JP3127689B2 - 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 in a video movie or audio cassette tape recorder, for example.

[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. 4 is a perspective view of a position where a cassette of the conventional cassette mounting device can be attached and detached, and FIG. 5 is a side view of a position where the cassette of the conventional cassette mounting device is mounted on the apparatus main body. 4, 101 is a cassette, 102
Denotes a cassette holder which detachably holds the cassette 101. 103 is a first arm, 104 is a second arm, one end of which is rotatably held and the other end of which is slidably held, and are rotatably engaged with each other at a substantially central portion. . Reference numeral 108 denotes a shaft for adjusting the phases of the arms 103 and 104. Reference numeral 105 denotes a stand having a center of rotation of the arm 103 and a sliding groove of the arm 104. Reference numeral 106 denotes a spring which is engaged with the arms 103 and 104 and biases the cassette holder 102 from the cassette down position shown in FIG. 5 toward the cassette mounting / dismounting position shown in FIG. Reference numeral 107 denotes a cassette cover fixed to the upper portion of 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. 4, the cassette 101 is inserted into the cassette holder 102 in the direction of arrow A, and is manually moved to the cassette 101 mounting position in FIG. At this position, the cassette 101 is mounted on the positioning pins 109 of the apparatus main body, and the cassette holder 102 is locked by a lock mechanism (not shown), and the cassette mounting is completed.

[0005]

However, in the above-described conventional configuration, when the whole is downsized in the case of a product such as a video movie, for example, the proportion of the whole projected area of the cassette mounting device becomes large, It is desired to arrange operation switches for recording, reproduction, stop, and the like on the upper surface of the cassette cover 107. However, since the cassette cover 107 moves almost straight, wiring is difficult. Further, in order to solve this problem, it is necessary to further configure another mechanism, and there is a problem that the number of parts is increased, and the size and weight of the product are increased. Further, since the cassette cover 107 is fixed to the upper portion of the cassette holder 102, variations in the position and posture of the cassette holder 102 with respect to the apparatus main body 111 and variations in the attachment of the cassette cover 107 to the cassette holder 102 are accumulated. The position and posture of the cover 107 varied greatly. For this reason, there is a problem that a step or a gap is formed between the exterior 110 and the cassette cover 107, and the appearance becomes unsightly.

The present invention solves the above-mentioned conventional problems. An operation switch and the like can be arranged on the projection surface of the cassette mounting device with a simple structure, and furthermore, the position variation of the cassette cover as an exterior can be suppressed, and An object of the present invention is to provide a cassette mounting device in which the ease of insertion into a cassette holder is improved.

[0007]

In order to achieve this object, a cassette mounting apparatus according to the present invention accommodates a cassette therein and mounts the cassette to a main body of the apparatus from a first position where the cassette can be attached and detached. A cassette holder that can reciprocate to a position, a parallel link that is disposed on the left and right sides of the cassette holder and has one end rotatably supported on the cassette holder and the other end on the apparatus body, and on the left and right sides of the cassette holder. possess a convex portion provided, and a rotatable cassette cover is provided with a cam groove for guiding the convex portion, before
A part of the cam groove is centered on the rotation axis of the cassette cover.
And the cassette holder is
When moved to the position 1, the convex portion and the circular arc portion
It is configured to engage

[0008]

With this structure, the cassette holder can be reciprocated from the first position to the second position by rotating the cassette cover, and an operation switch or the like can be arranged on the projection surface of the cassette cover. The variation in the position of the cassette cover is reduced, and the cassette can be easily inserted into the cassette holder.

[0009]

An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a side view showing a first position where a cassette according to an embodiment of the present invention can be attached / detached, FIG. 2 is a perspective view thereof, and FIG.
It is a side view showing the position of.

In the drawing, 1 is a cassette, 2 is a cassette holder for accommodating the cassette 1, 3 and 3a are apparatus main bodies such as a video movie, and 4a and 4b are cassette holders 2.
And a parallel link connecting the main body 3a and the main body 3a. In addition, the cassette 1 is attached to the parallel link 4a at a position spaced from the extension line of the bottom of the cassette holder 2 by H.
There is provided a call-in part 4c for guiding the user. 5
Reference numeral denotes a cassette cover, and its rotating shaft 5a is attached to the exterior 6, and is urged by an up spring 7 in the direction opposite to the direction of arrow D. The pin 2a attached to the cassette holder 2 is engaged with the first cam groove 5b and the second cam groove 5c whose shape is a circular arc centered on the rotation shaft 5a.

The operation of the embodiment of the cassette mounting apparatus constructed as described above will be described with reference to the drawings. First, as shown in FIG. 1, the cassette 1 is moved in the direction of arrow A and inserted into the cassette holder 2. At this time, since there is the calling portion 4c near the extension line (indicated by a dotted line) of the bottom of the cassette 1, the cassette 1 can be easily inserted into the cassette holder 2 when the cassette 1 is moved while being in contact with the calling portion 4c . At this time,
The set holder 2 receives a force in the direction of arrow A from the cassette 1.
I can. When the user inserts the cassette 1, the cassette
If the unit 1 is inserted with some force in the direction of arrow C,
A force in the direction of arrow C naturally acts on the socket holder 2. Further
When the cassette 1 comes into contact with the call-in section 4C, the cassette
A force acts to push down the holder 2 in the direction of arrow C. Resultant force of these forces is transmitted to the cassette cover 5, the cassette cover 5 for the direction of transmitted force becomes a direction of arrow B (rotational axis direction) without rotating, the cassette holder 2 also does not drop. When the cassette cover 5 is pushed in the direction of arrow D after the cassette is inserted, the cassette cover 5 rotates, the cassette holder 2 descends via the cam grooves 5b and 5c and the pin 2a, and the cassette 1 is mounted on the positioning pins 8 as shown in FIG. State. At this position, the cassette cover 5 is locked by a lock mechanism (not shown), and the cassette mounting is completed. At this time, since the rotating shaft 5a of the cassette cover 5 is attached to the exterior 6, the position of the cassette cover 5 with respect to the exterior 6 hardly varies. Next, when releasing the lock mechanism for removal of the cassette 1, the cassette cover 5 is rotated in the direction opposite to the arrow D direction in FIG. 1 Ri by the biasing force of Appubane 7. Further, the pins 2a are also lifted by the cam grooves 5b and 5c, and the cassette holder 2 is raised, and returns to the state shown in FIG.

As described above, according to the present embodiment, the cassette 1 can be mounted on the apparatus main body 3 by rotating the cassette cover 5. As a result, components such as operation switches can be provided on the projection surface of the cassette cover 5. In addition, it is possible to suppress a variation in the position of the cassette cover 5 with respect to the exterior 6, and to easily insert the cassette into the cassette holder 2.

The parallel link 4a may be provided with a call-in portion for regulating the position of the cassette 1 in the left-right direction, and the call-in portion 4c may be a separate member. In addition, components such as operation switches provided may be connected to the apparatus main body 3 using a flexible printed circuit board or the like.

[0014]

As described above, according to the present invention, since the cassette holder is moved by rotating the cassette cover, operation switches and the like can be easily arranged on the projection surface of the cassette cover. An excellent cassette mounting device that suppresses variations in the position of the cassette cover with respect to the exterior by providing an It will be realized.

[Brief description of the drawings]

FIG. 1 is a diagram showing a first example of a cassette to which a cassette according to an embodiment of the present invention can be attached and detached;
Side view showing the position of

FIG. 2 is a perspective view showing the same position.

FIG. 3 shows a second example of mounting the cassette of the embodiment in the apparatus main body.
Side view showing the position of

FIG. 4 is a perspective view showing a position where a cassette in a conventional cassette device can be attached and detached.

FIG. 5 is a side view showing a position where a cassette in a conventional cassette device is mounted on the device main body.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cassette 2 Cassette holder 3 Main body 4 Parallel link 5 Cassette cover 6 Exterior 7 Up spring 8 Positioning pin

Claims (3)

(57) [Claims] 1. A housing the cassette therein, and a front Stories second cassette holder reciprocally movable to a position attached to the main body of the cassette from a first position capable of attaching and detaching the cassette, the left and right sides of the cassette holder A parallel link, one end of which is rotatably supported by the cassette holder and the other end of which is rotatably supported by the apparatus main body; and a protrusion provided on both left and right sides of the cassette holder; and a guide for the protrusion. Rotatable cassette cover with cam groove
Then, a part of the cam groove is adapted to rotate the rotation axis of the cassette cover.
The cassette holder is formed by an arc portion having the center as the center.
When moving to the first position, the protrusion is
A cassette mounting device, which is engaged with an arc portion . 2. The cassette mounting device according to claim 1, wherein the rotating shaft of the cassette cover is provided on an exterior member that houses the apparatus main body. 3. When a cassette is mounted on a cassette holder.
To guide the cassette to the cassette holder
Is provided on the parallel link.
The cassette mounting device according to claim 1, wherein