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Class 396/40 - Mechanical detail of roller or roller drive


Subclass of Class 396 - Photography
Definition: Subject matter which recites particular mechanical structure
No. of patents: 29
Last issue date: 07/17/2007


NumberTitleIssue Date
7245827Image recording apparatus
An image recording apparatus has a pack chamber loaded with an instant film pack which stores by stacking plural pieces of instant film sheets having an image recording section which is exposed and subjected to spreading of a developer to record an image and a devel...
07/17/2007
6778765Camera and transport apparatus
The present invention provides a camera which restrains a photosensitized material from being unstably discharged, while allowing a reduction in diameter of a pair of rollers that feed the photosensitized material out of the camera as well as a transport apparatus w...
08/17/2004
6625395Optical printer for exposing an instant film
In a digital instant camera, a fixed exposure head emits a printing light to an instant film contained in a film pack, and a spreading roller performs a developing process. While the instant film is conveyed by the spreading roller toward the outside of t...
09/23/2003
6509950Preexposure method and apparatus for photosensitive films
A preexposure apparatus comprises a film supply station ST1 for arranging a film cartridge 14 containing a film 12 accommodated therein, a film-drawing station-ST3 for automatically drawing the film 12 over its entire length, an exposure station ST5 for e...
01/21/2003
6490413Compact photographic camera
The present invention is a self-developing compact camera having a housing that encloses, in a common cavity thereof, an arrangement comprising a taking lens, shutter, a light-reflector, viewfinder, power source, actuator, a self-developing film compartme...
12/03/2002
6330397Film unit drive assembly for an electronic photographic printer and camera and related method thereof
An electronic photographic printer having a film unit drive assembly that advances the film unit (self-developing type) past a stationary print head for emitting consecutive lines of image data on the film unit to effect progressive exposure on the film u...
12/11/2001
6055375Self-developing camera
A photographic apparatus for use with self-developing film wherein the apparatus comprises a light-tight housing assembly having a film unit exit for allowing the film units to exit the housing assembly; an exposure control assembly including a shutter bu...
04/25/2000
6006036Preloaded single-use instant camera
The principal embodiment of the present invention is a preloaded single-use instant camera. The single-use instant camera is provided with user-inaccessible film holding compartment in a sealed light-tight enclosure and a predetermined number of pressure-...
12/21/1999
5838997Preloaded single-use instant camera
The principal embodiment of the present invention is a preloaded single-use instant camera. The single-use instant camera is provided with user-inaccessible film holding compartment in a sealed light-tight enclosure and a predetermined number of pressure-...
11/17/1998
5619292Camera
A camera using films each having a development processing solution in a solution accommodating bag includes rollers feeding photographed film outside of the camera or into an accommodating chamber, a piezoelectric press member held between an electrode an...
04/08/1997
5491526Instant camera and manufacturing method of the same
An instant camera is used with a film unit, in which a solution pod contains processing solution. The camera has first and second rotatable spreading rollers, which apply pressure to the film unit. When rotated the spreading rollers squeeze the pod, exit ...
02/13/1996
5218391Instant camera with reversable rollers for cleaning
An instant camera is provided with a motor rotatable in normal and reverse directions, a claw member for pushing an exposed film unit out of a film pack, and a pair of spreading rollers for ejecting the exposed film unit from the camera by applying pressu...
06/08/1993
5023636Pivotally mounted spread roller assembly
A camera for use with instant film includes a spread roller assembly including superposed rollers for spreading a processing liquid between predetermined layers of an exposed film unit to initiate the formation of a visible image therein while simultaneou...
06/11/1991
4505560Camera back
A camera back adapted to be fitted on the back of a camera or the like has a frame for a film container pivotally mounted in the housing of the camera back for movement between the first picture taking position and a second film discharge position. A pair...
03/19/1985
4460255Instant camera
An instant camera in which a self-processing type film unit is passed between a pair of spreading rollers and ejected to the exterior of the camera while a container means containing a development processing solution in the film unit is torn by the nippin...
07/17/1984
4268142Camera employing web for film ejection and processing
A film unit ejection and processing system for instant cameras having a spread roller pressure nip through which an exposed film unit is passed from the camera interior for processing and discharge to the camera exterior. The system includes an opaque fee...
05/19/1981
4174163Film unit processing means
A film unit processing means in an auto-process camera, comprising first and second processing rolls or bars, and a frame to support said rolls or bars. In supporting said rolls, bars, or a combination, one above the other by the frame to define a passage...
11/13/1979
4165931Self developing type photographic apparatus
A self developing type photographic apparatus wherein one of the spread rollers is driven by one or two toothed racks forming part of or constituting a manually reciprocable handle. One of the racks further rotates a gear which programs the movements of a...
08/28/1979
4131352Photographic apparatus of the self-developing type
An improved pressure roller in a photographic apparatus of the self-developing type is disclosed. The roller has a rigid core provided with two axially spaced circumferential grooves which are filled with resiliently compressible material. The core is jac...
12/26/1978
4069490Camera construction
A camera construction is provided which is adapted to removably accommodate a cartridge of self-developing film. The cartridge presently available on the market includes a rectangularly shaped container having a self-contained battery and a stack of photo...
01/17/1978
4051492Photographic apparatus gear train having a unique set of gears
A pair of meshing gears, having unique tooth profiles, are provided in a separable gear train which is usable in a self-developing camera to couple a motor in one housing section of the camera to at least one of a pair of pressure-applying rollers mounted...
09/27/1977
4047192Photographic apparatus with sequencing system
A photographic apparatus including a "sequencing system" for initiating and controlling the orderly performance of functions in a cycle of apparatus operation that includes the exposing and processing of a self-developing film unit. The "sequencing system...
09/06/1977
4044366Device for applying pressure to developer distributing means in self-development type cameras
A device for applying pressure to a pair of developer distributing rollers in a self-development type photographic camera utilizes a pair of bell crank levers provided in the vicinity of the ends of the rollers for pressing one roller onto the other. The ...
08/23/1977
4020499Apparatus for controlling drive to pressure rollers in a camera with electric motor drive
In the removal of a film unit from a motor-assisted self-processing camera, the number of rotations per unit time of the pressure rollers which accomplish such removal is controlled by providing electrical contacts in association with a star wheel and a m...
04/26/1977
4020498Photographic fluid processing apparatus
A fluid processing apparatus adapted to spread a processing fluid over a predetermined photosensitive area of a photographic film unit. The film unit includes a first image-recording sheet element that is secured in superposed face-to-face relation with a...
04/26/1977
4016578Processing fluid flow control device for self developing camera
Photographic apparatus for consecutively transporting and processing a cassette of self-processable film units. The apparatus includes an integrally molded plastic housing section having a film exit slot, a pair of rotatable pressure-applying rollers moun...
04/05/1977
3987466Switching device for an automatic camera
A switching device for use in a fully automatic camera including a chamber for receiving and locating a disposable cassette therein such that a foremost member of an assemblage, including photosensitive film units in stacked relation and a dark slide cove...
10/19/1976
3983567Pressure roller assembly for self processing camera
A pressure roller assembly for use in a camera of the type adapted to expose and process self developing film units includes a pair of rollers held in juxtaposed relation within a frame having open ended slots for receiving the ends of the rollers. Unimpe...
09/28/1976
3974510Mounting apparatus for a spreader roller assembly
A mounting apparatus for a pair of juxtaposed pressure-applying members operating as a spreader system for a camera to distribute a fluid processing composition between predetermined layers of a film unit subsequent to exposure to initiate a developing pr...
08/10/1976
 
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