US3482502A - Developer for automatically operated photographic device - Google Patents

Developer for automatically operated photographic device Download PDF

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Publication number
US3482502A
US3482502A US558497A US3482502DA US3482502A US 3482502 A US3482502 A US 3482502A US 558497 A US558497 A US 558497A US 3482502D A US3482502D A US 3482502DA US 3482502 A US3482502 A US 3482502A
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United States
Prior art keywords
developer
cavities
film
cavity
liquid
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Expired - Lifetime
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US558497A
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English (en)
Inventor
Martin Balke
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Balke and Co
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Balke and Co
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    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/48—Details of cameras or camera bodies; Accessories therefor adapted for combination with other photographic or optical apparatus
    • G03B17/50—Details of cameras or camera bodies; Accessories therefor adapted for combination with other photographic or optical apparatus with both developing and finishing apparatus
    • G03B17/53—Details of cameras or camera bodies; Accessories therefor adapted for combination with other photographic or optical apparatus with both developing and finishing apparatus for automatically delivering a finished picture after a signal causing exposure has been given, e.g. by pushing a button, by inserting a coin

Definitions

  • An automatic photographic device includes a developer formed by a body member having a plurality of liquid developer bath cavities arranged in a row and separated by a partition wall therebetween. Film strips to be developed are successively brought through each of the cavities by guide elements which include spaced wire members which extend between adjacent pairs of vertically arranged rotatable rollers disposed over each partition wall.
  • the wire guide extends downwardly into the adjacent cavity and receives the film from the nip of one of the roller sets at the one end of the cavity and delivers it into the developer bath and into the nip of the other set of rollers at the other end of the cavity and so on through a series of cavities until the film strip is developed.
  • the developer liquid is distributed to a plurality of cavities of relatively shallow depth and only in a quantity which is sufficient for operation of a certain period of time.
  • the main quantity of the developer is maintained in a storage tank which isc losed so that it will not permit any deleterious operation of the oxygen of the air on the developer liquid.
  • the liquid is supplied from the storage tank through the developer cavities only in quantity suificient for the desired operation, so that the developer liquid will last for a very long period of time.
  • This invention relates, in general, to photographic equipment and, in particular, to a new and useful automatic self-actuated photographic equipment having a developer with a tray formed with a plurality of adjacent developer cavities having means for supplying fresh developer and with guide means extending between the cavities and roller means for feeding the film strip therethrough.
  • the present invention has particular application for use, for example, in a coin actuated self-photographic apparatus of the type in which the person sits before a camera and deposits a coin and then waits for the finished developed print.
  • the automatic mechanism includes a camera, means for transporting the film to the camera and thereafter to a cutting device for separating the exposed film frame, and a developer with means for transporting the film strip through the developer toward the picture delivery station.
  • Such automatic photographic apparatus are known which operate with the customary wet developing processes and use reversible film material on paper.
  • the film material is first separated from the non-exposed film material which is supplied to the camera from a supply roll within the device.
  • the film material or print paper is then developed.
  • the developed strip or frame reaches the 3,482,502 Patented Dec. 9, 1969 picture delivery station where the picture is taken from the device.
  • Known developers through which the exposed film strip is passed possess relatively large liquid containers with a multitude of deflecting rollers over which the film strip to be developed is guided in a loop-like manner.
  • Such containers usually contain the entire supply of the developer in a single compartment. Because of the use of a single large compartment, the entire volume of the developer bath has to be relatively large and has to participate in the developing procedure so that a rapid degeneration of the developing substance takes place. With such apparatus, the developer breaks down after a few developing runs. Attempts have been made to prevent this by replacing the developing bath after a relatively brief time interval. This, of course, is not only expensive but also time consuming and results in relatively frequent interruptions of the operation of the device while a developing material is being changed.
  • an automatic photographic apparatus which includes a developer comprising a tray member having a plurality of cavities arranged side-by-side in a row and which includes guide means for directing the film downwardly into each cavity in succession as it passes through the developer for achieving successive developing stages in each of the cavities.
  • the apparatus advantageously includes rollers mounted between the stage for receiving the print paper and for moving it through the developing a solution in the next cavity. In this manner, the developing solution strength may be varied from one tray to the next, if desired, and the individual cavities only hold a small amount of developer so that the developer does not loose its strength rapidly.
  • the developing device advantageously includes means for periodically replacing the charges in the individual containers at predetermined timed intervals.
  • the liquid in the individual cavities is recycled into large containers and mixed with a liquid to control the developing strength thereof.
  • the individual charge cavities are regenerated and can be maintained at an advantageous low temperature.
  • an object of the invention to provide in an automatic picture taking apparatus an improved developer for the photographic print paper which includes a container forming a plurality of successive cavities arranged in a row with guide means for directing the print material downwardly into each cavity in suc- 3 cession for successive developing of the print material and with means for separately supplying and withdrawing developer fluid for each cavity.
  • a further object of the invention is to provide a developer including a container having a lower portion with a plurality of cavities arranged in a row and with roller means disposed between each cavity for directing material to be developed downwardly through guides which transport the material through the cavity and upwardly to the next set of rollers for successive treatment in each cavity.
  • a further object of the invention is to provide a developer device which is simple in design, rugged in construction and economical to manufacture.
  • FIG. 1 is a schematic representation of an automatic photographic device constructed in accordance with the invention.
  • FIG. 2 is an enlarged perspective view of a developer constructed in accordance with the invention.
  • the automatic photographic device includes a container 1 for accommodating a film supply spool for the film material which is fed from the spool to an edge exposure device 2 which is arranged in front of a camera 3.
  • a flash device 4 is arranged over a person to be photographed and operates to provide sufficient light on the person during the actuation of the camera 3.
  • the automatic mechanism further includes an electrically actuable cutting device 5 which cuts the film material into the selected number of frames and delivers the material to a developer generally designated 6.
  • An electronic control device 8 is employed for operating the various mechanisms and insuring that the pictures are advanced below the camera 3 and then cut and delivered to the developer for delivery to the slot in the machine at a delivery point 9.
  • a storage tank 7 for the developing material is provided for recirculating developer to the developing device 6 as required.
  • the improved developer is indicatet in FIG. 2 and includes a lower housing portion or cavity forming member 10 having a lid 11 which completely closes the top thereof.
  • the lid 11 closes all sides of the dish body 10 tightly and advantageously comprises transparent acrylic glass.
  • the body member 10 is provided with a plurality of developer cavities or recesses 13 which are defined therein along a row.
  • the cavities are closed at each side and separated from each other by curved walls upon which are mounted rollers 14 and 15.
  • the rollers 14 and 15 are provided for delivering the film material through each of the developing cavities 13 and are arranged with their axes parallel and have a minimum spacing from each other. They are advantageously driven by drive means (not shown) and provide means for transporting the strip of film material downwardly into each cavity between guide members or rail elements 16 and 17.
  • the film strips which reach one end of the developer 6 are delivered through a slot (not shown) at the inlet end of the cover 11 between the end set of rollers 14 and 15 which are rotated to deliver the strip with the film facing downwardly into the developer bath of the first cavity 13.
  • the upper rollers 14 are advantageously made with a rigid metal core and an outer relatively soft frictional layer which may, for example, be of a rubber material.
  • the lower rollers 15 carry on their axis a relatively soft layer, for example, of rubber which is embraced or enveloped by a hard jacket in order to create a very friction-free smooth and pore-free surface.
  • the wire stirrups or guides 16 and 17 are arranged between each roller set and extend downwardly into the cavity 13 therebetween.
  • Each set of stirrups 16 and 17 includes two parallel arms extending downwardly in the same manner and provide a guide therebetween for the film material.
  • the configuration of the guides 16 and 17 is chosen such that the film strip which is passed through the roller pair 14 and 15 will be transported in the form of an almost loose downwardly hanging loop through the individual cavities. In this manner, the film will pass between these guides 16 and 17 with as little friction as possible.
  • the mounting of the guides 16 and 17 is preferably accomplished by means of holding means which are fixed to the side walls not shown) of the body member 10 and which close the cavities 13 laterally.
  • each charge container or cavity 13 is in communication with an associated storage container 18 for the developing fluid by means of an inlet conduit 20 and a return conduit 22.
  • a pump (not shown) is connected in either the inlet con duit 20 or return conduit 22 to circulate the developer from the cavity 13 back to the storage container 18, and from the container 18 to the cavity.
  • a heating device 19 is located in the inlet conduit 20 and provides means for heating the developer to a desired temperature before it is delivered into the associated cavities.
  • the storage container 18 is maintained tightly closed and has a temperature, for example, cool enough so that the liquid stored in the container cannot escape by evaporation nor will it prematurely age by unfavorable influence caused by oxygen in the air.
  • the developer operation is monitored or controlled by the electronic control device 8 and operates as follows: After the start impulse has been actuated or released, for example, by inserting a coin into the machine, the flash device 4 is actuated and the exposure of the film strip takes place.
  • the film strip is delivered from a supply roll 1 to the exposure device 2 and into the camera 3.
  • the severed film is moved through the developer 6 and is engaged by the first roller pairs 14 and 15.
  • the film strip is then successively guided through the cavities 13 between the guide means 16 and 17 and fed to the next set of rollers 14 and 15 etc.
  • the rollers between the baths insure that the film strip which emerges from a bath will be cleaned of residual liquid which will be squeezed off by the rollers so that there will be no undesired transfer of liquid from one cavity to the other.
  • the control device 8 is of well known type and provides means for actuating the pump to insure that after a predetermined time, the individual charges in the cavities 13 are replaced. In doing so, the liquid level in the cavities 13 must be lowered only to the extent that the film strips which pass through the cavities 13 will remain immersed in the residual liquid therein. In this manner, the formation of undesirable marks or spots on the film is effectively prevented. At the same time, a fresh charge may be directed from the storage container through the heater 19 and the inlet conduit 20.
  • the cavities 13 are filled to a level slightly below the top of the intermediate partition walls as indicated at y in FIG. 2 so that an overfiow of liquid over the intermediate walls 12 will not be possible.
  • the liquid supply is advantageously added in the region of a vertically longitudinal center plane in the cavity 13.
  • the developed film will be delivered out of the developer 6 at the delivery station 9.
  • the control device 8 regulates not only the high voltage device of the flash mechanism 4 and the heating of the developer in the heater 19, but also controls, for example, such as by electromagnetic actuators, the transport means for the film, the edge exposure device 2 and the camera 3 as well as the change of the individual charges of developer in the developing element 6.
  • the control device 8 may be of well known type and con structed in such a manner that it monitors itself after the starting pulse has been given and until the finished photograph has been developed. By this arrangement, in case of a brief current interruption, the functions of the automatic device will be maintained. If due to any disturbance no film strip should be delivered, then the control device blocks the entire machine in such a manner that until the temperature has been repaired, no further start impulses can be given. This, for example, may be done by blocking the insertion of additional coins thereby preventing the giving off of a starting pulse.
  • a developer for individual lengths of exposed film strips in an automatic photographic device comprising a body member defining a plurality of liquid developer bath cavities being arranged to contain a supply of liquid developer forming a liquid level therein and being disposed in side-by-side relationship, a lid for said body forming a closure over said cavities therein, a vertically positioned partition wall disposed between and separating each of the adjacent said cavities, the surface of said cavities extending between said partition walls having an arcuate concave configuration, and the level of the developer liquid within said cavities being located below the upper end of said partition walls, means for guiding the film strips successively through each of the cavities including a number of pairs of rollers each comprising an upper roller and a lower roller forming a nip arranged to receive and feed the film strip therebetween and to effect a squeezing action on the film strip and at least two horizontally spaced pairs of wire stirrups for guiding the exposed film strip through said cavities from the nip of one of said pair of rollers to the n

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Photographic Processing Devices Using Wet Methods (AREA)
  • Photographic Developing Apparatuses (AREA)
US558497A 1965-06-18 1966-06-17 Developer for automatically operated photographic device Expired - Lifetime US3482502A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH861265A CH425459A (de) 1965-06-18 1965-06-18 Selbstfotografierautomat

Publications (1)

Publication Number Publication Date
US3482502A true US3482502A (en) 1969-12-09

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Application Number Title Priority Date Filing Date
US558497A Expired - Lifetime US3482502A (en) 1965-06-18 1966-06-17 Developer for automatically operated photographic device

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US (1) US3482502A (de)
CH (1) CH425459A (de)
DE (1) DE1497944B2 (de)
GB (1) GB1111744A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3577966A (en) * 1969-12-12 1971-05-11 Ford Motor Co Engine antidieseling device
US3728954A (en) * 1971-06-03 1973-04-24 A & M Res Inc Photographic processing apparatus

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2553014A (en) * 1947-01-06 1951-05-15 Internat Mutoscope Corp Photographic strip developing apparatus
US3023686A (en) * 1960-11-15 1962-03-06 James R Meyer Automatic film processing apparatus
US3242843A (en) * 1963-09-20 1966-03-29 Ilford Ltd Photographic processing apparatus
US3254970A (en) * 1960-11-22 1966-06-07 Metco Inc Flame spray clad powder composed of a refractory material and nickel or cobalt
US3285150A (en) * 1961-05-16 1966-11-15 Wunder Phot Inc Combined photographic and development apparatus
US3330189A (en) * 1966-09-02 1967-07-11 Nuclear Corp Of America Fixing system for copy machine

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2553014A (en) * 1947-01-06 1951-05-15 Internat Mutoscope Corp Photographic strip developing apparatus
US3023686A (en) * 1960-11-15 1962-03-06 James R Meyer Automatic film processing apparatus
US3254970A (en) * 1960-11-22 1966-06-07 Metco Inc Flame spray clad powder composed of a refractory material and nickel or cobalt
US3285150A (en) * 1961-05-16 1966-11-15 Wunder Phot Inc Combined photographic and development apparatus
US3242843A (en) * 1963-09-20 1966-03-29 Ilford Ltd Photographic processing apparatus
US3330189A (en) * 1966-09-02 1967-07-11 Nuclear Corp Of America Fixing system for copy machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3577966A (en) * 1969-12-12 1971-05-11 Ford Motor Co Engine antidieseling device
US3728954A (en) * 1971-06-03 1973-04-24 A & M Res Inc Photographic processing apparatus

Also Published As

Publication number Publication date
DE1497944A1 (de) 1969-04-03
DE1497944B2 (de) 1973-01-18
CH425459A (de) 1966-11-30
GB1111744A (en) 1968-05-01

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