US1632274A - Electric transmitter for use in automatic telegraphy - Google Patents

Electric transmitter for use in automatic telegraphy Download PDF

Info

Publication number
US1632274A
US1632274A US571262A US57126222A US1632274A US 1632274 A US1632274 A US 1632274A US 571262 A US571262 A US 571262A US 57126222 A US57126222 A US 57126222A US 1632274 A US1632274 A US 1632274A
Authority
US
United States
Prior art keywords
contacts
levers
plate
carried
transmitter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US571262A
Other languages
English (en)
Inventor
Creed Frederick George
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of US1632274A publication Critical patent/US1632274A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L15/00—Apparatus or local circuits for transmitting or receiving dot-and-dash codes, e.g. Morse code
    • H04L15/04—Apparatus or circuits at the transmitting end
    • H04L15/18—Automatic transmitters, e.g. controlled by perforated tape

Definitions

  • rl ⁇ his invention has reference to electric transmitters of the type used with punched tape in automatic telegraphy for transmitting electric signals according to the lVheatstone, Morse or other system and it has for its object to simplify and facilitate the construction and improve the working of such transmitters and to avoid any need for adjustment of parts thereof after they have been made and set up for use.
  • the spring controlled bell crank levers carrying the peckers carry movable contacts arranged directly to co-act in alternate order with stationary contacts for connection with the transmit-ting circuit.
  • Such stationary contacts may advantageously be arranged between and co-axial with the movable contacts.
  • the feed wheel is formed with two parallel annular grooves against the inner ends or bottoms of which the pecl:- ers are caused constantly to bear by springs.
  • the spring controlled bell crank levers carrying ⁇ the peckers and movable contacts, the stationary contacts, the rocker beam for operating the levers, the driving spindle, the tape feed wheel, the jockey pulley for use therewith and the gearing between the driving spindle and feed wheel, used in ⁇ electric transmitters of thc kind referred to, are mounted on a vertical supporting plate to form a unit adapted to be inserted in a ⁇ supportingl frame or standard provided with a base or footpiece.
  • the driving ⁇ spindle of the transmitter may advantageously be driven from an electric motor through variable speed gear of the friction type comprising tivo friction discs arranged at right angles to one another and one of which is adapted to be traversed in a radial direction across the face of the other.
  • Fig. 1 is a. front elevation
  • Fig. 2 a central vertical section on the line H-II of Fig. l
  • Fig. 3 a rear .elevation of an electric transmitter constructed according to the invention.
  • Fig. l is a detail view to a r larger scale.
  • Fig. 5 is a diagram.
  • Figs. 6 and 7 are respectively front and side eleva tions and Fig. 8 a plan, showing the electric transmitter combined with a motor to form a complete transmitting unit.
  • Fig. 9 is a detail view.
  • a and o are the spring controlled bell Vcrank levers carrying the peclters c and Z and movable contacts e and f; g the rocher beam for oscillating such bell crank levers; It the driving spindle, z' a support for fixed insulated contacts el and f1 designed to co operate with the said movable contacts c and f; m the tape feed ⁇ wheel and n the jockey pulley for retaining punched tape in position in relation to' the feed wheel, these parts being mounted at the front side of a single vertical supporting plate o that is adapted to serve as a bearing plate for the o to the rear side thereofwhiclr is provided with a casing t and cover u enclosing the rearwardly extending ends of the pivot pins and spindles and also thev gearing connectingthe driving spindle and feedwheel' spindl'e.
  • the front and rear casings r and t, except their covers, may advantageously be made integral with the vertical supporting plate
  • the combined parts are adapted to bepushed endways into and iiXed in position for use, within a supporting frame or standard w provided with a base or foot piece w1.
  • the insulated tix-ed contacts el, f1 may advantageously be connected' respectively to pins l and 2 extending. from the support there- 'of the vertical plate 0, iig of in that plate s'ujeli! through op n manner that they Will be caused to bear respectively against spring contacts carried by the traine or standard fw, when the vcrtical supporting, ⁇ plate 0 with attached parts passed endivays'into position in such traine or standard.
  • the several parts ot the transmitter described can be variously constructed.
  • Each of the movable Contact pins e iid is shown as permanently Vlived to the depending arm ot the correspondinl bell crank lever.
  • rllhe two stationary contacts el and j ttor use with the tivo movable contact pinsv e and are. constituted by horizontal screws carried by the support 'i which yconsists o't a circular block ot insulating material lixed to the front side o'tthe plate 0 and carries the tivo transverse metal pins l and 2.
  • 'ihcse pins are arranged with their axes in acoininon horizontal plane and extend through the plate 0 and bear against two independent contacts only one of which is shown in the drawing, namely at 9, inv Fig. 2.
  • the two screws constituting' the sta tionary horizontal contacts el and fl may be soreivediinto ⁇ the enlarged ends oi the tivo pins 1 and A2, so that ltheycaii be adjusted horizontally in relation to the mov-r able contacts e and j", and be lixedin the ⁇ said pinsA by elainpscrews 1252t1 passing throughV Washers bearing againstthelront of the insulating' block vi and-taking into the two pins land 2 so Ythat ivlien tightened up the cont-act screws are clamped between the Contact pin 1 or@7 andtheiinsulating block AIn the example shown, the stationary c on y tacts f1 and el are designed to be connectedV through.
  • the iiiovable contacts e may be insulated 'troni the bell crank levers and connected, as through light 'flexible wires and other coiinections to a line wire, the central portion ot the battery being connected to earth.
  • rllhe rocker beam g may, as shown, be tornied ot a metal plate fixed to the torward end oii a sul'iporting pin 12, and provided with a pair ot 'torwardljyf bent extensions or tappels (3 arranged to act alternately on the hardened pins 5 carried by the bell crank levers (i and Zi. rlhe pin 12 extends through a bearing in the vertical plate 0 and is retained in position endvrays, as by a splitI ⁇ ring.; or collai 13.
  • the said plate g is provided with an open ended inclined slot g1 (Fig.
  • rlhe toothed pinion 15 is adapted to be driven iroii'i a suitable motor, 'liorinstance an electric motor 17 (Figs. 6, 7 and S).
  • This motor may, as shownl advantageously be mounted on a corresponding bed plate 18 in such a Way that when the vertical plate 0 with associated parts is pushed into the traine or standard w, the driving spindle It ot the transmitter Will become automatically connected to a spindle 19 driven by the motor., ⁇ it may be through a. spring coupling orn shown, through a tlexible joint at 19a.
  • the spindles vvi and 19 may advantageously be driven trom ⁇ the main driving' ⁇ sha'tt 2O ot the motor through variable speed lriction gearing coinprising a friction disc 2,1 tixed on the main driving' shaft 20 and a iriction dise 22 mounted to turn with and to slide endways upon a secondary shalt 28 coupled to the spindle 19.
  • rlhe sha'l't 33 is mounted in a standard 2li on the base plate 1S and the rtriction disc 22 is arranged to be moved along.; ⁇ the said sha'i'it by the t'orled extremity ol a bar 25 carried by a nut 26 mounted on a Vscrew spindle 27, also carried by the stand ard 24, and capable ot being turned by hand but not oit movingendvvays so thatl by adjustment ot the yposition of the 'friction dise 22 in relation to the centre ot the friction disc 21, the speed oi the drivingl shalft k oi rlhis spindle extends,
  • the transmitter can he readily varied to suit requirement.
  • the adjacent ends of the spindles it and 19 may be halved to enable the one to he readily placed in driving connection with the other.
  • the motor may be arranged away from the transmitter, and its drivin-g' spindle be connected to that of the transmitter through flexible shafting.
  • regulation of thespeed of 'the transmitter may be effected by regalating ⁇ the speed of the motor and dispensing ⁇ with variable speed gear.
  • the feed wheel m is formed with two parallel annular grooves at 30 and 31 against the inner ends of which the peckers are caused constantly to bear by separate coiled springs 32 connected to them and to the vertical plate 0 at 33.
  • rlfhe vte'rooved jockey pulley n forense with the feed wheel m and peckers c and Z extends through an opening at 3ft in the adjacent casing, ⁇ s and is carried by one arm of the linger operated lever y? fixed on a spindle 36 extending through the vertical plate 0 and connected at the back of this plate to a coiled spring ⁇ 37, the lever being ⁇ adapted to be held in its operative or inoperative position at ⁇ will.
  • an automatic telegraphic transmitter of the kind comprising' a vertical support, two bell crank levers pivoted to the front side thereof and each having' a horizontal arm and a depending' arm, the two horizontal arms extending towards each other, a rotary tape feed wheel mounted at the front of said support, two upwardly extending' peckers connected respectively to the inner ends of the two horizontal arms of said levers and adapted to co-operate with perforated tape, means for depressing' the horizontal arms of said levers alternately and spring ⁇ means tending' to raise the horizontal arms of said levers and to move the depending arms ofsaid levers towards each other, the combination with the two depending' arms of the levers of two movable electric contacts carried thereby, two stationary contacts arranged between the movable contacts and carried by said support but insulated therefrom and two insulated contact pins connected to said stationary contacts, extending through said support and adapted to make electrical connection with other insulated contacts, when the transmitter is mounted in position for use.
  • ln-an automatic telcgraphic transmittor of the kind comprising a lvertical support, two bell crank levers pivoted to the front side thereof and each-having, ⁇ a horizontal arm and a depending arm, the two horizontal. arms extending; towards each other, a rotary tape feed wheel mounted at the front of said support, two upwardly extending peekers connected respectively to the inner ends of the two horizontal -arms of said levers and adapted to co-operate with perforated tape, means for depressing the horizontal arms of said levers alternately and spring'imeans tendine; to raise the horizontal arms of said levers and to move the depending arms of said levers towards each other the combination with the depending arms of saidl levers of movable electric contacts carried thereby, a block of insulating material fixed to said support, two stationary contacts carried by said block and arranged between and opposite the movable contacts and two pins connected to the respective stationary contacts, carried by said block, extending through said support and adapted to make electrical connection with other insulated contacts when the transmitter
  • An automatic telegraphic transmitter of the type herein referred to comprising a vertical support, a pair of spring' controlled bell-crank levers pivoted thereto and arranged to move in the same vertical plane, a rocker beam for depressing said levers in alternate order against the action of their spring controlling means, said beam being pivoted to said support and having' a slot therein, a rotary driving' spindle carried by said support, an eccentrically arranged pin carried by one end of said spindle and a slide block connected to said pin and arranged to work in the slot in said beam, for the purpose set forth.
  • An automatic telegraph transmitter comprising' a vertical plate having a horizontal peripheral rim, a tape feed wheel, a rotary spindle for said feed wheel, a pair of spring' controlled hell crank levers pivoted to said plate and having ⁇ depending arms, tape peckers carried by said levers and adapted to cooperate with perforated tape, means for actuating said levers in alternate order against the action of their spring controlling means, a driving shaft for actuating said lever actuating' means, nearing ⁇ between said driving' shaft and spindle, movable contacts carried by the depending' arms of said levers, stationary insulated contacts arranged between.
  • Automatic telegraph transmitting apparatus consisting ⁇ of a unit comprising a vertical support, a tape feed wheel, a rotary spindle carried by said support and connect ed to said feed wheel, a pair of spring' controlled bell crank levers, ⁇ pivoted to said support, tape pecliers carried by said levers, movable contacts carried b v said levers, stationary contacts carried by but insulated from said support and arranged between the movable contacts, means tor actuating said bell crank levers in alternate order against the action oit their sprang controlling means, a rotary driving shaft for operating ⁇ the lever actuating means, and gearing between said shaft and the tape Ywheel spindle, a standard having ⁇ an aperture in which said unit is located and in which said.
  • unit can be placed by endways movement thereof, a second drivin v shaft held against endways movement, a stationary support for such shaft, a motor and variable speed mechanism between such drivingshailft and motor, the last mentioned drivingl sha-tt and the driving' shaftt of said unit being; coaxial and having;v their adjacent ends adapted to come automatically into driving connection with one another when said unit is inserted sideways in said standard.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Toys (AREA)
US571262A 1921-08-16 1922-06-27 Electric transmitter for use in automatic telegraphy Expired - Lifetime US1632274A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1632274X 1921-08-16

Publications (1)

Publication Number Publication Date
US1632274A true US1632274A (en) 1927-06-14

Family

ID=10887301

Family Applications (1)

Application Number Title Priority Date Filing Date
US571262A Expired - Lifetime US1632274A (en) 1921-08-16 1922-06-27 Electric transmitter for use in automatic telegraphy

Country Status (3)

Country Link
US (1) US1632274A (enExample)
FR (1) FR553548A (enExample)
NL (1) NL14021C (enExample)

Also Published As

Publication number Publication date
NL14021C (enExample)
FR553548A (enExample) 1923-05-25

Similar Documents

Publication Publication Date Title
US2691081A (en) Shaft control mechanism
US1283320A (en) Telegraphic sending-machine.
US2148028A (en) Telegraphic transmitter
US1098084A (en) Automatic transmitter for telegraphic signals.
US3644689A (en) Electric signaling device for alarm clocks
US460109A (en) Telegraphic transmitting-instrum ent
US2229634A (en) Electrical tuning mechanism for radios
US1100501A (en) Electromagnetically-controlled keyboard for perforating apparatus.
US1856092A (en) Switching apparatus
US939683A (en) Telegraph-transmitter.
US577534A (en) muirhead
US1538354A (en) Electric-impulse-producing mechanism
US1841283A (en) Distant control equipment
US461297A (en) Actuating device for moving commutator-brushes
US2177683A (en) Tuner
US1343754A (en) Apparatus for teaching codes as used in telegraphy
US1311915A (en) Distributing apparatus
US261410A (en) Automatic telegraph-transmitter
US835750A (en) Automatic transmitter for telegraphic systems.
US650381A (en) Facsimile telegraph.
US1105811A (en) mcbeety
US1823221A (en) Call and dismissal apparatus
US1858511A (en) Automatic telegraph keying head
US1291124A (en) Telegraph apparatus.
US772313A (en) Electric controller