JPH08152699A - Camera integrated with film - Google Patents

Abstract

PURPOSE: To easily draw out photographic film housed in a cartridge with simple structure at low cost at the time of developing processing. CONSTITUTION: As for this camera integrated with film; the photographic film F is wound round to the spool 23 of a film housing chamber and previously loaded at the time of assembly so that it can be wound up to the cartridge in a winding chamber, and the film F is wound up every time, photographing is performed and the cartridge in which the exposed film F is housed is taken out. Then, a film mounting port 23e is formed on the shaft part 23a of the spool 23, and an engaging pawl part 23f with which perforation F1 at the leading edge of the film F is engaged is formed and a projection part 23h for changing the shape of the leading edge is formed at the port 23e.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a film-integrated camera in which a photographic film is loaded in advance at the time of assembly.

[0002]

2. Description of the Related Art In recent years, a film-integrated camera in which a photographic film is preliminarily loaded at the time of assembly is used. The film-integrated camera can, for example, wind a photographic film on a spool of a film storage chamber and wind it on a patrone of a winding chamber. In some cases, it is loaded in advance at the time of assembly, the photographic film is rolled up after each shooting, and when the shooting is completed, the photographic film is disassembled and the patrone containing the taken photographic film is taken out.

[0003]

In such a film-integrated camera, the photographic film is wound around the spool from the time the camera is assembled to the time it is sold at the store. For this reason, due to deterioration of the photographic film and changes in the environment, between shooting and developing the photographic film,
The curl of the photographic film wrapped around the shaft of the spool becomes stronger.

As described above, when the curl of the photographic film becomes stronger, the leading end portion of the photographic film comes into close contact with the spool shaft. Therefore, when photographing is completed and the cartridge is taken out and processed for development, the leading end of the photographic film stored in the cartridge comes into close contact with the film, and it may be difficult to pull out from the cartridge by the automatic film connecting device or the film drawer.

The present invention has been made in view of the above points, and the inventions according to claims 1 to 4 make it easy to easily pull out the photographic film stored in the cartridge at the time of development processing. An object of the present invention is to provide a film-integrated camera which has a structure and can be manufactured at low cost.

[0006]

In order to solve the above-mentioned problems and to achieve the object, the invention according to claim 1 can wind a photographic film around a spool in a film storage chamber and wind it up on a patrone in a winding chamber. In a film-integrated camera that is loaded in advance at the time of assembling, winds up the photographic film for each shooting, and takes out the patrone containing the taken photographic film, a film mounting opening is formed in the shaft portion of the spool. It is characterized in that an engaging claw portion with which the perforation of the leading end portion of the photographic film is engaged is formed in the film attachment port, and a projection portion for changing the shape of the leading end portion is formed.

According to a second aspect of the present invention, the photographic film is wound around a spool in a film storage chamber and is loaded in advance in a patrone in a winding chamber at the time of assembling so that the photographic film is wound up for each photographing and the photographing is performed. In a film-integrated camera that takes out the cartridge containing the used photographic film, a film mounting opening is formed in the shaft portion of the spool, and the film insertion direction of the film mounting opening is from the center of the spool shaft portion to one side. It is characterized in that it is formed in a deviated position.

According to a third aspect of the present invention, an engaging claw portion which engages with perforations of the leading end portion of the photographic film is formed in the film mounting opening, and a projection portion for changing the shape of the leading end portion is formed. It is characterized by being formed.

The invention according to claim 4 is characterized in that a plurality of the projections are formed in the film mounting opening so as to sandwich the leading end of the photographic film from both sides.

[0010]

According to the first aspect of the present invention, the film attachment port is formed on the shaft portion of the spool, and the projection formed on the film attachment port causes the leading end portion of the photographic film to bend and forcibly change the shape. To do. Therefore, even if the curl of the photographic film wrapped around the shaft of the spool becomes stronger due to deterioration of the photographic film and changes in the environment between the shooting and development of the photographic film, the leading edge of the photographic film Since the portion is bent, the tip portion can be easily pulled out from the cartridge by an automatic film connecting device or a film pulling machine.

According to the second aspect of the present invention, a film attachment port is formed in the shaft portion of the spool, and the film insertion direction of the film attachment port is formed at a position offset from the center of the spool shaft portion to one side. ing. For this reason, the curling of the photographic film wound around the shaft portion of the spool is suppressed from becoming strong due to deterioration of the photographic film and changes in the environment between the time of shooting and the development processing of the photographic film.
The leading edge of the photographic film is prevented from being in close contact, and the leading edge can be easily pulled out from the cartridge by an automatic film connecting device or a film drawer.

According to the third aspect of the present invention, the film insertion direction of the film mounting opening is deviated from the center of the shaft portion of the spool to one side, and the shape of the leading end portion of the photographic film is changed to the film mounting opening. Since the protrusions are formed, it is possible to prevent the leading end of the photographic film from coming into close contact.

According to the fourth aspect of the invention, a plurality of protrusions are formed in the film mounting opening so as to sandwich the leading end of the photographic film from both sides, and the leading end of the photographic film is bent more surely to force the shape. Can be changed.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A film-integrated camera according to the present invention will be described below in detail with reference to the drawings. 1 is a front view of the film-integrated camera, FIG. 2 is a plan view of the film-integrated camera,
3 is a view showing a state in which the rear cover of the film-integrated camera is opened, and FIG. 4 is a sectional view taken along line IV-IV of FIG.

The film-integrated camera 1 is a simple camera that is put on the market with a photographic film loaded, and the photographic film is loaded in the camera assembling process so that the user can load or rewind the photographic film. Since the operation of is unnecessary, the user can immediately take a picture.

The film-integrated camera 1 is constructed by assembling a front cover 3 and a rear cover 4 in front of and behind the main body 2, a photographing lens 5 is provided at the center of the front side, and a finder is provided above the photographing lens 5. 6 is provided, and a stroboscopic light emission window 7 is provided near the finder 6.

The strobe light emission window 7 is horizontally arranged and is separated from the photographing lens 5 so that the strobe light emission does not adversely affect photographing. A grip portion 8 is provided on the right side of the film-integrated camera 1, and a release button 9 is provided on the grip portion 8. Further, a part of the winding knob 10 is exposed from the notch 8a in the upper portion of the grip portion 8, and by rotating the winding knob 10, the photographic film having been photographed is wound up.

A shooting frame 11 is provided at the center of the main body 2, and a film storage chamber 12 is provided on one of the left and right sides of the shooting frame 11 and a winding chamber 13 is provided on the other side. Also,
A battery chamber 14 is provided close to the film storage chamber 12,
A battery 15 is housed in the battery chamber 14 from the front side of the paper.

A holding frame 16 is attached to the photographing frame 11 of the main body 2, and a lens frame 17 in which the photographing lens 5 is incorporated is attached to the holding frame 16. A sector 18 is assembled between the holding frame 16 and the lens frame 17.
When the release button 9 is pressed, the sector 18 is actuated by the shutter mechanism to open and close the optical path L of the taking lens 5, thereby exposing the photographic film F.

The photographing frame 11 defines a photographing range of the photographic film F, and a light shielding frame 20 is attached to the photographing frame 11 in a light-tight engagement so as to define a separately formed screen size. There is. A rib 20a for blocking light is provided inside the light-shielding frame 20, and the rib 20a blocks light rays that affect other screens to prevent light from entering or leaking.

On both sides 20b and 20c of the light shielding frame 20,
As shown in FIG. 4, the engagement recesses 20d and 20e are engaged,
One of the engaging concave portions 20d is fitted into the engaging convex portion 21a formed on the wall 21 of the film storage chamber 12, and the other engaging concave portion 20e is formed on the wall 22 of the winding chamber 13. 22
It is fitted to a and is detachably attached. Shading frame 2
One side portion 20b of 0 is connected to the wall 21 to form a part of the film storage chamber 12, and the other side portion 20 of the light shielding frame 20.
c is connected to the wall 22 and forms a part of the hoisting chamber 13.

As described above, the light-shielding frame 20 is detachable, and by exchanging it with a light-shielding frame having a different screen size, it is possible to take a picture of full size, panorama size, high-definition size and the like. Further, the light-shielding frame 20 constitutes a part of the film storage chamber 12 and a portion of the winding chamber 13, so that the distance between the photographing frame 11 and the film storage chamber 12 or the winding chamber 13 is shortened. Therefore, it is possible to reduce the size and prevent light from entering or leaking to the film storage chamber 12 or the winding chamber 13 side.

A photographic film F is stored in the film storage chamber 12.
A spool 23 wound with a photographic film F is loaded in the winding chamber 13, and a cartridge 24 for winding the photographic film F is loaded in the winding chamber 13.
A sprocket 25 is rotatably provided on the upper side of the light-shielding frame 20. The sprocket 25 engages with the perforation F1 of the photographic film F, and is rotated by winding the photographic film F to rotate a counter (not shown). Displays the number of shot frames.

Rails 20f and 20g for guiding the winding of the photographic film F are provided above and below the shading frame 20, and the perforation F1 of the photographic film F is provided in a part of the rails 20f and 20g on the film storage chamber 12 side. Larger guide portions 20h and 20i are formed.

Then, there is a convex portion 20j connecting the guide portions 20h, 20i at the same height as or slightly lower than the guide portions 20h, 20i, and the gap with the photographic film F is reduced to the film storage chamber 12. It prevents the invasion of light.

The hoisting chamber 13 for the rails 20f and 20g
A guide portion larger than the perforation F1 of the photographic film F or a convex portion connecting the guide portions may be formed on a part of the side, and in this case, the hoisting chamber 13 is formed by the guide portion and the convex portion.
Prevents light from entering or leaking to the side.

Further, the guide portions 20h and 20i do not enter the perforation F1 of the photographic film F, and the position of the photographic film F is kept constant and the focus position is prevented from shifting. In addition, the guide portions 20h and 20i are not caught by the perforations F1 of the photographic film F at the time of winding, and can be smoothly wound up.

Next, the spool 23 arranged in the film storage chamber 12 will be described with reference to FIGS. 5 is a side view of the spool, FIG. 6 is a sectional view taken along line VI-VI of FIG. 5, FIG. 7 is a sectional view taken along line VII-VII of FIG. 5, and FIG. 8 is taken along line VIII-VIII of FIG. Sectional view, Figure 9 is IX- in Figure 5
FIG. 10 is a cross-sectional view taken along line IX, FIG. 10 is a cross-sectional view taken along line XX in FIG. 5, FIG. 11 is a perspective view showing a state in which the leading end of the photographic film is locked to the spool, and FIG. 12 is the leading end of the photographic film. It is a perspective view showing the bending of.

The spool 23 has flange portions 23b and 23c formed at both ends of a shaft portion 23a, and a lightening recess 23d is formed in the shaft portion 23a for weight reduction. A film attachment port 23e is formed in the shaft portion 23a in the axial direction, and the film insertion direction of the film attachment port 23e is the center direction of the shaft portion 23a. The film attachment port 23e is provided with three engagement claw portions 23f that engage with the perforations F1 at the tip of the photographic film F. The engagement claw portions 23f on both sides have the same shape on one side surface of the film attachment port 23e. The central engaging claw portion 23f is formed on the other side surface of the film attachment port 23e. Engaging claws 2 on both sides
3f pushes the front end of the photographic film F, and the perforation F1 is engaged with the central engaging claw 23f. A taper surface 23g is formed on each of the engaging claw portions 23f as shown in FIGS. 6 to 8 and serves as a guide when the leading end portion of the photographic film F is inserted.

The film attachment port 23e also has a protrusion 23h for changing the shape of the tip of the photographic film F.
3 are formed, and the protrusions 23h on both sides are formed in the same shape on one side surface of the film attachment port 23e.
h is formed on the other side surface of the film attachment port 23e.
The protrusions 23h on both sides push the leading end of the photographic film F in one direction, and the central protrusion 23h pushes the leading end of the photographic film F in the other direction so that the leading end of the photographic film F is sandwiched and bent from both sides. Has been formed. A taper surface 23i is formed on each of the protrusions 23h as shown in FIGS. 9 and 10, and serves as a guide when the leading end of the photographic film F is inserted.

As shown in FIG. 11, when the front end portion of the photographic film F is inserted into the film mounting opening 23e formed on the shaft portion 23a of the spool 23 when the camera is assembled, the engaging claw portions 23f on both sides are photographed. Press the tip of film F,
The perforation F1 is engaged with the central engaging claw portion 23f. At the same time, the protrusions 23h on both sides formed in the film attachment opening 23e push the leading end of the photographic film F in one direction, and the central protrusion 23h pushes the leading end of the photographic film F in the other direction. Bend the tip of the from both sides. In this way, the photographic film F stored in the cartridge 24 has its leading end portion spooled by the spool 23.
The spool 23 wound around the shaft 23a is wound around the shaft 23a, and the spool 23 around which the photographic film F is wound is set in the film storage chamber 12 and loaded in the cartridge 24 of the winding chamber 13 so as to be wound up.

In the film-integrated camera 1 assembled in this manner, the photographic film F is wound around the spool 23 from the time the camera is assembled to the time it is sold at the store. For this reason, the curl of the photographic film F wound around the shaft portion 23a of the spool 23 becomes stronger due to the deterioration of the photographic film F and the change in environment between the time of photographing and the development processing of the photographic film F. Also, the protrusion 23h formed in the film attachment port 23e prevents the tip portion of the photographic film F from bending and forcibly changing the shape, and prevents the bent portion F2 from adhering to the photographic film F.

Next, another embodiment of the spool 23 arranged in the film accommodating chamber 12 will be described with reference to FIGS. 13 and 14. 13 is a sectional view of the spool, FIG.
FIG. 7 is a perspective view showing a state in which the leading end portion of the photographic film is locked to the spool.

The spool 23 of this embodiment has the same structure as that of the above embodiment, but is formed at a position in which the film insertion direction of the film attachment port 23e is offset from the center of the shaft portion 23a of the spool 23 to one side. are doing. Therefore, it is possible to form a large radius at the corner 23j of the film mounting opening 23e, and it is possible to prevent the leading end portion of the photographic film F from being strongly curled.

As described above, since the film insertion direction of the film attachment opening 23e is formed at a position deviated from the center of the shaft portion 23a of the spool 23 to one side, the radius of the corner 23j of the film attachment opening 23e is increased. be able to. Therefore, the curl of the leading end portion of the photographic film F wound around the shaft portion 23a of the spool 23 is strong due to the deterioration of the photographic film F and the change in the environment between the time of photographing and the development processing of the photographic film F. It is reduced, and the leading end of the photographic film F is prevented from adhering.

FIG. 15 is a schematic view of the film pull-out section of the automatic film connecting apparatus. This automatic film connection device 40
Then, the photographic film F is taken out from the patrone that has been taken, and the photographic film F is attached to the lower holder 41 and the upper holder 42.
Hold in. This photographic film F is in a rolled state, and is rotated in the take-out direction by the rotation of the roller 43,
The tip end enters under the guide 44, and the guide 44
It is pulled out linearly and can be connected to the above photographic film. At this time, in the photographic film F wound on the spool 23 in the embodiment of FIGS. 5 to 12, the bent portion F2 at the tip portion thereof easily enters the lower side of the guide 44 and is reliably pulled out by the guide 44. Further, since the leading end portion of the photographic film F wound on the spool 23 in the embodiment of FIGS. 13 and 14 is not in close contact, the leading end portion easily enters the lower side of the guide 44 and is reliably pulled out by the guide 44. Be done.

FIG. 16 is a schematic view of a film drawing machine. In this film drawer machine 50, the patrone fixing presser 51 is applied to the photographed patrone 24, and the guide plate 52, the scissors plate 53, and the film pressing plate 54 are simultaneously inserted from the film drawing port 24a of the photographed patrone 24. . Then, the guide plate slide button 55 is operated to completely insert the guide plate 52, the scissor plate slide button 56 is then operated to completely insert the scissor plate 53, and the leading end portion of the photographic film F is sandwiched. The film pulling machine 50 is pulled by and the photographic film F is pulled out. At this time, the spool 23 of the embodiment of FIGS.
The photographic film F wrapped around the film has a bent portion F2 at its tip.
Is formed, it is easy to insert the scissors plate 53 at the tip.
It can be sandwiched by. Further, since the leading end portion of the photographic film F wound on the spool 23 in the embodiment of FIGS. 13 and 14 is not in close contact, the leading end portion can be easily sandwiched by the scissor plates.

[0038]

As described above, according to the first aspect of the invention, since the film attachment port is formed on the shaft portion of the spool and the protrusion is formed on the film attachment port, the leading end of the photographic film is the protrusion. The curl of the photographic film wrapped around the shaft of the spool occurs due to deterioration of the photographic film and changes in the environment between the time of shooting and the development processing of the photographic film because the shape is bent and the shape is forcibly changed. However, since the leading end of the photographic film is bent, the leading end can be easily pulled out from the cartridge by an automatic film connecting device or a film drawer.

According to the second aspect of the present invention, a film attachment port is formed in the shaft portion of the spool, and the film insertion direction of the film attachment port is formed at a position deviated from the center of the spool shaft portion to one side. From the time between shooting and developing the photographic film, the curling of the photographic film wrapped around the spool shaft is prevented from becoming stronger due to deterioration of the photographic film and environmental changes. The tip portion is prevented from adhering, and the tip portion can be easily pulled out from the cartridge by an automatic film connecting device or a film drawer.

According to a third aspect of the present invention, the film insertion direction of the film attachment port is formed at a position deviated from the center of the shaft portion of the spool to one side, and the shape of the tip portion of the photographic film is formed in the film attachment port. Since the projections for changing the above are formed, it is possible to prevent the leading end portion of the photographic film from being more closely attached.

According to the fourth aspect of the present invention, since a plurality of projections are formed in the film mounting opening so as to sandwich the leading end of the photographic film from both sides, the leading end of the photographic film is bent more reliably and the shape is forced. Can be changed to.

[Brief description of drawings]

FIG. 1 is a front view of a film-integrated camera.

FIG. 2 is a plan view of a film-integrated camera.

FIG. 3 is a diagram showing a state in which a front cover of the film-integrated camera is opened.

FIG. 4 is a sectional view taken along line IV-IV in FIG.

FIG. 5 is a side view of the spool.

6 is a sectional view taken along line VI-VI of FIG.

7 is a sectional view taken along the line VII-VII of FIG.

8 is a sectional view taken along the line VIII-VIII of FIG.

9 is a sectional view taken along line IX-IX in FIG.

10 is a cross-sectional view taken along line XX of FIG.

FIG. 11 is a perspective view showing a state in which the leading end portion of the photographic film is locked to the spool.

FIG. 12 is a perspective view showing bending of the leading end of a photographic film.

FIG. 13 is a sectional view of a spool.

FIG. 14 is a perspective view showing a state in which the leading end portion of the photographic film is locked to the spool.

FIG. 15 is a schematic view of a film pull-out section of the automatic film connecting device.

FIG. 16 is a schematic view of a film drawing machine.

[Explanation of symbols]

 1 Film-integrated camera 12 Film storage chamber 13 Winding chamber 23 Spool 23a Shaft 23e Film mounting port 23f Engaging claw 23h Projection 24 Patrone F Photographic film

Claims (4)

[Claims] 1. A photographic film is wound around a spool in a film storage chamber, loaded in advance in a patrone in a winding chamber at the time of assembling so that the photographic film can be wound up at every shooting, and the photographic film taken can be stored. In the film-integrated camera that takes out the cartridge, a film attachment port is formed on the shaft portion of the spool, and an engagement claw portion with which the perforation of the leading end portion of the photographic film is engaged is formed in the film attachment port, A film-integrated camera having a protrusion formed to change the shape of the tip. 2. A photographic film is wound around a spool in a film storage chamber, and is loaded in advance in a patrone in a winding chamber at the time of assembling so that the photographic film can be wound up at each shooting and the photographed film can be stored. In the film-integrated camera that takes out the cartridge, the film attachment opening is formed in the shaft portion of the spool, and the film insertion direction of the film attachment opening is located at a position deviated from the center of the shaft portion of the spool to one side. A film-integrated camera characterized by being formed. 3. The film attachment opening is formed with an engaging claw portion which engages with perforations of the tip portion of the photographic film, and a projection portion for changing the shape of the tip portion. The film-integrated camera according to claim 2. 4. The film-integrated camera according to claim 1, wherein a plurality of the projections are formed in the film mounting opening so as to sandwich the leading end of the photographic film from both sides.