US1821124A

US1821124A - Selecting apparatus

Info

Publication number: US1821124A
Application number: US332136A
Authority: US
Inventors: Carl W Swan
Original assignee: Teletype Corp
Current assignee: AT&T Teletype Corp
Priority date: 1929-01-12
Filing date: 1929-01-12
Publication date: 1931-09-01
Anticipated expiration: 1948-09-01

Description

Sept.'1,1931. .-w s AN 1,821,124

' SELECTING APPARATUS Filed Jan. 12, 1929 5 Sheets-Sheet l A L INVENTORH 1 ATTORNEY.

Pt- 1931. c. w. SWAN 1,821,124

SELECTING APPARATUS Filed Jan. 12, 1929 5 sheets-s eet 2 r 7 A IN ENT0R.-

A TTORNE Y.

Sept. 1, 1931. c. w. SWAN SELECTING APPARATUS Filed Jan. 12, 1 29 5 Sheets-Sheet 5 H i INVENTOR. I

A TTORNE Y.

Sept. 1, 1931. c. w. SWAN 4 1 SELECTING APPARATUS Filed Jan. 12. 1929 5 Sheets-Sheet 4 INVENTOR.

A TTORNEY.

Sept; 1, 1931. c, w, sw 1,821,124

SELECTING APPARATUS Filed Jan. 12, 1929 5 Sheets-Sheet 5 WWQW dttol ueq Patented Sept. 1, 193;

LPATENT orFic CARL/W. SWAN, or CHICAGO, IL IIIoIs, ASSIGNOR TO 'rELEmE comeoaA'rIoiv, or

CHICAGO, ILLINOIS, A CORPORATION or DELAWA F SELECTiNG APPARATUS aThe present invention relates to selecting. apparatus and more particularly the invention relates to apparatus selectively responsive to code combinations of selecting conditions especially adapted for the operation of printing telegraph mechanisms.

In printing telegraph apparatus of the permutation code ype, selecting mechanisms are employed th t are operated in accordance with received code combinations of impulses to selectcharacters to be printed on a tape or page. The energy. received over the line'available for the. control of the selecting mechanism is usually comparatively small, and it is therefore desirable to provide selecting mechanisms readily responsive to comparatively small currents. Also because of'the high speed of operation demanded in modern printing telegraph oporation it is desirable to reduce to a minimum the operations of the selector and printing mechanisms to increase the durabilityandlife of and to reduce the wear and tear on the mechanisms as much as possible.

Accordingly one of the objects of my invention is to provide selecting apparatus in which a minimumamount of energy is required to control the selective operation signalling conditions;

A further object, of the invention is to provide novel selecting mechanisms embodying a plurality of permutation elements moved only in a single direction to differ: ent settings for succeedingselecting combinations.

Still further objects of my invention are such as may be. obtained by utilization-of and interposed I Application filed January 12, 1929. Serial No. 882,186.

the various combinations and subcombinations hereinafter more fully set forth and as defined by the scope of the appended claims. Referring to the drawings Figure 1 is a plan "view of a preferred embodiment of my invention as applied to a type wheel tape printer.

Figure 2 is an end view with parts broken away, looking in the direction of the arrows A-A in Figure 1.

Figure 3'i's a vertical sectional-view taken along line'BB of Figure 1.

Figure '4 --is a sectional view with parts broken away taken along line C-C of Figure 1.

Figure 5 is a view similar to Figure 2 showing the parts in a different ositipn.

Figure 6 is a sectional view ta en along line D -D of Figure 5 with parts broken .away. Figures 7 to 13 are fragmental views showing the selecting or permutation disks used in my invention.

Figure 14shows av modified form of selecting or permutation disc for use in the invention.

Figures 15 to 17 are more or less diagrammatic views showing modifications of my in vention.

As shown in" the drawings energy is supplied to,the mechanism by a motor (not shown) which drives shaftl; Mounted on and rotatable with shaft 1 is gear 2 which meshes witheand drives gear 3. Gear 3 is supported on and drives main selector printing and drive shaft 4. Secured to gear 3 by-suitable screws 5 is a typewheel 6 on the circumference of which are mounted the letters of the alphabet, numerals, and characters to be printed as indicated at 7.

Shaft 4 is-journaledin anti-friction bearings 8 supported in printer side frame mem-- bers 9 and journalled on central section 10 thereof between side-framesi 9 are six selecto'r disksv 11 and a selector operatin disk 11 Slidably ke ed on section 10 of s aft 4 etween adjacent ones of disks 11 and the disk 11 are friction drive clutch'disksi12 a coil spring 13 (Figure 3) interposed between discs 14.; and 15 reach of the notches 19 as shown.

pawls 21' is mounted on and rotatable with.

- As shown in Figures 4 and 7 to 13, each' selector disk has one or more stop notches 19 cut inits circumferential edge, adapted to be engaged by noses 20 of the selector eon-' trolling pawls 21. Two pawls 21 positioned diametrically opposite each other are provided for each of the disks 11, while one pawl is provided for the disk 11. As shown by the arrows (Figures 7 to 13) the disks tend to rotate counter clockwise in operation but are normally held from rotation by noses 20 of the pair individual to each disk 11 being normally engaged with one Each of the a shaft 22 individual thereto by means of set screw, 23.

As will be clear from the description thus far given the disks 11 are normllay held from rotation by the noses 20 of pawls 21 which engage notches 19 in these disks; As

will be described hereinafter, pawls 21 are selectively rocked in a clockwise direction in accordance with received code combinations releasing selected ones of the disks for rotation until the next notch in the released disk is engaged by the opposite pawl individual thereto.

Shafts 22 are rotatably journalled in suitable bearings formed in side frames 9 and secured to the right ends thereof as viewed 7 in Figure 3 are the marking control levers 25 and spacing control levers 26 controlling the positions for discs 11, and the selector operating control lever 26' controlling the operating disk 11'.

Pawls 21 and arms 25,7 26 and 26' individual thereto are so arranged that the noses, 20 thereof ride on the periphery of disks '11 and 11' and drop into notches 19 by the action of gravity in operation of the mechanism.

An operating lever 27 is provided to selectively actuate levers 25, 26 and 26' in accordance with received combinations of signalling conditions as will more fully hereinafter appear. Lever 27 is slidably supported on

dowels

28 and 29 carried by plate 30 iotatably mounted on the end .of,maindrive shaft4. Plate 30 is frihtionally driven by main shaft 4 through friction disk 31 and clutch plate 32, splined for longitudinal movement on the main drive shaft 4. Friction disc 31 is forced into frictional engagement with the plate 30 by means of a spiral spring 33 interposed between bearing 8 and c utch plate 32. As shown in Figure 4, in

Rotatably connected to the central portion of arm 27 is one end of a lever arm 36, the opposite end of which is pivotally connected by means of a pin 37 to the armature 38 of the line electro-magnet 39; Magnet 39 inay be of any well known construction but is preferably a sensitive polarized magnet provided with a magnetized core 41 and divided windings 42. As shown, arma ture 38 extends through windings 42 and is pivotally supported at 43 between the sectionsof winding 42 and is limited in its movement by the poles 44 of core 41 As the armature 38 oscillates on pivot 43 in response to energizations of windings 42 it in turn oscillates the'lever arm 36 in a longitudinal direction and lever 27 is in turn moved axially with respect to the main shaft 4. At the extreme left position of the armature 38 the path of the arm 27 as it rotates does not include control arms 25, but does include the control arms 26 and 26', and when armature 38 is moved by the electromagnet to its opposite or right hand position-in response to a marking impulse and the arm. 36 accordingly moves lever 27 to its right hand position in Figure 3, the path of the rotating arm 27 includes control arms 25 and not the

control arms

26 and 26. Accordingly as lever 27 is rotated by shaft '4 it will engage and rock the

control arms

25, 26, and 26 in a manner depending upon the energizationof magnet 39.

' The electromagnet 39 is operated in response to received code combinations of impulses, the magnbt being as is well known' in the art, responsive to impulses transmitted over a signalling line extending from a remote transmitting station. The shaft 4 is driven at such a speed that the arm 27 is rotated in synchronism ,with the signalling impulse so that it is successively in operative position with a pair of arms 25 and 26 associated with a disk simultaneously with the receipt of a selecting condition allotted to the particular disk controlled thereby. As the lever 27 comes into operative relation with a pair of arms 25 and 26,

the character of the received impulse at that instant will determine whether the lever 27 will be movedinto engagement and rock the corresponding marking or spacing control arm 25 or 26. As lever 27 rotates past each pair of control arms 25 and 26 individual to the selector disks either an arm 25 or an arm 26 is moved a distance suflicient tion by the opposite pawl 21 individual thereto, then the disk is in proper position.

for the selection and no rotation thereof will occur. It will accordingly be seen that rotation of selector disks occurs only when necessary to shift the position thereof for the succeeding selection, thereby reducing the disk movements tea minimum. It will therefore be clear that the selector disks have no normal position to whichthey are restored, but are latched in their marking or spacing positions until a change is required in a succeeding selection, and that received selecting impulses merely function to operate the latches to release the disks when necessary to permit movement to the position 1n accordance. with the character of the received impulse or condition: In.

this manner all of the selcctor disks are operated in accordance' with the received .code combinations of impulses and assume a predetermined relative position with respect toeach other at the end of the code combination of impulses.

The nature of these disks and the manner in which they cause the printing of a predetermined character after they are set up 'in a redetermined alignment .will now be described. Referring to Figures 7 to 13 it will be noted that the disks lleach of which, as will be clear from the above, having a marking andbpacing position, is provided with a series of small holes 51 arranged differently in each disk so that for each different combination of the disks a different set of holes 51 will be aligned. Loosely carried ineach of these holes 51 is a ball 52" (Figures 3 and 6) of a diameter selecting conditions is preceded by a start condition which frees lever 27 from engagement with stop 35 for a complete revolution, and is followed by a stop condition which causes lever 27 to engage stop 35 and come to rest at the end ,of each revolution. For any one combination of positions of the ,disks determined hycode combinations of selecting conditions there is only one alignment of the balls possible and this alignment will invariabl occur for the same relative positions 0 the disks. Similarly at other relative positions other openings and other balls will be aligned at other po sitions about the circumference. For each setting of the first fivedisks 11 there can be 32 such alignments bypermutation.

In order to eliminate the need of the shift mechanism controlled by a code combination of signals I provide a sixth disk 11 which is operated in response to a shift impulse. So long as characters in the same case position are to be printed this disk is not operated. \Vhen however, a character in a different case position is to be printed, the shift control disk 11 is released for rotation causing printing in the opposite case from the preceding character as will be described more fully hereinafter.

The receipt of each code combination of signalling conditions and the corresponding alignment of the disks 11 selects the character and the selection is then transferred by the operation of disk 11' which is invariably released by actuation of control arm 26' by engagement with lever 27 near the end of its revolution. Disk 11 has a hole 51 and ball 52 for each possible alignment of the disks 11 so that when it is released one of the balls 52 thereby will be moved into alignment with the aligned balls in disks 11 thereby forcing the aligned balls to the left inv Figure 3.

Opposite each position of alignment of balls 52 there is provided a setting pin 53 slidably mounted for longitudinal movement in suitable holes formed in the left side frame 9. Each pin 53 is provided with two

grooves

54 and 55. A coil spring 56 nesting in an annular groove 56' of side frame 9 snaps into

grooves

54 or 55 and holds pins 53 in the positions where set. After each printing operation as will more fully hereinafter appear pins 53 are restored to their right hand position in which the spring 56 lies in the left hand groove of each of these pins. As illustrated when the balls opposite one of these pins are in alignment and disk 11' is operated, the aligned balls push toward the left (Figure 3) and move a selected pin 53 opposite which they are in alignment in a longitudinal direction toward the left against the action of the locking spring 56. The selected pin 53 is then in operated position to the left with its end protruding beyond the other pins and spring 56 maintains the selected pin in operative position. From the above it will now, be clear that one ofthe setting pins 53 is selected in accordance with thersetting of the disks 11 and shifted to operative position. As will now be described the setting pin 53 selected and operated in turn determines which of a pair of characters on the type- I I wheel contains the character to beKprinted, while the sixth disk 11 determines which of the selected pair of characters is to be printed.

Referring to Figures 5 and 6 it will be seen that carried on the shaft 4 is an arm 61 secured to and rotatable with the shaft 4. Pivotally mounted on the end of the arm 61 by means of pin 62 is a seeker member 63 provided with an extension 64 and a tooth 65. The seeker member 63 is normally urged in a clockwise direction about its pivot 62 by a spring 66 secured to the end thereof and to the arm 61in any suitable manner.

Journalled on drive shaft 4 is a hub 67 of ratchet 68 provided with teeth 69 (Figs. 3, 5 and 6). Also secured to hub 67 is printing cam disk 71 having cam surface 72. The printing cam-disk 71 and ratchet 68 are normally held from turning. by jockey lever 73. Jockey lever 73 is secured to one end of shaft 74' which is suitably journalled in the frame work. A printing arm 75 is secured to and actuated by the opposite end of shaft 74 and carries at its free end the printing roller 76 around which tape 77 passes. Feed roller 79 in frictional engagement with the tape 77 forces the tape against roller 76 and is actuated by a ratchet feed' mechanism-of anywell known construction (not shown) to feed the tape aletter space following each printing operation. Secured at one end to the base of the frame is a spring 81, the other end of which is secured to the extension 82 of the crank 73 and holds the end of jockey lever 73 resiliently in engagement with cam surface 72.

The operation of the above described a A paratus will now'be given. As has alreac y been explained, shaft 4 is continuously driven in operation by the power supplied from the motor through motor shaft 1, and gears 2 and 3. Continuously rotating with the shaft 4 is the typewheel 6 carrying the type characters to be printed. In frictional driving engagement with shaft 4 is also the normally latched member 27 which after being released by a start impulse is successively brought in operative relation with either arm of the set of control arms 25 and 26 individual to each of the selector disks 11. Lever 27 is brought into operative relation with each pairof arms 25 and 26 simultaneously with the receipt of a selecting condition by electromagnet 39 and depending on the character of selecting condition received at the instant when the arm 27 comes into operative relation with each pair of arms the associated selector disk is released for rotation if it is not properly positioned for the selection. In this manner each of the disks 11 is successively operated in accordance with thecode combination selecting conditions received and will be positioned accordingly to align a corresponding set ofballs 52. j

As has been explained, the'fi rst five disks 11 assume a position permitting either a may be utilizedwith the letters and characters arranged in aligned pairs at each angular position of the wheel and a shift mechanism controlled by the sixth disk 11 may be utilized to determine the printing 2 the aligned balls to'its operat've position in the path of the extension 64 o the seeker 63 as shown in Figures 5 and 6. The selected pin 53 is held in set position by spring 56," and the disks 11 and 11' may nowbe immediately reset by the succeeding code combination while the printing of the selected character proceeds thus providing an overlap of selecting and printing operations. Thereafter and during the succeeding revolution of lever 27,- whilethe printing onerations now to be described take place, the selector disks llvare set in accordance with a new code. v

The arm 61 with seeker 63 is continuously rotating, driven by the main' drive shaft 4 on which it is mounted. means of, the spring 66 the extension 64 of seeker 63 is held in a pathjoppo'site the setting pins 53. \Vhen the seeker 63 reaches the selected pin 53 which has been moved to 1ts operated position extension 64 will engage the protruding end of this pin and as the arm 61 continues to rotate the extension 64 will rotate about its pivot pin 62 against the tension of spring 66 and the tooth 65 will engage one of the teeth 69 on the ratchet 68. As described above, the ratchet 68 and printing ratchet 71 are loosely mounted on the main shaft 4 but normally held from 'rotation by the jockey 73 which normally lies in one of the depressions. of cam surface 72 such as 85. When tooth 65 engages one of the teeth 69 on ratchet 68, the ratchet is rotated a distance-to move cam disk 71 a distance of one cam depression. At the I is restored under the action of spring 66 and tooth 65 disengages from the tooth 69 of ratchet 68. a

As a result however of this movement of the ratchet 68 and printing cam disk 71, the jockey 73 is rocked as shown in Fig. 5 by operation of the cam disk and shaft 74 is rotated in a clockwise direction, and printing arm 75 on shaft 74 is rotated in a clockwise direction impacting tape 77 momentarily against the character on'the typewheel 6 adjacent roller 76. A character is thus printed on the tape 77. Onv continued movement of cam disk 71 completing the distance of one tooth, jockey 73 again slides into a depressed portion of the cam and the shaft 74 is rocked in the opposite direction by tension of the spring 81 -moving the printing roller 76 away from the typewheel.

- This movement also produces a rotation between roller 79 and printing roller 76 to move the tape a distance of one letter space for presenting a new printing surface by operation of a suitable stepping mechanism of any well known construction (not shown). lhe cycle of operations is now completed and is repeated for each character to be printed.

It will be clear to those skilled in the art that the holes 51 in which the balls 52 are inserted may be arranged in any desired manner in order to provide the necessary number of selections. In. the form shown in Figure 14 one of the selector disks 11 is provided with one tooth and thirty two holes arranged on a semi-circle of the disk, the disk movements being a half turn. The next selector disk in this form is provided with two teeth and two groups of sixteen holes symmetrically arranged in one quarter of a turn, the disk movement being one quarter of a turn. The third selector disk is provided with four teeth and 6 four groups of 8 balls each symmetrically arranged in one eighth of-a turn with a of two balls symmetrically arranged with an esca-pement of 1/32 of a turn. The sixth disk is provided with 32 teeth, one ball being symmetrically arranged in 32 groups with an escapement of 1/64 of a turn. The seventh disk in this form of invention is similar to the sixth disk but controlled by only one pawl which is actuated every time the arm 27 makes a revolution.

It willalso be understood bythose skilled in the art that the alignment of the selector disks need not necessarily function to set balls for operating asetting pin to control a typewheel. As shown in Fig 15 the disks may be provided with gear teeth 91 which mesh with teeth 92 on selector bars 93 of the notched type which are operated in various combinations in accordance with the positioning of the disks to control operation of a printer, or other selecting mechanism, or as shown in Fig. 16 each of the disks may be provided with a notch 94 in which an extension lever arm 95{ individual to each of five vanes 94 is operated as the disk rotates to in turn set the vanes in combinations to control operation of selective mechanisms comprising notched code bars controlled by the vanes in mechanisms of a type well known to those skilled in the art.

Instead of the arrangement for rotating the selector disks shown in Figure 6, the arrangementshown in Figures 15 to 17 may be employed In these modifications, a setting marking pawl 95 individual to each selector disk is adapted to be actuated by lever 27 and through lever 96 pivoted at 97 actuates link 98 secured to the selector disk Mat 99 to set the disk to marking position. A resiliently supported jockey roller 101 in slot 102 of each

disk

11 and 11 holdsthe disk in position where set. In response to a spacing impulsearm 103 individual to each disk and suitably pivotally supported on the frame work is engaged by lever 27, and rocks arny104 through a suitable shaft 104. Each arm 104is forked at its end and engages a pin 105 on the disk individual thereto. As the pawl 103 is rocked, arm 104 through pin 105 rotates the disk to its spacing position. In thismanner each disk is operated to either position and remains set until its position is to be changed in a suc-. ceeding selection without the use of springs; These arrangements will be well understood by those skilled in the art as obvious ap- 0 plications of the selector disks, it beingunderstood that the inventionu'esides not in the actual type of control accomplished there by but in the manner of setting these disks to any one of a plurality of non-normal positions "and maintaining them set in that position. Having described preferred embodiments only of my invention what I desire to secure by Letters Patent and claim as new is 1.- In combination, a rotable arm, a plurality of elements circumferentially arranged around the path of movement of said arm whereby said arm moves past each of said elements in succession and means responsive to received code combinations of signalling conditions for shifting said arm rality of members arranged around the pein and out of alignment with said elements as said arm approaches each said element in its rotation.

r 2. In combination, an actuating finger, means for rotating said finger in synchronism with received code combinations of sig-- nalling conditions, a plurality of selector controlling elements circumferentially arranged in the path of said finger, and means responsive to the received code combinations of impulse conditions for moving said ro tating finger in and out of alignment with said elements.

3. In combination, a plurality of selector elements arranged in a circumferential path, a rotatable finger axially movable into the circumferential path in which said elements are positioned, means for rotating said finger past each of said elements successively, and means responsive to received code combinations of si nalling conditions for axially shifting said ngerin and out of the path of said elements.

4. In combination, a plurality of elements arranged in a circumferential path, a finger rotatably'mounted and concentric with the circumferential path in which said elements are positioned, means for rotating said finger past each of said elements successively, and means responsive to received code combinations of signalling conditions for rendering said finger operative or non-operative as it comes opposite each of said elements.

5. In combination, a rotating arm, a pluriphery of said rotating arm, means responsive to received code combinations of impulses for rocking said rotating arm in and out of the ath of said members assaid arm approac es each of said members, and

a selector disk individual to each of said tating said arm in synchronism withreceived code combinations of conditions, a plurality ofmembers arranged in the circumferential path of said arm, means responsiveto received code combinations of impulses for moving said rotating arm in and out of the path of each of said members, a selector disk individual to each of said members, said selector disks having no normal position,

and means controlled by each of said mem-- bers foroperating said disks.

I, 7 In combination, a plurality of members arranged in acircumferential path, an arm rotatably mounted and concentric with the circumferential path in which said members are positioned, means for rotating said arm past each of said members successively, means responsive to received code combina- I tIOIISYOf 1m ulses for rocking said arm in and out of t e pathof said members whereby said members are operated in accordance with the code, and a selector disk individual to each of said members and controlled by said members for selectively permitting said rotating means to operate said disks in accordance with the operation of said members. p

8. In combination, a plurality of members arranged in a circumferential] path, an arm rotatably mounted and concentric with the circumferential path in whichsaid members are positioned, means for rotating said arm past each of said members successively, means responsive to received code combinations of impulses forrendering said arm operative or non-operative as it comes opposite each of said members, selector members individual to each of said first mentioned merrbers, saidrotating means tending to move said selector members to operated positions, a latching mechanism for each of said selector members for preventing the operation of said members, and means controlled by said operated members for releasing said selector member's whereby said members are moved to operated position undercontrol of said rotatinguneans.

9'. In combination, a rotating arm, a plurality of members arranged around the periphery of said rotating-arm, means responsive ,to received code combinations of conditions for rocking said rotating arm in and out of the path of said members as said arm approaches each of said members, a selector member individual to each of said first mentionedfmembers, each of said selector'members being operable to a plurality of positions, andmeans controlled by said first mentioned members for operating said selector members to one of its operated positions. i

10; Imcombination, aiplurality of selector disks, said selector disks having no normal position, asource of power tending to rotate said disks, latching devices for normally preventing rotation of said disks, arid means responsive to code combinations of impulses for selectively releasing said latch; ing devices to permit rotation of said disks by said source 'of'power.

11. In vcombination, a plurality of selector disks, each of said disks having a plurality of operated positions, a source of power tending to rotate each of said disks, latching means for preventing rotation of said disks, and means responsive tocode combi-' nations of impulses for releasing said latching means in accordance with the received codes for permitting predetermined rotations of said disks.

12. In combination, a plurality of selector members each havin a plurality of operated positions, a source 0 power tending to move said selector members to their operated positions, latching mechanism for normally preventing movement ofsaid selector members,

and means responsive to code combinations of impulses for operating said latching mechanism to releasesaid selector members whereby said selector members are moved to their operated positions by said source of power.

, 13. In combination, selector members having marking and spacing positions, a source of' power tending to operate said .selector members to marking and spacing positions, and means responsive to code combinations of impulses for releasing said source of power whereby said members are selectively operated to either of their operated positions.

I 14. In combination, a plurality of selector disks, eachtof said disks having a plurality of operative positions, a source of power tending to rotate each of said disks, latching devices for preventing rotation of said disks, means responsive to code combinations of impulses for releasing said latching devices in accordance with the received codes for permitting predetermined rotations of said disks, a rotating typewheel, a printing arm, and means whereby said operated selector disks control the operation of said printing arm against said typewheel at a predetermined position in the rotation of said typewheel. a

15. In combination, a plurality of selector members each having a plurality of operated positions, a source of power tending to move said selector members to their operated positions, latch mechanism for normally pre venting movement of said selector members, means responsive to code combinations of impulses for operating said latch mechanism to release said selector members whereby" said selector members are moved to their operated positionsby said source of power, a

type printeikhaving a plurality of characters, a setting arm for each character, and means whereby said setting arm individual to a predetermined character is rendered operative in response to a predetermined set ting of said selector members for printing said character.

16. In combination, a plurality of selector disks, each of said disks having a plurality of operated positions, a source of power tending to rotate each of said disks, latching devices for preventing rotation of said disks, means responsive to code coinbinations of impulses for releasing said latch-, ing devices in accordance with the received- 'codes for permitting predetermined rotations of said disks, a printer, and means whereby said selector disks in operated position selectively operatesaid printer.

17. In combination, a rotating arm, a plurahty of*sett1ng members arranged in the path of said'rotating arm, means responsive to code combinations of impulses for movmg said arm 1n and out of the path of said members, whereby said members are, variably operated, a continuously rotating typewheel rotating with said rotating arm, and means controlled by said setting members for causing the printing of one ofthe characters' on said rotating typewheel.

18.- Inicombination, a source of power,*a rotating arm, selector mechanism,- said source of power tending to rotate said arm and said selector mechanism, Imeans fornormally preventing the rotation of said selector mechanism, means controlled by said rotating arm for operating said preventing means for releasing said selector mechanism whereby it is rotated by said source of power, a. continuously rotating type wheel,

and means controlled by said selector mech-' anism for selectively operating said typewheel. I

19. In combination, a plurality of disks having holes, balls in said holes, a source of power, and means for selectively releasing said source of power to operate said disks in various combinations for aligning different combinations of said balls.

20, In combination, a plurality bf selectors, each having marking and spacing positions; asource of power for moving each' of said selectors from either one of its positions to the other; means individual to each of said selectors for normally preventing movement ofsaid selectors; and means responsive "to received code combinations of signalling conditions for selectively actuating said individual means to permit said source of power to operate said selectors to marking and spacing positions in accordance with received code, combinations of signalling conditions. l j 21. In combination, a plurality of selector members each having marking and spacing positions; a source of power for operating the selector members in the same direction from marking to spacing position or from spacing to marking position; means for normally preventing said source of power from operating said selector members; and means responsive to received code combinations of j,"marking and spacing conditions for selectively operating said last mentioned means to permit'said source of power to operate said selectors to marking and spacing positions in accordance with received code combinations.

22. In combination, a plurality of rotat able disk selectors each having marking and spacing positions; a source of power for operating said selectors in the same direction from marking to spacing position or from spacing to marking position means for normally preventing said source of power from operating saidf selectors and means responsive to receivedcode combinations of signal-- ling conditions for selectively operating said 7 spacmg to marking position; a member havtors, each having marking and spacing 'positions; a source of power for operating said selectors 1n the same drrection from marking to spacing position or from spacing to marking position; means comprising a latching arm individual to each of said selectors and arranged in a circumferential path for normally preventing said source of power from operating said selectors; a lever finger; means for rotating said finger in timed relation with received signalling conditions; and means responsive to said received signalling conditions for operating said lever finger into or out of 'the path of said latching arms whereby said arms are variably operated in accordance with the impulse conditions re- 20 ceived to release theirassociated selectors.

24. In combination, a pluralityof rotatable disk selectors, each having alternate marking and spacing positions; a source of power for operating said selectors in the same direction from marking to spacing position or from spacing to marking position; means, comprising a latching arm indi; vidual to each of said selectors arranged circumferentially with respect to each other for,

normally preventing said source of ower from operating said selectors; a lever nger; means for rotating said finger in timed relation with received code combinations of signalling conditions; and means responsive to said received code combinations of signalling conditions for operating said lever finger into or out of the path of said latching arms wherebysaid arms are variably operated in accordance with the impulse conditions received to release their associated selectors.

25. In combination, a plurality of selectors, each having alternate marking and spacing positions; each of said selectors being provided with a pair of lever arms; said lever arms being arranged in a'circumferential path; thelever arms of any one pair individual to a selector being arranged opposite to each other; a source of power for operating theselectors in the same direction from marking to spacing position or from mg two extensions; means for rotating said member in timed relation with received code combinations of whereby said member moves into operative I relation with each .of a pair of lever arms in succession; and means responsive to received code combinations of signalling conditionswhereby either one or the other extension 'of said member is moved into the path oi one of the lever arms with whidh'it is associated at the time whereby said lever arm is operated to release its associated selector for operation from the position it is in to its 1 alternate position.

- in timed relationwith respect to a received I position and vice 'versa; means responsive to signalling conditions,-

26. In combination, a plurality of rotat able disk selectors, each having alternate marking and spacing positions; each of said selectors being provided with a pair of lever arms; said lever arms being arranged in a circumferential path; the lever arms 0t any one pair individual to a selector being ar-. ranged diagonally opposite from each other; a source of power for operating the rotatable diskselectors in the same direction from marking to spacing position or. from spacing to marking position a finger having two extensions rlongitudinally displaced from each other; means for rotating said finger code combination of signalling conditions, whereby said finger moves into operative relation with each of a pair of levers in succession; means responsive to received code combinations of signalling conditions for 'moving said finger longitudinally whereby either one or the other end of said finger is moved into the path of one of the pair of lever arms with which it is at the time associated whereby said lever arm is operated to release its associated selector for operation to its alternate position.

27. In combination, a plurality of selectors, each having a plurality of marking and spacing positions; a pair of latches individual to each of said selectors, only one of each pair of said latches being in latching relation with its associated selector at a time; means responsive to received code combinations of signalling conditions for corre-. spondingly operating, one of each of said I pairs of'latches, whereby if a latching latch is operated the associated selector is moved to its alternate .selecting position from that in which it previously was latched and whereby if the non-latching latch is operated said selector is not operated, 28. In combination, a, plurality of selectors, each having a'plurality of marking and spacing positions; markin and spacing latches individual to each 0 said selectors; said spacing latch being in latching relation with said selector to prevent its operation when theassociated selector is in the spacing received code combinations of markin and spacing conditions for operating one 0 each of said marking and spacing latches individual to selectors in accordance with the code combination of conditions received whereby in response to a marking condition a marking latch is operated to release its associated selector-if the selector is in its spacing position at the time for movement to its marking position and the spacing latch I is not operated; and the marking latchis not operated in response to the spacing impulse while the spacing latch is operated in response to a marking impulse; the spacing latch being non-operative to effect the selec- 1 tor while the selector is in its spacing position.

29. In combination, a plurality of selectors, each having a plurality of marking and spacing positions; a pair of latches individual to each of said selectors, one of each pair of said latches being in latching relation with its associated selector at a time; a rotating element operating in timed relation with received signalling conditionspast each successive pair of latches; and means responsive to said signalling conditions for operating 'said element into the path of one of said pair of fingers in accordance with the character received for operating one or the other of each pair of latches, whereby if the latching latch is operated the associated selector is moved to its alternate selecting position and whereby if the non-latching latizih is operated, said selector is not operate 30. In combination, a plurality of members arranged in pairs in a circumferential path, each member of a pair being opposite from the other member of the pair; an element; means for rotating said element in timed relation with received code combinations of signalling conditions, whereby said elementis simultaneously in operative angular relation with each of apair of members and means for operating said element axially as it rotates whereby said element operates either one or the other of the pair of members with which it is at the time angularly associated.

31; In combination; a'plurality'of mem-' bers arranged in pairs in a circumferential path, each member of a pair being opposite from the other member of the pair; a finger; means for rotating said finger in timed relation with received code combinations of,

signalling conditions, whereby said finger is simultaneously in operative angular relation with each of a pair of members; means for operating said finger axially as it rotates whereby said finger operates either one or the other of thepair of members with which it is at the time angularly associated; selector members individual to each pair of said first mentioned members, each selector member having positions individual to each of its pair of associated members; said first mentioned members normallypreventing operation of said selector members; and means whereby when a predetermined one of said pairs of members is operated by said finger, its associated selector is'moved to a position individual tothe other of the pair of members by said first mentioned source ofpower.

32. In combination; a plurality of members arranged in pairs in a circumferential path, each member of a pair being 'diagonally opposite and longitudinally displaced from the other member of the pair; an element; means for rotating said element in 36. In a recorder element is simultaneously in operative relation with each of a pair of members; means for operating said element transversely as it rotates to operate either one or the other of the pair of members with which it is at the time associated; a selector member individual to each pair of said first mentioned members each having marking and spacing positions, one of the first mentioned members controlling its associated selector member in its marking position and the other of the. pair controlling its associated selector member in its spacing position whereby when the marking member is operated, the associated selector member is moved to its marking position and vice versa.

33. In combination, a plurality of selector disks, eachfprovided with a plurality of holes; balls arranged in said holes; means responsive to receive code combinations of signalling conditions for operating said disks in various combinations, the holes in said disks being so arranged that when said disks are operated in accordance with a pre determined code combination, certain of said holes are in alignment and the balls therein are in juxtaposition with respect to each other; a member individual (.01 each of said aligned positions and actuated when the balls individual thereto, are in alignment; and means for locking said members in actuated position.

34. In combination, a plurality of selector disks each provided with a plurality of holes; balls arranged. in said holes; means responsive to received code combinations of impulse'conditionsfor operating said disks in various combinations, the holes in said disks being so arranged that when said disks are operated in accordance with a predetermined combinations; elements loosely supported by said members adapted tobe brought into rigid alignment in differing combinations -at "the various printing positions of said typewheel; and means cooperating with said rigidly aligned elements for controllin 'said printing, said means thereafter being independent of saidrigid alignment.

a rotatable typewheel,

printing means coacting with said typewheel; a plurality of independently movable disks, each provided with a plurality of openings; elements carried in said openings; means controlled in accordance with received signalling conditions for selectively moving said disks to bring selected sets ofsaid elements into rigid alignment; and means individual to said sets of rigidly aligned elements and controlled thereby for selectively controlling said' printing means to cause 38. In combination; a plurality of selectors; a plurality of movable elements carried by said selectors; means responsive to received code combinations of signalling conditions for operating sai selectors to align predetermined ones of said movable elements, printing mechanism; means controlled by said aligned elements for selectively operating said 'printing mechanism; and means permitting said last mentioned means to operate in accordance with a received code combination while said selector members are reoperated in accordance with a succeeding code combination of signalling conditions. H

' 39. In combination; a typewheel; means i for rotating said typewheel; a. plurality of circumferentially arranged control elements; printing mechanism cont-rolled by said elements and coacting with said typewheel; rotatable means for operating said printing mechanism normally in non-operative position; a rotating member; means responsive to received code combinations of signalling conditions for positioning selected ones of said control elements in the path of rotation of said rotating member; and means controlled by said rotating member when it engages a control element for rotating said rotatable means causing actuation of'said printing mechanism. v

40. In combination, a typewheel; means for. continuously rotating said typewheel; printing mechanism coacting with said type wheel; a plurality, of control elements; a rotating member controlling said printing mechanism and controlled by said elements; means for selectively positioning said control elements in the path of said rotating member; and means actuated when said rotating member engages said control elements actuating said printing mechanism.

41. In combination a typevvheel; means for continuously rotating said typewheel;

code combinations of selecting conditions for selectively printing said numeral and letter characters in olfset relation with respect to each other; one only of said code combinations being used for each character to be recorded.

43. In combination; a typewheel having figures and letters case characters, all of said characters being angularly displaced from each other about said typewheel; and means responsive to equal length received permutations of marking and spacing conditions for selectively printing said figures and letters characters inoflset relation to each other, one only of said permutations being used for each character to be recorded.

44. In combination, a type carrying means having figures and letters casecharacters; means responsive to received equal length permutations of marking and spacing con ditions for selecting said characters; and means including a platen for printing the selected figures" and letters characters in offset lines Without causing relative shifting movement of said platen and sald type carrying means.

45. In comblnation, type carrying means having figures and letters case characters;

means'responsive' to'reeeived equal length permutations of marking and spacing eondltlons for selecting said characters; and

-mechanism including printing means for printing the selected figures a-nd letters characters in offset lines Without causing relative'shifting movement of said printing means and said type carrying means.

In combination, type carrying means having figures and letters case characters;

means responsive to received six unit permutations of marking and spacing conditions for selectin" said characters and mecha- 23 7 nism including impression means for printing the selected figures and letters characters in ofiset hnes without causing relat ve shiftmg movement of said impression means and said type carrying means.

47. In combination, a typewheel structur having figures and letters case characters; means responsive to 'received'equal length permutations of marking and spacing conditions for selecting said characters; and mechanism including impression means for printing the selected figures and letters characters in offset. lines without causing relative shifting movement of said impression means and said type carrying means.

48. In a printing telegraph receiver, .a typewheel having letters and figures arranged on a surface thereof in alternate position and displaced angularly with respect to each other, means responsive'to an equal length letter code for controlling the setting of said typewheel, and means controlled by one unit of the equal length letter code for determining whether letters on figures will be printed from said typewheel.

49. In a printing telegraph receiver, a typewheel having letters and figures arranged on a surface thereof in alternate position and displaced angularly with respect to eachother, means responsive to an equal length letter code for controlling the setting of said typewheel, and means controlled by one unit of the equal length letter code for determining the position of said type to align either letters or figures thereon for printing as determined by the character of vsaid unit of the letter code.

responding to each differen permutation,

means to operate one of. said members according to one setting of said elements,'and

detent means to maintain said member in selected position while said elements arebeing set in accordance with a new permutation. I

51. In a selecting device,"a series of elements, means to set saidelements in vary ing permutations, a series of pairs of members, one permutation of said elements acting to partially condition one of the pairs of members for operation, an element added to the series of elements and acting to fully condition one or the other of the partially conditioned pairbf'members; means to perate the fully conditioned member, j and means to maintain said member in operable position while all said element's arebeing set in accordance wit-l1 a new permutation.

52. In combination, a permutation selector including a plurality of selector'discsf a plurality of elements to be selected, means responsive to received code combinations of selecting conditions for selectively operating said discs to condition one bf said elements for operation, means to operate said conditioned element, and means for maintaining said operated element in operative position while said selector discs are reoperated in accordance with a succeeding code combination of signalling conditions.

' 53.111 combination, a permutation selector including a plurality of selector discs, a

plurality of elements to be selected, means responsive to received code combinations of selecting conditions for selectively operating said discs to move one of said elements into its operative position, and means for maintaining said selected element in operated position while said selector discs are reoperated in accordance with a succeeding code combination of signalling conditions.

5 1'. In a printing telegraph receiver, a constantly rotating typewheel, a stationary character indexing device including a plurality of elements to be selected, a character seeker rotating with said typewheel, means responsive to received code combinations of selecting conditions for selectively operating said indexing device to condition one of said elements for operation, means to operate said conditioned element, means for maintaining said operated element in co-opcrative relationship with said character seeker while said indexing device is reoperated in accordance with a succeeding code combination of signalling conditions.

55. In a printing telegraph, a series of characters divided into two groups, one of .said groups comprising letters case characters and the other figures case characters, a selectingdevice comprising a series of ele;; ments operated in varying permutations, a plurality of mechanical members, one corresponding to each letter case character and one corresponding to each figure case character, one permutation of saidelements acting to partially condition two of said members for ope-ration, one of said members corresponding to a character in they letters case group and the other to a character in the figure case group, an element added to; the series of permutation elements'and acting to fully condition one or the other of the two partially conditioned members,

means to operate the fully conditioned member, and'means to record the character cor;

responding to the member operated.

56. In a selecting device, aplurality of permutation elements each having a marking and "a spacing position, means tending to move each element, a marking latch; adapted to hold a corresponding element in ,spaclng position a spacing latch adapted to hold a corresponding element in -marking position, means to operate a marking latch to permit the corresponding element to as-g ioo sume its marking position, and means to operate a spacing latch to permit the corresponding element to assume its spacing position. .57. In a selecting device, a plurality of" permutation elements each having a marking select one of said elements, one of said perand a spacing position, means tending to mutation members actlng as the sole control move each element, a marking latch adapted to select the group.

to hold a corresponding element in spacing position, a spacing latch adapted to hold a corresponding element in marking position, and means responsive to received code combinations signalling conditions to operate a marking orv a spacing latch to permit the corresponding element to assume its marking or spacing position.

58. In 'a selecting device, a plurality of permutation elements each having a marking and a spacing position, means tending to move each element, a marking latch adaptedto hold a corresponding element in spacing position, a spacing latch adapted to hold a corresponding element in marking -ment selected wheel, 7

position, and a single magnet adapted to operate *marking or spacing latches in accordance with received codeccombinations of marking and spacing conditions to permit corresponding elements to assume marking or spacing positions.

59. In a printing telegraph receiver, a constantly. rotating typewheel, a stationary indexing device comprising a plurality of elements, means to select one of said elements according to the character to be recorded, and means to record from said typewheel a character according to the element selected Without stopping the typewheel.

60. In a printing telegraph receiver, a constantly rotating typewheel, a stationary indexing device comprising a plurality of elements to be selected, means to select one i of said elements according to the character to be recorded, one only of said permutations being used for each'element and one only of said Eharacters being assigned to each element, and means to record .from said typewheel av character according to the ele- .61. In a permutation device, a series of permutation elements movable in one direction only, each element having marking and spacing positions, and means to stop said elements in. either position.

62. In a permutation device, a series of permutation elements movable in one direction only, each element having marking and spacing positions, and electromagnetic means to stop said elements in either position.

63.. In a permutation device, .a series of permutation elements movable in one direction only, each element 'having marking and spacing, positions, and electromagnetic means comprising a single magnet to stop said elements in either position. i

64. In a printing telegraph, a series of ele- II ments divided into two groups, all of the elements' in each group having acharacteristic 'peculiar to the group, a series of permutatwo members,

without stopping. the typeeach permutation acting to a C. W. SWAN.