JP2004061655A - Camera - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a camera for securing strength of a back cover and displaying superior external appearance, by arranging a part of the housing of a prism formed on the lower side of the ocular part of a finder unit, in the inside of a rear face opening part of a camera body opened and closed with a back cover to be covered with the back cover. <P>SOLUTION: The camera arranges the finder unit 62 on the upper part of an aperture 46 of the camera body 42, covers the ocular part 62A of the finder unit 62 with a rear cover body 36, and covers a prism storing part 64B arranged to be projected into the inside of the rear face opening part 44 of the camera body 42. Thereby the camera need not notch the upper edge part of the back cover 38, can secure strength of the back cover 38 and can display superior appearance. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a camera, and more particularly to a camera having a finder eyepiece and a back cover for loading a film on the back.
[0002]
[Prior art]
As described in Japanese Patent Application Laid-Open No. 63-179340, a real-image finder is a finder that forms an inverted real image of a subject with an objective lens, forms an erect image through an erect prism, and magnifies the image with an eyepiece. It is. In this real image type finder, when the optical path is developed in the up and down direction by the erecting prism, the erecting prism has a configuration projecting downward. When the real image type finder having such a configuration is incorporated in a 35 mm film camera, the erecting prism becomes The cover that holds and protrudes to the upper edge of the back pig. In the conventional camera, the cover of the erect prism that protrudes to the upper edge of the rear pig is covered with the rear cover, and the upper edge of the rear pig is partially cut in order to prevent the rear pig from hitting the projection. It was cut out and formed.
[0003]
[Problems to be solved by the invention]
However, when a part of the back pig is cut off, there is a disadvantage that the strength of the back pig is reduced and the appearance is significantly impaired.
[0004]
The present invention has been made in view of such circumstances, and an object of the present invention is to provide a camera capable of securing the strength of a back pig and exhibiting an excellent appearance.
[0005]
[Means for Solving the Problems]
The invention according to claim 1 is, in order to achieve the object, a camera in which a patrone chamber and a film winding chamber are formed with a photographing aperture interposed therebetween in a rear opening of a camera body opened and closed by a back cover, A part of the housing of the prism formed below the eyepiece of the finder unit is arranged to protrude into the rear opening of the camera body, and a part of the protruding housing of the prism is covered with the back cover. A camera characterized by the following.
[0006]
According to a second aspect of the present invention, in order to achieve the above object, a light-shielding groove is formed along a peripheral portion on an inner surface of the back cover, and the light-shielding groove is formed in a rear opening of the camera body. A light-shielding groove is formed along a peripheral edge portion of the camera body, and the light-shielding groove is formed so as to avoid a housing of the prism protruding into a rear opening of the camera body. Item 10. A camera according to item 1.
[0007]
According to the present invention, by covering the housing of the prism formed so as to protrude below the eyepiece with the back pig, it is not necessary to cut out the back pig, and the strength of the back pig can be secured, and an excellent appearance can be obtained. Can be presented.
[0008]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, preferred embodiments of a camera according to the present invention will be described in detail with reference to the accompanying drawings.
[0009]
1 and 2 are a front perspective view and a rear perspective view, respectively, showing an embodiment of the camera according to the present invention.
[0010]
As shown in FIG. 1, a collapsible zoom lens 12 is disposed at a substantially central position in front of a camera 10, and AF windows 14 and 14, a photometry window 16, a finder window 18, and a strobe 20 are disposed above the retractable zoom lens 12. Are arranged side by side in the horizontal direction. On the top surface of the camera 10, a shutter button 22, a power button 24, a liquid crystal panel 26 and the like are arranged. On the other hand, as shown in FIG. 2, a finder eyepiece 28 and a zoom lever 30 are arranged on the back of the camera 10.
[0011]
The exterior of the camera 10 includes a front cover 32 and a rear cover 34. The front cover 32 covers the front part and the outer peripheral part of the camera body, and the rear cover 34 covers the rear part of the camera body. .
[0012]
The rear cover 34 includes a rear cover main body 36 and a back cover 38 provided to be openable and closable with respect to the rear cover main body 36. The rear cover body 36 is formed so as to cover the upper edge and the right edge of the rear surface of the camera body, and the rear cover body 36 is provided with the finder eyepiece 28 and the zoom lever 30. The back cover 38 is provided on the rear cover body 36 via a hinge 40 so as to be freely opened and closed.
[0013]
FIG. 3 is a rear perspective view of the camera with the back cover opened. When the rear cover 38 is opened, the rear opening 44 of the camera body 42 is exposed. An aperture 46 for photographing is formed substantially at the center of the rear opening 44 of the camera body 42. A patrone chamber 48 and a film winding chamber 50 are formed with the photographing aperture 46 interposed therebetween. A 35 mm film patrone (not shown) is loaded into the patrone chamber 48 and pulled out of the patrone by a winding mechanism (not shown). The film pulled out from the patrone is fed while being guided at upper and lower edges by a pair of outer rails 52 formed above and below the photographing aperture 46, and provided in the film winding chamber 50. The spool 54 is wound up. At this time, the film is fed while being sandwiched between a pair of inner rails 60 formed above and below the photographing aperture 46 by a pressure plate 58 provided inside the back cover 38.
[0014]
Here, as shown in FIGS. 3 and 6, an inverted trapezoidal projection is formed in the rear opening 44 of the camera body 42 at a position above the photographing aperture 46. As shown in FIG. 4, the projection is a part of a housing 64 of a finder unit 62 provided on an upper portion of the camera body 42, and accommodates an erect prism constituting the finder.
[0015]
As shown in FIG. 5, the finder is composed of a pair of objective lenses 66A and 66B and an erect prism 68, and these optical members are accommodated in a housing 64 of the finder unit 62. The pair of objective lenses 66A and 66B are slidably supported in the lens barrel 64A of the housing 64 by being guided by guide rods 70 arranged along the optical axis, respectively. On the other hand, the erecting prism 68 is accommodated in a prism accommodating portion 64B of a housing 64, a relay lens 72 is integrally attached to the objective lenses 66A and 66B side, and an eyepiece 74 is provided on the eyepiece side. It is attached integrally. The pair of objective lenses 66A and 66B move in conjunction with zooming of the zoom lens 12 by a cam mechanism (not shown), and change the magnification at the same magnification as the zoom lens 12.
[0016]
As shown in FIGS. 4 and 6, in the finder unit 62, a prism housing portion 64B of a housing 64 is provided so as to protrude below the eyepiece 62A, and the prism housing portion 64B of the housing 64 is configured as shown in FIG. As shown in FIG. 6, the camera body 42 protrudes into the rear opening 44 of the camera body 42. In the finder unit 62, the eyepiece 62 </ b> A is covered by the finder eyepiece 28 formed in the rear cover body 36, and the prism housing part of the housing 64 is arranged to protrude into the rear opening 44 of the camera body 42. 64B is covered by the back cover 38.
[0017]
As described above, when the finder unit 62 is installed on the upper portion of the camera body 42, the portion protruding toward the rear opening 44 of the camera body 42 is covered with the back cover 38, so that a cutout is formed in the back cover 38. It is not necessary to perform the process, and the back pig 38 can be given a sufficient strength. That is, if the entire end face of the finder unit 62 is covered by the rear cover body 36, the upper edge of the back cover 38 must be partially cut out in order to avoid contact with the protruding portion. As in the embodiment, the portion projecting toward the back opening 44 is covered with the back cover 38, so that it is not necessary to form a notch in the back cover 38, and the upper edge of the back cover 38 is straightened. Can be configured.
[0018]
In addition, since it is not necessary to provide the notch in the back cover 38, the upper edge portion of the back cover 38 can be constituted by a straight line, and an excellent appearance can be exhibited.
[0019]
By the way, as shown in FIG. 3, light-shielding grooves 76 and 78 are formed on the peripheral edge of the rear opening 44 of the camera body 42 and the inner surface of the rear cover 38, respectively. The peaks and the valleys of the light-shielding grooves 76 and 78 are fitted. This prevents external light from entering the camera body 42 through the gap between the closed back cover 38.
[0020]
Here, the light-shielding grooves 76 and 78 are formed along the periphery, respectively, and are formed so as to avoid the prism housing portion 64B at a portion where the prism housing portion 64B protrudes. That is, the light-shielding groove 76 formed on the camera body 42 side is formed along the peripheral edge of the back opening 44, and is bent along the outer shape of the prism housing portion 64B at a portion where the prism housing portion 64B protrudes. Is formed. The light-shielding groove 78 formed in the back cover 38 is also formed so as to correspond to this, and is formed by bending along the outer shape of the prism housing portion 64B at a portion where the prism housing portion 64B protrudes. Therefore, when the back cover 38 is closed, the prism housing portion 64B is covered with the back cover 38 in a state of being arranged outside the light shielding grooves 76 and 78. Accordingly, it is possible to prevent external light from being incident from the prism housing portion 64B of the finder unit 62 that is arranged to protrude into the rear opening 44 of the camera body 42, and to prevent exposure of the film due to external light.
[0021]
As described above, according to the camera 10 of the present embodiment, by covering the prism housing portion 64B of the finder unit 62 protruding into the rear opening 44 of the camera body 42 with the back cover 38, It is not necessary to form a notch in the hole, sufficient strength can be ensured, and an excellent appearance can be exhibited.
[0022]
In this embodiment, the present invention has been described as an example in which the present invention is applied to a camera using a 35 mm film. However, the present invention can be applied to a camera using a brownie film.
[0023]
【The invention's effect】
As described above, according to the present invention, it is not necessary to cut out the rear pig by covering the prism housing formed so as to protrude below the eyepiece with the rear pig, thereby securing the strength of the rear pig. And an excellent appearance can be exhibited.
[Brief description of the drawings]
FIG. 1 is a front perspective view of a camera. FIG. 2 is a rear perspective view of a camera. FIG. 3 is a rear perspective view of a camera with a back cover opened. FIG. 4 is a perspective view showing an upper configuration of a camera body. FIG. 6 is a perspective view showing the configuration of the viewfinder. FIG. 6 is an enlarged cross-sectional view of the camera.
DESCRIPTION OF SYMBOLS 10 ... Camera, 12 ... Zoom lens, 14 ... AF window, 16 ... Metering window, 18 ... Viewfinder window, 20 ... Strobe, 22 ... Shutter button, 24 ... Power button, 26 ... Liquid crystal panel, 28 ... Viewfinder eyepiece, 30 zoom lever, 32 front cover, 34 rear cover, 36 rear cover body, 38 rear cover, 40 hinge, 42 camera body, 44 rear opening, 46 aperture for photographing, 48 patrone room, Reference numeral 50: film winding chamber, 52: outer rail, 54: spool, 58: pressure plate, 60: inner rail, 62: finder unit, 62A: eyepiece of the finder unit, 64: housing, 64A: lens barrel of the housing , 64B ... Prism accommodating part of housing, 66A, 66B ... Objective lens, 68 ... Erect prism, 70 ... Guide rod 72 ... relay lens 74 ... eyepiece, 76, 78 ... light shielding groove

Claims (2)

In a camera in which a patrone chamber and a film winding chamber are formed with a shooting aperture sandwiched in a rear opening of a camera body opened and closed by a back pig,
A part of the housing of the prism formed below the eyepiece of the finder unit is arranged to protrude into the rear opening of the camera body, and a part of the protruding housing of the prism is covered with the back cover. A camera characterized by the following. A light-shielding groove is formed along the peripheral edge on the inner surface of the back cover, and a light-shielding groove that fits into the light-shielding groove is formed along the peripheral edge at the rear opening of the camera body. 2. The camera according to claim 1, wherein the camera is formed so as to avoid a housing of the prism which is arranged to protrude into a rear opening of the camera body.

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