US2017854A - Stock quotation projecting machine - Google Patents

Description

Oct. 22, 1935. Din- N 2,017,854

' STOCK QUOTATION PROJ ECTING MACHINE OriginalFiled Jan; 29, 19:52 ZShe etS-Sheet 1 INVENTOR- flaaosrZZ Z7725 I By W ATTORNEY Oct. 22, 1935. A, I E 2,017,854

STOCK QUOTATION PROJECTING MACHINE 1 OriginaLFiled Jan. 29, 1932 2 Sheets-Sheet 2 W ATTORNEY Patented Oct. 22, 1935 STOCK QUOTATION PROJEC MACNE August 19. Eitzen, Rockville Centre,

N. Y., a 8- signor to News Projection Corporation, New York, N. Y., a corporation of New York Application January 29, 1932, Serial No. 589,555 Renewed January 19, 1935 12 Clan This invention relates to improvements in stock quotation projecting machines in general and more especially to stock quotation projecting machines adapted for use with high speed tickers.

Among the objects of the present invention, it is aimed to provide an improved stock quotation projecting machine in which a uniform tape pulling device is interposed between the ticker and the light aperture continuously to feed the tape from the ticker to the light aperture without interruption, both when the ticker is at rest and when printing and a tape rewind reel disposed at the discharge end of the light aperture to draw the tape across the light aperture.

smooth and even while passing across the light.

aperture.

These and other features, capabilities and advantages of the invention will appear from the subjoined detail description of specific embodiments thereof illustrated in the accompanying drawings in which Figure l is a front elevation of one arrangement equipped according to the present inven- Fig. 2 is a section on the line 2-2 of Fig. 1; Fig. 3 is a plan viewof the arrangement illus- 'trated in Fig. 1 omitting the screen and appurtenant parts;

Fig. 4 is a plan view of another arrangement equipped according to the present invention omitting the screen and appurtenant parts; and

Fig. 5 is an end elevation of the arrangement illustrated in Fig. 4 including the screen and appurtenant parts used with this arrangement.

In the arrangement illustrated in Figs. 1, 2, and 3, the tape feeding mechanism consistingof the rollers l and 2 of the high speed ticker-3 are diagrammatically illustrated as maintained in inoperatively spaced relation to the tape. The tape 4 is drawn from the ticker 3 by the tape pulling roller 5 in engagement with which it is maintained by the pressure roller 6, both operatively mounted on the housing I extending from the extension 8 of the lamp housing Q, I

The tape d is drawn across the light aperture it at. the upper end of the extension 8 by the rewind reel H mounted on the shaft l2 journaled in the bracket 53. The shaft 52 of the rewind reel l i has fixed thereon the sheave l2 which is connected to the pulling sheave it of the motor by the spring belt When the tape passes from the ticker tin a substantially straight line to and across the light aperture it, at. least face of the tape 4 faces upwardly, the double mirror screen housing ii is required. In otherwords the images projected will be received by the objective lens formed in the casing i8 supported in place by the bracket I9 extending from w the upper end of the extension 8 and from this objective lens the images are first directed onto the mirror 20, then deflected onto the mirror 29 a and finally deflected onto the screen 22.

Preferably the light aperture is provided with G a roller 23 at its entrance end and a roller 2:3 at its discharge end across which the tape t passes when passing from the tape pulling device to the tape rewind reel.

The tape pulling roller 5, see particularly Fig. 2, 25

is mounted on a shaft 25 journaled in the casing 26 which contains a reduction gearing which consists essentially of the large gear 21 mounted on the shaft 25 and in mesh with the small gear 28 mounted on the shaft 29 and the large gear 30 30 mounted on the shaft 29 and in mesh with the small gear 3! mounted on the shaft 32;

The shafts 29 and 3!! are suitably journaled in the casing 26, the shaft 32 extending beyond the casing and having fixed thereon the sheave 33 which is connected by the belt 34 with the pulling sheave 35 of the motor 36. The pulling roller 5 is preferably provided with lateral flanges 31 and 38 to form a guide for the tape and three spaced apart annular ribs 39, 4B, and 4| which will clear the inked characters on the marked tape 4 and thus protect the same from being blurred. The tape 4 is maintained in engagement with the tape pulling roller 5 by the pressure roller 6 which is mounted at the end of 45 "one arm of the lever 42 pivotally connected to the side of the casing 26. The other arm of the lever 42 isconnected by the spring 43 to the abutment 44. r The spring will resiliently maintain the roller 6 in engageme nt with the tape' and in turn drivingly anchor the tape 4 to the roller 5. l

The roller 6 preferably is also provided with three spaced apart annular ribs, to wit the ribs 45, I6, and 41 so that this pulling device can be so that the printed m i light p ture 10. The speed of the rewind reel II at its lowest surfacespeed will be maintained at a rate slightly faster than the rate of speed of the pulling roller 5 so that no slack can form 'in the tape at the light aperture i0. Furthermore according to the rate of speed of the ticker, the rate of speed of the pulling roller 5 will be regulated so that it will properly pull the tape out of the ,ticker to prevent characters being printed upon one another and furthermore to be spaced sufiiciently apart relative to one another to facilitate reading and yet not too far apart not only in the interest of the resulting picture produced but also in the interest of preventing the characters from becoming blurred as a result of the rate of movement of the tape through the ticker in excess of a predetermined rate relative to the, rate of speed of printing by the ticker.

Ithas been found that the maximum speed of the high speed tickers today in use print approximately at the rate of five hundred characters per minute. The control for the tape pulling roller 5 will thus be guided to pull the tape a through the ticker at approximately this speed, in order to obtain the picture today produced when the ticker itself feeds out the tape instead of depending upon the drawing roller 5 to feed it out of the tape. 4

. When the tape is moved through the ticker at the rate of about five hundred characters per minute, an infinitesimal part of tape would be moving, if at all, to wit only .03 inch during the printing interval of .03 second. This figure can be easily calculated from the fact that each cycle 5 of operation for printing a character with the high speed ticker in normal operation, comprises' selecting the type, printing on the tape and feeding-the tape. The printing action is apparently the shortestaof the cycle so that the printing operation consumes about .0005 minute per character, or approximately .03 'second per character. We also know by actual test that the tape is discharged from the printer during normal printing operation at the rate of about 62 inches per minute. In checking back we find that since the distance-from center to center of successive characters is about one-eighth of an inch on the tape so that 8 characters can appear within an inch, when we multiply 8 by 62 we obtain the figure 496, a figure very closely approximating 500, the

' approximate numberof characters per minute printed by the .normal :operation. From this alculation, we "find thatitthe tape discharged per second would be, about 1.03inches from which it'would appear that during the time that a character is printed, to wit .03 second, an infinitesimal part of tape would 'gh speed tick s when under be moving, to wit only .03 inch. It would thus be {apparent that, if at all, the tape would slip but slightlyto wit-.03 inch relative to the type during this"period,-an d this dista'nce oi slippage would be'so small that it would be invisible to the eye. .With regard to the time .03 second alloted to the printing part of the cycle in this calculation, consideration should be given to the fact that this includes the time required for the printing hammer to approach the tape and recede therefrom, in addition to the period of contact. From this,

'it would thus appear that the moment of contact of the tape between the type wheel and 5 printing hammer is considerably less than .03. second. Since this is the only moment when any resistance is offered to the free passage of the tape, it is thus apparent that the amount of slippage occurring, if any, is so slight as to be incalculable. However, when it is considered that the elasticity in paper tape or cellophane is fairly high, the yield would easily compensate for this slight retardingaction imparted to the tape during the printing movement and consequently still less slippage would take place between the tape and the type. Consideration, should also be taken of the fact that the type today used on the high speed tickers is composed of a yieldable substance, such as rubber and consequently the 20 slipping tendency of the tape would also be taken up by this rubber type.

From the foregoing, it would thus appear that due to the yieldability of the tape, to wit paper, cellophane or the like and possibly also the yieldability of the rubber type, when the momentary contact is considered, to wit the movement of less than .03 inch of tape in less than .03 second,

that so far as the eye is concerned, the vibration transmitted to the tape would be invisible. It would thus appear that the vibration transmitted to the tape would result in longitudinal vibrations that would be absorbed by the tape pulling roller as quickly as formed. There is no tendency to transmit lateral waves to the tape since the tape at the point of contact with the type wheel is 7 moved by the printing hammer less than .0156 inch, the hammer in the high speed ticker moving less than .03 inch in all and of course consuming about one-half that distance, to wit .0156 inch in approaching the tape.

While the vibrations transmitted to the tape by the ticker are so small that they are practically invisible to the eye, in view of the slight reel l I, so that the portion of the tape appearing at the light'aperture ill will be smooth and even at all'times.

From the foregoing, it will also appear that since the feeding rollers I, 2 which are generally knurled rollers are kept opened, the serrations ordinarily imparted to the tape by such -rollers will not be so imparted, that the tape pulling. roller 5 and pressure roller 6 are smooth faced rollers so that no'serrations will be formed on the tape. Consequently, the tape if made of a washable stock, such as a slow burning film stock, 50 can be subjected to a washing treatment after passing through this machine and reused, no serrations whatever being formed on the tape.

- In the arrangementillustrated in Figs. 4 and 5, the ticker 3' is disposed at an angle of about forty-five degrees to the path of movement of the tape across the light aperture l0 on the extension 8'. This relative arrangement of ticker and light aperture is provided so that the tape 4' may with facility -be twisted or turned at the point 48 so that its marked surface may face downwardly when passing over the light aperture l0. To guide the tape 4' at 48 so that it will-with facility make the turn required, there is provided the bent wire 49 secured in place by acme.

the bracket 50 mounted on the side of the easing 26'.

The eifective portion of the wire 49 is the extension 5l which is disposed in a horizontal plane and preferably at an angle of twenty-two and one-half degrees to the'path of movement of the tape across the light aperture.

With the arrangement illustrated in Figs. 4 and 5, a single mirror screen housing is provided, the images passing through the objective lens formed in the housing 52 mounted in place by the bracket 53 extending from the upper end of the extension 8 up to the single mirror 5% by which they are deflected onto the screen 55.

It is obvious that various changes and modifications may be made to the details of construction without departing from the general spirit of the invention as set forth in the appended claims.

I claim:

1. The combination with a high speed ticker in which the tape feed is disabled and through which ticker the tape may be freely drawn while being printed, of a tape pulling roller for continuously drawing the tape from the ticker and dissipating the vibrations transmitted to the tape by the ticker, a pressure roller for maintaining the tape in pulling engagement with said tape pulling roller, means for continuously actuating said tape pulling roller continuously to draw the tape through said ticker both when printing and i not printing, a rewind reel for pulling the tape across the light aperture of a projecting machine, a continuously running motor, and a slippage device for drivingly connecting said rewind reel to said motor to wind up the tape as fast as it is drawn from said ticker.

2. The combination with a high speed ticker in which the tape feed is disabled and through which ticker the tape may be freely drawn both during the printing action and when the ticker is at rest, of a tape pulling device disposed adjacent to the ticker for drawing the tape from the ticker both during the printing action and when the ticker is at rest and simultaneously dissipating the vibrations transmitted to the tape by the ticker, means for actuating said tape pulling device, a second tape pulling device for drawing the tape across the light aperture of a projecting machine as it is delivered thereto by the first tape pulling device, and a second actuating means for actuating said second tape pulling device.

3. The combination with a high speed ticker in which the tape feed is disabled and through which ticker the tape may be freely drawn both during the printing action and when the ticker is at rest. of a tape pulling device for continuously drawing the tape from the ticker both during the printing action and when the ticker is at rest, means for actuating said tape pulling device, a rewind reel for pulling the tape across the light aperture of a projecting machine, a continuously running motor, and a slippage device for drivingly connecting said rewind reel to said motor to wind up the tape after it has been drawn across the light aperture.

4. The-combination with a high speed ticker in which the tape feed is disabled and through which ticker the tape may be freely drawn both during the printing action and when the ticker is at rest, of a tape pulling device for continuously drawing the tape from the ticker, means for actuating said tape pulling device, a rewind reel travelling at a faster speed than the speed of said tape pulling device for cooperating with said tape pulling device both to pull the tape across the light aperture 01' a projecting machine and to maintain the same smooth and even at the light aperture, a continuously running motor, and a slippage device for drivingly connecting said rewind reel to said motor to wind up the tape after 5 ing said tape pulling device continuously to pull the tape from the ticker both during the printing action and when the ticker is at rest,- and a 15 rewind reel for pulling the tape across the light aperture of a projecting machine. I

6. The combination with a high speed ticker in which the tape feed is disabled and through which ticker the tape may be freely drawn both 0 during the printing action and when the ticker is at rest, of a tape pulling device disposed adjacent to the ticker, means for actuating said tape pulling device continuously to pull the tape, from the ticker both during the printing action and 25 when the ticker is at rest, a rewind reel for pulling the'tape across the light aperture of a projecting machine, and an idler at a higher level than the level of the rewind reel to cause the tape to exercise pressure on said idler when be- 30 ing drawn by said rewind reel in turn to cooperate with said tape pulling device to maintain the tape smooth and even at said light aperture.

7. The combination with a high speed ticker in which the tape feed is disabled and through 35 which ticker the tape may be freely drawn both during the printing action and when the ticker is at rest, of a tape pulling device disposed adjacent to the ticker, means for actuating said tape pulling device continuously to pull the tape from 40 the ticker both during the printing action and when the ticker is at rest, a rewind reel for pulling the tape across the light aperture of a projecting machine, idlers, said rewind reel pressing the tape against said idlers as it passes across 45 such light aperture. f

8. Thecombination with a high speed ticker in which the tape feed is' disabled and through which ticker the tape may be, freely drawn both during the printing action and when the ticker 50 is at rest, of a tape pulling device disposed adjacent to the ticker for drawing the tape from the ticker both during the printing action and when the ticker is at rest and simultaneously dissipating the vibrations transmitted to the tape by the ticker, and a second tape pulling device for drawing the tape acrossthe light aperture of a projecting machine as it is delivered thereto by the first tape pulling device.

9. The combination with a continuously operating tape pulling device for pulling the tape from a high speed ticker in which the tape feed is disabled and through which ticker the tape may be freely drawn both during the printing action and when the ticker is at rest, and idlers, and a second continuously operating tape pulling device disposed at a lower level than that of said idlers to pull the tape across the light aperture of a projecting machine as it is delivered by said first tape pulling device and pressing the tape against such idlers to maintain it smooth.

10. The combination with a continuously operating tape pulling device for pulling the tape from a high speed ticker in which the tape feed is disabled and through which ticker the tape may be freely drawn both during the printing action and when the ticker is at rest, of idlers, and a'second continuously operating tape pulling device disposed at a diflerent level than that of said idlers and operating at a relatively faster speed than that of said first tape pulling device topuil the tape across the light aperture of a projecting machine as it is delivered by said tape pulling device to press the tape against said idlers and thereby maintain it smooth while passing across such light aperture.

11. The combination with a ticker in which the tape feed is disabled and through which ticker the tape may be freely drawn during the printing action, of a light aperture, and a uniformly moving tape advancing roller independent of said ticker for engaging the tape between said ticker printing action, of a light aperture, a uniformly moving tape advancing roller independent of said ticker for engaging the tape between said 10 ticker and said light aperture in turn to advance the tape from said ticker to said light aperture and to dissipate the vibrations transmitted thereto during the printing action, and means for taking up the tape as it leaves said light aperture. 1

AUGUST D. EITZEN.

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