JPH0829843A - Scratch preventing structure of metallic sliding part of camera - Google Patents

Abstract

PURPOSE:To prevent the scratch of a sliding member and a camera main body case by sticking a resin made film to the sliding surface of the sliding member or the sliding range of a sliding member formed on the camera main body side to smoothly slide the sliding member. CONSTITUTION:A lens barrier 12 is freely movably supported with a barrier receiving member 28 on the front surface of a front cover 10. And the film 60 made of a synthetic resin such as polypropylene, polyethylene member 28 on the front cover 10 and the lens barrier 12 is smoothly slid and moved with the synthetic resin made film 60. Then, the scratch of the front cover 10 due to the slide of the lens barrier 12 is prevented even if the lens barrier 12 is slid and moved.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for preventing scratches on a metal sliding portion of a camera, and more particularly to a sliding member (for example, a lens barrier for covering a taking lens, on a surface of a camera body case formed of metal). The present invention relates to a structure for preventing scratches on a metal sliding portion of a camera in which a flash charging switch, a shooting size switching switch, a main switch, a back cover opening / closing knob, etc.) are slidably provided.

[0002]

2. Description of the Related Art Recently, it has been required to form a camera body case from metal in order to give the camera a profound and luxurious feeling. As a result, the wall thickness of the camera body case can be made thinner than that of a plastic case, which has the advantage of leading to downsizing of the camera.

[0003]

However, when the camera body case is made of metal, a sliding member slidably provided on the surface of the camera body case, for example, a lens barrier for covering the taking lens, a strobe charging switch. When a sliding member such as a shooting size selection switch, a main switch, a back cover opening / closing knob is slid on the camera body case, the sliding area of the sliding member on the camera body case side is damaged. is there.

Such a problem cannot be solved even if the sliding member is made of metal or plastic. The present invention has been made in view of such circumstances, and an object of the present invention is to provide a scratch prevention structure for a metal sliding portion of a camera capable of preventing scratches caused by sliding of a sliding member.

[0005]

In order to achieve the above object, the present invention is a camera in which a sliding member is slidably provided on the surface of a camera body case made of metal, the sliding member The resin film is adhered to the sliding surface or the sliding area of the sliding member formed on the camera body case side.

[0006]

According to the first aspect of the present invention, the resin film is attached to the sliding surface of the sliding member or the sliding area of the sliding member formed on the metal camera body case side. This allows
Since the sliding member smoothly slides on the camera body case by the resin film, the sliding member and the camera body case are not scratched by the sliding of the sliding member.

According to a second aspect of the present invention, a lubricant is coated instead of the resin film.
As a result, the sliding member slides smoothly with the lubricant, so that the sliding member and the camera body case are not scratched by the sliding of the sliding member.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A preferred embodiment of a structure for preventing scratches on a metal sliding portion of a camera according to the present invention will be described in detail below with reference to the accompanying drawings. FIG. 1 is an assembly perspective view showing an embodiment of a camera with a lens barrier to which a scratch prevention structure for a metal sliding portion of a camera according to the present invention is applied. As shown in the figure, the camera with a lens barrier has a front cover 10, a lens barrier 12, an inner frame 14 and the like that form a main body case of the camera.

The front cover 10 is formed of a metal such as aluminum or titanium in a substantially rectangular shape, and a lens barrier 12 is supported on the front surface of the front cover 10 so as to be slidable in an opening direction and a closing direction as indicated by arrows in the figure. To be done. Also, front cover 1
The inner frame 14 made of plastic is fixed to the rear surface of 0. The front cover 10 and the inner frame 14 are respectively formed on the front surface thereof with openings 16 and 18 for taking lenses, openings 20 and 22 for stroboscopic light emitting units, and openings 24 and 26 for viewfinders, respectively. .

Like the front cover 10, the lens barrier 12 is formed of a metal such as aluminum or titanium in a thin plate shape, and has a size that covers the photographing lens opening 16 of the front cover 10 when closed, and The opening 1 when opened
It is formed in a size that does not overlap 6. A plastic barrier receiving member 28 is fixed to the side surface (back surface) of the front cover 10 of the lens barrier 12.

A pair of guide pins 30, 30, 32, and 32 are planted toward the front cover 10 above and below the barrier receiving member 28, respectively. In addition, the barrier receiving member 28
A synthetic resin film 60 made of polypropylene, polyethylene, or Teflon is attached to the contact surface (sliding surface) 28A with the front cover 10 of the synthetic resin film 6.
With 0, the sliding movement of the lens barrier 12 is performed smoothly.

The guide pins 30 and 32 are provided with guide grooves 38 and 40 of the inner frame 14 through groove-shaped through holes 34 and 36 formed in the front surface of the front cover 10 along the sliding movement direction of the lens barrier 12. Is slidably engaged with.
Further, the guide pin 30 engaged with the guide groove 38,
Stoppers 42 and 42 are fixed to the inner frame 14 from inside the inner frame 14, and the stoppers 42 and 42 prevent the lens barrier 12 from coming off the guide groove 38. A pressure plate 44 is fixed to the guide pins 32, 32 engaged with the guide groove 40 from the inner side of the inner frame 14, and the urging force of the pressure plate 44 causes the front cover 10 of the lens barrier 12 to be pressed.
It is prevented from floating.

The pressure plate 44 includes the guide groove 4 of the inner frame 14.
Pins 48 and 50 engaged with 0 and 46 are slidable in association with the lens barrier 12. Further, the engagement piece 52 is provided on the upper end of the pressure plate 44 with the inner frame 14
Is formed so as to project toward. The engagement piece 52 is inserted into the groove 54 formed in the inner frame 14, and the lens barrier 1
The lens barrier 12 can be held in the closed position by moving in the groove 54 with the sliding movement of 2 and engaging the claw 56 formed at the right end of the groove 54, and is formed at the left end of the groove 54. The so-called click mechanism is capable of holding the lens barrier at the open position by engaging with the claw 58.

According to the camera with a lens barrier of the present embodiment constructed as above, when the lens barrier 12 is slid with respect to the front cover 12, the lens barrier 12 is moved.
Is smoothly slid by the synthetic resin film 60 attached to the barrier receiving member 28. As a result, in this embodiment, the front surface of the front cover 10 is not scratched by the sliding movement of the lens barrier 12.

In this embodiment, the example in which the synthetic resin film 60 is attached to the barrier receiving member 28 side has been described, but the synthetic resin film 60 may be attached to the front cover 10 side. When the lens barrier 12 is directly slid with respect to the front cover 10 without using the barrier receiving member 28, the synthetic resin film 60 may be attached to the sliding surface of the lens barrier 12.

Further, in this embodiment, the synthetic resin film 60 is attached, but the invention is not limited to this, and a natural resin film may be attached instead of the synthetic resin film 60, Resin coating (for example, Teflon coating) may be performed. Further, in the present embodiment, the example of the lens barrier was described as the sliding member, but the present invention is not limited to this, and can be applied to a camera body case such as a strobe charging switch, a shooting size switching switch, a main switch, a back lid opening / closing knob, and the like. It can be applied to the sliding surface of a member that slides against.

[0017]

As described above, according to the scratch prevention structure of the metal sliding portion of the camera of the present invention, the sliding surface of the sliding member or the sliding formed on the metallic camera body case side. A resin film is attached to the sliding area of the member so that the sliding member slides smoothly with respect to the camera body case. Does not get scratched. The same effect can be achieved by coating a lubricant instead of the resin film.

[Brief description of drawings]

FIG. 1 is an assembled perspective view showing an embodiment of a camera with a lens barrier to which a scratch prevention structure for a metal sliding portion of a camera according to the present invention is applied.

[Explanation of symbols]

 10 ... Front cover 12 ... Lens barrier 14 ... Inner frame 28 ... Barrier receiving member 60 ... Synthetic resin film

Claims (2)

[Claims] 1. A camera having a sliding member slidably provided on the surface of a metal camera body case, wherein the sliding surface is formed on the sliding surface of the sliding member or on the camera body case side. A structure for preventing scratches on a metal sliding portion of a camera, in which a resin film is attached to a sliding area of a moving member. 2. A camera in which a sliding member is slidably provided on a surface of a metal camera body case, wherein the sliding surface is formed on the sliding surface of the sliding member or on the camera body case side. A structure for preventing scratches on a metal sliding part of a camera, characterized in that a sliding area of a moving member is coated with a lubricant.