JP3097446B2 - Cassette mounting device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cassette mounting device for recording and reproducing video signals and the like on a magnetic tape, for example, a video movie.

[0002]

2. Description of the Related Art In recent years, video movies have been required to be smaller and lighter, and a cassette mounting device as a component thereof has also been required to be smaller and lighter.

[0003] A conventional cassette mounting apparatus will be described below. FIG. 5 is a perspective view of a conventional cassette mounting apparatus at a cassette mounting / dismounting position, and FIG. 6 is a sectional view of a main part of the conventional cassette mounting apparatus when the cassette is down. In FIG. 5, reference numeral 101 denotes a cassette; and 102, a cassette holder which detachably holds the cassette 101. 103 is an arm a and 104 is an arm b, each of which has one end rotatably held at the other end so as to be slidable, and is rotatably engaged with each other at a substantially central portion. 109 is a pair of arms a
103 is a shaft for adjusting the phase. 105
Is a stand having a rotation center of the arm a103 and a sliding groove of the arm b104. 106 is engaged with the arm a 103 and the arm b, and the cassette holder 102 is
The spring is biased in the direction from the cassette down position shown in FIG. Reference numeral 107 denotes a pressing spring having one end fixed to the cassette holder 102.

[0004] The operation of the conventional cassette mounting apparatus configured as described above will be described below. First, in the state shown in FIG. 5, the cassette 101 is inserted into the cassette holder 102 from the direction of arrow A and manually moved to the cassette down position in FIG. In this position, the cassette 101 engages with the positioning pin 110 of the apparatus main body, and the pressing spring 10
At 7, it is pressed in the direction of arrow B and is mounted and fixed at a predetermined position.

[0005]

However, in the above-mentioned conventional configuration, when the whole is downsized in the case of a product such as a video movie, for example, the ratio of the projected area of the cassette mounting device to the whole becomes large, It is desirable to arrange operation switches for recording, reproduction, stop, etc. on the upper surface of the cassette holder 102.
2 has a problem that wiring is difficult because it moves almost straight. Further, in order to improve the problem, it is necessary to configure a mechanism separate from the cassette holder, and there is a problem that the number of parts increases and becomes large when the product is manufactured.

The present invention solves the above problems,
An object of the present invention is to provide a cassette mounting device that can be provided with an operation switch or the like on a projected area of the cassette mounting device with a simple configuration.

[0007]

In order to achieve this object, a cassette mounting apparatus according to the present invention comprises a cassette holder for housing a cassette having a magnetic tape housed therein, and a cassette holder rotatably supported by the apparatus body. The cassette holder comprises a first member and a pair of second members, one end of which is rotatably supported by the first member and the other end of which is slidably engaged with the apparatus main body. And the second member is slidably engaged with the second member so that the cassette member can be recorded / reproduced on / from the magnetic tape from the first position where the cassette can be attached / detached by the rotation of the first member. It has a configuration for moving to the second position.

[0008]

With this configuration, the first position and the second position of the cassette holder (cassette) can be moved by the rotation of the first member, and the first member can be easily formed by using a flexible printed board or the like. A cassette mounting device in which operation switches and the like can be disposed on the projection surface can be configured, and the number of components can be reduced, and the size and weight can be reduced.

[0009]

An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a side view of a first position where a cassette according to an embodiment of the present invention can be attached and detached, FIG. 2 is a perspective view thereof, and FIG. 3 is a side view of a second position where recording or reproduction is performed on the magnetic tape. FIG. 4 shows the movement locus of the cassette from the first position to the second position. In the figure, 1 is a cassette, 2 is a cassette holder, 3 is a top plate as a first member, and 4 is a second plate.
5 is a stand fixed to the apparatus main body (not shown), and 6 is an up spring. Reference numeral 7 denotes a printed board provided with an operation switch 8, and 9 denotes a flexible printed board that connects the printed board 7 and a printed board (not shown) of the apparatus body. The cassette holder 2 has a support 2a.
And is rotatably supported by the top plate 3 and slidably engaged with the cam groove 4a of the arm 4 by the support portion 2b. The top plate 3 is supported by a stand 5 so as to be rotatable around a support 3a, and the arm 4 is supported by a support 4b.
Is pivotally supported on the top plate 3 around the center,
Further, the cam groove 4c and the support 5a of the stand 5 are slidably engaged. The up spring 6 is locked to 3b of the top plate 3 and 5b of the stand 5.

The operation of the embodiment of the cassette mounting apparatus constructed as described above will be described with reference to FIGS. 2 and 3 in addition to FIG. First, as shown in FIG.
Into the cassette holder 2 in the direction of arrow A,
When manually pressed from the direction, the top plate 3 rotates about the support portion 3a. The arm 4 rotates about a support portion 4b provided at one end thereof, and the cam groove 4c provided at the other end slides along the support portion 5a, so that the cam groove portion 4a moves in the direction of arrow B. . At this time, the cassette holder 2 also moves together with the cam groove 4a, but the relative relationship of the top plate 3 moves while rotating about the support 2a. Further, as the top plate 3 is rotated, the cassette 1 is engaged with the positioning pins 10 of the apparatus main body and is mounted at a predetermined position. At this position, the top plate 3 is locked at a predetermined position on the apparatus main body by a lock mechanism (not shown).

When the lock mechanism is released, the top plate 3 is rotated in the direction opposite to the arrow D by the urging force of the up spring 6, and the movement of the top plate 3 is caused by the arm 4 to move the cassette holder 2 in the direction opposite to the arrow B. It is moved back to the position shown in FIG.

Here, the movement locus of the cassette from the first position to the second position of the cassette 1 will be described. It is generally known that the cassette must be moved as straight as possible to insert a loading post (not shown) into an opening (not shown) in the cassette 1. In the movement locus of the cassette of the cassette mounting apparatus of the present invention shown in FIG. 4, the cassette moves while tilting with respect to the apparatus main body, but moves almost straight in the tape and opening portion inside the cassette. I understand.

As described above, according to the present embodiment, the movement of the cassette holder 2 is controlled by the rotation of the top plate 3 and the movement of the arm 4.
Through this, the printed circuit board 7 having the operation switches 8 and the like can be attached to the projection surface of the top plate 3 and connected to the circuit of the apparatus main body using the flexible printed board 9 and the like.

Further, the cam groove 4c of the arm 4 may be provided on the stand 5, and in this case, the cam groove is provided on the stand 5 and the support portion is provided on the arm 4.

[0016]

As described above, the present invention provides a cassette holder for accommodating a cassette accommodating a magnetic tape therein,
A first member rotatably supported by the device body, and a pair of second members rotatably supported at one end by the first member and slidably engaged at the other end with the device body. The cassette holder is rotatably connected to the first member and is slidably engaged with the second member, so that an operation switch is provided by using a flexible printed board or the like as a part of the cassette mounting device. It is possible to arrange parts such as
As a result, it is possible to realize an excellent cassette mounting device that can contribute to reducing the size and weight of the device main body.

[Brief description of the drawings]

FIG. 1 is a side view of a first position of an embodiment of the present invention.

FIG. 2 is a perspective view of a first position of one embodiment of the present invention.

FIG. 3 is a side view of a second position according to an embodiment of the present invention.

FIG. 4 is a diagram showing a locus of a cassette according to an embodiment of the present invention.

FIG. 5 is a perspective view of a conventional cassette mounting device.

FIG. 6 is a sectional view of a main part of the conventional cassette mounting device when the cassette is down.

[Explanation of symbols]

 1 cassette 2 cassette holder 3 top plate 4 arm 5 stand 6 up spring

Claims (1)

(57) [Claims] 1. A cassette holder for accommodating a cassette containing a magnetic tape therein, a first member rotatably supported by an apparatus main body, and one end rotatably supported by the first member. A pair of second members having the other ends slidably engaged with the apparatus main body, wherein the cassette holder is rotatably connected to the first member and slides with the second member. The cassette holder is movably engaged, and the cassette holder is moved from a first position at which the cassette can be attached and detached to a second position at which recording or reproduction is performed on the magnetic tape by rotating the first member. Cassette mounting device.