Abstract:
A camera is disclosed, to which a strap can be attached without reducing the space inside the camera body. The camera comprises a first exterior member, which constitutes an object side surface of a camera body. A first area of the first exterior member protrudes with respect to other areas of the first exterior member to constitute a grip portion. An attachment portion to which the strap is attached is provided in the first area.

Description:
FIELD OF THE INVENTION 
   The present invention relates to a camera having a grip portion and a strap-attachment portion. 
   BACKGROUND OF THE INVENTION 
   A photographer can use a film camera, digital camera or video camcorder in his/her hand. Therefore, a camera has been disclosed in Japanese Patent Laid-Open Publication, which has a hand strap for connecting the camera with a photographer&#39;s wrist, a neck strap or shoulder strap for dangling the camera from a photographer&#39;s neck or shoulder so that the camera may not be accidentally dropped on the ground and destroyed by slipping out of his/her hand. 
   The configuration of a conventional camera for attaching the hand strap, neck strap or shoulder strap (hereinafter, they are referred to as a “strap”) is as follows. 
   The description will be given of the configuration of the strap-attachment portion in the conventional camera with reference to  FIGS. 4 and 5 .  FIG. 4  is a rear view of a digital camera having the strap-attachment portion, and  FIG. 5  is a sectional view of the strap-attachment portion shown in  FIG. 4 . 
   In  FIG. 4 , reference numeral  41  denotes a strap-attachment portion having a through hole. A strap is attached to the camera by lacing the string of the strap through the hole of the strap-attachment portion  41 . 
   Reference numeral  42  denotes a liquid crystal display. The photographer can take images while watching an object image displayed on the liquid crystal display  42 . Further, since the liquid crystal display  42  displays taken images stored in a recording medium, not shown in the figure, the photographer can check the taken images. 
   Reference numeral  43  denotes a plurality of operation members. It is possible to set a flash mode, a drive mode, an image size and an AF mode or enlarge the taken images displayed on the liquid crystal display  42  by operating these operation members  43 . 
   Reference numeral  44  denotes a cover member, which covers a recording-medium slot into which the recording medium is detachably installed. The cover member  44  is swingablly attached to the camera body. 
   In the conventional camera, it was required to form the through hole-like opening in the camera body for providing the strap attachment portion on the camera body as shown in  FIG. 5 . Accordingly, the strap attachment portion requires a large space inside the camera body. 
   Furthermore, a camera has been disclosed, in which a strap-attachment portion having a convex shape is provided on an exterior member made of a resin, as shown in  FIG. 6 . 
   However, to provide the strap-attachment portion having the through hole on the exterior member of the camera as shown in  FIG. 5 , it is necessary to increase the thickness of that portion of the exterior member. Therefore, the part of the exterior member, which corresponds to the strap-attachment portion, protrudes inside the camera body greater than other parts, thereby reducing the space inside the camera body. As a result, it becomes necessary to form a built-in electric circuit board having a shape for preventing the interference to the exterior member, thereby impeding the miniaturization of the camera and reducing the design freedom of interior parts of the camera. 
   In addition, as for the camera shown in  FIG. 6 , with consideration of drop of the camera and pull of the strap, it is necessary to form the strap-attachment portion  61  as an individual member made of die-casting zinc or aluminum, which is different from the exterior member. Therefore, the attachment structure for fixing the strap-attachment portion to the camera body becomes complex, thereby increasing the cost. 
   BRIEF SUMMARY OF THE INVENTION 
   An object of the present invention is to provide a camera to which a strap can be attached without reducing the space inside the camera body. 
   According to an aspect, the present invention provides a camera comprising a first exterior member, which constitutes an object side surface of a camera body, a first area of the first exterior member protruding with respect to other areas of the first exterior member to constitute a grip portion. An attachment portion to which a strap is attached is provided in the first area. 
   Other objects and features of the present invention will become readily apparent from the following description of the preferred embodiments with reference to accompanying drawings. 

   
     BRIEF DESCRIPTION OF THE DRAWINGS 
       FIG. 1  is a perspective view of a camera which is an embodiment of the present invention. 
       FIG. 2  is a front view of the camera of the embodiment. 
       FIG. 3  is a sectional view of a strap-attachment portion in the embodiment. 
       FIG. 4  is a rear view of a conventional camera. 
       FIG. 5  is a sectional view of a strap-attachment portion of the conventional camera. 
       FIG. 6  is a perspective view of the conventional camera. 
   

   DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS 
   Preferred embodiments of the present invention will hereinafter be described with reference to the drawings. 
     FIGS. 1 to 3  shows a digital camera which is an embodiment of the present invention.  FIG. 1  is a perspective view of the digital camera,  FIG. 2  is a front view of the digital camera, and  FIG. 3  is a sectional view of a strap-attachment portion in the embodiment. 
   In  FIG. 1 , reference numeral  10  denotes a strap that is attached to the after-mentioned strap-opening portion  11   c . Putting a photographer&#39;s wrist through the strap  10  prevents the camera from dropping on the ground. 
   Reference numeral  11  denotes a first front exterior member (first exterior member) constituting the exterior of the camera. On the backside of the first front exterior member  11 , an engaging protrusion  11   a  having a hook-like shape is formed. The engaging protrusion  11   a  engages with the back surface of a second front exterior member (second exterior member)  12 . 
   The first front exterior member  11  is fixed to the second front exterior member  12  by the engagement of the engaging protrusion  11   a  with the second front exterior member  12 , thereby constituting the front exterior of the camera. According to the above-described configuration, a screw clamp is not required for coupling the first and second front exterior members  11  and  12 , and a structure resistant to pull of the strap  10  is achieved. 
   The first and second front exterior members  11  and  12  are made of metal and resin, respectively. The mechanical strength of the first front exterior member  11  is larger than that of the second front exterior member  12 . 
   On the left side of the first front exterior member  11  when viewed from the front, a protruding portion (first area)  11   b  protruding to the object side is formed. The photographer can put his/her finger on the protruding portion  11   b  when gripping the camera, thereby increasing the grip performance. 
   Further, a strap-opening  11   c  through which the strap  10  is put is formed on the protruding portion  11   b . The strap-opening  11   c  is provided inside from the outer surface of the camera body when vied from the optical axis direction as shown in  FIG. 2 . Since the strap-opening  11   c  does not protrude outside the camera body in the present embodiment, it is possible to remove an excrescent protrusion that the conventional camera has. 
   Reference numeral  13  denotes a lens barrel, which moves between a house position where the lens barrel  13  is housed in the camera body and not used for image-taking, and an image-taking position where the lens barrel  13  protrudes from the front surface of the camera body. Light entering from the lens barrel  13  forms an image on the light-receiving surface of an image-pickup device such as a CCD sensor or a CMOS sensor (not shown in the figure), and photoelectrically converted into an image signal. The image signal is output from the image-pickup device, and recorded to a recording medium (not shown in the figure). 
   Reference numeral  14  denotes a flash unit, which is built on the second front exterior member  12 , the flash unit irradiating flashlight to the object at the time of image-taking. Reference numeral  15  denotes an optical viewfinder provided in the left of the flash unit  14 , the optical viewfinder being used for observing the object by the photographer. 
   Reference numeral  16  denotes a release button. An image-taking preparation operation such as a photometry operation and a focus detection operation is started according to a first stroke operation of the release button  16 . An image-taking operation such as an exposure operation of the image-pickup device and a recording operation in which the output from the image-pickup device is recorded to the recording medium is started according to a second stroke operation of the release button  16 . 
   Next, the detailed description will be given of the strap-opening  11   c  with reference to  FIGS. 2 and 3 . The strap-opening  11   c  is formed in the left portion of the first front exterior member  11  when viewed from the front, and has an L-shaped cross section when viewed from the top as shown in  FIG. 3 . The second front exterior member  12  is attached to the back surface (surface facing inward) of the first front exterior member  11 . 
   As described above, in the present embodiment, since the strap-opening  11   c  is provided on the outside of the second front exterior member  12 , it is not necessary to consider the interference of the strap-opening  11   c  to the electric circuit board  17  provided in the camera body. As a result, the design freedom is increased, thereby making it possible to miniaturizing the camera. 
   Furthermore, since the strap-opening  11   c  is provided on the protruding portion  11   b , which functions as the grip portion, of the first front exterior member  11  constituting the front exterior of the camera, it is possible to provide two functions to the first front exterior member  11  as one member. 
   In addition, the strap-opening  11   c  is formed inside the outer surface  111   b  of the protruding portion  11   b  as shown in  FIG. 3 , it is possible to remove an excrescent protrusion which the conventional camera has. 
   An attachment portion for the strap  10  may be provided by forming a convex portion having a strap-opening on the left end of the first front exterior member  11  when viewed from the front. 
   As described above, according to the present invention, it is possible to provide two functions of being a grip portion and a strap-attachment portion to the first front exterior member  11 . Further, since the strap-attachment portion is provided on the first front exterior member  11 , it is not necessary to consider the interference of the strap-attachment portion to parts provided inside the camera. Therefore, the design freedom is increased, thereby making it possible to miniaturizing the camera. 
   This application claims foreign priority benefits based on Japanese Patent Application No. 2004-221117, filed on Jul. 29, 2004, which is hereby incorporated by reference herein in its entirety as if fully set forth herein.