JP2002341510A - Leader - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a leader easily produced while securing the sure coupling of film with the leader, and also realizing excellent operability with simple constitution even in the case of coupling both of them by manual work. SOLUTION: This leader is constituted of a sheet type leader main body 2, and a film coupling piece 3 made of flexible sheet material whose front end is spliced and integrated with the rear end of the surface of the main body 2 by adhesion. The rear end of the coupling piece 3 is constituted as a knob part for engaging operation 5 integrally provided with two engaging pieces 6 and 6. The engaging pieces 6 and 6 are constituted to project in a carrying direction and freely engage with the rear end of the back surface of the main body 2. By the operation of the knob 5, all the engaging pieces 6 and 6 are rocked simultaneously.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a case where a photographed film is developed by a leader transport type automatic developing device, and is connected to the leading end of the film and is pulled to be transported to each process in the developing device. About film traction leaders.

[0002]

2. Description of the Related Art When a photographed film is developed by an automatic developing apparatus, a leader and a film are connected by some means, and the leader is transported in the automatic developing apparatus ahead of the film. Various connection structures have been proposed in the past.

For example, as shown in FIG. 8, a leader body (52) and a connecting piece (5) provided at its rear end in the transport direction are provided.
3), the front end of the connecting piece (53) in the transport direction is joined to the surface of the leader body (52), and a plurality of engagements are provided behind the joined portion of the leader body (52) in the transport direction. Holes (54) and (54) are provided, and engaging pieces (55) and (55), which are rear ends of the connecting pieces (53) in the transport direction, engage with these engaging holes (54) and (54). A possible reader (51) has been proposed (see Japanese Patent Application Laid-Open No. 10-228089).

In connecting the leading end of the film (F) to the leader (51) according to this prior proposal, it is most preferable to use an automatic connecting mechanism in an automatic developing device. That is, after each of the engagement pieces (55) and (55) is pushed up from the base end by the push-up member in the automatic connection mechanism, the push-in having the push-in portions corresponding to these engagement pieces (55) and (55) is performed. Each engaging piece (55) (55)
Are forcibly inserted into the engagement holes (54) and (54) by pushing down the front end portion thereof to connect them.

According to the above-mentioned prior proposal, the film (F) and the leader (5) can be easily used by using the automatic connection mechanism.
This is advantageous in that 1) can be reliably connected and separated.

[0006]

The automatic developing apparatus provided with the above-mentioned automatic coupling mechanism is expensive and requires a relatively large installation area. An automatic developing device having no automatic connection mechanism is employed. In this case, the film (F) and the leader (51) are manually connected. As described above, when connecting manually, the leader (51) according to the preceding proposal has a disadvantage that the connecting operation is difficult. That is, according to the leader (51) according to the above-mentioned prior proposal, each engaging piece (55) (5)
5) are forcibly inserted one by one into the engagement holes (54) and (54) with a finger or the like, or simultaneously, the engagement pieces (55) and (55) are Engagement holes (5
4) It is necessary to forcibly insert into (54), and any operation is troublesome, and there is a concern that the working efficiency is deteriorated.

SUMMARY OF THE INVENTION In view of the above problems, the present invention can be easily manufactured while ensuring reliable connection between a film and a leader, and has a simple configuration even when both are manually connected. An object is to provide a reader that realizes good operability.

[0008]

In order to achieve the above object, a leader according to the present invention comprises a sheet-shaped leader body and a flexible body having a front end integrated with a front end of the front surface of the leader body. And a film connecting piece made of a sheet material, and a rear end of the film connecting piece is provided with a plurality of engaging pieces which are respectively inserted into a plurality of engaging holes at the leading end of the film. It is configured as an operation knob, and the engaging piece is configured to protrude in the transport direction and be capable of engaging with the rear end of the back surface of the leader body.

According to the present invention, the rear end of the film connecting piece is provided with an engaging operation knob integrally provided with a plurality of engaging pieces respectively inserted into a plurality of engaging holes at the leading end of the film. Since all of the engaging pieces are pivoted in conjunction with the operation of the engaging operation knob, the engaging pieces are swung. Therefore, all the engagement pieces can be simultaneously engaged with the rear end of the back surface of the leader main body by a single operation of operating the engagement operation knob, thereby achieving good operability. In addition, since the rear end of the film connecting piece is configured as an engagement knob, there is no need to use a separate member for connecting the film and the leader, and the above-described good operability can be realized with a simple configuration. Can be. Further, since the engaging piece is configured to protrude in the transport direction and be capable of engaging with the rear end of the back surface of the leader body, the engaging piece is engaged with the main body, so that the engaging piece is engaged. The base end portion can reliably prevent the film from being pulled out in the pulling-out direction, and also can prevent the film from being pulled out in the transporting direction, so that reliable connection between the leader and the film can be ensured.
Furthermore, since it consists of a sheet-shaped leader body and a film connecting piece made of a flexible sheet material in which the front end is integrated with the front end of the front surface of the leader body, it is easy to manufacture by integrating both. can do.

[0010] At the rear end of the leader body, a notch having an opening set to be smaller than the film is provided, while the film connecting piece is provided with the engaging operation knob having the notch. In the case of being formed in a shape corresponding to the notch and being integrated so as to face the notch, the opening of the notch is set to have a small width and the portion of the reader body corresponding to the opening is formed. Is formed so as to protrude, thereby pressing the film to suppress its swing,
It is possible to prevent the engagement structure from being released by the film swinging up and down, and to reliably prevent the film from being pulled out. In addition, the engaging operation knob is formed in a shape corresponding to the notch, and is integrated with the notch so as to face the notch. It does not degrade sex.

The film connecting piece is provided with positioning engagement means for the leader body, while the leader body is provided with engaged means engaged with the positioning engagement means. Thus, when the film connecting piece is arranged at a predetermined position on the leader body and the engaging piece is engaged with the rear end of the back surface of the leader body, the film connecting piece positioning The film connecting piece can be simply and reliably arranged at a predetermined position of the leader body simply by engaging the engaging means with the engaged means of the leader body.

The positioning engaging means is an engaging notch provided on both side edges of the film connecting piece, while the engaged means is a pair of front and rear provided at a rear end of the leader body. The engagement notch is engaged with the inter-slit engagement portion in a state where the connection piece is inserted into the two slits. In this case, the film connecting piece can be reliably disposed at a predetermined position of the leader body with a simple configuration. Moreover, since the engagement notch and the inter-slit engagement portion are engaged in a state in which the connection piece is inserted into the two slits, the connection piece is less likely to be displaced with respect to the leader body. Joining work becomes easy.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A reader according to the present invention will be described based on one embodiment shown in the drawings.

The reader (1) according to this embodiment is preferably used for a film (F) for an advanced photo system (APS). The film (F) is sequentially transported in the direction indicated by the arrow in FIG. 1, that is, forward.

As shown in FIGS. 1 to 4, the leader (1) has a rectangular sheet-shaped leader body (2) made of a synthetic resin such as drawn polyester, and a rear end edge of the leader body (2). A film connecting piece of a flexible sheet material made of a synthetic resin such as a stretched polyester having a front end integrated with a rear end of the surface in a state where the front end is integrated,
Consists of

As described above, the leader (1) according to the present embodiment comprises the leader body (2) and the film connecting piece (3).
It can be easily manufactured by joining and integrating them. Moreover, since the film connecting piece (3) is made of a flexible sheet material, it can be easily bent.

The film connecting piece (3) has an opening (4) at the rear as shown in FIG.
The rear edge, that is, the rear side of the opening (4) is configured as an engagement operation knob (5), and the knob (5) is a notch of a leader body (2) described later. Both rear corners are cut off to correspond to (9). The engagement operation knob (5) has a pair of left and right engagement pieces (6) (6) protruding forward in the transport direction, that is, at the front edge thereof, and a pair of left and right front ends of the film (F). Are respectively inserted into the engaging holes (F1) and (F1). Therefore, the two engagement pieces (6) (6)
Is pivoted up and down through the opening (4) in conjunction with the vertical bending operation of the knob (5), and a notch (9) on the back surface of the leader body (2) described later.
It is configured so as to be freely engageable with the bottom edge (9b).

By operating the engagement operation knob (5), the leading ends of the engagement pieces (6) and (6) are cut out on the back surface of the leader body (2) as described later. 9) It can be simultaneously engaged with the bottom edge (9b), and good operability can be realized. Moreover, the engaging operation knob (5) is formed as a rear end of the film connecting piece (3), and does not require a separate member for connecting the leader (1) and the film (F). Good operability can be realized with a simple configuration. In addition, since the engagement pieces (6) and (6) are formed in the transport direction, it is possible to reliably prevent the film (F) from being pulled out in the pull-out direction at these base ends. Since the leading end is locked to the back surface of the main body (2), it is possible to prevent the leader (1) from being pulled out in the transport direction, and to reliably connect the leader (1) and the film (F).

The film connecting piece (3) has a pair of engaging notches (7) as positioning means for the leader main body (2) formed on both side edges substantially at the intermediate portion in the front-rear direction. Although it is made possible to engage with the interengaging portion (11), its specific structure will be described later.

On the other hand, as shown in FIG. 2, the leader body (2) has, at one end in the width direction, a feed hole (8) which is engaged with a feed sprocket provided in the automatic developing device.
(8) are formed at regular intervals, while the opening (9a) is set slightly narrower than the film (F) at the approximate center of the rear end, and the bottom edge (9b) is formed on the film (F). A notch (9) which is set slightly wider is provided. Since the opening (9a) of the notch (9) is set to have a slightly smaller width, the leading end of the film (F) is pressed by the portion of the leader body corresponding to the opening (9a). Swing is suppressed, and the film (F) and the leader (1) are more reliably connected.

In the leader body (2), a pair of slits (10a) for inserting a pair of front and rear connecting pieces slightly larger than the width of the film connecting piece (3) in front of the notch (9).
(10b) are formed and these slits (10a)
(10b) An inter-slit engaging portion (11) as an engaged means to be engaged with the engaging notch (7) of the connecting piece (3).
The specific structure will be described later.

Next, the joining structure of the film connecting piece (3) and the leader body (2) will be described. Specifically, as shown in FIG. 3, the film connecting piece (3) has its rear edge aligned with the leader body (2), and the engaging operation knob (5) is inserted into the notch (9). In a face-to-face state, the front end is bonded and integrated to the surface of the leader body (2) by adhesion. In this jointed and integrated state, the leading ends of the engagement pieces (6) and (6) are connected to the notch (9) bottom edge (9b) of the leader body (2) and the rear side connection piece insertion slit. (10b) The two engaging pieces (6)... Are brought into contact with the rear edge, and the leader body (2)
Is set so as to be able to engage with the back surface.

In order to position the film connecting piece (3) at the above-mentioned predetermined position of the leader body (2), the following positioning means is employed in the leader (1) of the present embodiment. That is, as described above, FIG.
As shown in FIG. 3 and FIG. 3, the notch for engagement (7) is employed as the positioning engagement means in the film connecting piece (3), while the leader body (2) is front and rear as the engaged means. A pair of connecting piece insertion slits (10a) (10
b) An inter-slit engaging portion (11) formed between the notches is adopted, and the inter-slit engaging portion (11) extends from one engaging notch (7) to another engaging notch (7). In this state, the connecting piece (3) is disposed at a predetermined position of the leader body (2). The leader body (2) has connecting piece support portions (1) on both side edges of the inter-slit engaging portion (11).
2) and (12) are formed so as to face both the engagement notches (7) and (7) of the film connecting piece (3), and support both side edges of each engagement notch (7) and (7) from below. The engaging notches (7) and (7) and the inter-slit engaging portion (11) are securely engaged.

Next, a method of joining and integrating the film connecting piece (3) with the leader body (2) will be described. First, the front end of the film connecting piece (3) is inserted into the pair of connecting piece inserting slits (10a) and (10b) so as to go under the slit engaging portion (11). Then, the notch for engagement (7) on one side edge of the film connecting piece (3) is engaged with the inter-slit engaging portion (11) with both edges supported from below by the connecting piece supporting portion (12). After engaging the corresponding side edge, the notch (7) of the other side edge is forcibly engaged in the same state. Thereby, the film connecting piece (3) can be easily and securely arranged at a predetermined position of the leader body (2), and the connecting piece (3) is inserted into the pair of slits (10a) (10b). In this state, the engaging notch (7) and the inter-slit engaging portion (11) engage, so that the connecting piece (3) is connected to the leader body (2).
It is difficult to disengage the two from each other, and the joining operation of the two described later becomes easier. Subsequently, an adhesive is applied to the back surface of the front end of the film connecting piece (3), and particularly, as shown in FIG. The joining method is not particularly limited. For example, an adhesive is applied to the back surface of the front end portion of the main body (2) in advance, and the adhesive is protected by a release tape. The peeling tape may be peeled off and joined.

The connection of the film (F) to the leader (1) is performed as follows. That is, first, the engagement operation knob (5) is pressed down with a finger or the like. Then, the pair of engaging pieces (6) and (6) are linked with the operation, and the tips are directed obliquely upward. (F1)
(F1). Next, contrary to the above operation, when the engagement operation knob (5) is pushed up, the two engagement pieces (6) and (6) swing downward in conjunction with this, and the tip ends thereof It is elastically deformed and rides over the notch (9) bottom edge (9b) of the leader body (2) and engages with the notch (9) bottom edge (9b) on the back surface of the leader body (2). Then, a portion of the leader main body (2) corresponding to the notch opening (9a) of the leader main body (2) is twisted and positioned on the top surface of the leading end of the film (F). To suppress the vertical swing. In this way, the film (F) can be connected to the leader (1), particularly as shown in FIG.

Although the embodiment of the reader according to the present invention has been described above, the present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the spirit of the present invention. For example, the following changes are possible.

The reader (1) according to the present embodiment comprises an AP
It is preferably used for an S film (F), that is, a film in which a pair of left and right engagement holes (6) and (6) are formed at the front end.
It can also be used for 5 mm film (F2). As shown in FIGS. 5 to 7, this head adapter (20) is formed by cutting a long tape having an adhesive layer on the back surface into a predetermined length, folding the front part in half, and forming a double. The tip corner is dropped, and a pair of left and right engagement holes (26) and (26) are formed in the tip to correspond to the tip of the APS film (F). As shown in FIG. 6, the adhesive surface on the back of the head adapter (20) is attached to the tip of a 35 mm film (F2) from which the step (F3) has been cut, and as shown in FIG. The head adapter (2) is attached to the reader (1) according to the embodiment.
0) in combination. FIG. 6 is a plan view showing the 35 mm film after the head adapter is attached, together with the cut end step portion (F3). According to the head adapter (20), the front portion is formed double, so that damage to the engagement hole can be prevented. Moreover, the reader (1) can be used regardless of the type of the film to be connected.

The leader body (2) in this embodiment is provided with a notch (9) substantially at the rear end, and the bottom edge (9b) of the notch (9) on the back surface is used. )
The engagement pieces (6) and (6) are engaged with each other. For example, a film insertion hole is provided behind the connection piece insertion slit, and the engagement pieces are engaged with the front edge of the insertion hole. It may be the one that causes it.

[0029]

As described above, according to the leader according to the present invention, all the engagement pieces are swung in conjunction with the operation of the engagement operation knob, thereby operating the engagement operation knob. With this single operation, all the engagement pieces can be simultaneously engaged with the rear end of the other surface of the reader main body, and good operability can be realized. Moreover, there is no need to use a separate member for connecting the film and the leader, and the above-described good operability can be realized with a simple configuration. In addition, the base end of the engagement piece can reliably prevent the film from being pulled out in the pulling direction, and also can prevent the film from being pulled out in the transport direction, ensuring a reliable connection between the leader and the film. can do. Furthermore, since it is composed of the sheet-shaped reader main body and the film connecting piece, it can be easily manufactured by integrating both.

At the rear end of the leader body, a notch having an opening set to be smaller than the film is provided, while the film connecting piece has a rear edge which is the rear edge of the leader body. When the engaging operation knob portion is formed in a shape corresponding to the notch portion and is integrated so as to face the notch portion, the notch set to have a small width. By pressing the leading end of the film by the portion of the leader body corresponding to the opening of the portion, the swinging of the film can be suppressed, and the situation where the engagement structure is released by the film swinging up and down is prevented, There is an advantage that the removal of the film can be prevented more reliably. In addition, since the engaging operation knob is formed in a shape corresponding to the notch, and is integrated so as to face the notch, the knob can be operated without any trouble.

The film connecting piece is provided with positioning engaging means, while the leader body is provided with engaged means which is engaged with the positioning engaging means. When the film connecting piece is arranged at a predetermined position of the leader body in a mode in which the engaging piece is engaged with the rear end of the other surface of the leader body, the positioning of the film connecting piece is performed. There is an advantage that the film connecting piece can be simply and reliably arranged at a predetermined position of the leader body simply by engaging the engaging means of the leader with the engaged means of the leader body.

The positioning engaging means is an engaging notch provided on both side edges of the film connecting piece, while the engaged means is a pair of front and rear provided at a rear end of the leader body. The engagement notch is engaged with the inter-slit engagement portion in a state where the connection piece is inserted into the two slits. In this case, there is an advantage that the film connecting piece can be reliably disposed at a predetermined position of the leader body with a simple configuration. Moreover, in a state where the connecting piece is inserted into the two slits, the engaging notch and the inter-slit engaging portion are engaged with each other,
The connecting piece is hardly displaced with respect to the leader body, and the joining work of both is easy.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of a reader according to the present invention.

FIG. 2 is a plan view showing the leader according to the embodiment in a state where a leader main body and a film connecting piece are separated.

FIG. 3 is an enlarged plan view of a main part of the reader.

FIG. 4 is an enlarged plan view of a main part of the reader with an APS film connected thereto.

FIG. 5 is a plan view showing a head adapter used when the reader is applied to a 35 mm film.

FIG. 6 is a plan view showing an attached state of the head adapter.

FIG. 7 is a plan view showing a leader connected to a 35 mm film using the head adapter.

FIG. 8 is a plan view of a main part in which a film to which a conventional leader is connected is indicated by a dotted line.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Leader 2 ... Leader main body 3 ... Film connection piece 5 ... Engagement operation knob 6 ... Engagement piece 7 ... Engagement notch 9 ... Notch 9a ... Opening 9b ... Bottom edge 10a, 10b ... Connection piece Slit for insertion 11 ... engaging part between slits

Claims (4)

[Claims] 1. A sheet-like leader body (2), and a film connecting piece (3) made of a flexible sheet material having a front end integrated with a rear end of the front surface of the leader body (2). A rear end of the film connecting piece (3) is provided with a plurality of engaging pieces (6), which are respectively inserted into a plurality of engaging holes (F1) at the leading end of the film. The engaging tabs (5) are configured as operating knobs (5), and the engaging pieces (6) are configured to protrude in the transport direction and engage with the rear end of the back surface of the leader body (2). Leader to feature. 2. A rear end portion of the leader body (2) includes:
The opening (9a) is provided with a notch (9) having a width smaller than that of the film (F), while the film connecting piece (3) is provided with the engaging operation knob (5). 2. The reader according to claim 1, wherein the reader is formed in a shape corresponding to the notch, and is integrated so as to face the notch. 3. The film connecting piece (3) is provided with positioning engagement means for the leader body (2), while the leader body is engaged means engaged with the positioning engagement means. The film connecting piece (3) is disposed at a predetermined position of the leader body (2) by the engagement of the two, and the engaging piece (6) is provided.
3. A leader according to claim 1, wherein said leader is engaged with a rear end portion of the back surface of said leader body. 4. An engaging notch (7) provided on both side edges of the film connecting piece.
(7) On the other hand, the engaged means is an inter-slit engagement formed between a pair of front and rear connecting piece insertion slits (10a) (10b) provided at the rear end of the leader body (2). (11), wherein the connecting piece (3) is connected to the two slits (10a) (1
0b), the engagement notch (7)
4. The leader according to claim 3, wherein (7) and the inter-slit engaging portion (11) are engaged.