JPH11273199A - Take-out mechanism for cassette tape - Google Patents

Abstract

PROBLEM TO BE SOLVED: To interlock a cap with mechanism operation when a cassette is taken out by providing a movable member moving in the prescribed direction while contact sliding to a cam shape provided on a link held turnably and a spring energizing this movable member in the prescribed direction. SOLUTION: When a cap 2 is turned, the link 6 turnably held to the cap 2 by a third shaft 12 is moved in the turning direction also. The link 6 is moved also along a long hole opening part provided on a second shaft 11. When the cap 2 is turned to a prescribed state, the cap 2 is moved to a fit-to position W by the action energized in the direction of the arrow D by the spring 9. Since a first metal parts 7 is moved also following movement of a first shaft 10, the bent part of the first metal parts 7 pushes a take-out switch 5, and the mechanism 4 is moved in the direction of the arrow F. Then, a cassette tape 3 is taken out.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cassette tape take-out mechanism effective for use in a camera-integrated magnetic recording / reproducing apparatus.

[0002]

2. Description of the Related Art In recent years, a camera-integrated magnetic recording / reproducing apparatus (hereinafter referred to as a video camera) has been required to be downsized.
Also in a magnetic recording / reproducing mechanism using a built-in cassette tape (hereinafter referred to as a mechanism), a structure is used in which two divided blocks are moved after the tape is inserted to reduce the volume of the mechanism. . In that case, a configuration is used in which the housing portion of the video camera is provided with a rotatable lid or the like that does not hinder the movement of the mechanism in the movable direction of the mechanism. It is necessary to coordinate the movements of each other so that the mechanism can move with the lid open.

Hereinafter, two examples of the structure of a conventional cassette tape take-out mechanism will be described.

FIG. 3A is a cross-sectional view of a conventional cassette tape take-out mechanism in which a take-out switch is arranged behind a lid. FIG. 3B is a cross-sectional view showing a state where the cover is opened and the mechanism is moved in the direction of arrow F.

In FIG. 3, reference numeral 1 denotes a video camera main body;
Is a cover capable of inserting the cassette tape 3, 4 is a mechanism for taking out and driving the cassette tape 3, 5 is a take-out switch operated when taking out the cassette tape 3, 14 is a printed circuit board on which a circuit for driving the mechanism 4 is mounted, 15 is a connector mounted on the printed circuit board 14,
Reference numeral 16 denotes a flexible wire connecting the connector 15 and the takeout switch 5.

FIG. 4A shows a video camera main body, a lid, and a link 6 rotatably held on the video camera main body 1 so as to be freely rotatable. It is sectional drawing of the structure which presses. FIG.
FIG. 4B is a cross-sectional view of FIG. In this configuration, since the take-out switch 5 is disposed on the back side of the lid 2, when the cassette tape is taken out, the cover 2 is opened and then the take-out switch 5 is pressed. 2 will be movable in the open state.

FIG. 4C is a sectional view showing a state where the lid 1 is opened and the mechanism 5 is moved in the direction of arrow F. FIG.
FIG. 4D is a cross-sectional view of FIG. In this configuration, the link 6 interlocked with the lid 2 presses the take-out switch 5 with the lid 2 open, so that the mechanism 4 after the take-out switch 5 is pressed can move with the lid 2 open. .

[0008]

However, in the structure of FIG. 3, first, since the structure of the take-out switch 5 is provided inside the cover 2, the thickness X of the cover 2 is increased by the structure of the take-out switch 5, and In order to electrically connect the movable lid 2 and the video camera main body 1, it is necessary to connect the main body printed board 6 with a flexible wire 16 or the like.

In the configuration shown in FIG. 4, since the link 6 and the take-out switch 5 are laid out in parallel with the mechanism 4, the space Y between the video camera body 1 and the mechanism 4
However, when it is narrow, it cannot be constituted.

[0010] The present invention solves the above-mentioned conventional problems, and enables the interlocking of the operation of the lid and the mechanism at the time of taking out the cassette, even under limited conditions associated with the miniaturization of the video camera. Mechanism.

[0011]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, a cassette take-out mechanism according to the present invention comprises an apparatus main body, a lid rotatably held by the apparatus main body, and a floating holding part of the main body. The lid includes a link rotatably held, a movable member that moves in a predetermined direction while sliding in a cam shape provided on the link, and a spring that biases the movable member in a predetermined direction. It is provided.

With this configuration, it is possible to arrange the take-out switch outside the space between the mechanism and the video camera main body, and it is possible to narrow the space Y between the mechanism and the video camera main body.

[0013]

DETAILED DESCRIPTION OF THE INVENTION A cassette tape take-out mechanism according to claim 1 of the present invention comprises an apparatus main body, a lid rotatably held by the apparatus main body, and a lid rotatably held by a part of the main body. Comprises a link rotatably held, a movable member that moves in a predetermined direction while sliding in a cam shape provided on the link, and a spring that biases the movable member in a predetermined direction. With this configuration, it is possible to dispose the takeout switch outside the space between the mechanism and the video camera body, and it is possible to reduce the space Y between the mechanism and the video camera body. It is a thing.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. (Embodiment) FIG. 1A is a side view showing a configuration of a video camera provided with a cassette tape take-out mechanism of the present embodiment. In FIG. 1A, 1 is a video camera main body, 2 is a lid into which the cassette tape 3 can be inserted, 4 is a mechanism for taking out and driving the cassette tape 3, 5 is a takeout switch operated when taking out the cassette tape 3,
Reference numeral 6 denotes a link, 8 denotes a second fitting, 7 denotes a first fitting slidably held in the direction of arrow D with respect to the second fitting 8, and 9 urges the first fitting 7 in a predetermined direction. A spring 13 is a screw for fixing the second metal fitting 8 to the video camera body 1. Since the lid 2 and the link 6 are hidden behind the video camera body 1, they are indicated by dotted lines. The first metal fitting 7 is the second metal fitting 8
Are slidably held in the direction of arrow D, and are urged in the direction of arrow D by a spring 9. Also, the first
The metal fitting 7 has a bent shape so that the take-out switch 5 can be pressed. The second metal fitting 8 is a screw 1
3 fastened to the video camera body 1.

FIG. 1B is a sectional view of FIG. 1A viewed from the direction of arrow A. In FIG. 1B, the link 6 is movably held by the video camera body 1 by a second shaft 11, and is rotatably held by the lid 2 by a third shaft 12.

FIG. 1C is a sectional view of FIG. 1A viewed from the direction of arrow B. The first shaft 10 is the first metal fitting 7
And is slidably fitted to the cam shape of the link 6. FIG. 1D is a cross-sectional view of FIG. 1A viewed from the direction of arrow C.

The operation of the cassette tape take-out mechanism of the present embodiment configured as described above will be described with reference to FIG.

FIG. 2A is a drawing in which the lid 2 is rotated in the direction of arrow E. When the lid 2 is rotated, the link 6 rotatably held on the lid 2 by the third shaft 12 also moves following the rotation direction. Also, since the link 6 is held by the main body 1 so as to be freely movable by the second shaft 11,
The link 6 also moves along an elongated hole opening provided for the second shaft 11. Link 6 cam shape is 1st
Is slidably fitted to the shaft 10 of
As the link 6 moves, the fitting point also moves. The fitting position V when the lid 2 is closed moves by rotating the lid 2, and when the lid 2 is rotated to the state shown in FIG.
The spring 9 moves to the fitting position W by the action urged in the direction of arrow D. Since the first metal fitting 7 fixing the first shaft 10 also moves following the movement of the first shaft 10, the bent portion of the first metal fitting 7 presses the takeout switch 5, and the mechanism 4 moves the arrow. It moves in the direction of F. Then, the cassette tape 3 can be taken out.

As described above, according to the present embodiment, the take-out switch 5 is arranged outside the space Z between the video camera body 1 and the mechanism 4 so that the operation of the lid 2 and the mechanism 4 are linked. This makes it possible to reduce the interval of the space Z and reduce the size of the video camera.

[0020]

As described above, the present invention enables the construction of a cassette tape take-out mechanism capable of interlocking the operation of the lid and the mechanism at the time of taking out the cassette even under the space-saving condition accompanying the downsizing of the video camera. can do.

[Brief description of the drawings]

FIG. 1A is a side view showing a state where a lid of a cassette tape removing mechanism according to an embodiment of the present invention is closed. FIG. 1B is a side view showing a state where a lid of the cassette tape removing mechanism according to an embodiment of the present invention is closed. Main part front view (c) Main part side view showing a state in which the lid of the cassette tape takeout mechanism according to the embodiment of the present invention is closed (d) State in which the lid of the cassette tape takeout mechanism according to the embodiment of the present invention is closed The main part side view showing

FIG. 2A is a side view showing a state in which a lid of the cassette tape takeout mechanism according to the embodiment of the present invention is opened; FIG. 2B is a side view showing a state in which the lid of the cassette tape takeout mechanism according to the embodiment of the present invention is opened; Main part front view (c) Main part side view showing a state in which the lid of the cassette tape takeout mechanism according to the embodiment of the present invention is opened (d) State in which the lid of the cassette tape takeout mechanism according to the embodiment of the present invention is opened The main part side view showing

FIG. 3 is a sectional view showing a first configuration of a conventional cassette tape take-out mechanism.

FIG. 4 is a sectional view showing a second configuration of the conventional cassette tape take-out mechanism.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Video camera main body 2 Lid 3 Cassette tape 4 Mechanism 5 Extraction switch 6 Link 7 First metal fitting 8 Second metal fitting 9 Spring 10 First shaft 11 Second shaft 12 Third shaft 13 Screw

Claims (1)

[Claims] An apparatus main body, a lid rotatably held by the apparatus main body, a link loosely held by a part of the main body, and a link rotatably held by the lid, and provided on the link. A movable member that moves in a predetermined direction while sliding in a cam shape, and a spring that biases the movable member in a predetermined direction.