JPH09325406A - Camera structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a new type of camera structure which can further miniaturize in its width direction by using a film cartridge in which a photographic film, such as a silver film, is rolled to be contained. SOLUTION: A camera 10 is provided with a film rolling spool 43 by which a film F contained in a columner film cartridge FC is rolled up. A plane surface C defined by the center lines of both the film cartridge FC and the film rolling spool 43 intersects a film surface Fe positioned between the film cartridge FC and the film rolling spool 43. In any case, an inner surface 11b of a camera body 11 is provided to be nearly parallel with the plane surface C defined by the center lines of both the film cartridge FC and the film rolling spool 43.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a camera structure of a camera using a cartridge type film in which a photographing film such as a silver halide film is stored in a roll shape as a film to be used.

[0002]

2. Description of the Related Art A camera using a silver halide film as a photographic film generally uses a film cartridge containing a silver halide film in a roll, such as a CH135 or a recently developed IX240.

In this type of camera, a cartridge chamber for storing a film cartridge and a spool chamber for storing a film delivered from the film cartridge stored in the cartridge chamber are arranged on the left and right sides of the camera body. Is arranged between the cartridge chamber and the spool chamber substantially in parallel with the left-right direction of the camera body.

In a camera having such a conventional structure,
In order to secure an optical path from the taking lens to the film surface between the cartridge chamber and the spool chamber, the distance between the cartridge chamber and the spool chamber in the left and right direction of the camera must be at least a certain distance. In particular, there is a limit in reducing the width of the camera in the left-right direction.

[0005]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional problems, and is directed to a camera using a film cartridge in which a photographic film such as a silver halide film is housed in a roll shape. It is an object of the present invention to provide a novel camera structure capable of realizing further miniaturization of the camera.

[0006]

SUMMARY OF THE INVENTION A camera structure according to the present invention is a camera for winding a film from a columnar film cartridge by a film winding spool with respect to a plane connecting the central axes of the film cartridge and the film winding spool. The film surface located between the film cartridge and the film winding spool is crossed, and at least the rear surface of the camera body is made substantially parallel to the plane connecting the central axes of the film cartridge and the film winding spool. There is.

Further, in the camera structure of the present invention, a cartridge chamber for accommodating the film cartridge and a spool chamber for accommodating the film sent from the film cartridge accommodated in the cartridge chamber are arranged on the left and right sides in the camera body, In a camera in which a film surface exposed by shutter release is arranged between the cartridge chamber and the spool chamber, the film surface is located on a plane inclined with respect to the left-right direction of the camera.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below based on illustrated embodiments. FIG. 1 is a front view of a lens shutter camera 10 in a photographable state to which the present invention is applied, as viewed from the front of a photographing optical axis O. FIG. 2 is a view of the camera 10 taken along line II in FIG. FIG. 3 shows a cross-sectional view, and FIG.
FIG. 4 shows a cross-sectional view of the camera 10 along the line I, and FIG.
When the camera 10 shown in FIG.
FIG. 2 shows a cross-sectional view of the camera 10 along the line II.

The camera 10 is a single focus type lens shutter compact camera in which a finder optical system and a photographing optical system are independent from each other, and has a substantially box-shaped camera body 11. 1, 2, and 3 show the camera 10 in a photographable state, and FIG. 4 shows the camera 10 in a housed state. A release button 13 (see FIG. 1) is provided near one end of the upper surface of the camera body 11.

On the upper portion of the front wall 11a of the camera body 11, the front wall 11a is viewed from the front of the camera (upward in FIG. 2), and sequentially from the left, a strobe window 15, an AF ranging window 16, a finder objective window 17, and A photometric window 18 is provided. A rectangular opening 20 is formed in the front wall 11a of the camera body 11 below each of the windows.

On the front wall 11a of the camera body 11,
A lens master plate 23 for opening and closing the opening 20 is provided.
This lens master plate 23 is axially attached to the front wall 11a via a shaft 22 extending along one side of the opening 20 in the vertical direction of the camera 10 (vertical direction in FIG. 1). It is rotatable between the position and the closed position shown in FIG.

A cover plate 25 is attached to the front wall 11a of the camera body 11 via a shaft 24 extending vertically along the other side of the opening 20 opposite to the one side. The cover plate 25 is rotatable between an open position shown in FIGS. 1 to 3 and a closed position shown in FIG.
Further rotation from the open position to the open direction (counterclockwise direction in FIG. 2) is restricted. FIG. 5 shows a state where the lens master plate 23 is at the closed position and the cover plate 25 is at the open position. The lens master plate 23 and the cover plate 25 are each manually opened and closed.

When the cover plate 25 is moved to the closed position after the lens parent plate 23 is moved to the closed position, the cover plate 25 covers the front surface of the lens parent plate 23 to protect the photographic lens 30 and thereby the camera. 10 is in the housed state shown in FIG. In this stored state, the cover plate 25 and the lens master plate 23 are positioned on the front of the camera body 11 (the front of the front wall 11a).
And the rear surface 11b of the camera body 11
Becomes substantially parallel. Further, when the lens master plate 23 is moved to the open position after the cover plate 25 is moved to the open position as shown in FIG. 5, the camera 10 is brought into the photographable state shown in FIGS.

When the lens main plate 23 in the closed position is moved from the open state of the cover plate 25 to the open position, the lens main plate 23 slides its end 23 a against the inner side surface 25 a of the cover plate 25. While rotating about the shaft 22 while reaching the open position, the end 23a engages with the vertical groove 25b formed on the inner surface 25a of the cover plate 25 and is supported at the open position. That is, the open position of the lens master plate 23 is
5b.

The lens master plate 23 is provided with a photographing lens 30 which forms a photographing optical system of the camera 10. The taking lens 30 is supported by an AF / AE shutter unit 32 (indicated by a two-dot chain line) fixed to the back surface 23 c of the lens master plate 23, and has a circular opening 23 b formed substantially at the center of the lens master plate 23. Through the lens main plate 23. The taking lens 30 is provided so that its taking optical axis O is orthogonal to the lens master plate 23. Therefore, in the photographable state, the photographing optical axis O is inclined with respect to the left-right direction of the camera 10 (direction D in the figure).

Between the upper edge portion of the lens master plate 23 and the front wall 11a and between the lower edge portion of the lens master plate 23 and the front wall 11a, the photographing from the photographing lens 30 to the film surface Fe is performed. A bellows (not shown) made of a rubber material or the like for shielding the optical path is provided. With this bellows,
External light does not enter the inside of the camera 10 in a photographable state where both the lens master plate 23 and the cover plate 25 are located at the open position. The upper and lower bellows are folded inward and stored in the camera body 11 in a storage state in which the lens master plate 23 and the cover plate 25 are both located at the closed position.

As shown in FIG. 3, in the camera body 11, a strobe light emitting device 32 and an AF device are positioned behind the above-described strobe window 15, AF distance measuring window 16, finder objective window 17 and photometric window 18. Sensor module 33,
A finder optical system 34 and a photometric sensor module 35 are provided. These strobe light emitters 32, A
The optical axes of the F sensor module 33, the finder optical system 34, and the photometric sensor module 35 are substantially parallel to the photographing optical axis O. That is, the strobe light emitter 32, the AF
The optical axis of each of the sensor module 33, the finder optical system 34, and the photometric sensor module 35 is also inclined with respect to the left-right direction of the camera 10, similarly to the photographing optical axis O.

As shown in FIG. 3, the finder optical system 34 has a shape in which the optical axis is bent at two right angles. The objective side end 34a faces the finder objective window 17, and the eyepiece side end. 34b is the rear surface 11 of the camera body 11.
b. It faces the finder eyepiece window 14 (FIG. 3) formed in the upper part.

On the left and right inside the camera body 11, a spool chamber 40 and a cartridge chamber 41 are formed. Inside the cartridge chamber 41, a column-shaped film cartridge FC loaded in a predetermined direction from a film cartridge insertion opening (not shown) provided on the bottom surface of the camera body 11 is stored. A winding spool 43 for winding the film F sent from the cartridge FC is provided.

The distance L (see FIG. 2) between the spool chamber 40 and the cartridge chamber 41 is larger than the horizontal length (length in the horizontal direction in FIG. 2) of the rectangular photographing aperture (aperture) 46 that determines the screen size. Has been made smaller. More specifically, the shooting aperture 46 has a size of 24 mm × 36 mm, so that the horizontal length of the shooting aperture 46 is 36 mm, and the distance L
Is about 28 mm.

A frame member 45 is fixed between the spool chamber 40 and the cartridge chamber 41 inside the camera body 11 and surrounds a photographic optical path extending from the opening 20 into the camera body 11. Is the shooting aperture 4
An aperture frame 47 provided with an aperture 6 is integrally formed.
The aperture frame 47 extends in parallel with the lens master plate 23 located at the open position. That is, the aperture frame 47
Is provided on a plane extending in the up-down direction of the camera 10 (up-down direction in FIG. 1) and inclined with respect to the left-right direction of the camera 10. Further, since the lens parent plate 23 and the aperture frame 47 located at the open position are parallel to each other, the optical axis O of the photographing lens 30 in a photographable state extends perpendicular to the aperture frame 47.

A film guide rail (not shown) extending in the left-right direction of the camera 10 is provided on the upper and lower sides of the aperture frame 47 with the photographing opening 46 interposed therebetween. 50 is the aperture frame 47
And are provided in parallel. The film F travels between these film guide rails and the pressure plate 50. Therefore,
The exposure surface of the film F, which is located on the pressure plate 50 and faces forward from the photographing opening 46, that is, the film surface Fe exposed by the shutter release, is parallel to the lens master plate 23 located at the open position. The camera 10 is located on a plane inclined with respect to the left-right direction of the camera 10. Also, the film surface F
e is a film cartridge FC and a winding spool 43
, And a rear surface 11b of the camera body 11 is substantially parallel to the plane C (shown by a dashed line in FIG. 2).

As shown in FIGS. 2 to 4, the space surrounded by the frame member 45 between the front surface of the camera body 11 and the film surface Fe is formed as a substantially wedge-shaped space 48. When the lens master plate 23 is closed, as shown in FIG.
Is stored inside.

A pressure plate 50 is provided inside the camera body 11.
The camera 1 is located at a position close to the end on the spool chamber 40 side of the camera 1.
A guide roller 51 extending in a vertical direction of 0 is provided rotatably. The film F sent from the film cartridge FC and reaching the spool chamber 40 through the space between the film guide rail and the pressure plate 50 is wound around the guide roller 51 and wound around the spool 43.

A pressure plate 50 is provided inside the camera body 11.
Motors 5 each having a cylindrical shape and located behind
2 and a capacitor 54 are provided. Motor 52
Is a drive motor used for winding and rewinding the film F.
2 strobe condenser.

In the camera body 11, a battery storage chamber 56 is formed in a space between the spool chamber 40 and the camera body 11, and the battery storage chamber 56 is provided on the bottom surface of the camera body 11. A rechargeable plate-gum battery 58 (NiCad battery, nickel-metal hydride battery, lithium ion battery, etc.) loaded in a predetermined direction from a battery insertion slot (not shown) is accommodated.

In the camera 10 having the above structure, the film surface Fe exposed by the shutter release is not formed in a structure parallel to the left-right direction (D direction in the figure) of the camera 10 but is a plane inclined with respect to the same direction. The space L between the spool chamber 40 and the cartridge chamber 41.
Is significantly reduced more than the horizontal length of the photographing opening 46, that is, the horizontal length of the film surface Fe. Due to the reduction of the interval L, the camera 10 at the time of storage is
Is reduced in the width in the left-right direction.

Each of FIGS. 6 to 8 shows the camera 10 described above.
7 shows another embodiment showing a modified example of the camera configuration of FIG. In these drawings, members that are substantially the same as the members of the camera 10 are denoted by the same reference numerals.

The camera 10a shown in FIG.
In this embodiment, the arrangement of 0 and the cartridge chamber 41 is opposite to the arrangement of the camera 10. In this camera 10a,
Space 5 between cartridge chamber 41 and camera body 11
A film gum battery 58 is accommodated in 6 ′, and the film F sent from the film cartridge FC via the guide roller 51 provided near the film feed port of the film cartridge FC is sent to the spool chamber 40.

The camera 10b shown in FIG.
This is an embodiment in which the positions of the respective members of 0 are all reversed right and left.

The camera 10c shown in FIG.
0 and the cartridge chamber 41 are arranged opposite to the arrangement of the camera 10b.

The cameras 10, 10a, 1 of the above embodiment
Film cartridge FC used in 0b and 10c
May be any type of film cartridge as long as it is a film cartridge containing a silver salt film such as CH135 or IX240 in a roll shape.

Further, each of the cameras in the above embodiments is a single focus type lens shutter type compact camera, but the present invention is not limited to this and is of a multifocal type incorporating a two focus switching type lens, a zoom lens and the like. The present invention may be applied to a lens shutter type compact camera. Also,
The present invention may be applied to a single-lens reflex camera.

[0034]

As described above, according to the camera to which the camera structure of the present invention is applied, in a camera using a film cartridge in which a photographic film such as a silver halide film is stored in a roll shape, particularly in the lateral direction of the camera. Can be further reduced in size.

[Brief description of drawings]

FIG. 1 is a front view of a lens shutter type camera in a photographable state to which the present invention is applied as viewed from the front of a photographing optical axis.

FIG. 2 is a sectional view of the camera taken along the line II of FIG. 1;

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

FIG. 4 is a sectional view showing a housed state of the camera.

FIG. 5 is a cross-sectional view showing a state where a lens parent plate is at a closed position and a cover plate is at an open position.

FIG. 6 is a sectional view showing another embodiment of the camera to which the present invention is applied.

FIG. 7 is a sectional view showing another embodiment of the camera to which the present invention is applied.

FIG. 8 is a sectional view showing another embodiment of the camera to which the present invention is applied.

[Explanation of symbols]

 REFERENCE SIGNS LIST 10 camera 11 camera body 13 release button 11 a front wall 20 opening 23 lens main plate 23 a opening 25 cover plate 30 shooting lens 32 shutter unit 40 spool chamber 41 cartridge chamber 43 winding spool 45 frame member 46 shooting opening 47 aperture frame 50 pressure plate 51 guide Roller 52 Motor 54 Capacitor 58 Sheet gum battery D Camera left / right direction F Film FC Film cartridge Fe Film surface exposed by shutter release L Spacing between spool chamber and cartridge chamber O Photographing optical axis

Claims (14)

[Claims] 1. A camera for winding a film from a columnar film cartridge by a film winding spool, wherein the film cartridge and the film winding are mounted on a plane connecting the respective central axes of the film cartridge and the film winding spool. A camera structure in which a film surface located between the spool and the film is intersected, and at least the rear surface of the camera body is substantially parallel to a plane connecting the central axes of the film cartridge and the film winding spool. 2. The camera structure according to claim 1, wherein a substantially wedge-shaped space is provided between the front surface of the camera and the film surface. 3. The camera structure according to claim 2, wherein a lens parent plate to which a taking lens is fixed is axially attached to one side of the substantially wedge-shaped space. 4. The camera structure according to claim 3, wherein the taking lens is supported by a lens shutter unit, and the lens shutter unit is fixed to a lens parent plate. 5. The camera structure according to claim 3, wherein the taking lens is housed in a substantially wedge-shaped space when the lens parent plate is closed. 6. The cover plate according to claim 3, wherein a cover plate is pivotally attached to the other side of the substantially wedge-shaped space, and the cover plate is in a state where the lens parent plate is closed. A camera structure that covers at least a portion of the front of the lens parent plate when closed. 7. The camera structure according to claim 6, wherein the cover plate covers the front surface of the photographing lens and protects the front surface when the lens parent plate is closed. 8. The camera structure according to claim 6, wherein the lens parent plate and the cover plate are substantially flush with the front surface of the camera when the lens parent plate and the cover plate are closed. 9. The camera structure according to claim 6, wherein the lens parent plate and the cover plate are substantially parallel to the rear surface of the camera when they are closed. 10. The photographing optical axis according to claim 1, being orthogonal to a plane of the film and orthogonal to a plane connecting central axes of the film cartridge and the film winding spool. Not a camera structure. 11. A cartridge chamber for accommodating a film cartridge and a spool chamber for accommodating a film sent from the film cartridge accommodated in the cartridge chamber are arranged on the left and right sides in a camera body and exposed by a shutter release. A camera structure in which a film surface is arranged between the cartridge chamber and the spool chamber, wherein the film surface is located on a plane inclined with respect to the left-right direction of the camera. 12. The lens front plate according to claim 11, wherein the lens front plate is axially attached to the turtle body and is substantially parallel to the film surface when positioned at an open position opened at a predetermined angle with respect to the camera front surface. A camera structure that is provided and supports the shooting lens of the camera on this lens base plate. 13. The camera structure according to claim 12, wherein the taking lens is supported by a lens shutter unit, and the lens shutter unit is fixed to a lens parent plate. 14. The lens parent according to claim 12, further comprising a lens parent plate axially attached to a front surface of the camera, the lens parent plate being held in the open position when the lens parent plate is located in the open position. A camera structure in which a cover plate is provided to cover the front surface of the lens parent plate to protect the taking lens when the plate is placed in the closed position.