row word, with hand will typewrite head (1) and base (2)--be that fuselage is slightly upwards mentioned, make the pin nail below base (2) two ends leave pothole (7), slide in following 1 pothole (7) along chute (6), can lay delegation's braille.Two ends in typewriter base (2), also can be only at right-hand member setting amplitude modulation screw (8) as shown in Figure 2, amplitude modulation screw (8) is by 1 inverted screw (8) and the combination of the nut (9) above it, can be clamped in the vertical hole on the chute lid (10), amplitude modulation screw (8) can be in the chute (11) of base (2) move left and right, as use when typewriting is the paper of big specification, 8 typing paper of opening for example, the amplitude modulation screw (8) on the right can be moved on to the right-hand member of chute lid (10), the amplitude modulation screw (8) on the left side moves on to the right-hand member of chute lid (10), screw nut (9) then, as what use is the paper of small dimension, 12 typing paper of opening for example, then the amplitude modulation screw (8) on the right can be moved on to the left end of chute lid (10), the amplitude modulation screw (8) on the left side moves on to the right-hand member of chute lid (10), screw nut (9) then, so just can limit the haul distance of typewriting head (1), when typewriting head (1) arrives base (2) right-hand member or left end, the base plate (5) of typewriting head (1) bottom will be subjected to stopping of amplitude modulation screw (8) and stop, and reaches the paper that uses two kinds of specifications of size at least.

As shown in figures 1 and 3, in clip board (3) upper right side, the right of clip (12), 1 amplitude modulation sheet (15) is arranged, it is the thin slice that is inverted T-shape, its underpart is inserted in the top-right undercut of clip board (3) (16), the head of the word of falling T passes from undercut lid (17) slit, can move left and right, when using the typing paper of big specification, earlier amplitude modulation sheet (15) is shifted onto the right-hand member of undercut (16), then typing paper is pierced into and the right of typing paper is close to the limit of amplitude modulation sheet (15) below fuselage, clip (12) locating pin (13) of sheet is down injected in the upper end of typing paper, detain clip (12) last slice, can typewrite.When using the typing paper of small dimension, earlier amplitude modulation sheet (15) is shifted onto the left end of undercut (16), then typing paper is injected and make the right to be close to the limit of amplitude modulation sheet (15), clip (12) locating pin (13) of sheet is down injected in the upper end of typing paper, so just can guarantee the center line of the center line aligning clip board (3) of typing paper, detain clip (12) last slice, can typewrite.

Clip board as shown in Figure 1 (3), it forms 1 rectangular slab by the square platelet of 4 block lengths, 1 clip (12) is arranged in the middle of the upper end of clip board (3), clip (12) connects into 1 hinge by 2 rectangle thin slices up and down with hinge, hinge last slice and following sheet on, 2 pairs or 3 pairs of locating pins (13) and locating hole (14) are all arranged, locating pin (13) on every in clip (12) and locating hole (14) are to form 1 pair with 1 locating pin (13) and 1 locating hole (14), last slice every pair of nail, hole and orientation all should with the nail of following sheet, hole and orientation are opposite, for example descend sheet with northwest (hole)-southeast (nail) to arrangement, last slice then should with northeast (nail)-southwest (hole) to corresponding arrangement, otherwise, also can be down sheet with northeast (hole)-southwest (nail) to arrangement, last slice then should be with northwest (nail)-southeast (hole) to corresponding arrangement.The nail and the distance and bearing in hole, it is fixed to be come by the distance between 2 points of sign, the lateral separation that clip (12) is gone up nail and hole equal 2 dot spacings of sign from half, follow closely and the fore-and-aft distance in hole equal 2 dot spacings of sign from half as much again.Like this can be when getting two-sided braille, the sign of its obverse and reverse is arranged and is staggered mutually as shown in Figure 4, the symbol that get in the front is rendered as salient point (18) at reverse side, the symbol of reverse side is and is concave point (19), can be not overlapping, the unlikely recognition character that influences, Fig. 5 are examples, and content is the double-edged literal of " a kind of portable braille typewriter ".

As shown in Figure 7 and Figure 8, clip board (3) is made up of the square platelet of 4 block lengths, between each platelet on the both sides that join, make concavo-convex, after the two plate phase embeddings, two is respectively passed with pin (21) and is connected, after finishing typing, clip board (3) can be amounted to, form 1 long tetragonal body as shown in Figure 6,4 faces wrap the typewriter fuselage, are easy to carry and preserve.

When the portable braille typewriter of application carries out two-sided typewriting, operating procedure is as follows: the size according to typing paper mixes up base (2) upward two ends or the amplitude modulation screw (8) of right-hand member and the amplitude modulation sheet (15) of clip board (3) upper right side earlier, typing paper is injected and make its right be close on the limit of amplitude modulation sheet (15) below fuselage, alignd on the limit, upper end of sheet down with clip (12) in the top of typing paper simultaneously, follow typing paper by in each locating pin (13) of advancing sheet under the clip (12), detain then clip (12) last slice, at this moment a locating hole (14) of going up slice just packs into down the locating pin (13) of sheet, typing paper is pushed down, simultaneously, last slice locating pin (13) is also facing to locating hole (14) reeve of sheet down, and typing paper got 1 hole in this position, this hole is when the typing paper reverse side uses and plays the role of positioning.2 pairs or 3 pairs of locating pins (13) and locating hole (14) letterweight of will typewriting jointly gets tighter, the head (1) of will typewriting is then shifted base (2) right-hand member onto, make base plate (5) touch amplitude modulation screw (8), can typewrite from right to left, need not typewrite if any the space, then can press dead key (20), continue typewriting then, after waiting to accomplish fluently positive braille, can open clip (12) last slice, raise the paper upper end that is inserted in the locating pin (13), paper is extracted out down from fuselage, the upset typing paper be reverse side up, again with typing paper reeve below fuselage, at this moment available hand touches the hole that the typing paper upper end had been stabbed by the locating pin of clip (12) last slice (13), it is presented on must have the nail (13) that is positioned to stab the out-of-date burr that stay around this hole on the typing paper reverse side, at this moment the borehole jack of band burr can be advanced in the locating pin (13) of sheet under the clip (12), at this moment in fact just make typing paper move to the distance that the positive and negative sign staggers mutually to the direction of setting, detain clip (12) last slice, and make head (1) move on to base (2) right-hand member, can begin to carry out the typewriting operation of reverse side.

Claims

1, a kind of portable braille typewriter, comprise fuselage, base and clip board, it is characterized in that base (2) two ends at braille typewriter, also can be only at the right-hand member of base (2), amplitude modulation screw (8) is set, in the middle of clip board (3) top, clip (12) is arranged, locating pin more than 2 pairs (13) and locating hole (14) are arranged on the clip (12), there is 1 amplitude modulation sheet (15) on right side in clip board (3) upper end, and clip board (3) is made of the square platelet of 4 block lengths.

2, portable braille typewriter according to claim 1 is characterized in that amplitude modulation screw (8) and the combination of the nut (9) above it, can be clamped in the chute lid (10).

3, portable braille typewriter according to claim 1 is characterized in that clip (12) connects and composes hinge by 2 rectangular pieces up and down with hinge, 2 pairs or 3 pairs of locating pins (13) and locating hole (14) is all arranged on per therein 1.

4, according to claim 1 or 3 described portable braille typewriters, it is characterized in that locating pin (13) and locating hole (14) on every in the clip (12) are combined as 1 pair with 1 nail, 1 hole, and nail and hole be northwest-southeast to, or northeast-southwest is to staggered, the nail and the distance in hole are: lateral separation equal 2 dot spacings of sign from half, fore-and-aft distance equal 2 dot spacings of sign from half as much again.

5, portable braille typewriter according to claim 3, it is characterized in that constituting on 2 hinges of clip (12), the every pair of nail and hole are corresponding on it slice and in the following sheet, the corresponding locating hole (14) of sheet down of a locating pin (13) that promptly goes up slice, the corresponding locating pin (13) of sheet down of last slice locating hole (14).

6, portable braille typewriter according to claim 1, it is characterized in that amplitude modulation sheet (15) is inverted T-shape, its underpart puts in the undercut (16) of clip board (3), the undercut lid (17) that has 1 centre to have vertical hole suitable for reading of undercut (16), the head of amplitude modulation sheet (15) inverted T-shape passes from this vertical hole.

7, portable braille typewriter according to claim 1 is characterized in that clip board (3) is made up of the square platelet of 4 block lengths, and two limits that each rectangle platelet joins are made concavo-convex, and two is passed with 1 pin (21) respectively and is connected.