JPH05158114A - Camera - Google Patents

Abstract

PURPOSE:To efficiently and compactly incorporate a power supply battery and a capacitor for flashing in a camera main body, in a camera for flash photographing. CONSTITUTION:A space part surrounded by a cartridge room 11, a film take-up spool room 13, and a photographing light path room 15 between a photographing lens 2 and an aperture part 14, used as a power supply battery room 31, in the camera main body 4. Then, the power supply battery almost equal to the length in the longitudinal direction of a photographic picture frame is housed in the room 31. On the other hand, capacitors for an electronic flashing device 33 and 34, plurally divided and formed, are arranged along a spool room side- surface part, in the housing space 32 of the cartridge room side opposite to the spool room, in the camera main body. Further, a diaphragm 37 for the photographing optical room of the power supply battery room 31, is extended to a position not interfering with the photographing light path to a film surface in the photographing light path room. Moreover, a film rewinding gear is arranged along the longitudinal direction of the power supply battery 30, in the space formed on one side in the thickness direction of the camera body 4 of the power supply battery room 31.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a camera capable of flash photography with an electronic flash device (hereinafter referred to as strobe), and more particularly to a power supply battery (hereinafter referred to as battery) in the camera body.
And a camera incorporating a stroboscopic light emitting capacitor.

[0002]

2. Description of the Related Art For example, in a compact camera,
There is a great demand for miniaturization and compactness of the whole body in order to make it easy to carry and handle, and it is desired to assemble the parts to be incorporated into the main body as efficiently and compactly as possible.

By the way, it is known that a camera of this type is equipped with a strobe either internally or externally so that flash photography can be performed. In such a camera, it is necessary to incorporate a battery for strobe charging and a strobe light emitting capacitor inside the camera body.

In a camera incorporating such a battery and a light emitting capacitor, a storage chamber is generally provided outside the spool chamber for winding the film sent from the cartridge in the camera body. It has a built-in capacitor.

[0005]

However, as described above, in the horizontally long conventional structure in which the battery and the capacitor are incorporated and arranged on one side portion in the width direction of the camera body, the size and size of the camera can be reduced. It was a problem in trying.

In particular, in recent cameras, it is desired to increase the capacity of the battery as electronic parts become electronic, and for those equipped with a strobe, it is also desired to increase the capacity of the capacitor in order to shorten the charging time. In order to assemble a battery or a capacitor having a large capacity, the outer diameter of the battery is increased, which is a problem in incorporating it into the camera. That is, when a battery or a capacitor is arranged on the side surface of the camera, only the larger one of them is
Since the camera is horizontally long, it is a major obstacle to downsizing and compacting.

For this reason, it is known that a bulging portion is provided on a part of the front side or the back side of the camera body, a storage space is secured inside the bulging portion, and a battery and a capacitor are incorporated therein. However, with a camera body having such a bulging portion, a grip effect when holding the camera can be obtained, but on the other hand, the thickness of the camera body increases, which is an obstacle to downsizing and compacting. so,
It is desired to take some measures that can eliminate such problems.

The present invention has been made in view of the above circumstances, and an object thereof is to obtain a camera which can efficiently and compactly incorporate a battery and a stroboscopic light emitting capacitor into the camera body.

[0009]

In order to meet such a demand, a camera according to the present invention is formed in a camera body between a film cartridge chamber, a film winding spool chamber, a photographing lens and an aperture portion. The space surrounded by the shooting optical path chamber is used as a battery chamber for accommodating batteries substantially equal to the longitudinal direction of the shooting screen, and along the side surface of the spool chamber on the side opposite to the cartridge chamber in the camera body.
This is a structure in which a stroboscopic light emitting capacitor divided into a plurality of parts is arranged.

Further, according to the camera of the present invention, the partition wall of the battery chamber with the photographing optical path chamber is formed by bulging to a position in the photographing optical path chamber that does not interfere with the photographing optical path from the photographing lens to the film surface. A film rewinding gear train for transmitting film rewinding power is arranged in the film cartridge in a space formed on one side in the thickness direction of the camera body in the battery chamber along the longitudinal direction of the battery.

[0011]

According to the present invention, a battery having a length substantially equal to the longitudinal direction of the photographing screen is housed in the camera body along the film feeding direction below the photographing optical path chamber from the photographing lens to the film surface. A stroboscopic light emitting capacitor divided into multiple parts with a small diameter is placed inside the camera body in a space outside the spool chamber where the amount of protrusion to the outside is minimized.
It can be stored and arranged.

Further, according to the present invention, the battery chamber is provided so as to face a portion of the photographing optical path chamber that does not interfere with the photographing optical path, or a film rewinding gear train is provided in the thickness direction of the camera body in the battery chamber. By disposing it, the camera body can be downsized.

[0013]

1 to 5 show an embodiment of a camera according to the present invention. In these drawings, in this embodiment, a lens barrel 3 having a taking lens 2 is used as a camera indicated by reference numeral 1 as a whole. Is a compact camera provided so as to be able to move forward and backward. Here, as is apparent from FIGS. 4 and 5, the lens barrel 3 is configured to be in a shooting state in which it is projected in front of the camera body 4 or in a sinking state in which it is housed in the body 4. In the figure, 5 is a shutter unit having a lens shutter mechanism for holding the taking lens 2 in the lens barrel 3 and opening / closing the taking optical path, 6 is a lens barrel driving motor for driving the lens barrel 3 forward and backward, and 7 is The rotation of the motor 6 is transmitted through the reduction gear train 8 to move the lens barrel 3 forward and backward, and a guide screw 9 for guiding and supporting the lens barrel 3 so that the lens barrel 3 can be moved forward and backward within the camera body. It's a pin. Here, the lens barrel 3 described above is configured to be moved back and forth for focusing by AF (autofocus).

Inside the camera main body 4, a portion in one lateral direction (right side in FIGS. 1 and 2 and left side in FIG. 3) is
A film cassette 11 in which a film cartridge 10 is loaded
However, a spool chamber 13 having a film take-up spool 12 is formed in the portion on the other side (the left side in FIGS. 1 and 2, the right side in FIG. 3). A photographing optical path chamber 15 through which a photographing optical path to the film surface is formed is formed between the photographing lens 2 and the aperture portion 14 through which the film sent between the cartridge chamber 11 and the spool chamber 13 passes. Here, in this embodiment, the photographing optical path chamber 15 is
It also serves as a lens barrel chamber for housing the lens barrel 3.

Reference numeral 16 denotes a film winding / rewinding drive motor internally provided in the spool 12, the output of which is a film rewinding gear train for transmitting the film rewinding power shown by 17 in the drawing from the motor shaft 16a. , A transmission shaft 18, and a rewinding fork 19 which faces the inside of the cartridge chamber 11 via a transmission gear train 18a (only a part of which is shown).
It is configured to transmit the driving force to. Also, FIG.
Inside 11a is a cartridge 1 that is loaded into the cartridge chamber 11.
It is a Dx contact for reading a film sensitivity display code of 0.

In the drawing, reference numerals 20 and 21 denote a light emitting and receiving lens for AF (autofocus), 22 is a strobe light emitting portion provided above the camera body 4 and above the cartridge chamber 11, and 23 is a viewfinder objective lens. Reference numeral 24 is a real image finder optical system, 25 is an electric component mounting substrate, and 26 is a finder eyepiece lens. Further, 27 is a back cover of the camera body 4, 28 is a film pressure plate for pressing a film against the aperture portion 14, 29a in FIG. 3 is a back cover side film roller, and 29b is a camera body side film roller, both of which are mounted on the spool 12. It is attached to the outer periphery.

According to the present invention, in the camera 1 capable of flash photography by the strobe light emitting section 22 as described above, the cartridge chamber 11, the spool chamber 13 for film winding, and the photographing lens 2 in the camera body 4. The space surrounded by the photographing optical path chamber 15 between the aperture portions 14 is used as a battery chamber (power supply battery chamber) 31 for accommodating the batteries 30 substantially equal to the longitudinal direction of the photographing screen, and a spool chamber in the camera body 4. A plurality of strobe light-emission capacitors 32, 3 formed in a plurality along the side surface of the spool chamber 13 in the storage space 32 on the side opposite to the cartridge chamber 11 side.
The feature is that 3 is arranged. In addition, 31a is a battery chamber cover, 35 is a + side electrode, 36
Is the negative electrode.

With such a structure, the amount of protrusion of the storage space 32 at the side portion of the spool chamber 13 of the camera body 4 to the outside, which has been conventionally caused to be horizontally long, is minimized to the minimum, and the inside diameter is reduced. By accommodating and arranging the capacitors 33 and 34, which are separately formed so that the dimensions are small,
Since the size of the camera body 4 in the lateral direction can be reduced and the battery 30 is skillfully used to accommodate the lower space portion of the photographing optical path chamber 15, the overall size of the camera body 4 can be reduced. It is a thing. In particular, as shown in FIG.
By arranging the capacitors 33 and 34 in the most space in front of and behind the camera body 4 on the arc surface of the partition wall 13a forming the spool chamber 13, the size of the camera can be reduced in the lateral direction. is there.

That is, according to the present invention, among the various types of batteries, for example, the battery 30, which is mainly used for a compact camera, has a longitudinal length substantially equal to the longitudinal direction of the photographing screen. Focusing on, the space formed below the photographing optical path chamber 15 between the photographing lens 2 and the aperture portion 14 between the cartridge chamber 11 and the spool chamber 13 on both sides of the camera body 4 is defined as a battery chamber 31. The battery 30 is arranged horizontally in the chamber 31, and the strobe light-emitting capacitors 33 and 34 are divided into, for example, two parts, each of which has a smaller diameter, and is installed in the side space (storage space 32) of the spool chamber 13. It is intended to be placed in.

Therefore, in the conventional structure, the spool chamber 1
Since the battery and the light-emitting capacitor are both disposed in the lateral space of 3, the lateral dimension of the camera is increased by the diameter dimension of these, whereas the capacitor 33 having a smaller diameter is used. Just install the 34, camera 1
The lateral length of the camera 1 can be shortened, which is effective in reducing the size and size of the camera 1.

Here, according to the present invention, the partition wall 37 of the battery chamber 31 with the photographing optical path chamber 15 is expanded to a position in the photographing optical path chamber 15 where it does not interfere with the photographing optical path from the photographing lens 2 to the film surface. Since the battery chamber 31 is formed so as to extend, the amount of protrusion of the battery chamber 31 to the lower side of the camera body 4 can be suppressed, and the size reduction of the camera body 4 in the vertical direction can be further effectively achieved. That is, the photographic optical path forming the standard screen on the film surface from the photographic lens 2 has a margin in the photographic optical path chamber 15.
Even if the partition wall 37 forming the battery chamber 31 is bulged so as to reach a position in the photographing optical path chamber 15 that does not interfere with the photographing optical path, there is no problem in practical use.

Further, according to the present invention, the film rewinding power is applied to the film cartridge 10 along the longitudinal direction of the battery 30 in the space 40 formed in the battery chamber 31 at one side in the thickness direction of the camera body 4. A film rewinding gear train 17 for transmitting is arranged. With such a configuration, the film rewinding gear train 17 can be arranged by skillfully utilizing the space 40 formed in the battery chamber 30 in the thickness direction of the camera body 4, and such a gear can be used. The rows 17 can be arranged in the space inside the camera without waste, and can be effective in achieving the downsizing of the entire camera body 4.

It is needless to say that the present invention is not limited to the structure of the embodiment described above, and the shape, structure, etc. of each part of the camera 1 can be appropriately modified or changed. For example, in the above-described embodiments, the case of a compact camera is illustrated, but the present invention is not limited to this, and the present invention can be applied to various types of cameras including a single-lens reflex camera and can exert the effect.

[0024]

As described above, according to the camera of the present invention, the space surrounded by the film cartridge chamber, the film winding spool chamber, the photographing lens, and the photographing optical path chamber between the apertures in the camera body. The part is a battery chamber that houses a battery that is approximately equal to the longitudinal direction of the shooting screen, and a strobe light emitting capacitor that is divided into a plurality of parts is formed along the side surface of the spool chamber on the side opposite to the cartridge chamber in the camera body. Since it is arranged, despite the simple structure, the amount of protrusion of the storage space on the side of the spool chamber of the camera body to the outside, which was the cause of becoming long in the past, was minimized to the minimum, and it was divided inside. The size of the camera body in the horizontal direction can be reduced by storing and arranging these capacitors, and the battery can be stored in the space below the shooting optical path room. Since you are, even when attempted to capacity of the battery and the capacitor, there is an excellent effect that may reduce the size of the entire camera.

Further, according to the present invention, the partition between the battery chamber and the photographing optical path chamber is formed by bulging to a position where it does not interfere with the photographing optical path from the photographing lens to the film surface in the photographing optical path chamber, or the battery chamber. Since the film rewinding gear train for transmitting the film rewinding power is arranged in the film cartridge in the space formed on one side in the thickness direction of the camera body along the longitudinal direction of the battery, the battery chamber To the part that does not interfere with the shooting optical path in the shooting optical path room, and by skillfully utilizing the space formed in the thickness direction of the camera main body in the battery room to arrange the film rewinding gear train, the entire camera main body It is possible to achieve miniaturization of.

[Brief description of drawings]

FIG. 1 is a schematic sectional view seen from the front side showing an embodiment of a camera according to the present invention.

FIG. 2 is a schematic cross-sectional view showing a cross section at a position different from that of FIG.

FIG. 3 is a schematic cross-sectional view of the camera seen from a plane direction.

FIG. 4 is a schematic sectional view of the camera seen from the side.

5 is a schematic cross-sectional view showing a case where the lens barrel is sunk in the camera body in FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 camera 2 shooting lens 3 lens barrel 4 camera body 10 film patrone 11 patrone chamber 12 film winding spool 13 spool chamber 14 aperture section 15 shooting optical path chamber 16 motor 17 film rewinding gear train 18 transmission shaft 19 rewinding fork 30 Battery (power supply battery) 31 Battery chamber (power supply battery chamber) 32 Storage space 33 Strobe light emission capacitor 34 Strobe light emission capacitor 37 Partition 40 Space

Claims (3)

[Claims] 1. A camera capable of flash photography with an electronic flash device, which is surrounded by a film cartridge chamber and a film winding spool chamber in a camera body, and a photographing optical path chamber formed between a photographing lens and an aperture section therebetween. The enclosed space is a power supply battery chamber that houses a power supply battery that is approximately equal to the longitudinal direction of the shooting screen, and is divided into a plurality of parts along the side surface of the spool chamber on the side opposite to the cartridge chamber in the camera body. A camera having the formed capacitor for emitting light from an electronic flash device. 2. The camera according to claim 1, wherein the partition wall of the power supply battery chamber for accommodating the power supply battery and the photographing optical path chamber is expanded to a position where it does not interfere with the photographing optical path from the photographing lens to the film surface in the photographing optical path chamber. A camera that is formed by letting it out. 3. The camera according to claim 1 or 2, wherein a film is wound around a film cartridge along a longitudinal direction of the power battery in a space formed on one side of the camera body in the power battery chamber in a thickness direction. A camera having a film rewinding gear train for transmitting the returning power.