JPH0432854Y2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial Field of Application) The present invention relates to a rotatable and lockable mounting shoe, and more particularly to a shoe for mounting, for example, a video camera body and a viewfinder.

(Prior Art) Recently, with the spread of video tape recorders, small and lightweight video cameras that can be easily used in ordinary homes have been on sale. 6th
As shown in the figure, the video camera 1 includes a photographic lens system 2, a camera body 3, and a viewfinder 4.
The viewfinder 4 is an electronic viewfinder equipped with a small cathode ray tube and is capable of monitoring the photographed screen.

Further, in order to facilitate the monitoring during photographing, the eyepiece section 5 of the view finder 4 is usually configured to protrude to the rear of the camera body 3, as shown in FIG. 6A. However, when carrying this video camera or storing it in a storage case or the like, the protruding eyepiece portion 5 of the viewfinder 4 gets in the way and impairs its compactness.

For this reason, conventionally, a rotation mechanism (not shown) is provided between the camera body 3 and the viewfinder 4, and when carrying or storing the viewfinder 4, the viewfinder 4 is moved to the position at the time of shooting, as shown in FIG. 6B. from
By rotating the camera body 3 by 180 degrees, the protruding eyepiece 5 at the rear of the camera body 3 is moved to the front of the camera body 3, thereby achieving compactness.

Further, the electronic viewfinder 4 uses a small cathode ray tube (not shown) and has a complicated internal structure, so it is necessary to facilitate manufacturing and maintenance. For this reason, this view finder 4 is configured independently of the camera body 3,
The camera body 3 is attached to the camera body by a detachable mounting shoe.
Conventionally, a mounting shoe consisting of a well-known rectangular shoe seat 6 and shoe receiving seat 7 as shown in FIG. 7 has been used.

(Problems to be Solved by the Invention) In other words, in the conventional view finder, the rotation mechanism with respect to the camera body 3 and the mounting shoe consisting of the square shoe seat 6 and shoe catch 7 are each configured independently. Therefore, there were problems in that the overall size of the view finder increased, the weight increased, and the number of parts increased, resulting in higher costs.

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a mounting shoe that enables rotation and locking of, for example, a video camera body and a viewfinder.

(Means for solving the problems) In order to achieve the above object, the present invention
1, and a circular support 1 protruding from approximately the center of this bottom plate.
2, and a protrusion 13 formed on the outer periphery of the upper surface of the bottom plate.
It has a shoe seat 10 consisting of a shoe seat 10, and an opening edge 21 into which the circular support is inserted, into which the bottom plate is inserted and grips the bottom plate from both sides, and both shoulders 13a and 13b of the protrusion are in contact with the bottom plate. A gripping plate 22 has a pair of gripping parts 22a and 22b that are brought into contact with each other, and has an engaging part 26 on the back surface with which a protrusion of the bottom plate of the rotated shoe seat engages; A rotatable and lockable mounting shoe is provided which includes a shoe receiving seat 20 and an elastic push-up member 23 which is disposed below and presses the bottom plate of the shoe seat upward.

(Example) In this example, the present invention is applied to a shoe for attaching a video camera body and a viewfinder.

As shown in FIG.
1 (for example, a circular bottom plate) and a circular support 12 (hereinafter referred to as the support), the support 12 protrudes from approximately the center of the bottom plate 11, and both form approximately concentric circles. . Further, on the upper surface of one side of the bottom plate 11 from which the support column 12 is protruded, a desired shape (for example,
The protrusion 13 is formed with edge-shaped shoulders 13a and 13b. Further, above the support column 12 of the shoe seat 10, an object to be connected, for example, a viewfinder 4 of a video camera 1 shown in FIG. 6 is attached. In addition, this Shuza 10
The viewfinder 4 and the viewfinder 4 may be integrally formed in advance, or may be attached to each other.

On the other hand, the shoe seat 20 into which the shoe seat 10 is inserted has, as shown in FIG. This gripping plate 22 has a pair of gripping parts 22a and 22b that grip the bottom plate 11 from both sides when the bottom plate 11 of the shoe seat 10 is inserted into the gripping plate 22. is formed. Furthermore, an elastic push-up member that presses the bottom plate 11 fitted into the shoe seat 20 upward;
For example, a leaf spring 23 is disposed below the gripping plate 22. Further, this shoe seat 20 is a viewfinder 4 to which the shoe seat 10 is attached.
(See FIG. 6). Note that the leaf spring 23 is attached between the camera body 3 and the gripping plate 22.

The operation of the mounting shoe of this embodiment constructed as described above will be described below.

As shown in FIG.
It is inserted through the mounting port 24 of the. That is, the bottom plate 11 of the shoe seat 10 is fitted between the grip plate 22 and the leaf spring 23 while being pressed upward by the leaf spring 23, and the support column 12 of the shoe seat 10 is inserted between the grip plate 22 and the leaf spring 23. It is inserted into the arc-shaped opening edge 21. Further, the protruding part 13 of the shoe seat 10 is located in the opening 25 between the pair of gripping parts 22a and 22b of the gripping plate 22, and the shoulder parts 13a and 13b of the protruding part 13 are located in the opening 25 between the pair of gripping parts 22a and 22b, respectively. The shoe seat 10 is prevented from rotating. As a result, as shown in FIG. 3A, the shoe seat 10 is attached to the shoe seat 20 in a locked state, that is, the viewfinder 4 and the camera body 3 are
It will be installed as shown in Figure 6A. Note that FIGS. 3A and 3B are front views seen from the X direction in FIG. 2.

On the other hand, as shown in FIG. 3B, the locked shoe seat 10 is pushed down against the pressure of the leaf spring 23, and the shoulder 13a (or 13b) of the protrusion 13 of the shoe seat 10 is pushed down on the shoe seat 20. Gripping part 22a
(or 22b) to release the lock and rotate the shoe seat 10 around the axis Y of the support 12. As a result, Shaw 1
0 is attached to the shoe seat 20, and the shoe seat 1
0 can be rotated, that is, the view finder 4 can be rotated while being attached to the camera body 3.

Further, shoulder portions 13a and 13b of the protrusion 13
If the shoulders 13a and 13b are formed into an edge shape (see the dotted circle in FIG. 3A), the mounting shoe will have a locking function as described above. By forming it in an inclined or arcuate shape as shown, it becomes a mounting shoe with a click function. That is, the shoe seat 10 is attached to the shoe seat 20, the protrusion 13 of the shoe seat 10 is located in the opening 25 of the shoe seat 20, and the shoulders 13a and 1 of the protrusion 13
3b are the gripping parts 22a and 2 of the gripping plate 22, respectively.
When it is in contact with the lower part of the inner surface of 2b, the shoe seat 10
When the shoe seat 10 is simply rotated around the axis Y without pushing down, the protrusion 13 of the shoe seat 10
The shoulder portion 13a or 13b of the gripping portion 22a or 22b of the gripping plate 22 simply contacts the inner surface of the gripping portion 22a or 22b without being prevented from rotating.
Climb under the grip part 22a or 22b while touching the lower part of the inner surface of the grip part 22a or 22b. That is, the shoe seat 10 can be rotated with a click feeling.

Next, a shoe seat in which an engaging portion and a step surface portion are formed in the above-described embodiment will be described with reference to FIGS. 4 and 5.

A to A in FIG.
As shown in D, especially B and C, an engaging portion 26 is formed with which the protrusion 13 of the shoe seat 10 engages. The engaging portion 26 may be a substantially fan-shaped stepped surface portion formed on the back side of the gripping plate 22 as shown in the figure, or a hollow portion formed in the gripping plate 22. As described above, when the shoe seat 10 is attached to the shoe seat 20 in a locked state, that is, when the protrusion 13 of the shoe seat 10 shown in FIG. 2 and FIG. When the shoe seat 10 is rotated 180 degrees from the state where it is located at the part 25, the protrusion 13 of the shoe seat 10 engages with the engaging part 26, and the shoe seat 10 is returned to the locked state. It is attached to the seat 20, and is thus rotated and placed (locked) on the viewfinder 4 and camera body 3 as shown in FIG. 6B. Note that depending on the formation position of the engaging portion 26, it is also possible to lock the shoe seat 10, that is, the viewfinder 4 in a desired position.

In addition, on the back side of the grip plate 22 of the shoe catch 20,
As shown in FIGS. 5B and 5C, when a pair of arcuate step surfaces 27 and 27' are formed, the shoe seat 1
0 is attached to the shoe seat 20, the bottom plate 11 of the shoe seat 10 is pushed up by the pressure of the leaf spring 23, and a portion of this bottom plate 11 is warmly fitted into the stepped surface portions 27 and 27' (the fourth (See Figure B), as a result, the shoe seat 10 is prevented from coming out in the opposite direction of insertion.

In the shoe seat 20 of the above embodiment, a step is formed between the back surface of the grip plate 22 and the stepped surface portions 27 and 27', and a step is formed between the stepped surface portions 27 and 27' and the engaging portion 26. (See Figure 4B). For this reason, the gripping plate 22 tends to become hot,
For this purpose, as shown in FIG. 5B, the gripping plate 2
Stepped surface portions 27 and 27' that are sloped on the back surface of 2.
By forming the gripping plate 22, it is possible to obtain the above-mentioned effects without increasing the thickness of the gripping plate 22.
However, the shoe seat 10 is also attached to the shoe seat 20 with a similar inclination.

(Effects of the invention) As described above, the present invention comprises a bottom plate, a circular support provided approximately at the center of the bottom plate, a shoe seat made of a protrusion formed on the outer periphery of the upper surface of the bottom plate, and It has an opening edge into which the support column is inserted, a pair of gripping parts into which the bottom plate is inserted and grips the bottom plate from both sides, and a pair of gripping parts against which both shoulders of the protrusion are abutted, and which can be rotated. a gripping plate having an engaging portion on its back surface with which a protrusion of the bottom plate of the shoe seat engages; and an elastic push-up member disposed below the gripping plate to press the bottom plate of the shoe seat upward. By providing a mounting shoe that can be rotatably and lockably mounted, for example, by inserting the shoe seat provided on the viewfinder into the shoe seat provided on the camera body, When the two are combined, the viewfinder can of course be locked in place on the camera body, but it can also be rotated when not in use or when stored in a case. The viewfinder has the advantage of being able to be placed in a position where it does not get in the way.Furthermore, since the present invention has the above-mentioned rotation and locking means in the mounting shoe, it is not necessary to rotate the viewfinder separately as in the past. There is no need to provide a mechanism or a locking mechanism, and the effect can be achieved with an extremely simple configuration.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing an embodiment of the shoe seat and shoe catch according to the present invention, FIG. 2 is a perspective view showing the shoe seat according to the present invention attached to the shoe catch, and FIG. 3 A to D are front views for explaining the respective states as seen from the X direction in FIG. 2, FIG. 4A is a cross-sectional view taken along the - line in FIG.
The cross-sectional view taken along the line V'-V' in the figure, and Figures 5A to 5D, show a shoe catch with an inclined stepped surface.
A cross-sectional view along the V''-V'' line, and C is the bottom view.
Figure D is a front view, Figure 6A is a side view of the video camera showing the position of the viewfinder when in use, Figure 6B is a side view of the video camera when not in use, and Figure 7 is a conventional It is a figure showing a shoe seat and a shoe catch. DESCRIPTION OF SYMBOLS 10... Shoe seat, 11... Bottom plate, 12... Circular support, 13... Protrusion, 20... Shoe catch, 21... Opening edge, 22... Gripping plate, 22a,
22b...Gripping part, 23...Plate spring (elastic push-up member), 25...Opening part, 26...Engaging part, 27,
27'...Step surface portion.

Claims (1)

[Claims for Utility Model Registration] A shoe seat consisting of a bottom plate, a circular support protruding from approximately the center of the bottom plate, and a protrusion formed on the outer periphery of the upper surface of the bottom plate, into which the circular support is inserted. The shoe seat has an opening edge, and has a pair of gripping parts into which the bottom plate is inserted and grips the bottom plate from both sides, and both shoulders of the protrusion are abutted. A shoe catcher comprising: a gripping plate having an engaging portion on the back surface with which a protrusion of the bottom plate engages; and an elastic push-up member disposed below the gripping plate to press the bottom plate of the shoe seat upward. A rotatable and lockable mounting shoe characterized by comprising: