JPH06186632A - Film holder - Google Patents

Abstract

PURPOSE:To provide a film holder capable of discriminating a photographic film package already exposed without requiring a handling time. CONSTITUTION:When a release lever 18 is slid and moved in a releasing direction, a cam guiding plate 54 is moved in accordance with it. Then, a cam member 44 is made to oscillate and turned in an upper direction with a pin 46 as a supporting point. Besides, a 'Finish' mark is imprinted on the reinforcing sheet 9 of the photographic film package 1 by a stamp 50. When the lever 18 is slid and moved to a final position, the cam member 44 is made to oscillate and turned in a lower direction with the pin 46 as the supporting point. Then, the stamp 50 is retreated from the package 1. Besides, when the lever 18 arrives at the final position, the engagement pawls 32, 32 and 32 of an engagement plate 14 are pressed by the engagement releasing pawls 42, 42 and 42 of a main body part 36 and retreated from an engagement position with a clip. When the engagement with the clip is released, the package 1 is drawn out from the film holder main body 12. The 'Finish' mark showing the finish of exposure is impressed on the sheet 9 of the package 1 drawn out from the film holder by the stamp 50.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a film holder,
In particular, the present invention relates to a film holder mounted on the back of a camera and capable of taking in and out a photographic film package.

[0002]

2. Description of the Related Art As a professional photographic film, a photographic film package in which a sheet-shaped photographic film having a relatively large size is housed in a light-shielding envelope in a light-tight manner is known. For example, in a film unit of a photographic film package described in Japanese Patent Application No. 3-261122, a first carrier sheet is attached to the front end side of the photographic film and a second carrier is attached to the rear end side of the photographic film. The seat is attached and configured. Also, a clip is attached to the leading edge of the first carrier sheet,
This clip can close the insertion port of the light-shielding envelope when the film unit is stored in the light-shielding envelope.

The photographic film package is inserted into a film holder mounted on the back of the camera with the clip as the tip, and the clip is locked in the film holder body. At the time of taking a photograph, the rear end of the light-shielding envelope is pinched with a finger to pull out only the light-shielding envelope, and the photo film is exposed from the exposure opening formed in the film holder. When the photo-taking is completed, the light-shielding envelope is pinched with a finger and pushed in, the insertion port of the light-shielding envelope is closed with a clip, and the film unit is stored in a light-tight manner. Then, after operating the release lever of the film holder to unlock the clip, the rear end portion of the light-shielding envelope is pinched with a finger, and the photo film package is pulled out from the film holder.

[0004]

However, since it is not possible to distinguish whether the photographic film package has been exposed or not, it is possible to take a double photograph of the photograph film package that has already been photographed or to take a photograph film that has not been photographed. It has the drawback of developing the package. In order to prevent such a problem, it is sufficient to write "exposed" or "used" on the light-shielding envelope of the photographic film package pulled out from the film holder, but there is a drawback that it is very troublesome.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a film holder which can identify an exposed photographic film package without any trouble.

[0006]

In order to achieve the above object, the present invention provides a film unit in which a clip is attached to the leading edge portion of a photographic film and a leader portion is fixed to the trailing edge portion, and the clip unit. In a film holder for accommodating a photographic film package, which comprises a light-tight envelope for accommodating the photographic film in a light-tight manner, and an entrance for closing the photographic film package, and an exposure for exposing the photographic film. A film holder main body having an opening formed therein, and a member for engaging the clip and locking the film unit in the film holder main body when the photo film package is inserted into a final position in the film holder main body. And a pressing member that is disposed in the film holder main body and presses the film unit toward the exposed opening. A release lever for releasing the locking of the film unit of the engaging member by urging the film holder body in the drawing direction of the photo film package and moving it against the urging force. Marking means for attaching a mark indicating exposure to the light-shielding envelope in conjunction with the operation.

[0007]

The operation of taking in and out the photographic film package using the film holder of the present invention will be described. (1) First, the photo film package is inserted from the entrance / exit of the film holder body with the clip at the tip.

(2) When the photographic film package is inserted and arranged at the final position, the clip is engaged with the engaging member and the film unit is locked in the film holder body. (3) When taking a picture, when the light-shielding envelope is pulled out from the film holder body, since the film unit is held by the engaging member, the photographic film of the film unit is exposed at the exposure opening. This film unit is pressed by the pressing plate toward the exposed opening,
It is fixed to the film holder body. The photo film is taken in this state.

(4) Next, when the photographing is completed, the light-shielding envelope is stored in the film holder body, and the film unit is stored in the light-shielding envelope. (5) Next, when the release lever is moved by a predetermined amount in the releasing direction of the engaging member against the urging force, the marking means interlocks with the release lever releasing operation to indicate that the light-shielding envelope has been exposed. Add a mark. Further, the release lever is moved to the final position in the releasing direction to release the engagement of the engaging member with the clip.

(6) Then, when the engagement of the engaging member with the clip is released, the photographic film package is pulled out from the film holder body. As a result, since the light-shielding envelope of the photographic film package pulled out from the film holder is marked with the mark indicating that the photographic film has been exposed by the marking means, the exposed photographic film package can be identified without trouble.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A preferred embodiment of the film holder according to the present invention will be described in detail below with reference to the accompanying drawings. First, the photographic film package used in the film holder of the present invention will be described.

As shown in FIG. 7, the photographic film package 1 comprises a film unit 2 and a light-shielding envelope 3.
The film unit 2 has a photographic film F, and a clip 5 is fixed to the leading edge portion (left side in the drawing) of the photographic film F via a first carrier sheet 4.
The clip 5 has a substantially V-shaped cross section. Further, at the rear edge portion (right side in the figure) of the photographic film F,
The trapezoidal second carrier sheet 6 is detachably joined. The second carrier sheet 6 is used for the film unit 2
When the paper is stored in the light-shielding envelope 3, the light-shielding envelope 3 is positioned near the rear end portion.

The light-shielding envelope 3 is made of a light-shielding member such as cardboard, and the film unit 2 is inserted and removed from the insertion opening 7 in the direction of the arrow in the figure. Also, the insertion port 7
When the film unit 2 is stored in the light-shielding envelope 3,
The clip 5 is fitted and closed. As a result, the photo film F is prevented from being exposed. Further, a strip-shaped stopper tape 8 is adhered in the transverse direction of the light-shielding envelope 3 near the tip of the light-shielding envelope 3. A substantially trapezoidal reinforcing sheet 9 is attached to the rear end of the light-shielding envelope 3.

FIG. 1 is a plan view showing an embodiment of a film holder 10 according to the present invention, and FIG. 2 is an exploded view of the film holder 10. The film holder 10 includes a film holder body 12, an engaging plate 14, a pressing plate 16, a release lever 18 of the photographic film package 1, and a marking mechanism 20.
And so on.

As shown in FIGS. 1 and 2, the film holder body 12 is composed of an upper lid 22 and a bottom lid 24 into a box.
A rectangular exposed opening 26 is formed on the upper surface of the film holder body 12, that is, on the surface of the upper lid 22. An entrance / exit 28 of the photographic film package 1 is formed at the right edge portion of the film holder body 12 in FIG.
The photo film package 1 is put into and taken out of the film holder main body 12 with the clip 5 at the tip.

The engagement plate 14 has a bottom cover 24 and a stopper 3
Fixed by 0. Further, three engaging claws 32, 32, 32 are provided at a predetermined interval on the left end portion of the engaging plate 14 in the drawing. These engaging claws 32, 32, 32 are engaged with the clip 5 of the photographic film package 1 inserted at the final position in the film holder body 12. The pressing plate 16 is formed in a rectangular shape, and is arranged on the bottom lid 24 via a plurality of plate springs 34, 34 ... Shown in FIG. 2 formed on the back surface of the pressing plate 16, and these plate springs 34, 34 are pressed and urged toward the exposed opening 26. As a result, the pressing plate 16 can press and urge the photographic film package 1 inserted in the film holder body 12 toward the exposure opening 26.

The release lever 18 is composed of a plate-shaped body portion 36 and a hand pushing lever 38. The body portion 36 is moved in the right direction in the drawing, that is, the photographic film package 1 by the urging force of the spring 40 fixed to the bottom lid 24.
It is urged in the pull-out direction. The hand push lever 3
Reference numeral 8 is formed integrally with the main body portion 36, and is arranged in the vicinity of the entrance 28 of the film holder main body 12 so as to project. Therefore, by pushing the hand push lever 38 in the direction of the arrow in the figure, the main body portion 36 can be slid leftward against the biasing force of the spring 40.

On the other hand, at the left end edge of the main body 36 in the drawing,
A pair of engagement release claws 42, 42 are formed to project. As shown in FIGS. 1 and 2, these disengagement claws 42, 42 are located above the bases of the engagement claws 32, 32 of the engagement plate 14. Therefore, when the main body 36 is pushed by the hand push lever 38 and slides, the engagement release claws 42, 42 are engaged.
It is possible to press and abut the second and second members 32, and elastically deform the engaging claws 32, 32, 32 downward to retract from the engagement position with the clip 5.

Next, the marking mechanism 20 will be described. As shown in FIGS. 1 and 2, the marking mechanism 20 is arranged near the entrance 28 of the bottom lid 24. Further, the marking mechanism 20 has a cam member 44, and the cam member 44 is arranged below the pass-through area of the photographic film package 1. As shown in FIG. 3, the cam member 44 includes a pair of pins 46 and 4 fixed to a right end portion 44A thereof.
It is rotatably provided on the bottom lid 24 by 6. A cam groove 48 is formed in the cam member 44. The cam groove 48 is formed in a wave shape along the taking-in / out direction of the photographic film package 1 and communicates with the left end portion 44B of the cam member 44. Further, a stamp material 50 having a “done” mark is fixed to the upper surface of the cam member 44.

On the other hand, a pin 52 shown by a chain double-dashed line in the drawing is inserted into the cam groove 48 at right angles to the forming direction of the cam groove 48. The pin 52 is suspended and fixed to the tip end portion 54A of a bifurcated cam guide plate 54 shown by a chain double-dashed line in the figure. As shown in FIG. 2, the cam guide plate 54 is integrally formed with the main body portion 36 of the release lever 18.

As a result, the cam member 44 is located at the position where the printing material 50 is retracted from the photographic film package 1 at the position where the pin 52 is shown in FIG. 4, that is, before the release lever 18 is moved. In addition, the release lever 18
When the cam guide plate 54 slides by a predetermined amount in accordance with the movement in the releasing direction, the pin 52 moves horizontally, so that the cam member 44 swings upward with the pin 46 as a fulcrum as shown in FIG. Move. As a result, the stamp material 50 is pressed against the reinforcing sheet 9 of the photographic film package 1 and the reinforcing sheet 9 is marked with a "done" mark. Further, when the release lever 18 is located at the final position in the releasing direction, the cam member 44 pivots downward with the pin 46 as a fulcrum, as shown in FIG. 6, and the stamp 50 retreats from the photographic film package 1. .

Next, the operation of taking in and out the photographic film package 1 using the film holder 10 constructed as described above will be described. (1) First, the photographic film package 1 is inserted into the film holder main body 12 shown in FIG. (2) When the photographic film package 1 is inserted and arranged at the final position, the clip 5 engages the engaging claws 32, 3 of the engaging plate 14.
The film unit 2 is held in the film holder main body 12 by engaging with the film holders 2, 32.

(3) When taking a picture, when the light-shielding envelope 3 is pulled out from the film holder main body 12, the photo film F of the photo film unit 2 is held in the exposure opening 26 because the photo film unit 2 is held by the clip 5. Expose. The film unit 2 is pressed by the pressing plate 16 toward the exposed opening 26, so that the film unit 2 is photographed while being held in the film holder body 12.

(4) Next, when the photographing is completed, the light-shielding envelope 3 is stored in the film holder body 12, and the film unit 2 is stored in the light-shielding envelope 3. (5) When the film unit 2 is stored in the light-shielding envelope 3,
By pushing the manual push lever 38 of the release lever 18, the main body 36 is slid in the releasing direction against the biasing force of the spring 40 shown in FIG.

When the release lever 18 slides in the releasing direction, the cam guide plate 54 shown in FIG. 4 also moves, so that the cam member 44 moves from the position shown in FIG. 4 to the position shown in FIG. With the fulcrum as a fulcrum, it pivots upward, and the stamp material 50 presses and abuts the reinforcing sheet 9. As a result, the stamp 50 marks the “finished” mark on the reinforcing sheet 9.

When the release lever 18 is located at the final position in the releasing direction, the cam member 44 pivots downward with the pin 46 as a fulcrum, as shown in FIG. Evacuate from the film package 1. Further, when the release lever 18 is located at the final position, the engaging claws 32, 32, 32 of the engaging plate 14 are moved to the main body portion 3.
6 is pressed by the engagement release claws 42, 42, 42 of the clip 5
Withdraw from the engagement position with.

(6) Then, when the engagement with the clip 5 is released, the photographic film package 1 is pulled out from the film holder body 12. The reinforcing sheet 9 of the photographic film package pulled out from the film holder main body 12 is provided with a "done" mark indicating that the photographic film 50 has been exposed. Therefore, in this embodiment, since the mark indicating that the photo film package 1 has been exposed can be attached by the normal operation of taking the photo film package 1 in and out, the photo film package 1 that has been exposed can be identified without trouble. be able to.

[0028]

As described above, according to the film holder according to the present invention, since the light-shielding envelope of the photographic film package is provided with the marking means for marking the exposed portion in association with the release operation of the release lever, The above-mentioned mark can be attached to the photographic film package by a normal operation for taking in and out the photographic film package. As a result, the exposed photographic film package can be identified without any trouble.

[Brief description of drawings]

FIG. 1 is a plan view of a film holder according to the present invention.

FIG. 2 is an assembly view of a film holder according to the present invention.

FIG. 3 is an enlarged perspective view showing an embodiment of a film holder marking mechanism according to the present invention.

FIG. 4 is an operation explanatory view of the marking mechanism of the film holder according to the present invention.

FIG. 5 is an operation explanatory view of the marking mechanism of the film holder according to the present invention.

FIG. 6 is an operation explanatory view of the marking mechanism of the film holder according to the present invention.

FIG. 7 is a plan view of a photographic film package applied to a film holder according to the present invention.

[Explanation of symbols]

 1 ... Photo film package 2 ... Film unit 3 ... Light-shielding envelope 5 ... Clip 9 ... Reinforcement sheet 10 ... Film holder 12 ... Film holder body 14 ... Engagement plate 16 ... Pressing plate 18 ... Release lever 20 ... Marking mechanism 26 ... Exposed opening 32 ... Engagement claw 42 ... Engagement release claw 44 ... Cam member 48 ... Cam groove 50 ... Stamp 52 ... Pin 54 ... Cam guide plate

Claims (4)

[Claims] 1. A photographic film is equipped with a clip attached to the leading edge of the photographic film and a leader portion fixed to the trailing edge of the photographic film, and an insertion opening closed by the clip. The photographic film is stored in a light-tight manner. A film holder including a light-shielding envelope for storing a photographic film package, the film holder main body having a doorway of the photographic film package, an exposure opening for exposing the photographic film, and the photographic film package. An engaging member that engages with the clip and locks the film unit in the film holder main body when the film unit is inserted into the final position in the film holder main body, and the film unit is disposed in the film holder main body. A pressing plate that presses toward the exposed opening and a photographic film pack inside the film holder body. A release lever that is urged in the pull-out direction of the page and moves against the urging force to release the locking of the film unit of the engaging member, and the light-shielding envelope in conjunction with the release lever release operation. A film holder comprising: a marking means for attaching a mark indicating that the film has been exposed to. 2. The film holder according to claim 1, wherein the marking means is housed between an upper lid and a bottom lid of the holder main body. 3. The film according to claim 2, wherein the marking means includes a cam member having a cam groove, a cam guide plate which fits in a direction orthogonal to the cam groove forming direction, and a printing member. holder. 4. The film holder according to claim 3, wherein the cam guide plate is formed integrally with the main body of the release lever.