CN102015316A

CN102015316A - Braille writer

Info

Publication number: CN102015316A
Application number: CN2008801290165A
Authority: CN
Inventors: 大卫·S·摩根; 大卫·A·卡哈特; 斯坦尼斯拉夫·德米特里耶夫; 比约恩·詹姆斯·冈德森; 索纳·帕塔蒂亚; 琳达·普利克; 莉萨·A·扬兹
Original assignee: Perkins School for Blind
Current assignee: Perkins School for Blind
Priority date: 2008-05-05
Filing date: 2008-10-16
Publication date: 2011-04-13
Also published as: GB201018299D0; WO2009136961A1; BRPI0822681A2; GB2475154A; AU2008355961A1; DE112008003838T5

Abstract

Mechanical braille writer. The braille writer includes a chassis supporting a plurality of finger operated keys with each key mechanically interconnected with an embossing mechanism so that depression of a key causes a corresponding one of a plurality of pins in the embossing mechanism to extend outwardly from the embossing mechanism to create a raised dot on paper adjacent to the embossing mechanism. The embossing mechanism comprises a block adapted for slidingly guiding the plurality of pins for paper contact. It is preferred that each one of the plurality of pins is straight and identical to the other pins.

Description

Braille writer

The related application cross reference

The request of the application's case is to filing an application on May 5th, 2008 and title is the non-temporary patent application case the 12/115th of the U.S. of " Braille writer (BrailleWriter) ", No. 044 and file an application and title is U.S.'s design application case the 29/317th of " Braille writer (Braille Writer) " on May 5th, 2008, No. 681 priority, described two application cases all are incorporated herein with way of reference.

Technical field

The present invention relates to a kind of Braille writer and more particularly relate to a kind of improved mechanical Braille writer that impresses mechanism that has.

Background technology

Braille was invented before more than 175 years, with the system that provides the blind person to can be used to read and write.Braille is the system of the point of the projection that reads very apace of available finger.At first, each that use that clipboard and writing pencil penetrate in the point in the braille letters one at a time with hand is write braille.This process is quite slow.

Before more than 150 year, the inventor begins to make in order to quicken the machine of writing process.Most of machine be not very durable and some of them very expensive.In 1892, Frank's Hall (Frank Hall) was invented a kind of Braille writer that is different from other Braille writer, was that it is similar to typewriter but has six keys, and key is used for each in the point of a braille unit.

In the time of first three branch in 20th century, the assignee of present application for patent---the Kieren Perkins school for the blind has made the Braille writer of the machine that is very similar to Frank's Hall.In nineteen fifty-one, Kieren Perkins has been introduced the new Braille writer among a kind of Fig. 1 of being shown in, and described new Braille writer is thought the best Braille writer once developed by many people.This Braille writer also kept producing up to today.

There is considerable other mechanical Braille writer on the market.In these mechanical Braille writers some comprise the Jot-A-Dot from Quantum's technology (Quantum Technologies); From the Erika Point of Braille's technology (Brailletech), from the Tatrapoint of Braille's technology, from the MK5 Braille writer of DTW, print the Lavendar of society (American Printing House for the Blind) and from the Mountbatten of Quantum's technology from U.S. blind person.

The purpose of this invention is to provide a kind of through upgrading and through improved Kieren Perkins braille device, it is lighter on weight, on the ergometrice through improving and comprising and manufacture simpler and more not expensive impression mechanism.

Summary of the invention

In one aspect, Braille writer of the present invention comprises the chassis of the key that supports a plurality of finger manipulations, wherein each key and impression mechanism mechanically interconnect, so that the correspondence that causes in the described a plurality of nail pins that impress in the mechanism of pressing of key stretches out to be adjacent to the described point that impresses the paper formation projection of mechanism from the described mechanism that impresses.Described impression mechanism comprises and is suitable for guiding slidably the piece of described a plurality of nail pins to contact with paper.In described a plurality of nail pin each is straight and roughly the same with other nail pin.

In a preferred embodiment, as current Braille writer, there are six keys and six nail pins.Described embodiment also comprises and wipes mechanism.In a preferred embodiment, to be installed on the front and the paper feed knob on chassis be the dish shape nut shape to the back gauge mark post.

Braille writer of the present invention significantly is lighter than previous Kieren Perkins Braille writer on weight.Braille writer of the present invention is meticulousr and make and assemble more not expensive on the ergometrice.

Description of drawings

Fig. 1 is the perspective view of prior art Kieren Perkins Braille writer.

Fig. 2 is the decomposition diagram of employed prior art impression mechanism in the Braille writer of Fig. 1.

Fig. 3 is the perspective view of Braille writer according to an embodiment of the invention.

Fig. 4 is the back perspective view of the embodiment of the invention disclosed herein.

Fig. 5 is the decomposition diagram that impresses mechanism according to an embodiment of the invention.

Fig. 6 is the perspective view of the embodiment of the invention disclosed herein under the situation that shade is removed.

Fig. 7 is the plane of the embodiment of the invention shown in Fig. 6 under the situation that shade is removed.

Fig. 8 is the upward view of the embodiment of the invention shown in Fig. 7.

The specific embodiment

At first with reference to Fig. 1, prior art machinery Braille writer 10 comprises six keys 12 to 22, and wherein each control one impression nail pin is to be used for making the point of projection on paper.Spacer bar 24 forms in delegation's braille sign indicating number at interval.Also together provide line-spacing device 26 and backspace device 28 with handle 30.Paper discharges 34 controls by paper feeding knob 32 and paper.At last, provide carrier return lever 36 so that impression mechanism turns back to the beginning of delegation.

As be understood by those skilled in the art that mechanical Braille writer 10 comprises removable impression mechanism or the carriage sub-assembly that is shown among Fig. 2.This prior art impression mechanism 40 comprises that each six of being installed in its own piece follows closely pins 42 to 52.As in Fig. 2 as seen, the nail pin 42 to 52 be not straight and differ from one another.Because nail pin 42 to 52 has different shapes, therefore making described sub-assembly needs hand tooled finish.Described nail pin design also need be carried out careful adjustment and tuning during assembling process.Be understood by those skilled in the art that, when press key 12 in 22 one the time, the correspondence of nail in the pin 42 to 52 will extend and the paper (not shown) in Braille writer 10 in form protruding point.

To Fig. 5, the embodiment 60 of new Kieren Perkins Braille writer comprises impression key 62 to 72, line-spacing key 74 and backspace key 76 referring now to Fig. 3.Notice that back

gauge mark post

78 and 80 in the front of Braille writer 60 and unlike the situation of the prior art Braille writer shown in Fig. 1 overleaf.This embodiment also comprises the paper feed knob 82 and 84 of " dish shape nut shape " configuration with the grasping of being easy to.This embodiment also comprises paper release lever 86 and 88.This embodiment also comprises impression mechanism or carriage sub-assembly 90.The anterior part 91 (Fig. 3) of Braille writer 60 is as integral handle.With reference to Fig. 4, removable panel 93 is used as the monoblock type paper tray, touches and read plate and alignment surface.Fig. 7 display paper drum sub-assembly.

To impression mechanism or carriage sub-assembly 90 be described in more detail in conjunction with Fig. 5 now.Mechanism 90 comprises the array 92 of six nail pins that guided slidably by structure 94.Notice that the nail pin in the described nail pin array 92 is straight and mutually the same.Compare with the prior art nail pin 42 to 52 with different non-straight shape shown in Fig. 2, the straight nail pin 92 in the present embodiment is easier to assembling and adjusts.

Still, now the bracket head relieving mechanism will be described with reference to Fig. 5.Button 100 can be pushed downwards on the beam 102.Beam 102 is subsequently by the line 106 lift unit spacer sub-assemblies 104 of buckle.Therefore, push button 100 and cause, thereby discharge carriage away from ratch lift unit spacer sub-assembly 104.

In operation, the user presses impression one in key 62 to 72, its cause correspondence in the nail pin in the array 92 extend in case on the paper (not shown) of passing through between the surface of impression mechanism 90 point of stamping and crowing.After forming a letter, the user activates space bar 92 to prepare next letter of impression.

Fig. 6, Fig. 7 and Fig. 8 are the profile of Braille writer disclosed herein, and it is mechanically interconnected that its Display Realization impresses.

Braille writer 60 disclosed herein significantly is lighter than the Braille writer before it.New Braille writer 60 is also more convenient on the ergometrice, is back

gauge mark post

78 and 80 fronts at machine.Because unique carriage disclosed herein or impression mechanism, it assembles easier and more not expensive.

It should be understood that the those skilled in the art will be easy to draw modification of the present invention and version, and in all set scope that is included in appended claims of all these type of modifications and version.

Claims

1. Braille writer, it comprises:

The chassis, it supports the key of a plurality of finger manipulations, each key and impression mechanism mechanically interconnect, so that the correspondence that causes in the described a plurality of nail pins that impress in the mechanism of pressing of key stretches out to be adjacent to the described point that impresses the paper formation projection of mechanism from the described mechanism that impresses;

Wherein said impression mechanism comprises and is suitable for guiding slidably the piece of described a plurality of nail pins to contact with paper; And

In wherein said a plurality of nail pin each is straight and identical with other nail pin.

2. Braille writer according to claim 1, it comprises six keys and six nail pins.

3. Braille writer according to claim 1, it further comprises wipes mechanism.

4. Braille writer according to claim 1, it further comprises the back gauge mark post of the front that is installed on described chassis.

5. Braille writer according to claim 1, it further comprises the paper feed knob of wing nut shape.

6. Braille writer according to claim 1, it comprises that further bracket head discharges and gigback.

7. Braille writer according to claim 1, it further comprises integral handle.

8. Braille writer according to claim 1, it further comprises the monoblock type paper tray, touches and read plate and alignment surface.

9. Braille writer according to claim 1, it further comprises paper drum sub-assembly.