US1084046A - Photographic-printing apparatus. - Google Patents

Description

E.. A. STAFFLIN.

PHOTOGR APHIG PRINTING APPARATUS.

APPLICATION FILED MAY 26, 1913.

Patented Jan. 13, 1914.

MT EEEEEL "or!" u "i m iv u "i 1 r "Fun 1 ,l. t i i i silica;-

EDWARD A. ETA FY1113; 0:5

' ZPHQTQGR'APHIG"FRINTI'lflG .FLPIPARATUQ 1,984,046, Specification of Letters Patent.

Application filed-May 26, i

To all whom it may concern Be it known that l, Eowsno It. Srarrnm, a citizen of the United'states, and a resident of Toledo, in thecounty of Lucas and iitate of Ohio, have invented a certain new and useful Photographic-Printing Apparatus; and I do hereby declare the following to be ,a full, clear, and exact description of the invention, such as willcnable others skilled in the'art to which it appert-ains to make and use the same, reference being had to the accompanying drawings, and to the characters of reference marked thereon, which form a part of this specification.

This invention relates to photography, and particularly to printing apparatus for use in connection therewith; and has for its oi jectthe provision of a simple and inexpen- Sive apparatus of this character, which is capable of use in connection with either attificial or sunlight, is easily operable to effeet a rapid andeiiicient printing of photographs, and is capable of transmitting a bright or subdued light to the parts in which the printing takes place, thus materially cuhaucing the practicability and commercial yalue thereof.

l urt-her objects and advantages of my invention will be apparent from the following detailed description of the same.

The invention is fully describeddu the following specification, and while, in its broader aspect, it is capable of embodimentin numerous forms, a preferred embodiment thereof is illustrated in the accompanying drawings, in which-- Figure 1 is a central vertical section of an apparatuswmbodyiug the invention, Fig. 2 is a front elevation thereofv Figs. and i are enlarged sections of two of the slide frames, and Fig. 5 is a perspective view of the several frames in spaced assembled relation.

Referring to the drawings, 1 designates a wall of a room, having an opening or window 2 therein'through which day light or an artificial light may be directed from one .side to the other oi? the portion. The light s preferably subdued or mellowed in its passage through the window by the provision of a white tissue shcet'il or other suitable light subduing means therein, the tissue in the oresent instant- 2 being carried by Patented 52111.13, 1.914.

913. Serial No. 7891869.

the window 2 to separate such window from the room in which the operator works, and comprises, in the present instance, a wall or side 5, which preferably inclines upward and inward from the wall 1 at the lower edge of theopening 2, and has opposite ends 6. Declining from the wall 1 at the upper edge of the opening. 2 to the upper edge of the side 5 is a frame 7, which is preferably mounted for longitudinal sliding movements in suitablesiidoways 8 in the wall 2 and side 5 to permit it tobe removed from the apparatus whendesired. :This frame is pro titled with three pane s or openings lengthwise thereof, the center of which is left open, as shown at 7, while the end panels are closed by a light subduing or interrupting material, such, for instance, as ruby colored paper 3 A slide frame 9 of similar construction to the frame 7 is mounted immediately above the frame 7 for longitudinal sliding movements in the ways 8, and has its center panel open, at 10, and its end panels closed by ruby colored paper or other suitable light suhduing or interrupting material ll. The center opening 10 of this frame may be restricted at will by the provision of an opaque plate 12, which is car ied by the frame for sliding movements longitudinally thereof over such opening. A handle 13 projects from the front or lower edge of the frame 9 "through a registering longitudinally-disposed slot- 14 in the upper portion of the side 5 to facilitate a movement of the slide frame, the length of the slot being equal to the desir vd lengthoi movement of the frame.

A printing frame 15 is stationarily mounted over the opening 7 of the frame 7 immediately above the slide frame 9, and of suitable size to entirely cover said opcnin A printing opening 16 oi suitable size 18 provided in the f nine 15 and is surrounded in spaced relation thereto on the outer side of the frame by a flange or shoulder 17 for holding a negative and print in proper relation .to the opcnin is apparent. A cover 18 hinged to the upper portion o tie shoulder 17 at the upper side of the opening 16 for fitting down into the negative or plate-receiving portion of the print ing frame, and is shown.as having a weighted cord'ltl attached to its free edge and pass- .ing over an elevated sheave 2G for normally A negarive plate 23. shown niountcd within the printing frame over the opening 16 therein. The frame r niovably held to the upper side of the pi-iut in cabinet by pivoted catch members or in any other suitable manner to enable frames having openings 16 of diicrent sizes to be placed in printing position.

lvlounted for sliding movements in a portion of the slide-Ways 8 immediately below the frame is a sash or slide-i correspoiuling in shape and size to the opening 7 of the inc 7., and having its opening- ,closed by a light colored lightduing or ZDGllOWlDg diaphragm 24 such, instance}, as White tissue. 1 his aine is placed in register with the opening of the frame 7 when it is desired to subdue the printing rays passing through such op Ing and to effect a slower printing than would be the case if the light rayslroni the interior of the cabinet to the opening 16 of the printing frame were not obstructed.

A box 2-5 for carrying the sensitive print-- ing sheets 26 is preferably disposed below the inclined side 5 being secured to the Wall 1 by a bracket, or in any other suitable manncn, and is provided with a cover 27 for excl udi ng light from the interior thereof when the cover is. closed. The side 5 is provided with an opening which is closed at the outer side thereof by a sheet of li -lit subduing material 28, such, for instance as ruby paper; so that the box will be subjected to a, lightof a sur'hciently si'lbdued nature to prevent injury to the printing sheets 26 when subjected thereto. The inner portion oi. the opening in the side is covered by a Whit-o sheet of tissue 29 or any other suitable material, which tends to reflect the light rays upward within the cabinet.

ln theuse of my printing apparatus day light or an artificial light is permitted to enter the cabinet through the Window 2 in the Wall 1. and such light, Which is preferably partially subdued or mellowed by passing through a white sheet of tissue 3, is then reflected through the opening 7 of the stationary frame 7 and against light inter rupting material 11 in the end panel of the Frame 9. which is in register with the opening 7. thus preventing t 1c of print-- ing rays of light to the opening 16 of the printing frame 15. The operator, having placed a negative plate or film and a sheet 26 to be printed over the opening 16 of the printing :tramc, lowers the cover-18 to its closed position and then. moves .the slide frame 17 lengthwise in its slide-Wayuntil the opposite end panel thercoi is moved into register With the printing parts. As the frame is moved in this manner the light. rays from within the ca 'net through the center opcr c l apesthe cover 18, which, raises under the action of the Weighted cord 19, and, after taking out the printed sheet and putting in a fresh sneet 26, again lowers the cover 18 over the same and moves the frame 9 back to its previous position to effect the printing of another sheet. Should it be desired to reduce the size of tho opening 10 in the "frame 9 as to shorten the period .of exposure upon a quicl: passing of such opening under the printing frame opening the opaque plate 12 may be properly adjusted in the frame 9 For such purpose. She light subduing frame may also be moved in register with the opening 7 of the frame '1' to cause a mellowing of the printing; rays.

The purpose of providingthe openings in the end panels of the two frames 7 and 9 with a semi-transparent material, such, for instance. as ruby paper, is to permit sulficientlight rays to enter the operating room from tlieintcrior of the cabinet to facilitate the 'WOIh' of the operator Without injury to the sensitive printing paper which it is necessary for him to handle otherwise the end panels of the frames 7 and. might be made of opaque material.

It is evident that by the use of an appa'ra tus of this character prints may be made as rapidly as the slide frame 9 can be moved from one end to the other of its Working movements and the prints removed from the printing frame and fresh print paper substitu the period of exposurocan be easily and quickly regulated to a niccty and that the light rays may be subdued as the nature of the print or the brightness of the printing rays may require. v

I Wish it understood that my invention is not limited to any specificconstruci-ion or arrangement of the parts except in so far as such limitations are specified in the claims.

Having thus described my inventiomwhzit' I claim as new, and desire to secure by Letters Patent, is.,

1. In a printing apparatus of the class described, a light cabinet, a printing frame having an opening in communication with said cabinet, and a movable member having an open portion and light interrupting portions at oppositesidcs of its open portion, the open portion of said member being ada ted to open communication between saicl printing frame opening and the interibr or" the cabinet when said movable member is moved to place one or the other of the light interrupting portions thereof in register with the printing frame opening.

in a. scribed, a cabinet, a printing frame having opening in coi'i'unui'iication with the interior oi. said cabinet and a frame slidable between said printing frame and the in i zwior o ii the cabinet and having an. opening led therefor. It is also evident that printing apparatus of the class dcslide frame and having poi-tiol s at opposite sicles 01. lbs which alternately regisief Wioh rays to the as the slide frame is in ms.) then the other direction.

rupt the lighc opening one and 3. In :1 printing apparatus ol 4 scribed, :1- light cabinet,

mounted on saidoabinet and Opening in communication with the hike thereof, a slide frame having silterne disposed open and light interrupting tions and being movable between said. prin ing opening and the inte to alternately place saicl terrupting portions .in printing frame opening, by said slide frame "5 In a: printing em SCIiiGECl, a light cabin r. I -l o v in 1-. wall iliei eot, a. P1 without said openly-lg,

q ing an open portion me-w'fole being ing, said member nately open and interrupt the tion between said openii means slidable with rel frame and movable into ed WlthOllt said Opening in register wlth, a slide men ber operable in ltermtel q interrupt the commu; lif

open and tween said opening ancl carried by said member period of exposure Whic member is moved other.

' 6. In n apparatus of the a cabinet having an opening in frame moimte iiitho of, a printing opening in register the opening. means chem g; ihe perioei (31' ciirs 'Wl '1 we e mes position to means at the .i'. or out of registe;

Z. apparatus 0 Y line-.5 hevnw a e seen i iih e of the open position exec-f.

from one posi 3. Of lji llgj, ajflll ,4, wztooui sale 1 and movable 11 1' 1 w J MA A light flew s hi' isles Timing a pm? 2 Ring, 5. ullii opeiiing'snei 1 7 lid a. slide member mow s de of seigl printing frame 343 it infe uptmg portions and 5 en -oo" ion, said open ml? h member L open emmimnic'i" ilJlQ and tie interior of ii r 'stei with. as when )OlilOliS rioi' of;-

open 2.: rei is ireggvleios.

a anon '30 or 011%. e

movable ii'lioii n? the o" aiid s gh;- inleimptin the open portion of nine incl e priming 1 51 l aid slide frame in i'egie eoriion 0i: sletionai 4 balm. E

frame, l

for c h occur rib ad rewiin a Av In testimony WhGI'GOf, I have hfilfiilll'h) slgned my name 1'20 thls SPOClfiCfltlOll 1:0. the U) PI'QSCIICGVOYE two SUbSCllblIlg wltnesses.

EDXVARD A. SEQAFFLH u i I F AUL,

Know.

I Witfiesses: I s.

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