US904157A

US904157A - Combined telegraphic transmitter and type-writing machine.

Info

Publication number: US904157A
Application number: US20217704A
Authority: US
Inventors: Augustus G Snyder
Original assignee: Individual
Current assignee: Wyckoff Seamans & Benedict
Priority date: 1904-04-08
Filing date: 1904-04-08
Publication date: 1908-11-17
Anticipated expiration: 1925-11-17

Description

Ax G. SNYDEB.. COMBINED TBLEGRPHIO TRANSMITTER AND TYPE WRITING MACHINE.

APPLICATION FILED APB. 8, 1904. 904, 1 57. Patented Nov. 17, 190s.l

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COMBINED TBLEGRAIHIG TRANSMITTER AND TYPE WRITING MACHINE.

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A. G. SNYDER. COMBINED TELEGRAPHIG TRANSMITTER AND TYPE WRITING MACHINE.'-

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COMBINED TELEGRAPHIG TRANSMITTER AND TYPE WRITING MAGHINB.

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nNiTnD sTATns PATENT caricia AUGUSTUS G. SNYDER, OF ILION, NEW YORK, ASSIGNOR TO WYCKOFF, SEAMANS & BENEDICT, OF ILION, NEW YORK, A CORPORATION OF NEW YORK.

Specicaton of Letters Patent.

Fatented Nov. 17, 1908.

Application filed April 8, 1904. Serial No. 202,177.

To all whom it may concern:

Be it known that I, AUGUSTUS Gr. SNYDnR, a citizen of the United States, and resident of Ilion, in the county of Herkimer and State of New York, have invented certain new and useful Improvements in a Oombined Telegraphic Transmitter and Type- IVriting Machine, of which the following is a specification.

My invention relates to telegraphic transmitters and more. especially to such transmitters combined with writing mechanism, and the objectof my invention is to provide anl improved device of this character.

My invention consists in certain parts, improvements and combinations which will be fully set forth herein and particularly pointed out in the claims.

In the accompanying drawings, Figure 1 is a view in elevation and in section of a machine embodying my invention, the section being taken substantially on the line x-x of Fig. 2. Fig. 2 is a plan view, the typewriter casing being shown in section above the key levers, and most of the casing of the transmitting device being removed Fig. 3 is a view in vertical section on the line g/-g/ of Fig. 2. Fig. L1 is a view in vertical section of a dash pot and its connections. Fig. 5 is a perspective view of the same. Fig. 6 is a face view of a certain comb plate used in my construction." Fig. 7 is a view of a part of my transmitter mechanism in rear elevation. A Fig. 8 is a top plan view of the same. Fig. 9 is a front view of a portion of said mechanism. Fig. 10 is a view in section on the line .e-z of Fig. 7. Figs. 11 and 12 are detail views of one of the stationary contact pieces. Fig. 13 is an end view of the parts shown in Fig. 9.

I have shown my transmitter combined with a front-strike typewriting machine in such a manner that when characters are written by said typewriting machine by operating the keys thereof in the ordinary way, telegraphic signals corresponding to the characters written will be transmitted over the line automatically. The particular form of typewriting mechanism here shown is not of my invention, and for most of the purposes of my invention any other suitable typewriting mechanism might be substituted therefor.

The typewriting machine here shown has a main frame which includes a base plate 1 (Fig. 1), supported by side plates 2 and a back end piece 3 (Fig. 2), the whole forming a sort of inclosure beneath the base plate. The key levers 1 extend beneath said base plate and are pivoted on a pivot rod or wire 5, supported in a slot in the face of a frame bar 6, which is supported by brackets 7 depending from the base-plate 1. Each of the key levers has an upwardly extending arm 8, the upper end of which is notched or slotted to receive a pin 9 projecting from one side of a sub-lever 10, which is pivoted at 11 to a bar 12. The sub-levers 10 are connected by links 13 with type bars 14, which are pivotally mounted in hangers 15 so thatl the types 16 thereof are adapted to strike against the front plate of the platen 17, which is mounted upon the carriage 1S and is fed across the machine in the usual way. The key levers are returned to normal position by springs 8, one of which is connected to each of the arms 8, and to a stationary part of the machine, as shown in Fig. 1.

The transmitting apparatus is mounted in lthe partially inclosed space beneath the baseplate 1 and has a framework which includes a base-plate 19 which extends nearly from one to the other of the side frame plates 2 of the typewriting machine, but does not touch said frame plates.l The base-plate 19 rests on blocks 2O of insulating material to which it is secured by screws 21 (Fig. 2). Said blocks 20 are fastened to the side plates 2 by screws or bolts 22, as shown in Fig. 7. The base-plate 19 is thus insulated from the framework of the typewriting machine. A front plate 23 rises from the base-plate 19. A post 24 (Figs. 3 and 8) rises from the baseplate 19 at each end of the apparatus, and eachl of said posts supports a frame bar 25 which is connected at its forward end to the front-plate 23. The two frame bars 25 are connected together near their rear ends by a cross bar 2G (Fig. 1) which completes the main frame of this portion of the apparatus. Behind each of the posts 24 and between the frame bar 25 and the baseplate 19 there is mounted a rectangular piece of fiber or other insulating material 27.

As best shown in Figs. 7 and 8, a bracket 28 is fastened to the back edge'of each of the insulating blocks 27 by screws 29. As best shown in Fig. 8, each of the brackets 28 extends inward a short distance, and a plate of metal 30 is fastened to said brackets by headed screws 31, which pass through slots 32 in the plate 30 near its ends, and are threaded into the brackets 28. The construction is such that the plate 30 may be moved a short distance to the right or left and be secured in position by tightening the screws 31. The plate 30 has at its top and bottom edges forwardly projecting

flanges

33 and 34, as best shown in Figs. 12 and 13. The plate 30, with its

flanges

33 and 34, supports a series of stationary contact pieces 35, which are secured in place on said plate by screws 3G, which pass through openings in said plate and. are threaded into said contact blocks. It will be perceived that any one of the contact blocks may thus be readily removed without disturbing any other. Each of the stationary contact pieces 35 consists of a piece of metal having its front face cut away at intervals and the cut-away portions filled with insulating material 37, as best shown in Figs. 11 and 12. The construction is such that if any conductor be drawn up or down across one of these contact pieces, it will be alternately in an electrical connection with the plate 30 and insulated therefrom. The different stationary contact pieces have their metallic contact surfaces arranged in dots and dashes in accordance with the Morse alphabet, in a manner well known in the art. It will be observed that the several stationary contact pieces are all in electrical contact with the plate 30, and that this plate is insulated from the framework of the transmitting apparatus by the insulating pieces 27. The movable contact pieces which cooperate with the stationary contact pieces 35 consist of a series of levers 38 (Figs. 1 and 3) having anti-friction rollers 39 on their free ends where they are pressed against the stationary contact pieces.

As best shown in Figs. 2 and 3, the front plate 23 is fo med with a series of slots 40 cut down from its upper edge, and the bottom of each of these slots forms a pivot for one of the levers 38, it being cut-away and sharpened for the purpose, as shown in Fig. 3. Flat springs 41 secured to the-front face of the front plate 23 by screws 42, bear against the front end of the levers 38 and press the free ends of said levers into engagement with the stationary contact pieces. The levers 38 are guided near their free ends by a comb plate 43, which is formed at its ends with ears 44 which are secured to the posts 24 by screws 45. As best shown in Fig. 2, two brackets 46 project inward from the front plate 23 and have threaded through them pivot screws 47, between which is pivoted a rock shaft 48 to which are secured by their hubs 49 the arms 50 of a universal bar 51 which extends beneath all of the levers 38. The shaft 48 has fixed thereto an arm 52 (F to which is pivoted a second arm 53, which rests in a notch formed by a bend in a flat spring 54, which extends around a stud 55 projecting from a bracket or lug 5G, which rises from the base plate '19, and thence projects forwardly and .rests on a set screw 57 threaded through the base plate 19.

The tension of the spring 54 may be regulated by adjusting` the screw 57. In Fig. 1 the universal bar is shown in its highest position and in Fig. 3, in its lowest position; and by con'xparing these figures it will be seen that when the bar is in its highest position and the spring is therefore in its most relaxed condition, the arm stands at such an angle that the spring 54 acts upon the universal. bar to a better mechanical advantage than it does when the universal bar is depressed and the spring is under greater compression. rIhe arms 52 anc 53 thus constitute a compensating device, whereby the etl'ective force of the spring 54 is rendered approximately uniform throughout its stroke. rlhe levers 38 normally stand in their upper position shown in Fig. 1, and they are returned to such position by the spring 54 acting on the universal bar in the manner which is being explained. The levers 38 are depressed by the key levers 4 of the typewriter machine through the instrumentality of a series of levers 58, which are pivoted at 59 to the frame bar 2G. As best shown in Figs. 1 and 2, said frame bar is formed with a series of slots, one for each lever, and also with the slot G0 in its forward edge, and in this slot 60 the pivot rod or wire 59 is seated. Fach of the levers 58 extends forward through one of the slots 40 of the front plate 23 and has formed on its lower edge a lug G1 which rests on the corresponding lever 38. rlChe forward end of each of the levers 58 has pivoted thereto a link 62 which connects it witha subdever 63. Each of the links G2 is formed of two pieces of metal which do not touch, but which are joined together' by a piece of insulating material G4 fastened to the two pieces of metal by rivets 65. By this means the levers 58 are insulated from the levers G3. The levers 63 are pivoted on a rod 66 fastened to a frame bar 67 which is secured to the back plate 3 of the typewriter frame. The levers G3 are drawn upward by springs 68 connected at one end to said levers and at the other end to a frame bar 69. The levers 63 are guided near their front ends and their upward motion is limited by a. comb plate 70 (Figs. 1 and 2) which is secured at its ends to the side plates 2. The forward endof each o f said levers (33 normally rests beneath a pin 71. proj ecting from one side of a link 72 which is pivoted at 73 piston.

to one of the key levers 4. It will be seen that the construction is such that upon the depression of a key lever the pin 71 will depress the corresponding lever 63, which through its link 62 will depress the lever 58, and this in turn, by its lug 61, will depress the -lever 38. Upon the release of the key, the key lever will be returned to normal position by its spring 8, the

levers

63 and 58 will be returned to normal position by the spring 68, and the lever 38 will be returned to normal position by the spring 54 acting on the universal bar.

In order to regulate the speed of the return movement of the lever 38 I have provided a governor for the universal bar. A dash pot 7 5 is secured to the base plate 19 and, as best shown in Fig. 4, is provided with a piston 76, the piston rod 77 of which is slotted at the top (Fig. 5) to receive an arm 78 to which it is pivoted by a pin 79. The arm'7 8 has a hub 80 which is fixed upon the shaft 48 and the other end of the armis fixed at 81 (Fig. 2) to the universal bar 51. It is desirable that the transmitting device shall interfere as little as possible with the depression of the key lever. Accordingly an air tube 82 has an opening on the inside of the dash pot beneath the piston 76 and a ball valve 83 closes the upper end of said tube against the ingress of air, but readily allows the air to escape from beneath the In order to prevent the ball from being blown entirely out of its seat, a bracket 84 is secured to the top of the dash pot and stands over the ball 83. When the universal bar is rising air is admitted to the dash pot through a duct 85 which opens into the dash pot beneath the piston, as shown in Fig. 4, and which opens into the ontsi de air through a conical opening 86 which is partially closed by the conical end of a rod 87 which is mounted in

brackets

88 and 89 secured to the base plate 19.

rlhe bracket 89 is slotted as shown at 90, and within said slot is -mounted a nut 91 which is threaded on to the rod 87. Said nut 91 is formed into a gear 92, the teeth of which mesh with the teeth of a pinion 93, which is fixed upon a shaft 94 which is j ournaled in the bracket 89. A disk or plate 95 is fastened to the outside of the frame plate 2 by screws 96 which are threaded into said plate 95 and which are insulated from said frame plate 2 by washers and sleeves of insulating material, as shown in Fig. 2. A

j hollow shaft 97 is journaled in the plate 95 and passes through an opening in the side plate 2 which is larger than said shaft so that the shaft does not touch the side plate. The shaft 94 enters an axial opening in the shaft 97 to which it is iXed by a set screw 98 which is threaded into the shaft 97 and engages the shaft 94. At its outer end the milled head 100. An arm 101 projects from a collar 102, which is fixed to the shaft 97 outside of the disk or plate 95. Between said disk or plate and said collar there is mounted upon said shaft an arm 103 of spring metal, having at its free end a handle or button 104 and a pin projects inward from said arm and is adapted to enter one or another of a series of holes 105 formed in the disk or plate 95. The rod 87 is held against rotation by a screw 10G which is threaded into the bracket 89 and enters a longitudinal slot 107 in said rod, as shown in Fig. 4. rllie construction is such that if the milled head 100 be turned, it will turn the shaft 94 and pinion 93, which will turn the nut 91 and move the rod 87 into or out of the conical opening 80 in the dash pot. The pinion 93 is smaller than the gear 92 so that a very fine adjustment is afforded. Then the parts have been adjusted properly, the arm 103 is moved until the button 104 is in contact with the arm 101 and said arm 103 is held in position by its pin springing` into one of the holes 105. The purpose of this arrangement is as follows :-It is found that dust is liable to collect in the conical opening 86 and obstruct the opening so that, whenever the machine has been allowed to stand idle for a while it is necessary to readjust the dash pot before it will give the proper speed. 1n order to prevent this, the proper adjustment is preserved by the arm 103, and when the operator has finished using the machine he turns thel milled head 100 a considerable distance so as to withdraw the rod 87 some distance out of the opening 86. The vent being thus left wide open is not so likely to collect dust as when it is left in its operative adjustment with a fine crack between the walls of the vent and the conical end of the rod 87, and if any dust does collect it can be worked out by working the rod back and forth. The stop formed by the button 104 on the arm 103 enables the operator to bring the rod 87 back to its original adjustment instantly and accurately.

It will be observed that in the operation of the machine the key levers are struck in the ordinary way for the purpose of writing on the typewriting machine and that the depression of any key lever results in a simul- .taneous depression of its contact lever 38 and that the key lever is free to return to its normal position irrespective of the return of the lever 38, and that the return of said lever 38 is controlled by the dash pot governor, which has been described.

According to the arrangement here adopted, the contact lever 38 is in engagement with the stationary contact pieceI 35, both on its down stroke and on its up stroke. I have therefore provided an independent lcircuit controller for breaking the teleshaft 97 is formed into or is provided with a 1 graphic circuit when the lever is moving downward and for closing the circuit when the lever is moving upward. A small metal plate 109 is secured to one of the insulating pieces 27 and an arm 110 is pivotally mounted on a bolt 111 which passes through said arm and said plate 109 and through said insulating piece 27, on the outside of which it has threaded thereon a milled nut 112. A washer 113 of liber or similar material is interposed between the head of the screw or bolt 111 and the arm 110. The construction is such that by loosening or tightening the milled nut 112 the arm 110 may be placed under any desired degree of frictional restraint. Such arm 110 extends in a forward direction and has formed in its forward end a slot 114 into which projects a pin 115 secured to one of the arms 50 ofthe universal bar 51. rlhe upper edge of the slot 1141 is naked, but the lower edge is covered by a piece of insulating material 110. As the arm 110 is yieldingly held against motion in either direction by the friction washer 113, the pin 115 will press against the lower edge of the slot when the universal bar is moving downward and against the upper edge of the slot when the universal bar is moving upward, and the universal bar will therefore be in electrical connection with the arm 110 when the universal bar is moving upward and out of such connection when the universal bar is moving downward. The arm 110 is in electrical contact with the plate 109 which is connected by a conductor 117 with a binding screw 118, which is in the telegraphic circuit. Said binding screw 118 and another binding screw 119 are mounted in a block of insulating material 120, as best shown in Fig. 7 rllhe binding screw 119 is connected by a conductor spring 121 with the plate 30, to which the stationary Contact pieces are secured. lt will thus be seen that the course of the current through the transmitting device will be from binding post 118, conductor 117, plate 109, arm 110, pin 115, arm 50, universal bar 51, lever 38, roller 39, stationary contact piece 35, plate 30, spring 121, back to the binding post 119.

By an inspection of Fig. 2 it will be seen that the rollers 39 are much narrower than the stationary contact pieces. have provided means whereby the whole system of stationary contact pieces may be adjusted across the machine so as to bring a fresh portion of each of the surfaces of said Contact pieces under the said rollers in ease the stationary contact pieces become worn. It is for this purpose that the openings 32, through which the headed screws 31 extend, are made in the form of elongated slots, as shown in F 1g. 7. Each of the brackets 28 1s formed 123 engage the ends of the plate 30 and afford a ready adjustment of said plate across the machine in the manner which has been described. As a guide to the operator in making this adjustment, the plate 30 is cut away at one end, as shown at 125, making a notch or slot having beveled edges 126 on which are engraved index lines 127 which register with graduations 128 on one of the brackets 28. By observing the relation of the index marks 127 and the graduations 128 the operator may adjust the position of the plate 30 with great nieety. After the plate has been adjusted the -screws 31 are tightened and the plate is thus held in adjusted. position.

The spring 54C and its connections are necessarily so designed as to offer as little resistance as possible to the depression of the levers 38 in order that the tele'raphic apparatus shall offer as little resistance as possible to the operation of the typewriter keys. The spring 54s and its connections are so designed as to press t-he universal bar upward with only sutcient force to properly restore the depressed lever 38. In case several typewriter keys were accidentally struck at the saine time, thus depressing several of the rollers 38, the spring 54: would be unable to restore all of such levers and the transmitting apparatus would be thrown out of opeation. l have therefore provided in the key board of the machine a supplemental or correction key 129, the lever 130 of which is pivoted on the rod 0G in the same manner as the sublevers G3. As best shown in Figs. 1 and 2, the supplemental key lever 130 is normally drawn upward by one of the springs G8 and has projecting from its upper side, an arm 131 having projecting from its side a pin 132 which extends over an arm 133, the 'hub 13a of which is lixed on the shaft 4:8, as by a pin 135 passing through said hub and shaft. The construction is such that in case the spring 54 is unable to return the universal bar, the depression of the correction key will forcibly return said bar. As this key will generally be used for this purpose when more than one of the levers 38 are depressed and as this key would usually return the levers with a greater speed than the spring 541, it is desirable that .when it is operated the circuit shall be broken. To this end the binding post 119 is connected by a conductor 136 with one member of a circuit controller which is controlled by the correction key. A bracket of insulating inaterial 137 is secured to the back plate 3 of the typewriting machine, and a spring 138 (Fig. 1) is secured thereto by a screw 139 to which the conductor 136 is connected. A conductor 140 which extends outside of the machine and to the line wire of the telegraphic eircuit, is connected to a post 141, against which the spring 138 is normally pressed by a piece of insulating material 142, secured to the end of an arm 143 which projects upward from the lever 130, so that the circuit controller is normally closed; but when the correction key is depressed the arm 143 moves toward the front of the machine and the spring 13S is moved by its own resilience out of contact with the pin 141 and breaks the circuit. The key 129 may also be used in case the operator observes that he has struck the wrong character key. If he has made this mistake he may hold the character key down and depress the' correction key at the same time that he releases the character key. In this way the circuit vwill be broken before the movable contact lever 38 moves upward across the face of the stationary contact piece 35, and the erroneous character will not be transmitted over the telegraph wire.

The upward motion of the levers 38 is limited by a plate 145 which lies above said levers, and this plate is so designed that normally each of the rollers 39 rests in engagement with one of the pieces of insulation '37, which are inserted in the contact pieces 35. It will be observed that the face of the contact pieces 35 is straight and that when the levers 3S are in their normal position they incline from their pivots slightly upward. `When any lever 38 is depressed it not only turns about the bottom of the slot 40 as a pivot, but slides a short distance forward through said slot, against the tension of the spring 41. This being the case the springs 41 serve to hold in their normal elevated positions all of the levers 38 except the particular one which is forced down by the key levers.

The binding post 118 has connected thereto a conductor 144 which passes outside of the machine and is connected to the line wire of the telegraph circuit. The conductors 14() and 144 are connected up in the telegraph circuit in exactly the same manner as the ordinary operators key. The operator of this machine has at his side the usual relay and sounder, and he hears from the sounder the Morse signals which are automatically transmitted by the mechanism. The Morse code consists of a succession of dots, dashes and spaces and the signals corresponding to different characters differ greatly in length, the letter e being represented by a signal dot and other characters by combinations of dashes and dots, so that the signals corresponding to some of the other characters are several times as long as that which represents the letter e. If the operator struck the typewriter keys at regular intervals of time, such an operation of the machine would result in irregular spaces being left between the different signals,- the spaces between short signals would be much longer than the spaces between long signals. In order that a signal may be readis necessary that the interval between char-A acters shall be as nearly uniform as possible. In practice therefore the operator strikes the key and releases it, and as soon as he hears the corresponding signal in his sounder ie strikes the next key, striking the keys in such a way that the space between the letters shall be as nearly as possible uniform. In devices of this kind as heretofore constructed it has been impossible to make this space uniform because the movable contact piece, which in the present case is the lever 38 and rolle-r 39, has been required to move through a uniform distance, and has been controlled in such movement by a governor. The result has` been that those characters which are represented by a long combination of dots and dashes have occupied the entire stroke of the movable contact piece, whereas those characters which are represented by shorter signals have occupied but a small portion of the stroke of the movable contact piece, the

said contact piece moving for the greater part of the time across insulating material. In order to remedy this defect in the present device I have made provision for moving the several levers 3S different distances corresponding to the respective lengths of the signals which such levers are designed to transmit. The lever 3S corresponding to the letter e is depressed only far enough to form a single dot and other levers different distances in accordance with the lengths of their signals. To this end the comb plate 43 has its slots of different lengths, as shown in Fig. 6, so as to positively limit the length of the stroke of each of the levers 3S. To the same end each of the levers 63 consists not of a single piece but of two pieces pivoted together at 146, as shown in Figs. 1, 2 and 3. The forward end piece 147 is bent to form a flange 148, into which are threaded two set screws 149 which engage the lower side of the lever 63 on opposite sides of the pivot 146. These set screws are secured in adjusted position by lock nuts 150. By adjusting the set screws 149, the forward free end of the lever may be moved up or down, thus moving said end closer to or farther from the pin 71. In this way any desired amount of lost motion may be secured between said pin 71 and the free end of the lever.

In the case of letters which are represented by short signals the free ends of the levers are adjusted low so that the pin 71 does not strike the end of the lever 63 until the key has nearly reached the end of its downstroke, the lever 63 being thus moved but a short distance. In the case of those characters which are represented by longer signals, the end of the lever is adjusted higher and is engaged by the pin 71 earlier in its stroke so that a long stroke is imparted to the lever G3 and consequently to the lever 38. The conductor surfaces, by which the signals are formed, are all arranged near the tops of the several contact blocks 35, so that the moment the roller 39 has passed from the last conductor surface onto the insulation surface the parts are in their normal position, as shown in Fig. 1, ready for another depression of a character key and lever 38. If the levers 33 all had the same length of stroke and the conducting surfaces of the short characters were near the bottom of the contact pieces 35, then when the signal had been transmitted the operator might be misled into supposing that the parts had returned to normal position and he -might then strike another key. ln this way he would depress a second lever 3S before the first one had returned to normal position and the spring 541i might be unable to restore both levers. If, on the other hand, the levers 38 all had the same length of stroke, and if the Contact surfaces of the characters represented by short signals were near the tops of the contact pieces 35, then when the e lever was struck there would be added to the interval which the operator purposely left between this and the preceding character the length of time it would take the roller 39 to move upward across the long stretch of insulating material until. it reached the conductor surs face which is designed to transmit the signal. The e would thus be separated from the preceding character for so long an interval that the operator might be deceived into thinking that it belonged to another word.

It may some times be desirable to use the typewriti'ng machine without using the transmitting device. To this end I have provided means whereby the transmitting device may be thrown out of operative connection with the typewriter keys. Each of the links 72 is formed at its lower end with a longitudinal slot 152 and rod 153 extends through all of such slots and guides the links 72. The rod 153 is rigidly secured at its ends to arms 154C which are pivoted at 155 to the frame plates 2, the whole forming a swinging yoke frame. The rod 153 is extended at one end, as shown in Fig. 2, outside of the casing where it is formed into a handle 156 by which the yoke-shaped frame may be swung toward the front or toward the back of the machine. In order to hold said frame in one orsanother of its positions, a spring 157 which is secured to a lug 15S projecting from the side plate 2 has two notches 159 into one or another of which the rod 153 seats itself, according as said rod is in its forward or in its rear position. lVhen the rod 153 is in its rear position the pins 71 stand over the ends of the levers 63 and in position, to engage the same; but when the rod 153 is drawn forward the links 72 swing ward so that when the key levers are depressed said pins pass clear of the levers (33 and the transmitting device is inoperative.

T he transmitting mechanism is protected by a casing 1GO, 161 (Fig. 1).

lWhat I claim as new and desire to secure by Letters Patent, is

1. The combination with typewriting mechanism including a series of keys, of an electric circuit; a series of stationary contact pieces and a series of reciprocatory contact pieces in said electric circuit for transmitting telegraphic signals, one reciprocatory contact piece for each key; and means for mechanically connecting the several reciprocatory contact pieces to or disconnecting them from said typewriter keys at will.

2. The combination with typewriting mechanism including a series of keys, of an electric circuit; a series of stationary contact pieces and a series of reciprocatory contact pieces in said electric circuit for trans mitting telegraphic signals; means whereby said reciprocatoiiy contact pieces are moved by the typewriter keys in one 'ilirection; means for returning the typewriter keys; and independent means including a univer sal bar for returning said reciprocatory coutact pieces.

3. The combination with typewriting mechanism including a series of keys, of an electric circuit; a series of stationary contact pieces and a series of reciin'oeatory contact pieces in said electric circuit for transmitting telegraphic signals; means 'whereby said rcciprocatoiiy contact pieces are moved by the typewriter keys in one direction; independent means including a universal bar for moving said reciprocatory contact pieces in the other direction; and a governor for said universal bar.

4. The combination. with tyliewriting mechanism including series of keys and printing means operated thereby, of an electric circuit; a series of reciprocatory circuit controllers for transmitting telegraphic signals; means whereby a reciprocatory circuit controller is moved in one direction upon the depression of a key; means for returning the depressed key; and independent means including a spring actuated universal bar for returningl the circuit controller.v

The combination with typewriting mechanism including a series of keys and printing means controlled thereby, of au electric circuit a series of reciprocatory circuit controllers for transmitting telegraphic signals; means whereby a reciprocatory circuit controller is moved in one direction upon the depression of a key; means for returning the depressed key; independent means including a spring actuated universal bar for returning the circuit controller; and means for regulating the speed of the return on their pivots and the pins 71 move forl movement of said circuit controller.

G. The combination with typewriting mechanism including a series of keys and printing means controlled thereby, of an electric circuit; a series of fixed contact pieces and a series of reciprocatory contact pieces which cooperate to transmit telegraphic signals, there being one reciprocatory contact piece for each key; means for operatively connecting the several keys to said reciprocatory contact pieces; and means for disconnecting said keys from said reciprocatory contact pieces at will.

7. The combination with typewriting mechanism including a series of keys and printing` means controlled thereby, of an electric circuit; a series of reciprocatory circuit controllers for transmitting telegraphic signals; means for moving a reciprocatory circuit controller in one direction upon the depression ot a key; means for returning the depressed key; spring means for returning` the circuit controller; and a supplemental key which is also operative to return said circuit controller.

8. The combination of a series of character keys; an electric circuit; a series of key controlled circuit controllers for transmitting telegraphic signals; and a supplemental key and a circuit controller controlled thereby, whereby the circuit may be broken and the transmission of the signal may be prevented, after a character keyhas been depressed.

9. The combination with typewriting mechanism including a series of character keys and printing means controlled thereby, of an electric circuit; a series ot key controlled circuit controllers for transmitting telegraphic signals; a supplemental circuit controller; and a supplemental key in the key board of the typewriting` mechanism for actuating said supplemental circuit controller, whereby the transmission of a signal may be prevented after a character key has been depressed.

10. The combination of a series of character keys; an electric circuit; a series of reciprocatory circuit controlling devices for transmitting telegraphic signals means connecting the several character keys and circuit controllers whereby a circuit controller is moved in one direction by the depression of a key; spring means for returning such circuit controller; and a supplemental key which is also operative to return such circuit controller.

11. The combination of a series of character keys; an electric circuit; a series of reciprocatory circuit controlling devices for transmitting telegraphic signals; means connecting the several character keys and circuit controllers whereb7 a circuit controller is moved in one direction by the depression of a key; spring means for returning such circuit controller; a supplemental key which is also operative to return such circuit controller; and a supplemental circuit controller for breaking the circuit when said supplemental key is operated.

12. 1n a device for transmitting telegraphic signals; the combination of a series of stationary contact pieces and a series of cooperating movable contact pieces for transmitting telegraphic signals; and means for effecting an adjustment of one of said series of contact pieces as a whole with relation to the other in order to bring a fresh contact surface into use.

13. The combination of a series of keys having substantially equal strokes; an electric circuit; a series of circuit controllers for transmitting telegraphic signals, cach circuit controller comprising a stationary contact piece and a key operated reciprocatory contact piece, and said reciprocatory contact pieces being moved diiierent distances according to the lengths ot the several signals.

141. The combination with the keys having substantially equal strokes and the key controlled printing means, otl an electric circuit; a series of circuit controllers for transmitting telegraphic signals, each circuit controller comprising a stationary contact piece and a key operated reciprocatory contact piece; and means connecting each reciproca- -tory Contact piece to its key. said means being adapted to impart to said Contact piece an extent of motion appropriate to the length of the particular signal which such contact piece transmits.

15. The combination with the keys and the' key controlled printing means, of an electric circuit; a series of circuit controllers for transmitting telegraphic signals, each circuit controller comprising a stationary contact piece and a key controlled reciprocatory contact piece; means whereby the several keys move their respective reciprocatory contact pieces different distances according to the lengths of the different signals; a universal bar for said reciprocatory contact pieces; means for moving said universal bar to restore any contact piece that has been moved by its key; and a governor for said universal bar.

1G. In a transmitting device, the combination of a series of reciprocatory contact pieces for transmitting different telegraphic signals keys having substantially equal strokes tor operating said reciprocatory contact pieces; and means for limiting the extent of motion of each reciprocatory contact piece; said limiting means being adapted to allow to the different contact pieces diiierent extents of motion according to the lengths of the different signals.

17. In a transmitting device, the combination of a series of movable contact pieces for transmitting dierent telegraphic signals; keys having substantially equal strokes for operating said movable contact pieces; and means for limiting the extent of motion of each movable contact piece, said limiting means being adapted to allow to the diiferent contact pieces different extents of motion accordin g to the lengths of the dierent signals.

18. The sub-lever 63, composed of two pieces rigidly connected together by a pivot and two set-screws, whereby the two pieces may be adjusted, the one with relation t-o the other.

19. The combination of a series of .key levers; a series of movable contact pieces for transmitting telegraphic signals; and connections between said key levers and said movable contact pieces including a series of sub-levers, each composed of two pieces connected together by a pivot and two set screws, whereby one of said pieces may be adjusted with relation to the other, so as to afford different extents of movement to said sub-levers and said movable contact pieces.

20. In a telegraphic transmitting device, the combination of a series of reciprocatory contact pieces for transmitting telegraphic signals; a series of keys for moving said contact pieces in one direction; a universal bar for moving said contact pieces in the other direction; a spring for actuating said universal. bar; and a compensating device connecting said spring and said universal bar.

21. ln a tt-wlegraphic transmitting device, the combination of a series of movable contact pieces; means for moving said contact pieces; and a governor for said moving 'means comprising a dash pot having a vent 86, a rod 87 for regulating the opening in said vent, means for preventing rotation of said rod, a nut 91 threaded onto said rod, and gearing for turning said nut.

22. In a telegraphic transmitting device, the combination of a series of stationary contact pieces; a series of levers 38; springs 41 for pressing said levers endwise thereof against said stationary contact pieces; and means for moving said levers 38 to draw the ends thereof across die faces of said stationary contact pieces.

23. In a telegraphic transmitting device, the combination of a series of stationary contact pieces; a series of levers 38, adapted to be moved across the faces of said stationary contact pieces; series of levers adapted to move said levers 38 in one direction; spring means for moving said levers 38 in the other direction; and keys connected to said levers 58.

2.4. ln a telegraphic transmitting device, the combination of a plate or bar 30 of conducting material; a` series of stationary contact pieces detachably secured to said bar; a series of movable contact pieces adapted to move across the faces of said stationary contact pieces; and means for adjusting said bar to bring a fresh portion of the contact surface of each of the stationary contact pieces into the path of the 'corresponding movable contact piece.

25. ln a telegraphic transmitting device, the combination of a reciprocatory member; and a frictionally restrained pivoted arm having a slot into which a portion of said reciprocatory member extends; one edge of said slot being of conducting and the other of non-conducting material; whereby said reciprocatory member is in electrical connection with said arm when moving in one direction and out of such connection when moving in the other direction.

Q6. In a writing and transmitting apparatus, the combination of a series of keys having strokes of uniform length; types operated by said keys; and a series of reciprocatory contact pieces operated by said keys for transmitting telegraphic signals of different lengths, said contact pieces moving through different distances according to the lengths of the several signals.

27. In a writing and transmitting apparatus, the combination of a series of keys; a series of types operated by said keys; a series of reciprocatory contact pieces controlled by said keys for transmitting telcgraphic signals of ditlierent lengths; and connections between said keys and said contact pieces, said connections having different extents of .lost motion whereby said contact pieces are moved different distances according to the respective lengths of the signals.

28. In a writing and transmitting apparatus, the combination of a series of keys; types operated by said keys; a series of reciprocatory contact pieces controlled by said keys for transmitting telegraphic signals of different lengths; connections between said keys and said contact pieces, said connections having different extents of lost motion whereby the contact pieces are moved different distances according to the lengths of the several signals; and stops for arresting said contact pieces after different extents of motion.

29. In a transmitting apparatus, the combination of a series of stationary contact pieces, a series of reciprocatory contact pieces and means for moving said reciprocatory contact pieces across the faces of said stationary contact pieces; each of said reciprocatory contact pieces consisting of a slidably pivoted lever one end of which engages a stationary contact piece, said lever being spring pressed end wise toward said stationary contact piece.

Signed at lion, in the county of Herkimer and State of New York this sixth day of April, A. D. 1904.

AUGUSTUS Gr. SNYD'ER.

Witnesses RAE SLINGERLAND, JAMES Ginori Instr.

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