JP2950095B2 - Leader and film connection structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connection structure between a reader and a film.

[0002]

In general, undeveloped film by the automatic film developing machine of the reader Feed (hereinafter, referred to as a film) if the development processing, as shown in FIG. 8, the leading end of the film F drawn from the film cartridge P reader L, and the film F is transported to the film developing section with the leader L leading.

Here, the leader L is made of a synthetic resin sheet and has flexibility, and a hole a capable of engaging with a feed sprocket provided in the developing section is provided at an equal interval in the center in the width direction. Is formed.

When the film F comes off from the reader L during the developing process of the film F, the film L stops in the processing solution and the developing process cannot be performed, and it is extremely troublesome to take out the stopped film F. And there is a danger that the film is exposed during unloading.

Therefore, the film F needs to be firmly connected to the reader L.

Therefore, conventionally, as shown in FIG. 8 , a leader L and a film F are connected to each other by attaching a splice tape T.

[0007]

By the way, the connection of the film F using the splice tape T is performed in such a state that oil, dust, etc. at the tape application position are removed.
It is time-consuming because it is necessary to attach Further, in order to prevent the film F from coming off and to improve the transportability, it is necessary to use a splice tape T having a strong adhesive force.
There is an inconvenience that peeling of the splice tape T after the film development processing is extremely difficult.

Further, the film F needs to be connected to the leader L at a predetermined position with high accuracy, and a special work table is required for the connection, and the splice tape T
Is disadvantageous because it cannot be reused.

The present invention has solved the above-mentioned conventional disadvantages,
It is a technical object to facilitate connection and disconnection of a reader and a film, and to enable a film to be connected to a reader at a predetermined position with high accuracy without using a special work table.

[0010]

In order to solve the above-mentioned problems, according to the present invention, a sheet piece superposed on one side of a leader is inserted into a pair of cuts formed in the leader.
A film insertion portion is formed between the leader and the sheet piece by being inserted by inserting both side portions, and the sheet piece is provided with a hook which is inclined in the film insertion direction with respect to the film insertion portion, and a longitudinal end of the film is provided. The portion adopts a configuration in which an engagement hole into which the hook piece can be inserted is formed.

Here, even if the hook is formed by cutting and raising the sheet piece, one end of the hook formed separately from the sheet piece is fixed to the surface of the sheet piece, and the other end of the hook is formed on the sheet piece. You may make it face a film insertion part from the hole made.

Further, in order to ensure the engagement between the hook and the engaging hole provided in the film, the reader is provided with an insertion hole into which the hook is inserted.

Further, the engagement holes may be perforations formed in the film in advance, or may be mounting holes formed in the film in advance so as to be connected to the core of the cartridge.

[0014]

According to the present invention having the above construction, the lengthwise end of the film is inserted into the film insertion portion, and the film is inserted until the engagement hole passes through the hook position. By pulling back the film,
The hooks engage the engagement holes to connect the film to the leader.

When the leader and the film are disconnected, the film is pushed in to release the engagement between the engagement hole and the hook, and another insertion piece is inserted between the film and the sheet piece. The film is pulled back together with the insertion piece while covering the engagement hole.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS.

As shown in FIGS. 1 to 4, a flat rectangular reader 1 is formed of a synthetic resin sheet and has flexibility, and feed holes 2 are provided at equal intervals in the center in the width direction. Is formed.

On one surface of the reader 1, a pair of sheet pieces 3, 3 are superimposed on both sides of a rear end portion in the leader transport direction. The sheet piece 3 is formed of a synthetic resin sheet and has elasticity, and both side portions thereof are connected to the reader 1.

The connection of the sheet pieces 3 is as shown in FIG.
A pair of linear cuts 4 are formed in the reader 1, and inserts 3 a provided on both sides of the sheet piece 3 are inserted into the cuts 4 so that the inserts 3 a are engaged with the back surface of the reader 1. Have .

By connecting both sides of the sheet piece 3 to the reader 1, a film insertion portion 5 is formed between the reader 1 and the sheet piece 3, and the width of the film insertion portion 5 is
It is substantially equal to the width of the film 6.

The sheet piece 3 has a hook 7 formed by cutting and raising. The hook 7 is inclined toward the insertion direction of the film 6 to be inserted into the film insertion portion 5, and the tip of the hook 7 is inserted into an insertion hole 8 formed in the reader 1.

Here, the number of the hooks 7 is arbitrary, and two hooks 7 are provided at a required interval in the width direction of the sheet piece 3 in the drawing, but the number of the hooks 7 is one. Alternatively, a plurality of hooks 7 may be provided at required intervals in the width direction and the length direction of the sheet piece 3.

The film 6 is provided with an engagement hole 9 at the end in the length direction into which the hook 7 can be inserted.

Now, when the longitudinal end of the film 6 is inserted into the film insertion portion 5, the hook 7 is pushed upward when the leading end in the insertion direction of the film 6 passes through the position of the hook 7.

As shown in FIG. 5, when the film 6 is inserted to a position where the engaging hole 9 passes through the hook 7, the hook 7 is held in an upwardly deformed state. When the film 6 is pulled back from that state, the hook 7 is deformed downward and engages with the engagement hole 9 at a position where the engagement hole 9 faces the hook 7, and the engagement prevents the film 6 from coming off. The film 6 is connected to the reader 1.

When the connection between the film 6 and the reader 1 is released, the engagement between the engagement hole 9 and the hook 7 is released by pushing the film 6 and the insertion piece 10 shown by the chain line in FIG. Between the film 6 and the insertion piece 10 while the engagement hole 9 is closed by the insertion piece 10.
And pull together.

In the case of the embodiment, the width of the film insertion part 5 is set to be substantially equal to the width of the film 6.
May be larger than the width dimension. When the width is increased, the film 6 is pushed in from the connection state of the film 6 shown in FIG. 2 to disengage the hook 7 from the engagement hole 9, and then the film 6 is moved in the width direction of the film insertion portion 5. Since the positions of the hook 7 and the engagement hole 9 can be shifted in the width direction of the film 6 by moving the film 6, the film 6 can be pulled out without using the insertion piece 10 shown in FIG.

In the example shown in FIG. 4, the hook 7 is formed by cutting and raising, but as shown in FIG. 6 , one end of the hook 7 is attached to the surface of the sheet piece 3 through a means such as bonding.
The other end of the hook 7 may be made to face the film insertion part 5 from the hole 11 formed in the sheet piece 3.

In the example shown in FIG. 4, the engagement holes 9 are provided between the perforations 12 on both sides of the film 6,
The perforations 12 may be used as engagement holes.

In the example shown in FIGS. 7 (a) and 7 (b), a film mounting portion 17 is formed on the core S of the patrone.
A film attachment hook 13 for connecting the film and a projection 15 for position control for preventing the film from coming off are formed. Since the film 16 is inserted from the film insertion port 14, the film insertion end 18 is
The film insertion end 18 is formed with a pair of film mounting holes 9a which engage with the film mounting hooks 13.

The film and the reader may be connected by engaging the hook 7 of the reader 1 with the film mounting hole 9a.

Further, the insertion hole 8 into which the tip of the hook 7 is inserted is formed in the reader 1, but the insertion hole 8 is omitted,
The tip of the hook 7 may be brought into elastic contact with the upper surface of the reader 1.

[0033]

As described above, in the film connecting structure according to the present invention, the film is inserted into the film insertion portion, inserted until the engaging hole passes through the hook position, and then the film is pulled back. The film can be connected to the leader, and the film can be disconnected by pushing in the film, inserting the insertion piece or moving the film in the width direction, and then pulling out the film. It is very easy to perform the connecting operation in a short time, and it is very advantageous for automatic connection.

Further, since the film is inserted into the film insertion portion provided on the reader and connected to the film, the film can be connected to the reader at a predetermined position with high precision, and a special work table is used for the connection. There is no need to use a splice tape or a splice tape, which is advantageous in cost.

Further, a hook is provided on the sheet piece , and both sides of the sheet piece are inserted into a pair of cuts provided in the reader.
Or weakened hook be removable by the reader with the detachment of the film during the development process if replacing the sheet pieces can be prevented before damage can continue to be used.

[Brief description of the drawings]

FIG. 1 is a perspective view showing one embodiment of a film connection structure according to the present invention.

FIG. 2 is a sectional view taken along the line II-II in FIG.

FIG. 3 is a sectional view taken along the line III-III in FIG. 1;

FIG. 4 is an exploded perspective view of the above.

FIG. 5 is a sectional view showing a state in which the film is being connected.

FIG. 6 is a sectional view showing another example of the formation of the hook.

Fig. 7 ( a ) is connected to the core of the film patrone.
( B ) is a cross-sectional view of the connected state.

FIG. 8 is a perspective view showing a conventional film connection structure.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Leader 3 Sheet piece 5 Film insertion part 6 Film 7 Hook 8 Insertion hole 9 Engagement hole 12 Perforation

Claims (5)

(57) [Claims] And 1. A reader in the consolidated structure of the film to be moved <br/> sent by the preceding the leader, the sheet pieces superposed on one surface of the reader, provided in the reader pair
A film insertion part is formed between the leader and the sheet piece by being inserted by inserting the both sides with respect to the notch of the film, and the sheet piece is provided with a hook inclined in a direction of inserting the film with respect to the film insertion part, and the length of the film is provided. A connection structure between a leader and a film, wherein an engagement hole into which the hook can be inserted is formed at an end in a direction. 2. The connecting structure between a leader and a film according to claim 1, wherein the hook is formed by cutting and raising a sheet piece. 3. The connecting structure between a reader and a film according to claim 1, wherein an insertion hole for inserting a hook into the reader is formed. 4. The leader-film connection structure according to claim 1, wherein the engagement holes are perforations formed in advance on both sides of the film. . 5. The reader according to claim 1, wherein the engagement hole is a film attachment hole that engages with an attachment hook of a cartridge core of the patrone. And film connection structure.