JP2001022046A - Film decoupler and film developing device - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To provide a simple film disconnecting device capable of reliably separating a reader and a photographic film. SOLUTION: The film connection releasing device 10 for releasing connection between a leader L and a negative film 1, wherein a first insertion hole and a second insertion hole are formed in the leader L along a traveling direction. When connecting the negative film 1,
The end of the negative film 1 is inserted from the front surface of the leader L into the second insertion hole and moved to the rear surface.
Is inserted into the first insertion hole and moved from the back surface to the front surface, and the projection provided across the first insertion hole is engaged with the engagement hole at the end of the negative film 1 to be connected. And a first release member 13 inserted into the first insertion hole from the surface.
And a second release member that causes the negative film 1 to sag, thereby being inserted into the second insertion hole from the back surface,
The projecting piece inserted into the engagement hole of the negative film 1 is detached from the negative film 1 by the second release member.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a film decoupling device for decoupling a photographic film from a sheet-like reader for performing an automatic development process by connecting a photographic film, and this film decoupling device. To a film developing device to which is attached.

[0002]

2. Description of the Related Art In a film developing apparatus, when developing an exposed negative film (corresponding to a photographic film), a member called a flexible sheet-like reader is used. Alternatively, a plurality of negative films are connected to each other, and a leader connected to the negative films is supplied to a film developing device to perform a negative film developing process. Here, there is a technique disclosed in Japanese Patent Application Laid-Open No. 9-73161 for a method of connecting the leader and the negative film, and this will be described briefly with reference to FIG.

[0003] The reader L has a first
The insertion hole P1 and the second insertion hole P2 are formed at predetermined intervals along the traveling direction. When connecting the negative film 1 to the reader L, the end 1b of the negative film 1 is inserted into the first insertion hole P1 from one surface side (corresponding to the front surface in FIG. 1) of the reader L, and the other is inserted. To the front side (corresponding to the back side in FIG. 1), and further, the end portion 1b of the negative film 1 is inserted into the second insertion hole P2 to be moved from the other side to one side, thereby obtaining the second side. The projection 3a provided across the insertion hole P2 is engaged by engaging the engagement hole 1a provided in the end 1b of the negative film 1.

[0004] When the negative film connected to the reader is loaded into the film developing device, the negative film is subjected to a predetermined developing process and the like, and is discharged out of the device. Then, it is necessary to separate the discharged negative film from the reader.

[0005]

However, in the prior art, the separation of the negative film discharged from the film developing apparatus from the leader is performed manually, which is complicated. In particular, in the case of manual operation by an inexperienced operator, there is a risk that the end of the negative film may be broken. Further, in the case of manual operation, even if the projecting piece 3a can be once detached from the engaging hole 1a of the negative film 1, the negative film 1 is moved to the first insertion hole P1,
When pulling out from the second insertion hole P2, the protruding piece 3a is again caught in the engagement hole 1a, and there is also a problem that the negative film 1 cannot be removed properly.

The above-mentioned Japanese Patent Application Laid-Open No. 9-73161 discloses an apparatus for automatically releasing the connection between the reader and the negative film. However, a transport mechanism for causing the negative film to be slack is provided. Therefore, the configuration becomes complicated and it cannot be said that the operator can handle it easily.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and an object of the present invention is to use a simple film decoupler capable of reliably separating a reader from a photographic film and a film decoupler. An object of the present invention is to provide a film developing device.

[0008]

According to the present invention, there is provided a film decoupler for connecting a photographic film to a sheet-like reader for automatic development by connecting the photographic film to the photographic film. A film disconnecting device for releasing, wherein a first insertion hole and a second insertion hole are formed at a rear portion of the leader at a predetermined interval along the traveling direction. When connecting the film, the end of the photographic film is inserted into the first insertion hole from one side of the reader and moved to the other side, and further, the end of the photographic film is It is inserted into a second insertion hole and moved from the other surface side to the one surface side, and a protrusion provided so as to cross the second insertion hole is provided on an end of the photographic film. By engaging the hole A first release member inserted into the first insertion hole from the one surface side, wherein the first release member is configured to release the connection between the reader and the photographic film. A second release member inserted into the second insertion hole from the other surface side in a state where the photographic film is sagged by the insertion of the release member, and the photographic film is provided by the second release member. The projecting piece inserted into the engaging hole is detached from the photographic film.

The operation of this configuration is as follows. (1) The reader connected to the photographic film discharged from the film developing device is set in the film decoupler. (2) Insert the first release member into the first insertion hole from one side of the reader, thereby causing the photographic film to sag. (3) Next, the second release member is inserted into the second insertion hole from the other surface side. Thereby, the protruding piece inserted into the engagement hole of the photographic film is detached from the photographic film.

By pulling out the photographic film in this state, the photographic film can be reliably separated from the reader. In this case, there is no inconvenience that the engaging hole of the photographic film is caught again. Further, since there is no need to separately provide a transport mechanism in order to cause slack in the photographic film, a simple film disconnecting device can be provided.

As a preferred embodiment of the present invention, the first
The second release member may be configured to start operating in conjunction with the release member being inserted into the first insertion hole by a predetermined amount.

According to this structure, since the second release member is operated after the first release member causes the photographic film to be slacked, the operation of removing the photographic film from the reader is reliably performed. be able to.

In another preferred embodiment of the present invention, the first releasing member has flexibility. First
When the second release member is inserted into the second insertion hole while the release member is inserted into the first insertion hole and the photographic film is slackened, a force acting to deform the first release member acts. I do. (Refer to FIG. 4 and FIG. 5 for describing the embodiment, which will be described later in detail.) At this time, the first release member is deformed by being flexible, and the second release member is inserted. When excessive force acts on the photographic film,
Bending can be prevented.

In still another preferred embodiment of the present invention,
A plurality of the first and second release members are provided, each of which can release the connection of a plurality of photographic films at the same time.

When a plurality of photographic films are connected to the reader, by providing a plurality of first and second release members, they can be simultaneously operated to release the connection of the plurality of photographic films at the same time. . Thereby, the efficiency of the photographic film removal operation can be improved.

According to another aspect of the present invention, there is provided a film developing apparatus for performing a developing process of a photographic film, comprising: an insertion section for inserting the reader connected to the photographic film; A developing section for performing processing, a discharge section for discharging the photographic film after the development processing, and a film stock section for stocking the discharged photographic film, wherein a frame member constituting the film stock section is provided. And a film disconnecting device having the above-mentioned characteristic configuration is attached.

When developing a photographic film,
This is inserted from the insertion portion while being connected to the reader.
When the development processing is completed, the photographic film is discharged from the discharge section and stored in the film stock section. By attaching the film decoupling device to the frame member constituting the film stock unit, the operator can perform an operation for releasing the connection between the reader and the photographic film. Since the film disconnecting device can be attached to a place different from the insertion portion, the reader can be removed without disturbing the operation in the insertion portion.

[0018]

Preferred embodiments of the present invention will be described with reference to the drawings. 1 and 2 are views showing a leader and a coupling mechanism between the leader and the negative film. <Structure of Reader> The reader L is composed of a reader body 2 and two connecting sheet members 3. In the reader body 2,
A perforation 2a that engages with a sprocket (not shown) in the film developing device is formed at the center.
The connection sheet material 3 is bonded to the rear end side of the leader L in the traveling direction (indicated by the arrow A in FIG. 1) by an appropriate method such as adhesion.

In the connecting sheet material 3, a first insertion hole P1 and a second insertion hole P2 are formed at predetermined intervals in order from the rear end side in the traveling direction of the leader L. The second insertion hole P2 is formed on the front side in the traveling direction, and the first insertion hole P1 is formed on the rear side. The first insertion hole P1 is formed as a rectangular hole having substantially the same width as the width of the negative film 1. A pair of projecting pieces 3a are formed so as to cross the second insertion hole P2 along the traveling direction. The protruding piece 3a extends from one side in the traveling direction of the second insertion hole P2 along the rear side in the traveling direction, and engages with a pair of engagement holes 1a formed in the end 1b of the negative film 1. can do. A groove 3b is formed at the tip of the projecting piece 3a so that the projecting piece 3a is easily deformed. In FIG. 1, the left side shows a state before the negative film 1 is connected, and the right side shows a state in which the negative film 1 has been connected. The negative film 1 shown here is a new type of film called APS.

FIG. 2 shows that the reader body 2 has a connecting sheet material 3 attached thereto.
Shows the state before combining. A first insertion hole P1 and a second insertion hole P2 are also formed in the reader body 2 similarly to the connection sheet material 3.

Next, the procedure for connecting the negative film 1 to the reader L will be described. First, the end 1b of the negative film 1 is inserted into the first insertion hole P1 of the reader L. The reader L is inserted from the front surface (the surface shown in FIG. 1 and corresponds to one surface side) to the back surface (corresponding to the other surface side). Next, the end 1b of the negative film 1 moved to the back surface is inserted into the second insertion hole P2. The insertion is performed from the back surface of the reader L to the front surface. When the negative film 1 is inserted into the second insertion hole P2, the projection 3a is inserted so as to be pushed away, so that the projection 3a is deformed at one end. Thereafter, the projection 3a is inserted into the engagement hole 1a. Thus, the connection between the leader L and the negative film 1 is completed.

<Structure of Film Decoupling Device> FIG. 3 is a perspective view showing the appearance of the film decoupling device 10. As described above, the developing process is performed with the two negative films 1 connected to the reader L. When the developing process is completed, the negative film 1 and the reader L need to be separated again. For this purpose, the film disconnecting device 10 is used.

The film decoupling device 10 includes a main body base 1
1 and an operation unit 12 rotatable with respect to the main body base 11. The operation unit 12 includes a pair of first release members 1.
3 are provided so that the connection of the two negative films 1 can be released at the same time. The first release member 13 is
It is preferably formed of nylon and has flexibility, and furthermore, two holes 13a are formed so as to be easily deformed. A rubber rubber 14 is provided on the operation unit 12 to prevent slippage when operated by hand.
In addition, a cushion 15 for holding down the leader L is provided between the pair of first release members 13.

<Explanation of Operation> Next, the operation of releasing the connection between the leader L and the negative film 1 by using the film release device shown in FIG. 3 will be described with reference to FIGS. FIG. 4 (a)
, The first release member 13 is rotatably supported around the support shaft 13b. The first release member 13 is
A first operating piece 13c inserted into the first insertion hole P1 and an interlocking pin 13d are provided. The second release member 16 is rotatably supported around the support shaft 16a, and includes a second operating piece 16b inserted into the second insertion hole P2, and a second release member 1.
And a linking piece 16c with which the third linking pin 13d contacts. Further, a spring 17 for urging the first release member 13 in a clockwise direction around the support shaft 13b is provided (the drawing is schematically shown).

FIG. 4A shows an initial state. The reader L is set so that the tip of the first operating piece 13c faces the first insertion hole P1. In this state, the operation unit 12 is manually operated to rotate the first release member 13 counterclockwise around the support shaft 13b. As a result, the first operating piece 13c is inserted into the first insertion hole P1, causing the negative film 1 to sag (see FIG. 4B). When the first release member 13 is further rotated, the state becomes as shown in FIG. 4C, and the slack deformation of the negative film 1 increases. Since the first operating piece 13c of the first release member 13 has flexibility, the first operating piece 13c can also be deformed following the slack deformation of the negative film 1.

When the first releasing member 13 is rotated by a predetermined angle, the interlocking pin 13d is connected to the interlocking piece 1 of the second releasing member 16.
6c, and rotates the second release member 16 counterclockwise around the support shaft 16a (see FIG. 5A). When the second release member 16 is further rotated, the second operation piece 16b is inserted into the second insertion hole P2. Thereby, the protruding piece 3a is detached from the engaging hole 1a of the negative film 1 (see FIG. 5B). When the operating unit 12 is released in this state, the spring 17
The first release member 13 and the second release member 16 try to return to the original state due to the urging force. At this time, the end 1b of the negative film 1 is inserted into the second insertion hole P by the frictional force between the first operating piece 13c, the second operating piece 16b, and the negative film 1.
2 (see FIG. 5C). Thereby, the negative film 1 can be removed from the reader L.

As described above, by using the film disconnector 10, the negative film 1 can be easily separated from the reader L. In addition, since two negative films 1 can be separated at a time, work efficiency is high.

<Example of Application to Film Developing Apparatus> FIG.
This is an example in which the film disconnecting device 10 is attached to the film developing device 20. The film developing device 20 includes an insertion section 21, a development processing section 22, a drying processing section 23, a discharge section 24, and a film stock section 25.

When the processing of the negative film 1 is performed, the negative film 1 is connected to the reader L, the lid of the insertion portion 21 is opened, and the reader L with the negative film 1 is loaded. Negative film 1
After a predetermined process is performed by the developing unit 22 and the drying unit 23, the sheet is discharged from the discharge unit 24. The discharge unit 24 is provided with a discharge roller 24a. The discharged leader L and the negative film 1 slide down on a guide 25a provided in the film stock unit 25 and are sequentially stocked. To go.

The film disconnecting device 1 described with reference to FIG.
0 is attached with a screw (not shown). The operator
The reader L can be disconnected from the negative film 1 where the film disconnector 10 is provided.
The frame member 25b is preferably formed of a transparent resin.

Conventionally, the operator often manually separates the reader L from the negative film 1 at the place where the insertion portion 21 is provided. In that case, when performing the separating operation, the operation efficiency was poor because the negative film 1 could not be inserted from the insertion portion 21. However, if the configuration shown in FIG. The work of separating the leader L and the negative film 1 can be performed without interfering.

<Another Embodiment> (1) In this embodiment, the reader L is constituted by the reader main body 2 and the connecting sheet material 3, but the shape of the connecting sheet material 3 is formed on the reader main body 2 itself. Alternatively, a configuration in which the connecting sheet material 3 is not provided may be employed. (2) The number of the negative films 1 (photographic films) connected to the reader L is not limited to two, but may be one or three or more.

(3) In this embodiment, APS is described as an example of the negative film 1. However, the present invention is not limited to this, and another type of film may be used.

[Brief description of the drawings]

FIG. 1 is a diagram showing a reader and a coupling mechanism between the reader and a negative film.

FIG. 2 is a view showing a reader and a sheet material for connection;

FIG. 3 is a perspective view showing the appearance of a film disconnector.

FIG. 4 is a view for explaining a releasing operation by a film connection releasing device (part 1);

FIG. 5 is a view for explaining a release operation by a film connection release device (part 2);

FIG. 6 is an external view of a film developing device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Negative film 2 Leader main body 3 Connection sheet material 10 Film decoupler 13 First release member 16 Second release member 20 Film developing device 25 Film stock part 25b Frame member L Leader P1 First insertion hole P2 Second insertion hole

Continuation of the front page (72) Inventor Atsushi Hirooka 579 Umehara Umehara, Wakayama City, Wakayama Prefecture F-term in Noritsu Koki Co., Ltd. 2H112 AA11 AA14 BA28 BC46 EA09

Claims (5)

[Claims] 1. A film disconnecting device for releasing the connection between a photographic film and a sheet-like reader for performing an automatic development process by connecting a photographic film, wherein the reader has a moving direction. At the rear, a first insertion hole and a second insertion hole are formed at a predetermined interval along the traveling direction, and when connecting the photographic film, the photographic film is inserted from one side of the reader. Of the photographic film is inserted into the second insertion hole, and the other end is inserted into the second insertion hole. To engage the engaging piece provided across the second insertion hole with the engaging hole provided at the end of the photographic film, thereby connecting the connected reader and the photographer. Unlink film A first release member inserted into the first insertion hole from the one surface side; and a state in which the photographic film is slackened by the insertion of the first release member. A second release member inserted into the second insertion hole from the other surface side, and the projecting piece inserted into the engagement hole of the photographic film is detached from the photographic film by the second release member. A film disconnecting device characterized in that the film is disconnected. 2. The apparatus according to claim 1, wherein said second release member is started to operate in conjunction with said first release member being inserted into said first insertion hole by a predetermined amount. The film disconnector according to claim 1. 3. The film decoupling device according to claim 1, wherein the first decoupling member has flexibility. 4. The apparatus according to claim 1, wherein a plurality of the first and second release members are provided, and the connection of the plurality of photographic films can be released simultaneously. A film disconnector as described. 5. An insertion section for inserting the reader to which the photographic film is connected for performing the development processing of the photographic film; a development processing section for performing the development processing of the photographic film; And a film stocking unit for stocking the discharged photographic film. A frame member constituting the film stocking unit, wherein: A film developing apparatus provided with the film decoupling device according to any one of the preceding claims.