US1483894A - kiwul - Google Patents

Description

Feb; 19 1924.

A c. KIWUL MOTION PICTURE momma Filed July 3. 1919 5 Sheets-Sheet 1 ,6 M fd/VENZOH BY 5i 4%0mv5r Feb. 19, 1924. 1,483,894-

C. KIWUL MOTION PICTURE MACHINE Filed July 5, 1919 s Sheets-Sheet 5 warn R ar C A TTORIJEY Feb. 19 1924.

c.K| wu| MOTION PICTURE MACHINE Filepl July 3. 1919 SSheets-Sbeet 4 III/III];YIIIIIII/IIII/IIIIIII[III/IL1 6M (NYE/TOR qrmmsv FIG. 6

Feb.

C. KIWUL MOTION PICTURE MACHINE Filed Jul 3, 1919 5 Sheets-Sheet 5 FIG. ll

1 Tia all concem;

Patented Feb. 19, 1924.

UNITED? STATES PATENT ()"FF-TQEL. a

' omnrns KIWUL, or NEW Yorngn. r.

1 'MOTION-PICTURE MACHINE."

application filed m1} 3, 1919. ,Serial No. 308,642.

,..Be it known that I, CHARLES KIWUL,- a citizen ofrR ussia, and-resident of New York city, in ,the county of New York and State of; New: York, have invented certain new and usefullmprovements in Motion-Picture Machines, of which the following is a specification; I i V .j The invention relates toia motion picture machineiofpthe -typein which ,the picture film is passed across-the beam of light with aicontinuous motion; v E v iThe primary object of theginventio-n is to providean im roved formofmachineofthe type above de nod and in which the picture I is maintained steady; on the. display screen free'ofthe objectionable flicker so objeetionable in motion picture machines of the type in which the film is fed intermittently.

-'. impose the succeeding images in the sequence in which they appear on the film.

Incidental to this-last desideratum it is another. object of the invention to provide a lens construction which will compensate for the motion of the picture film and which will travel with the film at a speed relative thereto so as to maintain the proj'ected image fixed on the screen.

Anotherobject of the invention is to pro vide a simple form of the device of the class disclosed in which the several movable parts may be adjustedto inwre proper focus and the like.

Various other objects and advantages of the invention will be in part obvious from an inspection of the accompanying drawings and in part will be more fully set forth in the following particular description of one form of mechanism embodying my in-.-

vention, and the invention also consists in certain new and novel features of construction and combination of parts hereinafter set forth and claimed. I

In the accompanying drawings Figure 1 is a view in side elevation of a portion of a motion picture machine con- Stituting a preferred embodiment of the invention;

Figure 2 is a horizontal sectional view taken on the line 22 of Figure 1;

Figure 3 is a side elevatignal-yiewiof device l lfi g t a-ip t m fi heis mei seen from. p, the left hand 1- side of Figures 1 n W t e, qnt Jen z x mo eg s' gur 4 i si -i lv git .dm1...s .aa1aa of one, of the lens constructions shown .inithe p qed ngfiau esa Figure 5-; IS .a plan Qv iew; off. the ,ldevice 'shown'm Figure 54:; ea

3 .Figures 6 toll; inclusive;arqdeta lfiiviews e t eza n i r iagea h u leaves s d 5 F e i hein at e pil n new .ofa hv ear? riege .demo n e roa wthe ryin has; F re=1 tbeinge atrers arseseshenalimi n. ta nionr l 1 o Figu sffli u efi i s-Plan .r w r? the be g. bl e i which 'Iis mounted, in. p the socket-shown in Figure 6 andgFigure 9 --being;a-trai1sverse sectional; .view taken, onthe: line 9 9 ,of Figures; t

F igure 10 is a erg nt-sec i a ;m w taken on i the line' 1Q 1Q4,;of Figure ,3V .and with. certain .of-the' parts .as shoviimdiagrammatically;

Figure llis' a side elevational viewaof-the device shown. in Figure 10 Figure :12 is a .yerticalsectional view taken throu h the guide blocks shown-in Figure 3 and takenon thei'line l-2 l2; Figure-13 is a=diagrammaticshowin of the movable reflectors, on a scale-larger t an that shown in Figure'iipand .FigurejM is a transverse sectional viewtaken on the line 14-44 of Figure-11 In the following-description and in the claims, parts will be identified by specific names for convenience of expression but they are intended to be as genericin their application to similarparts as the art will permit.

In the accompanyingdrawings, there is shown a bed-plate 10 having an extension 11' at one side thereof constitutinga lamp base for carryingthe source'of light (not shown) as is usual in such constructions. A

relatively massive standard 11 projects upi wardly from the top of the base and constitutes a support for the film supply reel .13. A take-up reel 14 is suspended from a bracket lfipositioned on the underside of the bed-plate 10 and below the reel 13. "A mechanism supporting bracket 16 is demountably fastened to the standard 11 and provides a support adjacent its upper end for a freely rolling guide sprocket 17 and a take-up sprocket l8 constituting continuously acting v film actuating mechanism for drawing the film 19 from the supply reel 13 to pass the same continuously across the aperture 20 in an aperture plate 21 and finally to'pass the film onto the take-up reel 14: as is usual in devices of this type in which the film is caused to be moved contihuously in distinction from the intermittent feed across the aperture plate as is usual in well known forms of such devices.

The film is of the conventional type and includes a series of succeeding picture units 22 (see Figure 3) having the usual length between the succeeding dividing lines The length of the picture units, that is the distance between succeeding lines 23, will be referred to hereinafter as unit picture len hs. The bracket 16 is provided with a U-s aped extension 24, the front portion of which constitutes the aperture plate 21 and which-extension is demountably fastened to the bracket by screws 24. An endless belt of movin 'reflectors 25 are mounted to move periodica yacross the primary-optic axis a-,b of the machine centered in the aperture opening-20. The reflectors are of the triangular piism type and are positioned in hollow'frames 26 fixed to the outer side of an endless belt 27. This belt is passed about vertically spaced apart' sprocket wheels 28 mounted upon shafts 29 jonrnalled at opposite ends within the bracket 16 and its extension 24= as shown more particularly in Figure 1'. The reflector-s are spaced apart longitudinally ofthe belt and have alength substantially equal to the picture unitlength, hereinafter defined. The reflectorsare spaced apart a distance so that when movin acrossthe opticaxis they will be space aparta-di's'tarji'ce substantially equal to said unit picture length. The reflectorsmove in a. synchronisrn with the picture film andare so ositioned that a reflector will be opposite eac alternate picture unitin the film when the film picture; and the movable reflectors are passing across the aperture. A= stationaryreflector 30 similar to the movable reflector is positioned in the primary optic axis ab and beyond the path of travel ofthe movable reflectors. The reflectors; both stationary and movable are disposed to reflect-the light impinged thereon in the same general ldirction to one side of the machine. In somecases it may be desirable to place in the path of light additional reflectors 31 and 32 in such positions as to make the total length} of thepath of the lightfrom the film to the screen when reflected from the moving reflectors equal to the length of the path of light and reflected from the stationary reflector. The reflector 31 faces the movable reflectors when positioned in the primary optic axis and the reflector 32 faces the stationary reflector 30. Tracing out the path of light reflected out of the primary the movable reflectors it is seen from Figure 2 that the light is bent at right angles, is directed along the leftsecondary optic axis cd if the mirror 31 isiised thence along the screen optic axis d-e. Similarly the light reflected from the primary optic axis by the stationary reflector along the optic axis b-f to the mirror 32, if it is used, and thence along the screen optic axis f-g to the display screen. The movable reflectors are moved at the same speed as the film and to insure this cooperation the carrying belt 27 is driven from the power mechanism which drives the film. This mechanism includes a main shaft 33 provided with a driving pulley 34 at one end and by means of which the machine may be operatively connected to some suitable motor to drive the same. In the alternative the mechanism may be actuated manually from a power shaft 35 through the rotation of the handle 36. The shafts 33 and 35 are connected through the meshed gearing 37. The shaft 35 carries the pulley 106 at. one end thereof so as to actuate the take-up mechanism and is also operatively connected to drive the movable reflector belt. This connection is provided-b means of the bevel gear connection 38, whic drive from the shaft 35 through thebevel gears 39, the last element of which is fastened to an extended part of the shaft 29 carrying the lower-of the sprockets 28. By this means the rotation of either of the shafts 33 or 35 will move both the film and the reflectors in unison and at the same speed across the primary optic axis A series of travelling lens constructions 4:0, hereinafter specifically referred to as the left-hand lens construction is mountedto move the-lensesacros's the-optic axisand similarly a right-handlens-construction 41 is similarly designed tomove a series of lens across the optic axis bf As these construct-ions are similar inform except'for the reversal of positions, thedetailed description of the left series will be sufficient for the right hand series except for obvious changes in position. The lens construction 40 is mounted upon a shiftable base plate 42 positioned on the plate 10. A pair of uprights 43 project upwardly from and are movable with said base plate. A lens actuatingshaft -t is journalled in the upri 'hts and ls-freo to move longitudinally for a limited distance in its hearings in the support 46. The shaft is driven from the main shaft 33 through the gear train 15, the last member of which is keyed to the shaft 44 so as to drive the same in its different positions. The gear train is mounted in a support 46 lifted to the plate 10 which support also forms an end bearing for the main power shaft 33. A lens guiding block 47 is. fixed to a supporting bar 48 which is slirlahly ionnted in said uprights and is hand in adjusted position therein by a set axis by screw 49.; This bar also-extends through the support 46 and is secured thereto by a set screw 50. The block is of a frusto-conical form substantially elliptical in cross-section 6 with opposite sides flat, as shown in Figure 12 and provided with a pair of annular guiding'slots 51 and 52. a

A pair of chain driving sprockets 53 and 54 are fixed to the shaft 44 adj acent the inner sides of the uprights 43. These uprights also provide supports for a pair of idler sprockets 55 and'56 disposed respectively above the sprockets 53 and 54. The sprockets 53 and 55"are of a larger diameter than the sprock- 16 ets 54' and 56. A relatively long chain 57 is passed about the sprockets 53 and 55 and a relatively short chain 58 is passed about the sprockets 54 and 56. A plurality of fiat lens supporting bars 59 herein shown to be four in number, extend between and are fastened at'opposite ends tothe chains by means of flexible joints 60 which permit movement of the bar in two planes at right angles to=each othe1f relative to the'chains as shown in Figure 5.

andadapted to engage in the s ots 51 and 52) as the lens constructions about the guiding block 47.

"The bar 59 is'contained within a slot 66 formed on the underside of the'cover and are revolved which'slot enlarges in'c'ross-section from the center towardsopposite ends thereby to permit rotary mov1iient.of'='the frame relative toth'e bar's..' "-Thi's freedom of relative rotary moyementis facilitated by journalling' waftur ntable 67 at'thefcenter of the slot and inbuntiiig'jthe bar slidablyin a slot 68 formed inthe't irn'tabki The lens 62 is not of conventional form but is quadrangle in lan in Stead of theusualcircular'forin. he distance between; the." centers of the sprockets 54'and 56'is smaller than'the corresponding distance between the sprockets 53 and The relative sizes and distances are'chosen so that the chain 57 makes a complete revo so lution in the same time as the shorter chain 58. This latter chain being shorter moves with al s'peed l es'sthan the speed of the longe'r' 'chain 57. The difference in speed of the two chains'is chosen so that'one moves faster 55' and the other moves slower than the lens should move in order to compensate for the motion of the film andto maintain the resulting picture steady on the screen.

The speed of the objective lenses may be adjusted by fastening the set screw 50 (Figure 3) loosening the set screw 49, and then shifting the plate 42. The shaft 44 slides in the support 46 and in the gear 45 l to 'which it is operatively connected. The

lenses are held in position by the block 47 through the medium of the slots 51 and 52 engaging the ribs 64 and 65. Asone of the chains is moved closer to the guiding block 47, the other chain recedes from the block and b this means the speed of the lenses is cause to approach the speed of that chain which is moved towards the lens. In this way the speed of the lenses is varied within certain limits independently of the speed of the film.

If the set screw 49 is fastened, the set screw 50 loosened, and the plate 42 shifted, then the whole system of lenses, the chains 57 and 58, and their supports, moves as a unit without affecting the speed of the lenses. In this way the distance between the-objec tive lenses and the picture film is varied, and thus the picture can be focused on the screen.

The base 42 is fastened in position to' the main base 10 by means of the slot and screw The lens frames are steadied in their path of movement across the secondary o ticaxis 'by an engagement with" upstan g guides 70 and 71 positioned on the outsides of the path of movement of the bars 59. The bars are each provided with wings 72 extending laterally from adjacent ends thereof and are designed to engage in slots 73 (see Figures '10, 11-and'14) in the up-" standing guides 70 and 71. The parts are so proportioned that the wing ends travelling in the slots will cause the lens to move steadily across the secondary optic axis. For the purpose of facilitating the movement of the lens from the rectilinear path and about the top and bottom of theguide block 47, an inverted U-shapedtripping member 74 is pivotally mounted above theguide block on the extension 75- fromthe support 43. Onearm 76 constitutes a receivin arm andis provided at its lower end with an-outturned finger 77 for engaging the outer'side of the wings as their associated'lens constructio'ns move towards the top of the guide i IL '1 i The other arm 78 is relatively'shorter' so as topermit thev advance edge of the wing which is shorter'than its rear'arm to clear the lower'end'of the arm and permit the rear edge of the wingto engage this arm 78 as shown in FigurelO. A spring 79 acts on the U-member to maintain the same normally inposition and'pins 80 a-nd'81 act to limit abnormal swinging movement of "said U-m'ember. The movement of the lens constructions from their rectilinear to their succeeding circular paths and vice verse. is additionally facilitated and shock on the system minimized by means of a plunger 82 positioned in a recess 83 drilled through the guide block at the place where the lens frame engages the guide block adjacent its upper portion. The plunger is maintained in pro jected position by means of a spring 84 and is connected through the recess by means of a coiled spring with a second plunger 86 on the opposite side thereof. This second plunger is normally flush with the side of the block 47 so as not to interfere with the movement of the lens construction. By this construction it is understood that as the lens construction moves into the position on the downward movement as shown to the left of Figure 10, the impact of the lens frame engaging the guide block is cushioned by the plunger 82 and any excessive impulse imposed on this plunger will be transmittedthrough the spring 85 and imparted to that lens frame on the opposite side which is just about to leave its rectilinear path. The plunger 86 acts upon this oppositely disposed lens frame to push the same into its circular path at the top of the guide block. It has been shown that-the speed of the objective lenses may be varied by moving the two plates 42 upon which the two sets of lens constructions are mounted.- Under some conditions it may be desirable to adjust both plates 42simultaneously and for this purpose amanually jactuated shaft 87 is arranged to be connected at will to both of the plates. The'shaft is'provided atits front end with a finger piece 88, projecting forwardly of the machine, as shown in Figure 1. A pair of pinions" 89 and 90 aremounted upon this shaft and each pinion engages respectivel with racks 9i and 92constitut ing part 0 each of thepl-ates 42. The pinions are provided with hubs which are fasf tened to the shaft by means of set screws 93 and 94 so arranged that with the two setscrews tightened the rotation of theshaft will shift both of the lens constructions;- With one of the hubs loose on the shafts-the, actuation of this shaft wilLmovethe plateassociated with' the fixed hub, thereby providing for relative movement between the two sets of lens construction. 7

The synchronizing of the movementsofthe left and right hand set of objective lens constructions is accomplished by mounting the actuating gears in proper positions ontheir respective shafts. Further means are provided to correct any inaccuracy in phasedue to mounting or due to other causes. For this purpose the shaft 95 in the right handseries of objective lens constructions, corresponding to the shaft 44 hereinbefore de--- scribed, is made in twoparts split along the' line 96. A sleeve 97 telescopesthe adjacent ends of the shaft and is connected to one of the parts of the shafts by a pin andslot connection 98 in which the slot'extends longitudinally. The sleeve is likewise connected to the other part of the shaft by means of a pin and slot connection 99 in which the slot is inclined at an angle to the axis of the shaft. The sleeve is thus free to revolve with the shaft and is engaged by a nut 100 carriedo-n-a feed screw-i01,;mounted in a bracket 102,-corrstituting an extension from the support 46. It is'obvious that by rotating: the feedscrew the sleeve will be moved longitudinally ofthe shaft and this action will shiftthe part ofthe shaft carrying the lens construction relative to the gear train 103; which connects the shaft 95 with the gear train 45, By this means one of the lens constructions is advanced or retarded in phase relative to the other lens construction. An adjustment'lO-l similar to the pin and slot connection 98 connects the two parts of the shaft and isactuated by a lever 105. By shifting the lever the film is adjusted relative to the aperture opening and the picture unit is thus framed.

In operation and assuming that the parts are in the position shown in Figure 1, with the film travelling continuously across the primary-optic: axis atthe aperture opening and that the several parts of-the movable reflectors and the corresponding parts of the lenses are travelling in the proper timed relation described, .it is understood that the; light from the. source will pass through the succeeding. picture units on the film. Assume first that at one moment a unit is framed inthe opening at the time a movable reflector is in the primary optic axis, then the light passing from this movable refiector is projected through the objective lensWhich happens tobe; in position to receive thesarne: It is understood that the movable-reflector and the movable'lens travel with the picture as long as any part ofthe icture unitisfacihgthe aperture plate. y. the time the picture unit under discussion has; beyond the aperture opening. the movable reflector has likewise passed beyond the aperture opening. and the light projected- Hector through the objective lens of the right hand set-of objectives, which by this time is moved into position to receive the same: In this way each succeeding picture is projected, one'thifough' the lefthand set of objectives onto the screen and the next through the right hand set of objectives onto through the succeeding picture unit lsrefiected from the fixed retails of the device illustrated and in its operation may be made by those skilled in the art without departing from the spirit of the invention.

Having thus described my invention, I claim:

1. In a motion picture machine, the combination with afilm actuating mechanism for causing the film .to, move continuously across, the optic axis of the machine, of a stationary reflector disposed in the optic axis of the machine and in advance of the film path, a' continuously moving reflector mounted to move across the optic axis of themachinein'advance of the path of movement ,of .the film. and in betweenthe stationar 'Ireflecto'r and the film path, said movab e reflector having a rectilinear movement parallel to the direction of movement of the film thereb. ,to travel with one of, the

picture units. on t e film as it movesacross the optic axis, additional reflectors facing both thestationary reflector and-the movable reflector disposed to combine the picture images. reflected. from the, stationary and movable reflectorson to a display screen, and objective lenses operatively associated with said reflectors to focus the picture images on the screen.

. 2.11m a motion picture machine, the combination with a film actuating mechanism for causing. the film tQ1mOVB continuously across the optic axis of the machine, of a stationary reflector dis osed in the optic axis of themachine an in advance of the film path, a series of spaced apart reflectors movable successively across the optic axis of themachine between the path of move ment of the fihnand thestationary reflector, said movable reflectors having a rectilinear movement parallelto the direction of move ment of the film and disposed when so moving to face each alternate picture unit on the film, said movable reflectors being spaced apart a distance to permit the light passing through the other picture units to pass between succeeding movable reflectors and be reflected from the stationary reflector.

3. In a motion icture machine, the combination with a lm actuating mechanism for causing the film to move continuously across the optic axis of the machine, of a stationary reflector disposed in the optic axis of-the machine and in advancemf the film path, a series of spaced apart reflectors movable successively across the optic axis of the machine to one side of the path of movement of the film, said movable reflectors having a rectilinear movement parallel to the direction of movemnt of the film and disposed when so moving to face each alternate picture unit on the film, said movable reflectors being spaced apart a distance to permit the light passing through the other picture units to pass between succeeding movacross the optic axis of the machine, of a s'tationary reflectordisposed in the optic axis of the machine, a series of spaced apartreflectors movable successively across the optic axis of the machine in advance of thepath of movement of the film, said movable 'reflectorshaving a rectilinear movement parallel to the direction of movement'of the film and disposed when so novin to face each alternate picture unitonthe said movable reflectors being. spaced apart a dis tance to permit. the light pas'singplthrougli the other; picture units to pass between sue ceedin movable reflectors and he. fell ted from t e stationary reflector and means acing thestationary reflector and facin the position of .the active movable re ector when passing across the'opticaxis for combinin the images from both-the stationary and t e active movable reflector,"and a pair of lens constructions, one. dis osed .in the part of the o tic axis'betweent e stationary reflectoran said last named image coin binin means and the other lens construc; tion' i'sposed in the part of the optic axis between the active movable reflector and said lastnamed image combining means.

5. In a motion icture machine, the combination with a 1m actuating mechanism for causing the film tolmove continuously across the optic axis of the .machine, of a stationary reflector disposed ,in the optic axis of the machine and in advance of the film path, a series of spaced apart reflectors movable successively across the optic axis of the machine in advance of the ath of movement of the film and between-t e stationary reflector and said path, said movable reflectors havin a rectilinear movement parallel to the direction of movement of the filmand disposed when so movin to face each alternate picture unit on the %lm, said movable reflectors being spaced apart a dis- -tance to permit the light passing through the-other picture units to pass between succeeding movable reflectors and be reflected from the stationary reflector and a pair of lens constructions, one operatively disposed to affect the images reflected from. the stationary reflector and the other operatively disposed to aflect the images reflected from the movable reflector when disposed in active position in the optic axis of the machine.

6, In a motion picture machine, the combination with means for causing a filin to [ha e continuously across the optic axis of th'e'mach iiie, ofmeans for affecting the light riiys assetl through said film, said means inclu ing in orfleial on the optic axis, a movable reflector travelling in the direction i. tr e the il fe i e a e a y r n in the .light,.to one side, a stationary reflcter' i e fi i t y reflqtilig t e' 1* wh h e llic stee .i 91sec? t Optic pjor aai nqa o 'I' lens" constructions ior-aliecti ng the reflected from both ti ee t ea me idm ab efl t rs- "-7:- 'eii silieiete machine the o hlPeil flE t1miQF eae ieg file? t 9E2i9 1l9 1Y er s. r? a of the "ma .iwetie in a i ia ese hgb say as use ile? ii.- ma aise lig t tha is elem-e g been .-Pi1a ee a. .9. w ee ie e amia le i an wigi Q?F%P eeggl i i een. s, .r. eg ee i. in w were 'r' hiee ea we e; P r s? e a mare eeieiea iar easier, '9 ntic 3 of the- .iaeesie e a e le ht e' j" T1, .,ie9 e I is; el el ete anti gazes a mem ers w l i the airmen its he light t a fi l es i e iQr i U 0t lit:-

we. and twee l .m aaeepa ea ilk ie fi e tnseene each lemmas! i gm i' ptic a i o -it ee ed-t lnet? i e i i giewm mesh ee he are ii ti e wit wee ie mewei for mat g h e qti ieue ts was h pti .axi 9 fih inaqt ae ut means for refl'e t eg ar meanest 12 was a e ctnte units $ei -ie mh1 1i9g a e g.- k t lura t 19, "'irafle t rs di eas d e e h l e sa sl eea e atin eiet 4 3 8 s an. .reeme raga d the h wa t stresses a east a a y of reflectors mounted in longitudinally spaccgl apart relation on said belt and movable w1th the belt across the optic axis or the machine and a movable lens construction operatively associated with the belt to move constantly in one direction with the refiectors.

11. In a motion picture machine, the combination of mechanism for advancing the film continuously through the machine, a

movable reflector operatively connected to more with the film and an objective lens construction including a plurality of lens operatively connected to said mechanism to move continuously in one direction over a substantially elliptical path, certain of sa il lens n hen in a portion of said pathtravellin with the light reflected from said moifla le reflector.

12. In a motion picture machine, the

bination ofia mechan sm for causing the picture film to mox e continuonsljth 'rongh the meme d/ m v t ii i s screen, a pair of ftravellin lens coi stru zgftions, each operativelyconnected with the fi lm actngitin'g mechanism to move there'- with, means for directing succeeding images alternately through the two lens constructions and means for guiding said moving construction in one direction o.v er' a. continuops path, a portion of which"'ex tends in a' straight line at right. angles across the two optic x cs provided by sairli image'- directing-means and at a speed correspondtag t h s eed at t P c ur a hey wa across saidoptic ares.

13.1fm a ino ring' picture machine, the co n'ibination of mechanism for cins ing the picti rei film to noon continnously through the machine, two sets offrefiectors, one'of said sets b ing fixed relative to the optic aegis of the machine and the other set being movable across said axis two 'sets of 0bjectii e Lenses, one mo ondar obtic axis caused by the reflection of light from the stationary reflector ind the other set being movable across the secondary axis similarly created by said movable reflector, mcchanism opcratively conmeeting said two sets of objective lenses with the film actuating mechanism whereby the lensesare caused to more in synchronism v'qith the film.

' 14 In a moving picture machine, the combination of mechanism for causing the picture filrn to move in one direction, at) reflectors, one fixed relative to the optic axis of. the machine and the other movable per:-

od icallfy across said axis and in the directron o movement of the film, two movable objectivelens es disposed for movement respectiyely across the secondary axes c reaterl byfth'light reflected from said two re flecto r's.

" l fln a moving picture machine, the

vable across the seccombination of mechanism for causing the picture film to move in one direction, two reflectors, one fixed relative to the optic axis of the machine and the other movable periodically across said axis and in the direction of movement of the film two movable objective lenses disposed tor movement respectively across the seconda axes created by the light reflected from said two reflecto'rs and means for combining the imagas produced by said two objective lens.

' 16.- In a moving picture machine, the combination of mechanism for causing the picture film to move continuously through the machine, a plurality of objective lenses movable across the optic axis of the machine, means for driving said lenses and means for varying the speed of said lenses relative to the speed of the film actuating mechanism.

17. In a motion picture machine, the

combination of mechanism for causing the picture film to move continuously throu h. the machine, means for reflecting the lig it passed through the film along two secondary optic axes, two sets of ob ective lenses, mounted for movement respectivel across each of said optic axes and adjustab e means for varying the speed of one set of the lenses relative to the other. 18. In a motion picture machine, the combination of mechanism for causing the picture film to move continuously through the machine, means for reflecting the light passed through the film along two secondary optic axes, two sets of ob ective lenses, mounted for movement respectively across each of said optic axes, adjustable means for varying the speed of one set of the lenses relative to the other, and means for varying the speed of either of the sets of lenses relative to the speed of the film.

19. In a moving picture machine, the combination of mechanism for causing the picture film to move continuously through the machine, means for reflecting the light passed through the film alon two secondary optic axes, two sets of 0 jective lenses, mounted for movement respectively across each of said optic axes and means for adjusting the position of said lenses thereby to focus the picture image on the screen.

20. In a motion picture machine, the combination of a lens guiding block having a straight guiding side, a series of lenses, means for guiding the series of lenses in its movement about said block, means for guiding each lens while moving along said straight side, means for causing a light ray to pass through the lenses, while positioned on said straight guiding side and mechanism distinct from the lens guiding means and spaced from said block for assisting each lens in changing its direction of movement as it passes about said block and power means for causingthelenses to travel about said block.

21. In a motion picture machine, the combination of a lens guiding block having a straight guiding side, a series of lenses guided for movement about said block, means for causing a light ray to pass through the lenses while positioned 'on 'said' straight guiding side, means for causing the lenses to travel about said block and means for varying the speed of said lenses relatively to the speed of the film while passing across said li ht ray.

22. In a motion picture machine, t e combination of a lens guiding block having a straight guiding side, a series of lenses guided for movement about said block, means for causing a light ray to pass throu h the lenses while positioned on said straigIit guiding side, means for causing the lenses to travel about said block and means actuated by the movement of one of the lenses for assisting another of the lenses to change its direction of movement as it passes about said block.

23. In a motion picture machine, the combination of a lens guiding block having a straight guiding side, a series of lenses guided for movement about said block, means for causing a light ray to pass through the lens while positioned on said straight guidin side, means for causing the lens to trave about said block and means for cushioning the lenses as it changes its direction of movement about said block.

24. In a motion picture machine, the combination of mechanism for moving the picture film continuously across a beam of light; a plurality of reflectors movable across said beam of light for directing the light issuing from one icture along a path different from the pat along which the light issued from the preceding picture was directed, a plurality of objective lenses mechanism for moving said lenses at uniform speed and in a straight line across the paths of light reflected; and means for varying the ratio of the speed of said objective lenses to the speed of the film.

25. In a motion picture machine the combination of mechanism for moving a picture film continuously across a beam of light; means including a stationary reflector and a plurality of moving reflectors for directing the light issuing from one picture along a path different from the path along which the light issued from the next preceding picture was directed; a plurality of objective lenses and mechanism for moving said objective lenses in a straight line across the path of light so reflected.

26. In a motion picture machine the combination of mechanism to move the picture film continuously across the optic axis of the machine, lens actuating mechanism ineluding two endless belts of different lengths adapted to move synchronously, a. plurality of objective lenses connected to said endless belts to move at-a speed which is a function of the speeds of the two belts; and means for varying the ratio of the speed of the objective lenses to the speed of said endless belts.

27. In a motion picture machine the combination-of mechanismto move the picture film continuously across the optic axes of the :machine, an objective lens having its axis at an angle to said optic axis, a reflector for directing the light from the picture to said lens mechanism including .two endless belts of diffe rent lengths for moving the objective lens in a straight line and with uniform speed across the path of the light reiflected from said reflector.

28. In a motion picture machine, the combination of mechanism for advancing the film continuously through the machine, a movable reflector, and an objective lens construction including a plurality of lenses operatively connected to said mechanism to move continuously in one direction over a substantiallyelliptical ath, means for guiding the lens along-said path, aortion of said guiding means being straight, said lenses when in an engagement with ,said straight portion of the guiding means travelling with the light reflected from said movable reflector.

Si ed at New York city in the county of ew York and State of New York-this 29th day-of May, A. 1919.

ES K WUL-

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