JPH0815767A - Film incorporated type camera - Google Patents

Abstract

PURPOSE:To provide a film incorporated type camera capable of suppressing the increase of the number of parts by unitizing a holding frame even in the switching structure of a picture size, further, easily removing the unitized holding frame, so as to improve easy disassembly and being reused so as to reduce the cost and moreover, make desirable in an antipollution measure. CONSTITUTION:In the film incorporated type camera 1 in which a photographic film F is loaded in a wound state in advance at the time of assembling and which winds the film F each time photographing is attained and is disassembled to take out the film F after photography, a picture size switching mechanism 30 changing over a standard size and a panoramic size and a photographic lens 5 are assembled with the holding frame 21 to be unitized, the unitized holding frame 21 is engaged with a photographic frame 11 prescribing the photographing range of the film F on the recessed and projected parts, to be assembled and tool holes 2b and 4a capable of inserting a tool from the outside are formed in positions corresponding to the recessed are projected engaging parts.

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 whose screen size can be switched between standard size and panoramic size.

[0002]

2. Description of the Related Art Conventionally, the shooting screen size of a camera has been fixed, and trimming to a predetermined screen size has been performed when printing on a photographic paper. In recent years, however, the shooting screen size is standard when shooting with a camera. There is something to decide on the panorama size.

That is, in the film-integrated camera,
For example, there is one in which a photographic film is loaded in a state of being wound in advance at the time of assembly, the photographic film is wound up and wound up at each photographing, and disassembled at a developing place to take out the photographed photographic film.
In such a film-integrated camera, standard size,
Those with panoramic screen size are manufactured separately,
Standard-sized film-integrated cameras perform standard shooting, while panoramic-sized film-integrated cameras perform panoramic shooting.

[0004]

Recently, users have come to desire a single film-integrated camera capable of selectively using standard photography and panoramic photography. For this reason, some screen sizes are switched between the standard size and the panoramic size. However, the adoption of such a screen size switching structure may reduce the assemblability when the number of parts increases. Also, if it is dismantled at the photo lab and the parts with the screen size switching structure are discarded, there is a problem in terms of pollution control,
If it can be collected by the manufacturer, removed, and reused, the cost can be reduced and it is preferable in terms of pollution control.

Further, in the film-integrated camera for switching the screen size between the standard size and the panoramic size, compared with the one for standard shooting or panoramic shooting,
The number of parts for switching operation is increasing. for that reason,
Since the number of parts to be assembled increases and the cost increases, it is an important subject to suppress the increase of the parts for switching the screen size as much as possible to facilitate the assembly and reduce the cost.

The present invention has been made in view of the above points. The invention according to claim 1 suppresses an increase in the number of parts by unitizing the holding frame even with a screen size switching structure, and further, unitizing the unit. It is an object of the present invention to provide a film-integrated camera in which the holding frame can be easily removed, the disassemblability is improved, the reusable frame can be reused, the cost can be reduced, and the pollution control can be achieved. It is an object of the present invention to provide a film-integrated camera capable of suppressing the increase in the number of parts for switching the screen size as much as possible, facilitating the assembling, improving the assembling property, and reducing the cost.

[0007]

In order to solve the above-mentioned problems, the invention according to claim 1 is arranged such that a photographic film is loaded in a state of being wound in advance at the time of assembling, and the photographic film is wound up at every photographing. In a film-integrated camera that winds up, disassembles, and takes out a photographic film that has been taken, a screen size switching mechanism for switching between standard size and panorama size and a taking lens are assembled into a holding frame to form a unit. It is characterized in that the holding frame is assembled by being engaged with the photographing frame that defines the photographing range of the photographic film by concavo-convex engagement, and a tool hole into which a tool can be inserted from the outside is formed at a position corresponding to the concavo-convex engagement portion.

According to a second aspect of the present invention, a photographic film is loaded in a wound state in advance at the time of assembling, the photographic film is wound up and wound up at each photographing, and disassembled to take out the photographed photographic film. In an integrated camera, a screen size switching mechanism for switching between standard size and panorama size and a taking lens are assembled into a holding frame to form a unit, and the united holding frame defines a shooting range of the photographic film. And a switching plate member for switching between the standard size and the panorama size of the screen size switching mechanism is rotatably supported between the photographing frame and the holding frame.

[0009]

According to the first aspect of the invention, a screen size switching mechanism for switching between the standard size and the panorama size is attached to the holding frame to form a unit, and the unitized holding frame is used as the frame. The assembling property is improved by engaging with the concave and convex engagements. Further, the tool can be inserted from a tool hole formed at a position corresponding to the concave-convex engaging portion between the photographing frame and the holding frame, and the holding frame can be easily disengaged from the outside with the tool. In this way, even with the screen size switching structure, by increasing the number of parts by unitizing the holding frame, the unitized holding frame can be easily removed, improving disassembly and reuse. It is possible, the cost can be reduced, and it is preferable in terms of pollution control.

According to the second aspect of the present invention, a screen size switching mechanism for switching between the standard size and the panoramic size and the taking lens are assembled into the holding frame to form a unit.
By assembling this unitized holding frame to the photographing frame, the assembling property is improved. Also, the switching plate member that switches between the standard size of the screen size switching mechanism and the panorama size,
Since it is rotatably supported between the shooting frame and the holding frame, it does not require a dedicated supporting member, so that it is possible to suppress the increase in the number of parts for switching the screen size as much as possible, and to facilitate the assembly. The assemblability can be improved and the cost can be reduced.

[0011]

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 right side view of the film-integrated camera, FIG. 4 is a view showing an operating state of the switching operation member, FIG. 5 is a view showing a state in which the rear cover of the film-integrated camera is opened, and FIG. 6 is a VI of FIG.
-VI is a cross-sectional view taken along the line VI, FIG. 7 is a cross-sectional view taken along the line VII-VII in FIG. 1 showing a standard size state, and FIG. 8 is a cross-sectional view showing the panoramic size taken at the same position as in FIG.

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

This film-integrated camera 1 has a body 2
A front cover 3 and a rear cover 4 are attached to the front and back of the camera, a photographing lens 5 is provided at the center of the front side, a finder 6 is provided above the photographing lens 5, and a strobe light is emitted near the finder 6. A window 7 is provided.

The strobe light emission window 7 is arranged horizontally long 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.

At the center of the body 2, as shown in FIG.
A photographing frame 11 is provided, and a storage chamber 12 is provided on one of the left and right sides of the photographing frame 11 and a winding chamber 13 is provided on the other side. Further, a battery chamber 17 is provided in the vicinity of the storage chamber portion 12, and the battery 18 is stored in the battery chamber 17 from the front side of the drawing.

Guide rails 14 and 15 for guiding the photographic film F are formed above and below the photographing frame 11. The photographic film F is loaded in the storage chamber 12 in advance, and the photographic film F photographed by the cartridge 16 can be wound in the winding chamber 13.

A holding frame 21 is attached to the photographing frame 11 of the body 2, and a lens frame 22 in which the photographing lens 5 is incorporated is attached to the holding frame 21. A shutter 23 is assembled between the holding frame 21 and the lens frame 22.

The holding frame 21 and the photographing frame 11 are assembled in a light-shielding state by engaging the concave portion 11a formed in the photographing frame 11 with the front end portion 21a of the holding frame 21 in a concavo-convex manner. Further, a part 21b of the holding frame 21 is extended to the rear cover 4 side to form an extension portion 21c, and ribs 21d formed on the extension portion 21c are engaged with the recesses 2a formed on the body 2 in a concavo-convex manner to shield light. It is assembled in the state.

As described above, the holding frame 21 is assembled to the photographing frame 11 by the concave and convex engagement, and the photographing frame 11 and the holding frame 21 are formed separately because the photographing frame 11 is provided with a member for switching the screen size. However, even if a member for switching the screen size is provided in these, the photographing frame 11 and the holding frame 21 have a light-shielding structure due to the concave-convex engagement, so that it is possible to prevent light from entering and leaking, and to further improve image quality. We are trying to improve

The extension portion 21c of the holding frame 21 is covered with the body 2 and shielded from light, but a tool hole 2b is formed in a portion corresponding to the tip of the extension portion 21c. The rear cover 4 has a tool hole 4a formed in a portion corresponding to the tool hole 2b. When the holding frame 21 is to be reused after the photographing frame 11 is removed, a tool is inserted from the tool hole 4a to the tool hole 2b. Push the insertion extension portion 21c toward the front cover 3 direction. As a result, the holding frame 21 can be easily removed from the photographing frame 11 from the outside, and the holding frame 21 can be easily removed and is not scratched, so that it can be easily reused.

Below the photographing frame 11, a condenser storage chamber 2 is provided.
3 is formed, and the condenser 24 for the strobe is accommodated horizontally in the condenser accommodating chamber 23.

In this way, the screen size switching mechanism 30 for switching the holding frame 21 between the standard size and the panoramic size.
The taking lens 5 and the taking lens 5 are assembled to form a unit, and the unitized holding frame 21 is engaged with the taking frame 11 in a concavo-convex manner to improve the assembling property. In addition, shooting frame 1
1 through the window 2b from the tool hole 4a formed at the position corresponding to the concave and convex engaging portion between the holding frame 21 and
The engagement of the holding frame 21 can be easily removed from the outside with a tool. In this way, even with the screen size switching structure, by increasing the number of parts by unitizing the holding frame 21, it is possible to easily remove the unitized holding frame 21, which improves disassembly and re-installation. It can be used, the cost can be reduced, and it is preferable in terms of pollution control.

In the film-integrated camera 1, the screen size switching mechanism 30 for switching between the standard size and the panoramic size has a pair of switching plate members 31 and 32, and the pair of switching plate members 31 and 32. Are arranged above and below the inside of the photographing frame 11. The pair of switching plate members 31, 32
The bearings 80 and 81 of the support pins 33 and 34 are sandwiched between the upper wall 11g of the photographing frame 11 and the lower wall 21g of the holding frame 21, thereby supporting the pair of switching plate members 3
1, 32 are rotatable.

As described above, the support pins 33 and 34 of the switching plate members 31 and 32 for switching between the standard size and the panoramic size of the screen size switching mechanism 30 have the photographing frame 11 and the holding frame 21 via the bearings 80 and 81. Since it is rotatably supported between the and, the increase in the number of parts for switching the screen size can be suppressed as much as possible because an exclusive supporting member is not required, and the assembling is facilitated and the assemblability is improved. The cost can be reduced.

Concavities and convexities 31a and 32a for preventing diffused reflection of light at the time of photographing are formed inside the switching plate members 31 and 32 in a direction orthogonal to the optical axis. Further, the switching plate member 32 is cut off with excess light. The protrusion 32b is formed in a direction orthogonal to the optical axis.

As described above, the switching frame members 31 and 32 for switching the screen size are provided inside the photographing frame 11, and the projection 32b is provided on the light beam side surface of the switching plate member 32 to block a part of the light flux. Therefore, flare occurring in both standard shooting and panoramic shooting is reduced, and the image quality is further improved. In this embodiment, the projection 32b is provided on the light beam side surface of the switching plate member 32, but a projection may be provided on the light beam side surface of the switching plate member 31.
Both 1 and 32 may be provided with projections on the surface on the light ray side.

The rear end portion 31 of the switching plate members 31, 32
In the state shown in FIG. 7 in which c and 32c are opened, the screen size is switched to the standard size, and the rear end portions 31c and 32c contact the inner wall of the photographing frame 11 and the rib 2c of the body 2 to regulate the position. Further, the rear end portion 31c of the switching plate member 31 contacts the inner wall of the photographing frame 11, and the rear end portion 32c of the switching plate member 32 shields light while the rear end portion 32c contacts the rib 2c of the body 2.
Further, in the state shown in FIG. 8 in which the rear end portions 31c and 32c of the switching plate members 31 and 32 are closed, the screen size is switched to the panoramic size, and the rear end portions 31c and 32c are formed on the inner wall of the photographing frame 11. The position is regulated by coming into contact with the ribs 11b and 11c. Further, the front end portions 3 of the switching plate members 31, 32 are
A step is formed between 1d and 32d and the holding frame 21, and ribs 11b and 11c cover the side portions of the switching plate members 31 and 32 and are shielded from light.

As described above, the switching plate members 31, 32 are closed on the inner wall of the photographing frame 11 when the switching plate members 31, 32 are closed.
Ribs 11b and 11c that cover the side of 2 and shield light are provided at four positions in the optical axis direction, and the switching plate members 31 and 32 are closed to form a panoramic size. In panoramic photography in the closed state of 32, the side portions of the switching plate members 31 and 32 are covered with ribs to block light, so that intrusion of light from the outside and leakage of light from the inside can be prevented. , The image quality is improved.

Support pins 33, 3 of the switching plate members 31, 32
4, cams 35 and 36 are integrally rotatable, and the cam 36 of the lower switching plate member 32 is the upper switching plate member 31.
It operates in conjunction with the cam 35. The cams 35 and 36 of the switching plate members 31 and 32 are connected to the ends 90a and 90b of the switching spring 90 as shown in FIG.
The direction in which 32c is always closed is biased so that the screen size becomes the panoramic size in the state shown in FIGS.

The cam 35 of the upper switching plate member 31 is
It is operated by the operation member 39, and the switching operation member 40 is connected to the operation member 39. The operating member 39 is supported inside the front cover 3 so as to be rotatable about the photographing optical axis.
A switching operation member 40 is provided on the operation member 39, and the switching operation member 40 is disposed in the vicinity of the grip portion 8 on the front surface of the camera and is rotatable about the photographing optical axis.

When the switching operation member 40 is located at the switching position P1 of the standard size, the pushing portion 39a of the actuating member 39 is the pin portion 35a of the cam 35 of the switching plate member 31, as shown by the chain double-dashed line in FIG. Since the tumbler spring 37 does not contact the rear end portion 31c of the switching plate members 31 and 32,
32c opens and becomes the standard size in the state shown in FIG. The tumbler spring 37, as shown in FIG.
7b is connected to the cams 35 and 36, and the tumbler spring 37
The central portion 37c of the above is supported inside the front cover 3 via a support pin 38. The tumbler spring 37 is a switching spring 90.
The rear end portion 31 of the switching plate members 31, 32 with a larger urging force
In the opening direction of c and 32c, the screen size is biased to the standard size in the state shown in FIG.

Then, when the switching operation member 40 is operated to move between the standard size switching position P1 and the panorama size switching position P2, as shown by a solid line in FIG. Is the cam 35 of the switching plate member 31.
Since the cam 35 rotates in the direction of the arrow as it abuts against the pin portion 35a of the switch 35, the cam 36 rotates in conjunction with this and the rear end portion 31c of the switching plate members 31 and 32 resists the tumbler spring 37. , 32c are closed, and the panorama size becomes the state shown in FIG.

As described above, the changing operation member 40 has the standard size switching position P1 and the panoramic size switching position P2.
It is configured to operate the screen size switching mechanism 30 by moving between the two. A reference point O is set between the standard size switching position P1 and the panoramic size switching position P2 by the tumbler spring 37, and the switching operation member 40 is moved to the standard size switching position P1 on the standard size switching position P1 side from the reference point O. An urging means A is configured to urge the switching operation member 40 toward the panorama size switching position P2 side on the panorama size switching position P2 side from the reference point.

Further, a pin 41 provided on the interlocking member 39
Is slidably provided in the guide hole 42a of the switching plate 42, and the switching plate 42 moves in the arrow direction in conjunction with the interlocking member 39. The switching plate 42 is provided with a panoramic size finder frame 6a. Therefore, when the switching operation member 40 is located at the standard size switching position P1, the switching plate 42 is on the left side, at the position shown by the chain double-dashed line in FIG. 4, and the panorama size finder frame 6a is out of the standard size finder frame 6ba. Therefore, the finder 6 has a standard size.

On the other hand, when the switching operation member 40 is located at the panorama size switching position P2, the switching plate 42 is used.
Is on the right side, as shown by the solid line in FIG. 4, and since the panoramic size finder frame 6a is set, the finder 6 becomes the panoramic size and the finder 6 is replaced by the changing operation member 4
The standard size is switched by 0 and the panorama size is switched in tandem.

As described above, since the switching operation member 40 for operating the screen size switching mechanism 30 is arranged on the front surface of the camera in the vicinity of the grip portion 8 and is rotatable about the photographing optical axis, the photographing operation is possible. Even in the middle of, while the photographer holds the grip portion 8 with one hand and operates the switching operation member 40 in the vertical direction of the arrow direction to rotate the operation, the screen size can be switched reliably and easily. The operability of size switching is improved.

On the side of the switching position of the standard size from the reference point O, the switching operation member 40 has the switching position P1 of the standard size.
On the other hand, the switching operation member 40 is biased toward the panorama size switching position P2 side from the reference point O on the panorama size switching position P2 side.
Does not stop in the middle of switching, and the screen size can be reliably switched to either the standard size or the panorama size, and an operation error during the switching can be prevented.

[0038]

As described above, according to the first aspect of the present invention, the screen size switching mechanism for switching between the standard size and the panoramic size and the photographing lens are assembled into a holding frame into a unit, and the unitized holding is performed. By assembling the frame into the photographing frame by engaging the concave and convex parts, the assembling property is improved. Further, the tool can be inserted from a tool hole formed at a position corresponding to the concave-convex engaging portion between the photographing frame and the holding frame, and the holding frame can be easily disengaged from the outside with the tool. in this way,
Even with the screen size switching structure, by increasing the number of parts by unitizing the holding frame, the unitized holding frame can be easily removed, disassembly is improved and reusable, The cost can be reduced, and it is preferable in terms of pollution control.

According to the second aspect of the present invention, the screen size switching mechanism for switching between the standard size and the panorama size is attached to the holding frame to form a unit, and the unitized holding frame is attached to the frame. Assembling improves. Further, since the switching plate member for switching between the standard size and the panorama size of the screen size switching mechanism is rotatably supported between the photographing frame and the holding frame, a dedicated supporting member is not required, It is possible to suppress the increase in the number of parts for switching the screen size as much as possible, facilitate the assembly, improve the assemblability, and reduce the cost.

[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 right side view of the film-integrated camera.

FIG. 4 is a diagram showing an operating state of a switching operation member.

FIG. 5 is a diagram showing a state in which a front cover of the film-integrated camera is opened.

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

7 is a cross-sectional view showing a standard size state taken along line VII-VII of FIG.

FIG. 8 is a sectional view showing a panoramic size state at the same position as in FIG.

[Explanation of symbols]

 1 Film-integrated camera 2b, 4a Tool hole 5 Photographing lens 11 Photographing frame 21 Holding frame 31, 32 Switching plate member 30 Screen size switching mechanism

Claims (2)

[Claims] 1. A film-integrated camera, in which a photographic film is loaded in a wound state in advance at the time of assembling, the photographic film is wound up and wound up for each photographing, and disassembled to take out the photographed photographic film. A screen size switching mechanism for switching between size and panorama size and a taking lens are assembled into a holding frame to form a unit, and the unitized holding frame is engaged with the taking frame for defining the taking range of the photographic film in a concavo-convex manner. A film-integrated camera characterized in that a tool hole into which a tool can be inserted from the outside is formed at a position corresponding to the concave and convex engaging portion. 2. A standard film-integrated camera, wherein a photographic film is loaded in a state of being wound in advance at the time of assembly, the photographic film is wound up and wound up for each photographing, and disassembled to take out the photographed photographic film. A screen size switching mechanism for switching between size and panorama size and a taking lens are assembled into a holding frame to form a unit, and the united holding frame is assembled into a shooting frame that defines the shooting range of the photographic film, and the screen size A film-integrated camera characterized in that a switching plate member for switching between a standard size and a panoramic size of a switching mechanism is rotatably supported between the photographing frame and the holding frame.