JPH05896Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Field of Application] This invention relates to a viewfinder support device for attaching an electronic viewfinder to a video camera body.

[Background technology and its problems]

In recent years, video cameras have become smaller and lighter, and are configured in a handheld format for handheld shooting. By modifying the camera, it can also be used as a shoulder-mounted video camera.

Figure 1 shows the video camera body, flipped upside down.
FIG. 2 is an exploded perspective view showing an EVF and a conventional viewfinder support device; 1 is a video camera body (hereinafter simply referred to as the body); a shoe 2 whose cross-sectional view is shown in FIG. 2 is provided on the top surface; A leaf spring 3 is attached.

4 is the EVF, which houses a cathode ray tube inside.
An eyepiece 5 having a magnifying glass is attached so as to be rotatable in the direction of the arrow, and a foot 6 that fits into the shoe 2 of the main body 1 is provided on the lower surface.

Reference numeral 11 denotes a viewfinder support device, which includes a support arm 12, a foot portion 13 that fits into the shoe 2 of the main body 1 provided on the bottom surface of one end of the support arm 12, and a foot of the EVF 4 provided on the top surface of the other end of the support arm 12. 6 is fitted into the shoe part 14, the cross-sectional view of which is shown in FIG. A leaf spring 15 is installed in the shoe portion 14. In addition, main body 1
The cable connecting the EVF4 and EVF4 is not shown.

When the EVF 4 configured as described above is turned upside down and the foot 6 is pressed and inserted into the specified position of the shoe 2 of the main body 1, and the foot 6 is fixed and held in the shoe 2 by the biasing force of the leaf spring 3, the video The camera is now in the state shown in Figure 4, where it can be used as a handheld device.

Similarly, the foot portion 13 of the viewfinder support device 11 is pressed into the shoe 2 of the main body 1, and the foot 6 of the EVF 4 is pressed and inserted into the shoe portion 14 of the viewfinder support device 11 to a predetermined position. Shu part 1 with springs 3 and 15
4. When fixed and held in the shoe 2, the video camera becomes in the state shown in Fig. 5, which allows it to be used as a shoulder-rest type.

When the main body 1 and the EVF 4 are connected using the viewfinder support device 11 as described above, the EVF4 and the viewfinder support device 11 are connected as shown in FIG.
protrudes from the side of the main body 1, which is convenient when taking pictures with the video camera on the shoulder.

However, if the main body 1 falls, the protruding view finder support device 11 or shoe 2 may be damaged. In addition, if the shoe 2 and the viewfinder support device 11 are made strong enough to prevent damage when the main body 1 falls, the viewfinder support device 11 is made of metal and is strong, resulting in a problem of being heavy and expensive.

[Purpose of invention]

This idea was created in view of the above-mentioned problems, and was made to be lightweight and inexpensive to manufacture, and to prevent damage even if the main unit falls over when attached to the main body to create a shoulder-mounted video camera. A viewfinder support device is provided.

[Summary of the idea]

In order to achieve the above-mentioned purpose, this invention connects the foot part provided at one end of the support arm so as to be rotatable, and the other end of the support arm is provided with a foot part provided at one end of the support arm in a direction perpendicular to the longitudinal direction of the support arm. A rotating shoe portion is provided, and a support piece of a predetermined length is provided at the center of the support arm. When the EVF with the foot held in the shoe is placed in the operating position,
A stopper against which the support arm abuts is provided on the foot. The present invention has the above-mentioned configuration.
The viewfinder support device is lightweight and inexpensive, and the support piece in particular allows the viewfinder to be held stably.
The use conditions of the view finder can be diversified.

〔Example〕

Figures 6a and 6b are a front view and a partially cutaway plan view of a view finder support device showing an embodiment of this invention.

In this figure, reference numeral 21 denotes a viewfinder support device, which is composed of a support arm 22, a foot portion 30, and a shoe portion 35.

The support arm 22 constituting the viewfinder support device 21 is constructed by combining two divided pieces 23A and 23B, and has a support piece 24 of a predetermined length orthogonal to the axis of the support arm 22 in the center, and a hole 25 in one end.
A, 25B are provided at the other end with a hole 26, a boss 27, and recesses 28, 29 extending around the inner periphery.

Further, the foot portion 30 is provided with a foot 31 that fits into the shoe 2 of the main body 1 shown in FIG. 1, a through hole 32, and a stopper 33 against which the support arm 22 comes into contact. Then, the foot portion 30 is mounted so that the axial direction of the foot 31 and the axial direction of the support arm 22 are perpendicular to each other.
The support arm 22 has a through hole 32, holes 25A, 2
5B is rotatably supported using screws 34A and 34B. At this time, the foot portion 30 and the support arm 2
A felt or the like is interposed between the two, and the friction force allows the two to be locked at any position.
Furthermore, as shown in the cross-sectional view in FIG. 7, the shoe portion 35 is provided with shoes 36A and 36B above and below, into which the foot 6 of the EVF 4 shown in FIG. 1 fits, and leaf springs 37A and 37B are attached. There is. Furthermore, a convex portion 39 that fits into the concave portion 28 of the support arm 22 and a concave portion 40 that faces the concave portion 29 are provided on the outer periphery of the shaft 38 perpendicular to the axial direction of the shoes 36A, 36B. When the screws 42 inserted into the holes 26 with the ring 41 inserted are screwed into the boss 27, the shoe portion 35
is rotatably supported by the support arm 22. At this time, the shoe portion 35 can be locked in any position by the frictional force of the O-ring 41, and the shoe portion 35 can be rotated 360 degrees.

As described above, the viewfinder support device 21 of this invention is configured so that the support arm 22 and the foot portion 30 can rotate.
, press and insert the foot 6 of the EVF 4 into the shoe 36A of the shoe part 35, fix and hold the foot 31, 6 to the shoe 2, 36A with the leaf springs 3, 37A, and place it on the shoulder as shown by the solid line in Fig. 8. In the case of a type video camera, the support arm 22 rotates around the screws 34A and 34B even if the video camera falls over.
Therefore, unnecessary force can be prevented from being applied to the shoe 2 and the viewfinder support device 21. Therefore, even if the viewfinder support device 21 is made of synthetic resin, it can be prevented from being damaged, so it is lightweight and
Moreover, it can be manufactured at low cost. And support arm 2
2 is rotated 90 degrees counterclockwise from the state shown by the solid line in FIG. By attaching the part, the video camera becomes easier to carry.

In addition, the support arm 22 and the shoes 36A, 36
Since the shoe part 35 with B provided on both sides is configured to be rotatable, the EVF 4 can be attached using the viewfinder support device 21 as shown in FIG. You can also set the EVF to your convenience.

Furthermore, when the support arm 22 is rotated as shown by the two-dot chain line in FIG. 8 and the main body 1 is placed horizontally, the 10th
As shown in the figure, the support arm 22 is supported by the support piece 24, so the EVF 4 can be used as a monitor by opening the eyepiece 5 and exposing the built-in cathode ray tube 7.

Furthermore, if the video camera is mounted on the shoulder using the viewfinder support device 21 and used handheld by rotating the shoe section 35, it is possible to change the angle setting during shooting.

FIG. 11 is a partial view of the foot section showing another embodiment of this invention, and the same reference numerals as in FIG. 6 indicate the same parts.

In this figure, 33A is the stopper 33 and
This is a stopper installed on the opposite side 180 degrees.

When the stoppers 33 and 33A are provided as shown in FIG. 11, when the support arm 22 is rotated about the screws 34A and 34B, it can come into contact with and be locked to one of the stoppers 33 and 33A.
The EVF 4 can be set on the right or left side of the main body 1 without replacing the foot part 30 in the shoe 2 of the main body 1. In this case, the support piece 24 may also be provided on the opposite side.

In the above embodiment, the support arm 22 and the foot part 30 are held in a predetermined position by the frictional force of felt, etc., but they may also be held by a click mechanism, or simply locked by the stoppers 33, 33A. , the support piece 24 may be held in contact with the side surface of the main body 1. Further, the locking means for the support arm 22 and the shoe portion 35 may also be configured to be held in a predetermined position by a click mechanism or the like.

[Effect of idea]

As explained above, the viewfinder support device of this invention includes a foot portion rotatably connected to one end of the support arm, and a shoe portion rotatably provided at the other end of the support arm in a direction perpendicular to the longitudinal direction thereof. and a stopper which has a support piece of a predetermined length protruding from the center of the support arm, and which the support arm abuts and locks when the foot is fixed to a part of the shoe part and the held EVF is in the use position. Since the structure is such that the EVF is installed in the foot part, even if the main body falls with the EVF attached, the support arm will rotate relative to the foot part, and even if the viewfinder support device is made of synthetic resin, etc. , will not be damaged. In addition, the support piece provided at the center of the support arm allows the viewfinder support device to be stably supported on the side of the main body at the shooting position, and this support piece also supports the viewfinder support device when it is placed horizontally on the main body. This has the advantage that the view indexer can be used as a monitor or the like.

[Brief explanation of the drawing]

Fig. 1 is an exploded perspective view showing the video camera body, an electronic viewfinder upside down, and a conventional viewfinder support device, Fig. 2 is an enlarged sectional view of the shoe, and Fig. 3 is an enlarged sectional view of the shoe part. 4 and 5 are views showing a video camera, FIGS. 6a and 6b are a front view and a partially cutaway plan view showing an embodiment of this invention, and FIG. 7 is a sectional view of the shoe part. 8, 9, and 10 are views showing a video camera, and FIG. 11 is a partial view of a foot portion showing another embodiment of this invention. In the figure, 1 is the video camera body, 2 is the camera, 4
is an electronic viewfinder, 6 is a foot, 21 is a viewfinder support device, 22 is a support arm,
24 is a support piece, 30 is a foot portion, 31 is a foot,
33, 33A are stoppers, 34A, 34B, 42
35 is a shoe portion, 36A and 36B are shoes, 38 is a shaft, and 41 is an O-ring.

Claims (1)

[Claims for Utility Model Registration] One end of the support arm is provided with a foot portion that is fixed and held by a shoe provided on the top surface of the video camera body, and the other end of the support arm is provided with a foot provided on an electronic viewfinder, In a viewfinder support device provided with a shoe section for holding, the support arm and the foot section are rotatably coupled, and the shoe section is coupled rotatably in a direction perpendicular to the longitudinal direction of the support arm. Further, a support piece of a predetermined length is provided near the center of the support arm to abut against a side surface of the camera body in the photographing position and to support the electronic viewfinder in a horizontal state when the camera body is placed horizontally;
A viewfinder support device characterized in that the foot portion is provided with a stopper that abuts and locks the support arm when the electronic viewfinder fixed and held at the other end of the support arm is in a use position.