Патент USA US2114290код для вставки
April 39, 1938. A. D. EITZEN 2,114,290 FLUID CONTROLLED TAPE FULLER Original Filed'July 25, 1929 3 Sheets-Sheet l fProQrjza_ 5.341 INVENTOR Apri? 19, 1938. A. D. EITZEN 2,114,290 FLUID CONTROLLED TAPE FULLER Original Filed July 25, 1929 21 3 Sheets-Sheet 2 12’ INVENTOR BY WKD ATTORNEY Apri? 19, E9 A. D. ElTZ-EN > 2,114,290 FLUID CONTROLLED TAPE FULLER Original Filed July 25, 1929 15 Sheets-Sheet 5 Projecfar INVENTOR ATTORNEY 2,114,290 Patented Apr. 19, 1938 UNITED STATES PATENT OFFICE 2,114,290 FLUID CONTROLLED TAPE PULLER August D. Eitzen, Rockville Centre, N. Y., assignor to News Projection Corporation, New York, N. Y., a corporation of New York Application July 25, 1929, Serial No. 380,854 Renewed January 5, 1937 3 Claims. (Cl. 271-23) My present invention relates generally to stock ticker apparatus, and has particular reference to a stock ticker projection machine, or the like projection machine. Ln It is well known that a stock ticker, adapted to discharge marked tape, operates in an irregu lar manner depending upon the transactions re corded thereby. Accordingly, the marked tape emanates from the stock ticker at constantly varying rates of speed, and where this tape is de signed to pass through a projecting device, it is necessary to provide mechanism for drawing the tape through the projecting device in a manner which takes into account the varying rate of feed 15 into the projecting device. It is a general object of my present invention to provide a stock ticker and a projecting device with automatically controlled mechanism for drawing the tape through the projecting device at substantially the same rate of speed as it is fed thereto. A particular object of my invention is to pro vide an apparatus which does not have any re course to electrical switches, relays, or similar 25 control devices and which is therefore devoid of 2O all the di?iculties that might be caused by spark ing, friction, etc. A particular feature of my invention lies in the provision of an apparatus which employs a fluid 30 medium for effecting the automatic control con templated. Brie?y, I provide a fluid pump and a ?uid motor, cooperatively associated with each other and with a tape-pulling mechanism so that the latter will operate automatically, smoothly 35 and reliably at rates of speed substantially pro portional to the rates of speed at which the marked tape is caused to emanate from the stock ticker. Although my invention contemplates broadly 40 the employment of a fluid medium, certain ad vantages are achieved by the use of a gas such as air, for in such an event I am enabled to accom plish an additional object appertaining to the cooling of the interior of the projecting device. 45 In general, it is an object of my invention to provide an apparatus which is simple in struc tural nature, inexpensive from a manufactur ing standpoint, and reliable in operation. 50 For the attainment of the foregoing objects and such other objects as may hereinafter appear or be pointed out, I have illustrated several forms of my invention in the accompanying drawings, in which-— Figure l. is an elevational view partly in sec 55 tion of an assembly embodying ‘the features of my invention; Figure 2 is a plan View of Figure 1; Figure 3 is a fragmentary cross-sectional view taken substantially along the line 3—-3 of Fig ure 2; Figure 4 is a view similar to Figure 1 illus trating a modi?cation; and Figure 5 is a plan view of the apparatus of Figure 4. I have shown a data recording device, the stock ticker l0, adapted to discharge a marked tape H, the latter being fed, as at 12, into a projecting device I3 and emanating from the lat ter as at M. The projecting device may be of usual construction embodying a main housing within which illuminating means are provided and a lateral housing through which the tape passes and above which an objective lens H3 or the like is adapted to throw or project the beam of light upwardly onto a suitable screen. I have also shown a tape-pulling and re-winding mecha 10 0 nism designated generally by the reference numeral I6. As the tape approaches the pulling mechanism it passes under a guide roller ll, thence over a pulling roller l8, thence beneath a guide roller [9, and ?nally onto a mandrel or the like 26. The mechanism presently to be described for ro tating the pulling roller I8 serves by means of the belt or thong 2! also to drive the mandrel 20, whereby the tape II is not only kept taut but is eiiiciently drawn onto and wound upon the man drel 2!]. A spring-pressed guide roller 22 bears upon the tape as it passes over the pulling roller 35 l8. In accordance with my present invention, I drive the pulling roller l8 by means of a fluid motor 23, the shaft 24 of the latter carrying a worm 25 which meshes with a worm wheel 26 mounted upon the pulling roller iii. In the illus trated form, the motor 23 is a rotary one adapted to operate by means of a gas such as air, the inlet 21 being axially positioned whereby the air passes outwardly as shown most clearly in Figure 3 through suitable vanes or blades 28 so as to ro tate the shaft 24. The exhaust or discharged air or gas passes out through the outlet con duit 29. The air supplied to the motor 23 for driving 50' the latter comes from a similar rotary fluid de vice 30 which is constructed to operate as a pump and which may, for example, be provided with vanes such as those shown at 3|. This pump is driven by means of an electric motor 32 or from 65 2 2,114,290 a similar source of power, and the air discharged therefrom passes into a conduit 33 leading to the inlet opening 21 of the ?uid motor. The pump 38 is constantly driven and the auto matic apparatus which I provide serves to control the amount of ?uid transmitted from the pump 38 to the motor 23. I have illustratively shown a butter?y valve 34 positioned within the conduit 33. The adjustments of this valve are auto 10 matically controlled by mechanism which oper ates in timed relation to the discharge of tape from the ticker Ill. Thus, a roller 35 bears by gravity upon the tape ll as the latter emanates from the ticker l0, this roller being carried on the 15 end of a control lever 36 pivoted at 3? to a ?xed portion of the machine. A control rod 38 is piv otally associated at 39 with a midportion of the lever 36 and is pivotally associated at 40, at its lower end, with a lever 4! attached to the valve 20 34. A counterweight 42 is preferably provided so that a minimum amount of work need be ac— complished by the rod 38. The parts are so constructed and proportioned that the valve 34 will be entirely shut when the 25 ticker ID has ceased to operate. Under these con ditions, the nature of the pump 38 is such that no breakage or damage will be caused since the air or similar ?uid pumped thereby will simply circle and flow around within the pump 30 itself. 30 As soon as the ticker l0 begins to discharge tape, a slack is formed between the ticker Ill and the projecting device l3, and the roller 35 will there fore be caused to drop. This will lower the rod 38 and cause the valve 34 to open. As soon as this 35 occurs, air will be pumped through the conduit 33 to the motor 23, thereby causing the latter to operate and to drive the tape-pulling mechanism. The faster the ticker Ill discharges tape, the lower the rod 38 will fall and the greater the valve 34 40 will open. Accordingly, the motor 23 will be caused to operate at a varying rate which is pro portional to the varying rate of discharge of tape from the ticker Ill, and in this way the desired smooth and reliable automatic operation is ac 45 complished. Where air is employed as the medium, I cause the conduit 29 to communicate with the interior of the projecting device l3 so that the air dis charged from the motor 23 will pass into the de 50 vice l3 and cool the latter. After the tape ll leaves the roller 35, it will pass under the friction ?nger F pivotally mount ed on the projecting device 53 so that it may en gage the tape ll at the entrance end of the light 55 aperture and press the tape into frictional en liquid. The discharge outlet 55 of the motor 48 communicates with a return conduit 57 lead ing to the pump 55. The latter may be driven by means of an electric motor 58. The conduit 53 is provided with a valve 53, as U! previously described, in connection with the con duit 33, and the adjustments of these valves are controlled by mechanism similar to that pre viously mentioned and including, for example, the control rod 60. 10 The employment of liquid in this manner en ables me to provide an entirely self-contained system wherein it is only necessary from time to time to replenish that small amount of liquid which may be lost by possible leakage; and this replenishment may advantageously be accom— plished by means of a ?lling opening or the like 6!. In both of the embodiments herein illustrated and described, it will be obvious that the cost of 20 operation is extremely small, if not wholly negli gible, since the ?uid medium is extremely ?ex ible and inexpensive. At the same time, it is to be noted that an e?icient automatic control is provided, accomplishing highly desirable objects heretofore achieved by mechanism far more com plicated and expensive. It will be obvious that changes in the details herein described and illustrated for the purpose of explaining the details of my invention may be made by those skilled in the art without depart ing from the spirit and scope of the invention as expressed in the appended claims. It is there fore intended that these details be interpreted as illustrative and not in a limiting sense. lustrated its use, what I claim as new and desire to secure by Letters Patent is— 1. A tape drawing mechanism for drawing marked tape across. the light aperture of a pro to jecting machine having a tape pulling roller be yond the discharge end of the light aperture, and a control apparatus for the drawing mech anism, said apparatus comprising a continuously operating electric motor, supplying a predeter mined power force, a rotary ?uid pump continu ously driven by said motor at a predetermined rate of speed, a rotary ?uid motor beyond the discharge end of said light aperture operatively connected to said pulling roller, a conduit ex 50 tending from said pump to said motor to supply ?uid and thereby pressure to said motor, and means operable in timed relation to the supply of tape to the light aperture for controlling the ?uid and thereby the pressure fed through said conduit to said motor, said controlling means gagement with the abutment A at the entrance end of the light aperture. Since both the ?nger F and roller 35 engage the upper face of the tape ll, it will be seen that the roller 35 assists the 60 ?nger F materially to iron out the vibrations transmitted to the tape by the ticker. comprising a control lever, a roller carried by the free end of said control lever and adapted to rest on the tape and respond to de?ections in In Figures 4 and 5 I have shown a modi?cation wherein a liquid medium is employed. A ticker 43 discharges tape 44 which passes through a pro 65 jecting device 45 and thence through a tape-pull control lever at the entrance end to the light aperture, a second lever ?xed to the pivot point of said valve and having two arms extending in ing mechanism 46 onto a mandrel or similar re winding mechanism 4?. A rotary motor adapted to operate with liquid is shown at 48 and the shaft 49 thereof carries a worm 58 which drives 70 the pulling and re-winding mechanism. The motor 48 may, for example, be provided with vanes 5| as shown most clearly in Figure 5, and the inlet 52 is provided at one end of a conduit 53 leading from the discharge end 54 of a rotary 75 pump 55 similarly constructed to operate with to CI Having thus described my invention and il the tape at the entrance end to the light aper- ’ ture, a valve in said conduit disposed below said opposite directions from said pivot point, a link " connecting one of said arms with said control lever, and a weight formed on the other arm of said second lever. 2. A tape drawing mechanism for drawing marked tape across the light aperture of a pro jecting machine having a tape pulling roller be yond the discharge end of the light aperture, and a control apparatus for the drawing mechanism, said apparatus comprising a continuously oper ating electric motor, supplying a predetermined 75‘ 3 2,114,290 power force, a rotary ?uid pump continuously driven by said motor at a predetermined rate of speed, a rotary ?uid motor beyond the discharge end of said light aperture operatively connected to said pulling roller, a conduit extending from said pump to said ?uid motor to supply ?uid and thereby pressure to said ?uid motor, and means operable in timed relation to the supply of tape to the light aperture for controlling the ?uid and 10 thereby the pressure fed through said conduit to said ?uid motor, said controlling means com prising a control lever adapted to engage the tape and respond to de?ections in the tape, a valve in said conduit to regulate the passage 15 therethrough, a second lever operatively connect ed to said valve, and a link connecting said sec ond lever with said control lever to position said valve according to the de?ection in the tape. 3. A tape drawing mechanism for drawing 20 marked tape across the light aperture of a pro jecting machine having a tape pulling roller, and a control apparatus for the tape pulling roller, said apparatus comprising a continuously operat ing electric motor, supplying a predetermined power force, a rotary air pump continuously driv en by said electric motor at a predetermined rate of speed, a rotary air motor operatively connected to said pulling roller, a conduit extending from said pump to said air motor to supply air and thereby pressure to said air motor, and means operable in timed relation to the supply of tape to the light aperture for controlling the air and thereby the pressure fed through said conduit 10 to said air motor, said controlling means com prising a control lever adapted to engage the tape and respond to de?ections in the tape, a valve in said conduit to regulate the passage therethrough, linkage operatively connecting said 15 valve with said control lever to position said valve according to the de?ection in the tape, and a dis charge conduit from said air motor to the pro jecting machine for conducting the discharged air to the projecting machine to ventilate the 20 same. AUGUST D. EITZEN.