US1288114A

US1288114A - Picture-display apparatus.

Info

Publication number: US1288114A
Application number: US12510416A
Authority: US
Inventors: Archibald Robertson Mitchell
Original assignee: Individual
Current assignee: Individual
Priority date: 1916-10-11
Filing date: 1916-10-11
Publication date: 1918-12-17
Anticipated expiration: 1935-12-17

Description

A. R. NHTCHELL. FlCTURE DISPLAY APPARATUS.

APPUCATION FILED OCT. 11.1915.

Patented 110C. 17, 1918.

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A. R. MITCHELL.

PICTURE DISPLAY APPARATUS. APPucANoN msn 0m11.191s.

1 ,288 ,1 14. Patented Dec. 17, 1918.

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A. R. MITCHELL.

PICTURE DISPLAY APPARATUS. APPLKCATION FILED OCT. ll. 1916.

l ,288,1 14., Patented Dec. 17, 1918.

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n YARCHIBALD nonnnrsony MITCHELL, or Lennon, ENGLAND.

PICTURE-DISPLAY APPARATUS.

inseam.

Speccaton of Letters Patent.

Patented Dec.v 1f?, 1391.8.

` Application filed October 11, 1916. Serial No. 125,104.

To all tti/wm t may concern.' Y

Be it known that I, ARCHIBALD ROBERTSON MITCHELL, a subject of His Majesty, the King of Great Britain, and resident of London, England, have invented certain new and useful Improvements in Picture Display Apparatus, of which thel following isa speciication.

rllhis invention relates to an improved picture display apparatus of thelrind wherein a number of pictures composed of registering picture portions or sections are' successively displayed. l,

rlhe object of my present invention is to provide a machine which can be utilized to display ordinary printed posters.

rlhe advantage possessed'by such a machine as l propose will be readily Aappreciated when it is remembered thatrmechanical advertising machines of the general character to which my invention relates sutler from the disability that the seriesl of pictures which the machine displays cannot be readily changed and another series substituted.

With my improved machine any picturev of the series can be readily removed and another substituted in its place, and moreover if it is desired to display at. any time any ordinary poster of the sizeof the machine all that is necessary is to cut the poster up into strips and attach these strips to the machine.

The invention consists broadly in providing a number of movablestructures adapted to support removable and interchangeable picture or poster strips or sections and to move the strips or sections into and out of display position. Preferably the poster sections are held in tension between the ends of two or more arms. 4

In order that the'invention-m'ay be vreadily understood and carried into practice,`reter ence ishereby made to the accompanying drawings in which is illustrated a practical embodiment of the invention. In thev apparatus depicted, live pictures are capable of being shown in succession at predetermined intervals of time, each picture being composed ot six sections.

n Referring to the drawings Figure l is a front view of a picture or poster displaying apparatus arranged in accordance with my invention, with a portion of the wood framework broken away.

Fig. 2 is a rear elevational View of the apparatus with the wood framework and some of the poster sections removed for clearness. F ig..3 is a side elevational viewot Fig. 2.

Fig. t is a sectional plan view of .part 'ofV the apparatus shown inFigs. 2 and 3.

igt is an enlarged plan view of a part of Fgs.,2 and 3. l c

Fig. 6 is an enlargedelevational view of a part of Figs. 2, 3 and 4.*

7 is a plan View of. Fig. 6.

Fig. 8 is an renlarged detail of a part of Figs. l, 2 and 3. I

Fig..9 is a section of Fig. 8. f

Fig. lO is an enlarged elevational view of a detail/of the apparatus shown in Figs. 2,' 3, and 4, and Y..

Fig. 1l is a section on line A-A'o'f Fig. l0.

Referring to these drawings wherein like numerals indicate corresponding parts wherever occurring, the' numeral l. designates the picturevor poster section, the top and bottom corners of which are folded over thin metal plates 2, the said corners being clamped down by means of clips 3, whichfsecurely hold the' top and bottom parts of theY poster sections to the plates 2.V These plates are heldin position onthe ends of the'radial supporting arms 4 by means'of thefprojecting buttons or studs 5 (see particularly Figs. 8 and 9) which arel tiXed to the ends of the said supporting arms, the enlarged ends of the studs passing through holes in the plates 2 when the latter are pressed on. It' willA be appreciated that the operating mechanism of the apparatus is in duplicate, one setoperating the upper radial arms and the other set the lower radial arms, while the movements of'these two sets of mechanism areiarranged to synchronize as will behereinafter explained.

The supporting arms 4g are preferably made of'liexiblel material such as strip steel so that when the plates 2 carrying the picture or poster sectionsY are placed in' positionY the picture sections will be maintained in a stateof tension.

. Each one of the radial supporting arms is bent at right angles/the ends to which the plates 2 are attached being maintained in vertical planes while the othervparts of the arms are in horizontal planes as'willv be reall-l ily understood by reference to Figs. 2 and 3V of the drawings.

The ends of some of the horizontal parts of the arms 4 are rigidly secured'to the proj ecting lugs 6 ot the brackets or cages Y, the other ends being also rigidly attached to lugs formed on the sleeves 8. The cages and sleeves carrying the radial supporting arms 4 are arranged to turn freely on the xed spindles 9, and are also provided. with projecting ends 1G to which are pivotally connected the ends ot the levers 11, the other ends of these levers being connected to Athe cross-bars 12, which in turn are connected at 13 to the curved bell-crank levers 14. These bell-crank levers are pivotally mounted if on fixed spindles 15, and are connected together by means ot tie-bars 16.

Certain oit the bell-crank levers 14 are provided with short

arms carrying rollers

17 and 18 as may be seen particularly in Figs. 4 and 7, adapted to contact with cams 19 and 2O respectively mounted upon the rotatable shaft 21. Each pair of

cams

19 and 20 are arranged one above the other in such a manner that the lower cam only contacts with the roller 17 while the upper cam 20 contacts only with the roller 18, as will be readily understood by reference to Figs. 6 and 7. The contour of the camsy is such that the levers 14 are positively locked in both the normal and operative positions.

Y Rigidly secured to the shaft 21 is a star wheel :22 provided with ten pointed members and engaging with these pointed members are two pins 23 fixed to the toothed wheel 24 which .is loosely mounted on the fixed shaft 25.

Also loosely mounted on this shaft is a sleeve 26 carrying the worm wheel 27 and toothed wheel 28, this wheel gearing with another wheel '29 connected by means ot' a sleeve with the toothed wheel 30, said sleeve being also loosely mounted on the auxiliary fixed shaft 31. Gearing with the worin wheel 27 is a worm 32 driven by the shaft 33, and this shaft is coupled by means ot the flexible connection 34 to the shaft of the motor 35. The operation oit the apparatus is as follows: 0n starting up the motor, the worm wheel 27 is caused to rotate, by means ot the worm 32, so causing the toothed wheel 24 also to rotate at a certain predetermined speed through the medium of the wheels S28, 2.9 and 30 which constitute a suitable reduction gear. As the wheel 24 slowly rotates the pins 23 will be caused to engagey with the star wheel 22 once in every revolution of the wheel 24, and this will have the eiectof turning the star wheel and also the shaft 21 an amount equal to one fifth ci a revolution. Each time the said star wheel and shaft are so operated the cams 19 are also moved a corresponding amount, and one of the levers 14 in the upper part of the apparatus will be moved in unison with corresponding 1cver 14 in the lower halt ot the apparatus, the respective sets ot levers 11 and 1Q connected to these levers 14 being 4moved at the same Lasalle A tinieso operating the ltoppand bottom radial Y arms carrying the sections of one picture or posterV to be displayed.Y it will thus be seen that for each picture or vposter displayed one set ot cams and connecting levers in the upper part ot' the apparatus is moved in unison with la corresponding set in `the lower part of the apparatus and. thus the necessary synchronous movement, of the radial arms carrying the top and'bottoin ends ot the picture or poster sectionsY is'obtained.

Each set of cams so operating together are arranged at suoli an angle'to the set next'opf. erated that the picture sections in the dis-H played position are withdrawn betere the next set or" picture sectionsare brought into.

the displayingl position. l if i in ordei to bring tue radial arms 4 pioperly to register in their required positions and also to minimize any.; vibration that might be set up,

other suitable material may be provided,

supported by members 37 arranged near the trent ot the apparatus as-shownin Figsfl and 3. 'f f To provide tor the illumination ot' the displayed pictures or posters atV night, lamps 38 may be provided situated in the vinterior` of the apparatus, and in order that the lights may be put out at the pictures or posters, a make and break device is included in the lamp circuit. This device may conveniently take theformV of a. plate 39 (see particularly Figs. 2, 3 and 5) with a part or" its edge-cut away, which` plate is carried by the pins 23.V Arranged above this plate and normally in contact with it is a' small block 40 of insulating mabuners 36 or' rubberpor.

the moment of changing n terial attached to the underside of a lat spring 41 which carries at one end a termi@` nal 42. immediat-ely above this f terminal is another terminal 43 carried by the fixedsupport 44. Normally. the ,block 40 is maintained above the top surface of the plate 39 against the action ot'thespring 41 Vso closing the contacts between the

terminals

42 and 43 and consequently the lamp.circuit,.but at the moment of changing one picture or poster for another, the block 40 would `drop slightly owing to plate 39. breaking was again raised by means of the-wedge like n action between the block and the edge of' thev said plate.

An alternative method of illuminating to provide lamps in a convenient position outside the apparatus, preferably near the inner edges 44 ofthe framing 45, so that the displayed pictures or posters would be illuminated from the outside instead of the inside of the apparatus. Y n What l claim and desire to secure by Let ters Patent is 1. A picture display apparatus compristhe cut away part of ther This would have they-eil'ect of' the lamp circuit until the block` ing means :for carrying a number of pictures each consisting of separated flexible strips, means for maintaining tension upon each strip, means for causing certain of the strips to register together side by side in abutting relation in the same plane, and means for separating the flexible strips forming the displayed picture one from the other and carrying them out of display position whereby different complete pictures made up of separate flexible strips are successively displayed and removed from display position in sequence.

A picture display apparatus comprising means for carrying a number of pictures each consisting of separated flexible strips, means for removably attaching each strip to its carrying means, means for maintaining tension upon each strip, means for causing certain of the strips to register together side y side in abutting relation in the same plane, and means for separating the llexible strips -forming the displayed picture one from the other and carrying them out of display position whereby different complete pictures made up of separate'flexible strips are successively displayed and removed from display position in sequence.

3. A picture display apparatus comprising radial swinging arms for carrying a number of pictures each consisting of separated flexible strips, means for maintaining Copies of this patent may be obtained for five cents each,

tension upon each strip, means for causing certain o' the strips to register together side by side in abutting relation in the same plane, and means for separating the flexible strips forming the displayed picture one from the other and carrying them out of display position whereby different complete pictures made up of separate flexible strips are successively displayed and removed from displaying position in sequence.

4f. A picture display apparatus comprising radial swinging arms of resilient material for carrying and holding separate flexible picture strips in tension, means for removably attaching each strip to its carrying means, means for maintaining tension upon each strip, means for causing certain ot' the strips to register together side by side in abutting relation in the same plane, and means for separating the flexible strips forming the displayed picture one from the other and carrying them out of display position whereby diderent complete pictures made up of separate liexible strips are successively displayed and removed from display position in sequence.

In testimony whereof I alilx my in presence of two witnesses. v

ARCHIBALD ROBERTSON MITCHELL. Witnesses:

VINCENT HUGHES, DAISY EVERY.

signature by addressing the Commissioner of Patents,

Washington, D. C.