JPH07223762A - Film carrying device - Google Patents

Abstract

PURPOSE:To automatically carry even shorter films that are cut per frame or per plural frames. CONSTITUTION:A pair of protrusions 24 facing to the perforation opening parts of a film are formed in parallel on a base plate 22, and a pair of endless belts 40 which carry the films by holding the perforation drilled parts between the protrusions 24 are arranged in parallel. The tip end of the film is carried by being held between the endless belts 40 and a rubber roller 52 so as to be carried while sliding on the base plates 22 due to the friction with the endless belts 40. The image part of the film is prevented from any scratch and also the film can by stably carried because the film is carried by the base plates 22 wherein the pair of protrusions are formed thereon and the pair of endless belts 40.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a film transport device, and more particularly, to a printer for printing a film image on photographic paper, a VTR device for shooting and recording a film image with a camera, and a printer and a processor integrated. The present invention relates to a film transporting device suitable as a device for transporting a film in a mounter or the like that cuts a reversal film for each frame and mounts it on a frame.

[0002]

2. Description of the Related Art In a conventional printer or VTR film transporting apparatus, a plurality of transporting roller pairs are provided, and a photographic film is sandwiched and transported by the transporting roller pairs. If the conveying roller pair is placed in the beam irradiation opening of the printer or the VTR device, it will cast a shadow on the image. Therefore, it is necessary to place the conveying roller pair at least one frame apart so as not to cast a shadow on the image. .
Further, since it is not possible to cut an image of one frame into two, a length of at least three frames is required to automatically convey the film by the conventional film conveying device.

Therefore, conventionally, there has been a problem that a short film cut into every one or two frames cannot be automatically conveyed because there is no method other than manual conveyance.

The present invention has been made to solve the above problems, and provides a film transporting device capable of automatically transporting a short film cut into one frame or a plurality of frames. The purpose.

[0005]

To achieve the above object, the invention of claim 1 conveys a film by sandwiching a portion other than an image portion of the film between the base plate and the base plate. It is configured to include one endless belt, and pressing means arranged to press the outer peripheral surface of the endless belt in the vicinity of the film sandwiching portion by the base plate and the endless belt.

According to a second aspect of the present invention, a film is provided between a base in which a pair of convex portions corresponding to portions other than the image portion of the film are formed in parallel, and the respective convex portions of the base plate. Of a pair of endless belts arranged in parallel to convey the film by sandwiching a portion other than the image portion, and in the vicinity of the film sandwiching portion by the base plate and the endless belt, so as to press the outer peripheral surface of the endless belt. And a pressing means arranged at.

[0007]

According to the first aspect of the present invention, the film is conveyed while sandwiching a portion other than the image portion of the film between the base plate and at least one endless belt. Further, a pressing means is arranged near the film holding portion between the base plate and the endless belt so as to press the outer peripheral surface of the endless belt. Therefore, if a film is inserted between the pressing means and the endless belt, the film is sandwiched between the pressing means and the endless belt and conveyed to the film sandwiching portion between the base plate and the endless belt, The film can be automatically conveyed by sandwiching the film with the endless belt.

At this time, since the film is conveyed while sliding on the base plate due to friction with the endless belt, any length such as a short film cut or a mounted film cut for each frame or a plurality of frames may be used. Even a film can be transported.

According to the second aspect of the present invention, the base plate is provided with a pair of convex portions which are formed in parallel so as to correspond to portions other than the film image portion. Then, the film is sandwiched between the pair of convex portions and the pair of endless belts, and is automatically conveyed while sliding on the base plate due to friction with the endless belt, as in the first aspect of the invention. It

According to the second aspect of the present invention, since a pair of convex portions and a pair of endless belts sandwich and convey the vicinity of both side edges of the film, the film can be stably and automatically conveyed. .

In each of the above inventions, the perforation perforated portion of the film is suitable as the portion for sandwiching the film. In this case, the width of the endless belt is preferably the same or substantially the same as the width of the perforation. Further, in a panoramic photograph, since an image is photographed horizontally in the center of the film, the width of the endless belt may be such that it covers both the non-photographed portion and the perforation perforation portion. The width may be the same as or substantially the same as the width of the perforation.

In each of the above inventions, in order to prevent the endless belt from shifting in the width direction, it is preferable to provide belt lateral shift preventing means.

As the pressing means, a pressing roller such as a roller or a pressing member having a sliding portion on which the film slides can be used.

[0014]

Embodiments of the present invention will now be described in detail with reference to the drawings. FIG. 1 shows an embodiment in which the present invention is applied to a printer. A light source 12 is arranged inside the main body, and a film transport device 1 of the present embodiment is provided on the light beam irradiation side of the light source 12.
0 is placed. A lens 14 is arranged on the light-transmitting side of the film conveying device 10, and a photographic paper conveying device 16 is arranged on the light-transmitting side of the lens 14 so that the photographic paper is positioned at the image formation position of the lens 14. A motor 20 for driving the film transport device 10 is housed inside the main body. In addition, the film transport device 10 and the light source 12
A color control filter is placed between and.

When the apparatus of FIG. 1 is used as a VTR apparatus for filming and recording a film image with a camera, the VTR camera is arranged at the position of the photographic printing paper conveying apparatus 16, and this VTR is indicated by a broken line. Recording device 18 on the camera
Are connected.

Next, the details of the film transport device 10 will be described with reference to FIGS. The film transport device 10 includes a base plate 22. As shown in FIG. 3, a pair of convex portions 24 extending in parallel in the film transport direction are formed on both side edges of the base plate 22. In addition, an opening 26 having a size substantially the same as that of the image frame is formed in a substantially central portion of the base plate 22 for transmitting a light beam from the light source 12. The base plate 22 only needs to be light transmissive, and the light transmissive base plate 22 may be formed by forming the opening 26 in the light non-transmissive material as described above. May be a translucent milky white plate to serve as a light-transmissive base plate.

A slope 28 is formed on the downstream side of the base plate 22 in the film transport direction. In the vicinity of the upper portion of the inclined surface 28, so as to extend in the direction orthogonal to the film transport direction,
The drive shaft 30 is rotatably arranged, and the drive shaft 3
Drive pulleys 32 each having a plurality of protrusions extending in the axial direction are fixed to both ends of 0. A drive pulley 34 is fixed to the drive shaft 30. The drive pulley 34 is connected to the output shaft of the motor 20 by a timing belt (transmission belt with teeth).

A driven shaft 36 is rotatably supported in parallel with the drive shaft 30 near the upstream end of the base plate 22 in the carrying direction. The drive pulley 3 is provided at both ends of the driven shaft 36.
The driven pulleys 38 having the same structure as those of No. 2 are fixed. Each of the drive pulley 32 and the driven pulley 38 is
The endless belt 40, which is a timing belt having a large number of teeth formed on the inner peripheral surface thereof, is hung and connected. The width of the endless belt 40 is formed to be the same or substantially the same as the width of the perforations formed in the film, and the distance between the endless belts 40 is the same as or substantially the same as the distance between the two perforation rows formed in the film. The positions of the drive pulley 32 and the driven pulley 38 are determined so as to be the same.

Above the endless belt 40, the drive shaft 30,
Shafts 42 and 44 are rotatably arranged so as to be parallel to the driven shaft 36. Grooves 46A having the same or substantially the same width as the endless belt 40 are formed at the both ends of the shafts 42 and 44 over the entire circumference. The belt lateral deviation prevention roller 46 is fixed.

A film set table 50 for setting a film to be conveyed is provided near the lower side of the driven pulley 38 located on the upstream side of the base plate 22 in the conveying direction, and the base plate 22 and the film set table 50 are provided. Between
A rubber roller 52, which serves as a pressing unit that presses the outer peripheral surface of the endless belt 40, is rotatably arranged.
The pressing means can be composed of a pressing roller such as a rubber roller, but can also be composed of a pressing member provided with a sliding portion formed of a cylindrical surface or the like.

As shown in FIG. 4, the rubber roller 52 is
The contact portion between the endless belt 40 and the rubber roller 52 is arranged higher than the film setting surface of the film setting table 50 and lower than the film holding portion between the base plate 22 and the endless belt 40.

Further, a pair of guides 48 for guiding the film are provided along the convex portions 24 of the base plate 22 and the side edge portions of the film setting table 50. This prevents the film from shifting in the direction orthogonal to the transport direction.

A film sensor 5 for detecting the presence / absence of a film near the end of the film setting table 50 on the base plate 22 side.
4 is arranged, and an image sensor 56 for detecting a frame edge is arranged near the end of the base plate 22 on the side of the film set table 50. Film sensor 54 and image sensor 5
6 is connected to a control device 62 for controlling the motor 20.

Next, the operation of this embodiment will be described. When the film 58 to be transported is placed on the film setting surface of the film setting table 50, the presence of the film is detected by the film sensor 54, and the control device 62 controls the motor 20.
Is driven. As a result, the drive pulley 34, the drive shaft 30, and the drive pulley 3 are connected via the timing belt 21.
2 is rotated in the clockwise direction shown by the arrow in FIG. 2, whereby the endless belt 40 is driven while being in contact with the base plate 22. In this state, the leading edge of the film is nipped by the endless belt 40 and the rubber roller 52 and conveyed in the direction of the base plate 22 (the direction of the arrow shown in FIG. 5). The perforation perforated portion of the film is sandwiched between the base plate 22 of the endless belt 40, and the film is conveyed while sliding on the base plate 22 due to friction with the endless belt 40. At this time, the sliding portion of the film with respect to the base plate is on the film edge side of the perforation-perforated portion, so that the image portion of the film is not damaged by sliding. Therefore, the portion of the film that comes into contact with the endless belt may be either the base surface or the emulsion surface of the film.

The rear end of the film is the slope 2 of the base plate 22.
When the position 8 is reached, the sandwiching between the base plate 22 and the endless belt 40 is released, and the transport of the film is stopped.

When an image frame edge is detected by the image sensor 56, pulses generated by a rotary encoder (not shown) are counted, and the image frame is printed at a printing position (in the case of a VTR device, a shooting position. The same applies hereinafter).
The motor is stopped when it is determined that the image frame has reached, and the film conveyance is stopped, and the image frame is positioned at the printing position.

In this state, the opening 26 of the base plate 22 forms a printing range (photographing range in the case of a VTR device; the same applies hereinafter) R shown in FIG.
In the case of R device, it is a photographed image. same as below. ) 60 becomes as shown in FIG. As will be understood from FIG. 7, the print 60 includes the endless belt 40 in addition to the image portion of the film.
And the frame number is recorded. This endless belt 4
The image of 0 acts as a line that distinguishes the image recorded on the film and the frame number, and since the frame number is also recorded in the print 60, in the case of a printer, print reprinting, reprinting, and VTR device In this case, the recorded frame numbers can be used for organizing the recorded images.

In the present invention, a piece cut into one frame or a plurality of frames, a single film, a roll film obtained by joining a plurality of films with a splice tape or the like can be conveyed. In addition, by setting the distance between the endless belts according to the width of the film, it is possible to automatically convey films of any width such as 35 mm and 2B, even if the film is mounted on a frame. It is possible.

The film transporting device may be provided with an antistatic brush, an adhesive roller, etc. for removing dust adhering to the film. Further, although an example in which a pair of endless belts is used has been described above, the film can be conveyed even with a single endless belt if one end side is guided by a guide plate or the like. Therefore, at least one endless belt may be provided.

As described above, according to this embodiment, the following effects can be obtained. Since the belt lateral deviation preventing means is provided, deviation of the belt in the width direction can be regulated. Since the pair of endless belts is used, the film is in close contact with the convex portion of the base plate, and the focus defect can be prevented. Since the width of the endless belt is almost the same as the width of the perforation of the film, it is possible to work on the frame number on the film with the picture as the same image,
This frame number can be used for image retrieval or the like.

The present invention can be applied to an apparatus that requires processing from various sizes of films such as a long film and a short film such as a single frame cut film, and can be cut into an album print or the like. The film can also be used for printing devices.

[0032]

As described above, according to the invention of claim 1, since the film is conveyed while being sandwiched between the base plate and the endless belt, the film is automatically conveyed regardless of the length. The effect of being able to do is obtained.

Further, according to the invention of claim 2, the film is conveyed by the base plate having the pair of convex portions and the pair of endless belts, so that the image portion of the film is prevented from being damaged. Further, the effect that the film can be stably transported can be obtained.

[Brief description of drawings]

FIG. 1 is a schematic view showing an apparatus to which a film transport apparatus of the present invention is applied.

FIG. 2 is a perspective view of a film transport device of this embodiment.

FIG. 3 is an end view of the film transport apparatus of the present invention taken along a line in a direction orthogonal to the transport direction.

FIG. 4 is a front view of the vicinity of a film set table.

FIG. 5 is a schematic plan view of the vicinity of a film set table.

FIG. 6 is an explanatory diagram showing a region to be printed or photographed.

FIG. 7 is a plan view showing a printed or photographed image.

[Explanation of symbols]

 10 film transport device 22 base plate 24 convex portion 30 drive shaft 32 drive pulley 34 drive pulley 38 driven pulley 40 endless belt 46 belt lateral deviation prevention roller 48 guide 50 film set stand 52 rubber roller R baking range

Claims (2)

[Claims] 1. A base plate, at least one endless belt that conveys a film by sandwiching a portion of the film other than the image portion between the base plate, and a film sandwiching portion formed by the base plate and the endless belt. A film transporting device including: a pressing unit disposed in the vicinity thereof so as to press the outer peripheral surface of the endless belt. 2. A portion other than the image portion of the film is provided between a base on which a pair of convex portions corresponding to the portion other than the image portion of the film are formed in parallel, and each convex portion of the base plate. A pair of endless belts arranged in parallel to sandwich and convey the film, and a pressing means arranged to press the outer peripheral surface of the endless belt in the vicinity of the film sandwiching portion by the base plate and the endless belt, And a film transport device including.