US1434479A - Display device - Google Patents

Description

I. CHERNOCK.

DISPLAY DEVICE. APPLICATION FILED JAN. 19. 1921.

1,434,47 9. Patented Nov. 7, 1922,

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a0 I BY 26 j ATTORNEY.

4 SHEETS-SHED 2 Patented Nov. 7, 1922.

A TTORNE Y.

I. CHERNOCK. DISPLAY DEVICE. APPLICATION FILED JAN- I9, 1921.

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I. CHERNOCK.

DISPLAY DEVICE. APPLICATION FILED JAN. I9, 192

Patented Nov. 7, 1922.

A SHEETS-SHEE] 3.

INVENTOR BY 3W A TOE.

I. CHERNOCK.

DISPLAY DEVICE. APPLICATION FILED MN 19, 192!- 1,434,479, Patented Nov. 7, 1922 v 4 SHEETS-SHEE'I 4. 1225/1 i 84 1 E as .4 6;; V as Patented Nov. 7,

DISPLAY DEVICE.

Application filed January 19, 1921. Serial 1%. 538,394.

To all whom it may concern:

Be it known that l, Ismonn Cnnnnoon, a subject of the Russian Government, and resident of Boston, in the county of Sudolk and State of Massachusetts, have invented a new and useful Display Device, ofwhich the following is a specification, reference being had to the accompanying four sheets of drawings, forming part thereof.

My invention relates to display devices, used more particularly for advertising pur poses, and has for its object to provide a display device which is designed primarily with a revolving magazine in which are arranged and housed a series of individual, floatable show-plates bearing various kinds of advertising matter thereon, and which show-plates are automatically and consecutively advanced to the exhibiting position in said. device as said magazine is being revolved therein.

Another object of the invention is to provide actuating means for intermittently revolving said magazine within said device for temporarily holding said magazine in a stationary and arrested manner to periodically' exhibit the advanced show-plate when said magazine assumes the exhibiting position'in the device.

Another object of the invention is toprovide a device, as hereinabove referred to, which is designed with an intermittently operated electrical illuminating system which focuses the light by suitable reflectors upon the exhibiting show-plate during the exhibiting interval thereof to oflsetthe same pronouneedly iii-the device to attract the attention of the onlooker thereto.

Still another object of the invention is to provide a simple, compact and inexpensive advertising device, WlllChlS attractive and ornamental in appearance, and which is a capable of automatically and continuously exhibiting a large selection of matter without adjustment or regulation and in a most unique and interesting manner, thereby yielding a most effective and reliable general advertising medium which is suitable for any and all of the different businesses or professions requiring advertising.

These stated objects and other incidental object which will appear as the descrip tion of the invention proceeds, are attained in the use of the mechanism illustrated in the accompanying drawings, and the invention resides in certain novel features which are hereinafter first fully. described and then more especially pointed out in the ap pended claims.

The terms employed herein are used in the generic and descriptive sensetodesignate the elements illustrated, and are therefore not primarily intended as terms of limitation.

In order to illustrate my invention, l have shown in the accompanying drawings an embodiment thereof wherein:

Fig. .lrepresents a front, elevational view of my display device, showing the magazine in the arrested position exhibiting a showplate, as plate #1;

Fig. 2 represents a fragmentary right side elevation of the device, showing the revolving magazine in section and empty and set in the arrested position;

Fig. 3 represents a similar view to Fig. 2, but shows the magazine in section and loaded and in the act of revolving;

Fig. 4: represents a perspective View of the top end of the magazine, showing the removable cover thereof;

Fig. 5 represents a schematic view showing the two sides of a show-plate used in the device and indicates that the matter appearing on the opposite sides of the showplate is reversely read;

Fig. 6 represents a fragmentary rear View of the device, showing the magazine set in the arrested position;

Fig. 7 represents a sectional view taken on line 7'? on Fig. 1; I

Fig. 8 represents a sectional view taken on line 88 on Fig. 2;

Fig. 9 represents a sectional view taken on line 99 on Fig. 7;

Fig. 10 represents a similar view to Fig. 7, but shows the magazine approaching the arrested position thereof shown in said Fig. 7

Fig. 11 represents a fragmentary, schematic, and diagrammatic view, showing the electrical lighting system employed in the device for effecting the required periodic illumination I Fig. 12 represents a sectional view taken on line 12-42 on Fig. 11;

Fig. 13 represents a sectional view taken on line 13-13 on Fig. 11;

Fig. 14 represents a sectional view taken on line 14-14 on Fig. 11.;

Fig. 15 represents an enlarged, longitudinal sectional view taken through the magazine turning mechanism of the device;

Fig. 16 represents a part of the preceding View but shows the locking mechanism in unlocked position;

Fig. 17 represents a view taken substantially on line 1717 on Fig. 15;

Fig. 18 represents a view taken substantially on line 1818 on Fig. 15;

Fig. 19 represents a sectional view taken on line 1.919 on Fig. 15;

Fig. 20 represents a right end elevational View of the magazine member, showing the contact plates of the illuminating system of the device; and I Fig. 21 represents an elevational view taken on line 2121 on Fig. 1, and shows the co-acting and stationary contact plates which are provided inthe frame standard and which are coupled with the wiring system of the device. I

Like numerals refer to like parts throughout the several views of the drawing.

The numeral 25 represents my display device in its entirety, and comprises a rigid frame member 26 which is preferably constructed of wood and which has the open area or magazine opening 27 provided therein, in which opening is fitted and rotatably supported the rotatable magazine member 28 of the device.

29 and 30 represent. respectively. the left and right hand standards of the frame member 26, which are preferably of the hollow type. as indicated in the drawings; the left-hand standard 29 preferably accommodating the magazine actuating mechanism, as indicated in Figs. 8 and 15.

The magazine member 28 is preferably provided with the central bearing plates 31 and 32 on the left and right hand sides thereof. which are secured. to said sides 33 and 34, respectively. as shown in Fig. 8. The plate 31. is preferably provided with the square hole for receiving the square section 36 of the driving shaft 37. as shown in Fig. 15, which shaft is rotatably supported in the bearing plates 38 and 39 se cured to the sides 40 and 41 of the left-hand standard 29, while the other plate 32 is provided with a round hole to receive the end of the supporting shaft 42 which is supported in the right-hand standard 30 and held against lateral movement therein by the collars 43, asshown in Fig. 8.

Both the driving shaft 37 and the supporting shaft 42 of the magazine member 28 are designed to slidably engage within the bearing plates 31 and 32 provided therefor on the magazine member; and the standards 29 and 30 of the frame member 26 of the device are preferably provided with the openings 44 in the outer sides thereof (shown in Fig. 8) which permit said shafts 37 and 42 to be slidably withdrawn from the engaged positions with the supporting plates 31 and 32 of the magazine member 28. In such event it Will be noted that the magazine member 28 becomes disengaged from the device and may be conveniently removed therefrom, which may be desirable occasionally for repairing. cleaning or reloading purposes.

The frame member 26 is provided with the base section 45 in which is preferably positioned and concealed the motor M which drives the magazine actuating mechanism. of the device. Said motor is preferably provided with the beveled driving gear 46 which drives the shaft 47 through the beveled gear 48. Said shaft 47 is rotatably mounted in the gear casing formed between the plates 49 and 50 which are positioned parallel in respect to each other and are rigidly retained in said position by the spacing bolts 51 (Fig. 15). Said shaft 47 carries the gear 52 secured therewith. which gear in turn engages with the gear 53 which is mounted and fixed on the rotatable stud 54 to rotate therewith. Said stud 54 also carries secured thereto the gear 55, which engages with the gear 56 mounted and fixed on the rotatable stud 57 to rotate said stud, and which in turn rotates the gear 58 carried thereon. Said gear 58 drives the upright shaft gear 59 which is secured by cotter pins or the like 60 to the upright shaft 61 which has the lower end thereof mounted in the gear casing plate 49 and the upper end rotatably mounted in the bearing plate 62 which is supported in the standard 29 on the partition 63 provided therefor (Fig. 15).

It will here be noted that the gear casing just described, is securely retained within the device and provides a train of gears which serves to greatly reduce the relatively high speed of the motor M to the requiredslow speed of the magazine member. The upper part of the upright shaft 61 carries secured thereto, as by the cotter pin 64. the intermittent beveled gear 65. which, as shown in Fig. 18. is provided with teeth through 180 degrees of arc, while the bal ance of the circle is blank. Said intermittent gear 65 carries secured thereto. on they underside thereof, as shown in Fig. 15. the cam'disc 66 which is provided with the trigger trip portion 67 which intermittently engages with the locking trigger 68, said trigger being pivotally supported in the forked lugs 69 provided on the plate 39 for the purpose. The plate 39 is provided with the trigger spring 70 which is secured thereto at 80 and is sprung against the trigger III l ,asim'e 68, as shown inFig. 15, for forcing the same into its locking position. 81 represents the magazine shaft beveled gear, which is coupled with the magazine shaft 37, secured thereto in any suitable manner as by means of the cotter pin 82, and provided on the rear with the forked trigger lugs 83 for forming the trigger slot 8 1 therebetween to engage the trigger 68, as shown in Figs. 15 and 17, for locking the magazine in the arrested position of the device, which is shown in Figs. 1 and 2.

The top of the frame member 26, on the front side thereof as shown in Figs. 1 and 7, is preferably provided with the longitudinal reflector member 85, which is open at the bottom 86 to reflect the light from the incandescent lamp 87 provided therein downwardly and against the exhibiting win dow of the magazine member 28, when the latter is set in the arrested position. The reflector member 85 may be supplied with a front plate of translucent glass 88, which may have printing matter thereon, as indicated. in Fig. 1, to direct the attention of the onlooker to the exhibiting. window of the magazine member 28 positioned below it.

The magazine member 28 is built like a box with the upper and lower compartments 00 and 91, respectively, which are separated by the longitudinal partition 92 which is transversely positioned (as shown in Fig. 7 in said magazine member, with respect to the front and rear walls of said magazine member, to provide the front and rear spaces 93 and 94, respectively, between. it and the front and rear walls 95 and 96 of the mega zine member. The top and bottom of said magazine member are preferably provided with the removable lids 97 and 98. respectively, which, as shown, are slidably fitted within grooves provided in the front and rear walls of the magazine member and are retained in locked position by means of the clips 99, as shown in Figs. 4. and 8. The top and lower sections of the front and rear walls 95 and 96 are provided with the display windows 100 and 101, respectively, which are so dimensioned to. exhibit therethrough. in registrable manner, the showplates P which are preferably set in the frames F provided therefor and which frames a re set adjacent to each other in the magazine coin iartn'ients 90 and 91. as shown in Fig. 7.

The display windows 100 and 101 of the magazine member may be provided with the transparent glass plates .102 and 103, respectively, if desired. The depth of the magazine compartments should be made suflicient to freely accommodate. by the provision of a little clearance, an uneven and odd number of frames F, as eleven for example.

shown in Fig. 7 in the lower. compartment.

The spaces 93 and 9-1, which open one compartment to the other of the magazine member, are made of sufficient depth to freely pass a single frame F therethrough, as is shown in Fig. 10.

105 and 106 represent, respectively, the front and rear magazine hoods which are preferably of sheet metal secured to the magazine member and provided with the open sections 107 which expose the display windows 100 and 101 of the magazine member (Figs. 1 and 7), the translucent glass plates 108 which are preferably supplied with pen manent signs, as indicated in Figs. 1 and 6, the transverse longitudinal. translucent glass plates 109, and the incandescent lamps 110 which are set in sockets provided therefor on the side 34 of the magazine member 28.

The side 34 of the magazine member 28 is provided at the top and bottom thereof, as shown in Fig. 20, with the top and bottom contact plates 115 and 116, respectively, and with the upper intermediate set of contact plates 117 and 117 and the lower intermediate set of contact plates 11S and 118, as shown in Figs. 11 and 20. Said upper set of contact plates, to wit, 117 and 117, are coupled with the wires 117 and 117 as shown in Fig. 11, which lead to the magazine lamp 110 housed in the front hood 105 of the magazine member 28; while the lower set of contact plates 118 and 118 are simi' larly coupled with the lamp 110 in the rear hood 106 of the magazine member 28. The side 120 of the standard 30 is provided, as indicated in Figs. 8, 13 and 21, with the contact plates 121 and 121 which engage with the magazine contact plate 115 when the magazine member 28 is delivered in the arrested position shown in Fig. 11, and which close the circuit for the lamp 87 of the reflector member 85 at the top of the frame member 26 of the device and cause the lamp to be lit up, which results in casting the light against the display window 102 of the magazine member at which window is being exhibited the show-plate P. Said side 120, as indicated in Figs. 8, 11, 12 and 14, is provided with a set of contact plates 122 and 122' which are coupled, as indicated In Fig. 11, with the mains of the wiring system and register to make contact with the contact plates 117 and 117 of the magazine member 28, as shown in Fig. 11, or the lower set of contact plates 118 and 118, when the magazine is rotated the 180 degrees and said contact plates are brought into register with. said contact plates 122 and 122. The contact plates 117 and 117 are connected. by conduits 11? and v117 to the lamp indicated at 110. In the latter case, it will also be noted that the lower contact plate 116 of the magazine is also brought into register with the contact plates 121 and 121 supplied. at the top of the side 120 of the frame member 26.

As indicated in Fig. 6, the motor M of the device may be electrically coupled with the mains, and suitable means, such as the switch or rheostat S, may beemployed to control the operations of the motor. As further indicated in said'Fig. 6, the frame member 26 ot the device may be designed with the removable back-boards 125 and 126, which are retained in the device by means of the pivoted clips 127 and 128, re spectively, and the lower back-board 129 which is retained in set position in the device by the pivoted clips 180.

By means of said removable back-boards the entire working mechanism housed in the frame member 26 of the device may be exposed, and is thus available for repairing, cleaning or replacing purposes.

Having thus described the parts of my invention in detail, it will be understood that the magazine member 28 is rotatably mounted in the device and is periodically actuated by the mechanism supplied in the frame member thereof. Said mechanism is designed to turn the magazine member on its bearings through an angle of 186 degrees, when the magazine member is arrested and held stationary for an interval 01 time, during which arrested period the plate P within the magazine member which is nearest to the exhibiting window on the front ct the device, is exposed for exhibition; the arrested position being the upright position shown in Figs. 1, 2, 7, 11 and 15. The turning of the magazine member 28 is effected through the operations of the shaft 37 which is driven by the motor M through the train of reduction gears supplied therebetween. Any other suit-able form of driving mechanism may be employed, as a hand wound spring mechanism, for example,-in place of that shown in the drawing.

The intermittent gears 65 and provide for the turning of the magazine member through 180 degrees and for subsequently holding the same stationary while the gear 64; completes its full turn. During the period of turning of the gear 81, the cam 67 is so engaged with the trigger 68, as shown in Fig. 16, as to hold said trigger in the unlocked position, while during the idle interval of the beveled gear 65, said cam allows said trigger to become locked with the magazine gear 81. Thus, when the intermittent gear 65 is in mesh. with the magazine gear 81, the cam 66 forces the trigger 68 to clear the lugs 83 and assume the unlocked position, as shownin Fig. 16; while when said gears are out oi? mesh, the trigger is forced into locking position with the lugs 83 by the action of the spring '70 thereagainst, as shown in Fig. 15.

It will thus be noted that the aforesaid locking feature assures the device of a positive means for retaining the magazine member 28 in the arrested and upright position during the entire exhibiting period thereof.

The mechanism employed in rotating the magazine member of the device is of a continuous operating type, and the revolutions per minute, as well as the length of the arrested period of the magazine member, may be designed to yield the desired result by the proper proportioning of the reduction gears employed.

The magazine sections or compartments are loaded with show-plates through the sliding top and bottom 97 and 98, which are removable from the magazine member for the purpose. The lower section is initially loaded with an odd number of plates P (as 11 forming the lower tier), which plates are preferably mounted in frames F, and which frames may be made of wood or metal, according as desired.

Any number of show-plates may be accommodated in the magazine member by suitably proportioning the depth of the interior thereof; it bein understood that su'tiicient clearance is required to allow for the free setting of the frames therein and to prevent the crowding thereof in the compartment of the magazine member. The top section of the magazine member is initially charged or loaded with an equal number of frames to that provided in the lower section, less one, making the upper tier composed of an even number of plates (as ten, for exam ple) against the odd number eleven provided in the lower compartment.

While 1 have shown a partition 92, which reaches across the magazine member from side to side and which besides supporting the uppertier of plaques, serves also as a brace tor the magazine member, it should be here noted that said particular construction is not absolutely necessary, since the main purpose, which. is the supporting feature -tor the upper tier of the plaques, may be effected by supplying side runs or brackets on the inner sides of the magazine member instead as indicated in Fig. 8.

Fig. '7 represents the initial setup of the show-plates in the magazine member, with the latter set in the arrested or upright'position, when it will be noted that the showplate X of the upper tier, which is nearest to the display window 100, rests on the partition 92 of the magazine member, while the last plate Y in the top compartment, which is alsoin the upper tier, rests through the space 94 on the plate 27 of the lower tier. which plate Z sets adjacent to the display window 101 of the rear side 96 of the magazine member 28.

The turning of the magazine member 28 in the direction of the arrow shown in Fig. 3 from the position just explained in Fig. 7, causes the plates in the upper compartment 90 in back 01 the showplate X to work forward by gravity,forcing thel'plate X from its resting position on the partition 92, and {ls the angular position of the magazine member changes (as indicated in Fig. 3) allows said plate K to move, as indicated in Figs. 3 and 10, within and through the space 93 to pass from the top compartment to the lower compartment of the magazine member. Similarly, the rotating of the magazine member will effect the change of position of the plate Z from the lower compartment to the upper compartment through the space 94; and thus it may be understood that the rotation of the magazine member will automatically efiect a continuous and consecutive advancing feature of the show-plates therein which will continuously and in turn pass each. plate through a defined circuit from one compartment to'the other as long as the magazine member 28 is kept revolving. The arrested period of the magazine member, which occurs subsequent to the delivery of each plate to'the exhibiting position, allows for a prolonged exposing interval for exhibitingthe exposed plate and holding it stationary while the onlooker is provided an opportunity to read the subject-matter contained .thereon.

As will be understood, each show-plate may be provided with distinct advertising or exhibiting matter, as word signs or phrases, or graphic representations, according as may be desired; and when employing two display windows in the magazine memher, as is here disclosed and which obviously exposes both sides of the show-plate at dif ferent intervals, the matter on the rear side of the show-plate should be printed thereon reversed tothat on the front side, as is indicated in Figs. 5 and 1 and 6. Plate #2, which appears reversed in Fig. 6 when the magazine member is rotated 180' degrees, will be brought in the position of plate #1 shown in Fig. 1, when the plate will. be set properly for reading purposes.

The device is provided with an illuminating system, which isdesigned to attract attention to the exhibited show-plate. Said illuminating system is designed to be in termittently operated and in synchronism with the turning feature of the magazine member. In that regard it will be noted that only in the arrested position, as indicatedby Fig. 11, does the contact plate 115, carried/on the magazine member, engage to make contact with the stationary contact plates 121 and 121. of the frame standard. So, too, only inthe arrested position of the magazine member do the contact plates 117 and 117" on the magazine member make contact with the contact plates 122 and 122, respectively. Contact between the plates 115 and 121 and 121, as shown in Fig. 11, closes the circuit to cause the reflector lamp 87 to glow and contact between the contact plates 11'? and 117 and the contact plates 122 and 122', respectively, closes the circuit to cause the lamp 110 on the front side of the device to glow. Therefore it will be understood that during the arrested period of the magazine member and naturally while the showplate at the front display. window of the magazine member is being exposed-the light from the top reflector of the device is cast downwardly against the exhibiting window of the magazine member, and also the lamp 110 within the hood through the glass plate 109 casts a flood light upwardly against the show pla te and thus the light from. the top reflector and the hood light is so focused onto the show-plates being exhibited as to pronouncedly show up the same in. the machine and to appear very attractive in the machine. I

Thereafter, it will be noted, when the magazine member or" the device is caused to rotate and move away from the aforesaid upright or arrested position, that the corn tact plates of the magazine member disengage from. the respective contact plates on the frame standard and the lamp circuits become opened and both the top and hood lamps cease to glow. Then as the magazine member keeps turning so that the back of the magazine member is advanced to the front of the device and assumes the upright position, it willbe noted that the contact 116 engages with the contact plates 121 and 121 andcloses the circuit to light up the lamp 87 and the lower set of contact plates 118 and 118 engage with the contact plates 122 and 122', when the circuit is closed to the lamp 110 in the rear hood 106 which is now positioned at the front of the device. Thus again will the lights be focused on the display window of the magazine member, and will continue to glow as long'as the magazine member is held in said arrested upright or exhibiting position. in that manner. the deviceis periodically illuminated to display distinctly and attractively each and every showplate during the interval of ere hibition thereof; and the peculiar characten istics presented to the onlooker, both by the revolving feature of the magazine member and the constant and periodic flashing at each interval and in synchronism with the advancing of the different "show-plates, serves to greatly intensify the interest and curiosity of the onlooker, and thus render the device invaluable for advertising purposes.

The device is simple in construction and automatic in its operations, and may be set in a window or any other convenient place; and as may be understood, may bedesigned to handle a great variety of advertising or display matter in a unique and advantageous manner without adjustment or regulation, and may be operated with or without the lighting system, according as may be desired. The show-plates may be changed in the magazine member from time to time, and new matter may be presented to the public through the device as often as may be desirable.

While the preferred embodiments of my invention have been described in detail, it will be understood that I do not wish to be limited to the particular construction set forth, since various changes in the form, material, proportions, arrangement of parts, and in the details of construction, may be resortedto without departing from the spirit andscope of the invention, or destroying any of the advantages contained in the same, heretofore described and defined in the subjoined claims.

IEIaving thus described my invention in detail, what I claim as new is:

1-. A display device comprising a frame member; a revolving magazine'member rotatably supported in said frame member and provided with display windows and a series of floating display plaques adapted to be gravity actuated in said magazine member to move in a circuit and consecutively approach said display windows thereof for being exhibited therethrough; means for periodically rotating said magazine to effect the aforesaid plaque moving feature in said magazine; means for holding said magazine in the upright and exhibiting position in. said frame member; and automatic illuminating means comprising a normally opened electric circuit arranged on one of the members and bridging contacts having in circuit therewith a lamp carried by the other of said members, said bridging contacts adapted to close the light'circuit when the magazine member is set in the exhibiting position of the device.

2. A device of the character described, comprising a rigid frame member; a hollow casing member rotatably mounted in said frame member and having display openings in the front and rear walls thereof and provided in the inner compartment thereof with intermediate means for supporting and dividing the hereinafter mentioned series of exhibiting plaques into two separate tiers, one above the other, said plaques being set adjacently together in said tiers in upright position and said supporting means being also positioned intermediate the front. and rear walls of said hollow casing member to provide clearance spaces on each side thereof for passing single plaques therethrough from one tier to the other; a series of individual exhibiting plaques consisting of an odd number of plaques. stacked in two tiers within said casing member and adapted to be continuously shifted in a circuit in said casing member to cause each plaque to be periodically exposed through the display openingsof said casing member; means for rotatably revolving said casing member in said frame member for automatically shifting the position of the plaques housed in said casing member to cause the plaques therein to approach the exposing positions in said device; means for temporarily arresting said casing member when assuming the exhibiting position in said device; andcooperating electrical contacts arranged on the rigid frame member and the hollow casing member for automatically illuminating the exhibiting window of said casing member when the latter is in exhibiting position.

3. A. device of the character described, comprising a rigid frame member; a hollow casing member rotatably mounted in said frame member and having display openings in the front and rear walls thereof and provided in the inner compartment thereof with intermediate means for supporting and dividing the hereinafter mentioned series of exhibiting plaques into two separate tiers, one above the other, said plaques being set adjacently together in said tiers in upright position and said supporting means being also positioned intermediate the front and rear walls of said hollow casing member to provide clearance spaces on each side thereof for passing single plaques therethrough from one tier to the other; a series of individual exhibiting plaques consisting of an odd number of plaques stacked in two tiers within said casing member and adapted to be continuously shifted in a circuit in said casing member to cause each plaque to be periodically exposed through the display openings of said casing member; means for rotatably revolving said casing member in said frame member for automatically shifting the positions of the plaques housed in said casing member to cause the plaques therein to approach the exposing position in said device means for temporarily arresting said casing member when assuming the exhibiting position in said device; means for securely locking said casing member during the latter interval; and cooperating electrical means arranged on the frame and casing members for automatically illuminating the exhibiting window of said casing member during said temporary arresting period of said casing member.

l. A device. of the character described, comprising a rigid frame member; an intermittent revolving magazine member provided with exhibiting windows therein and rotatably supported in said frame member and provided with a series of plates arranged vertically in two tiers in said magazine member and adapted to be shifted therein in circuit fashion from one tier to the other by the gravity action set up therea-gainst through the revolving feature of said magazine member causing each plate to members for illuminating the display Windows of said magazine member duringthe 10 exhibiting interval of the device.

In Witness whereof, I hereunto afiix my signature, this fifteenth day of January, 1921.

ISIDORE i CHERNOGK.

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