JPH11296937A - Cassette loading mechanism - Google Patents

Abstract

PROBLEM TO BE SOLVED: To perform a stably reproducing operation while preventing a cassette holder from being shaked even when a cassette deck is set in a state in which it is turned upside down as to a cassette loading mechanism having a structure in which the cassette holder holding a cassette to the chassis of a fixing side is moved in the up-and-down direction by the rotating operation of a moving and holding member. SOLUTION: This mechanism is made to have a structure in which an elastic member (leaf spring) 9 having an action pressing a cassette holder 2 to a chassis 1 in a state in which the cassette holder 2 exists at the loading position (uppward position) of a cassette is interposed between the cassette holder 2 and a moving and holding member 3. Thus, it is possible to prevent the holder 2 from being shaked and to suppress uneveness of reproduction effectively even when the cassetted deck is set in a state in which it is turned upside down only by adding one piece of the elastic member 9 and a stably reproducing operation is performed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cassette mounting mechanism provided on a cassette deck.

[0002]

2. Description of the Related Art First, the structure of a conventional cassette mounting mechanism will be described with reference to FIG. Here, a cassette mounting mechanism of a tape cassette deck for reproducing a tape cassette will be described as an example.

In FIG. 1, reference numeral 1 denotes a fixed chassis, and this chassis 1 is an outer casing (cabinet) of a cassette deck.
The chassis 1 has a tape running mechanism formed thereon.

Reference numeral 2 denotes a movable cassette holder for holding a cassette (tape cassette) C inserted into a cassette deck. The cassette holder 2 is horizontal with respect to the chassis 1 along a guide (not shown). And is supported so as to be movable up and down.

Reference numeral 3 denotes a moving support member for moving the cassette holder 2 up and down. The moving support member 3 is attached to the chassis 1 so as to be rotatable up and down around a shaft 4 as a fulcrum. The cassette holder 2 is connected to the distal end of the member 3.

FIG. 2 shows a structure of a connecting portion between the moving support member 3 and the cassette holder 2. That is, as is apparent from this figure, the engagement claws 5a and 5b provided at the tip end of the movable support member 3 are engaged with the engagement holes 6 formed in the cassette holder 3.
a and 6b, respectively, and engaging claws 7a and 7b provided on the cassette holder 3 are engaged with engaging holes 8a and 8b formed at the distal end of the movable support member 3, respectively.
Thus, the movable support member 3 and the cassette holder 2 are connected so as to move in the vertical direction in conjunction with each other.

The moving support member 3 is adapted to be turned up and down by an electric mechanism.
With the rotation of the cassette 1, the cassette holder 2 is moved up and down between the cassette insertion position and the cassette mounting position with respect to the chassis 1.

FIG. 1A shows a state in which the cassette holder 2 is at the cassette insertion / removal position, that is, in this state, the cassette holder 2 is at an upper position floating above the chassis 1, and at this position, the cassette deck The cassette C is inserted and held in the cassette holder 2 from the insertion opening of the cassette C, and the operation of ejecting the cassette C from the cassette holder 2 (ejection) is performed.

FIG. 1B shows a state in which the cassette holder 2 is at the cassette mounting position, that is, the cassette C is moved down to this position by the operation of the moving support member 3, whereby the cassette C is moved. The tape is then mounted at a predetermined mounting position of the tape running mechanism, and a tape reproducing operation (play) is performed.

[0010]

However, in some cases, the cassette deck is installed upside down, for reasons of space and the like. For example, in audio systems for vehicles, the number of audio units combining a tape cassette deck and a compact disc deck is increasing. In this case, the size of the audio unit in a console box inside the vehicle is determined. Therefore, if the tape cassette deck and the compact disc deck are normally placed one on top of the other, there is a disadvantage that the insertion slot of the tape cassette and the compact cassette is located closer to the center of the audio unit, and the display unit of the audio unit becomes smaller. In order to make the display unit of this audio unit large, the tape cassette deck is installed upside down.

When the cassette deck is installed in an inverted state in this way, as shown in FIG. 3, when the cassette is mounted (during reproduction), the weight of the cassette C is not transferred to the fixed chassis 1 but to the movable cassette holder 2. As a result, the support state of the cassette holder 2 becomes unstable, and rattling tends to occur. In particular, in the case of an in-vehicle cassette deck, rattling of the cassette holder 2 is likely to occur due to vibration during traveling of the vehicle.

When the cassette holder 2 rattles as described above, the cassette also rattles, and as a result, the tape reproducing operation becomes uneven and the reproduced sound is distorted.

The present invention has been made in view of the above problems, and provides a cassette mounting mechanism capable of performing a stable reproducing operation without rattling of a cassette holder even when a cassette deck is installed in an inverted state. With the goal.

[0014]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a fixed chassis, a movable cassette holder for holding a cassette, a cassette holder rotatably mounted on the chassis and a cassette holder. And a moving support member for moving the cassette holder between the cassette insertion / removal position and the cassette mounting position, wherein the cassette holder is disposed between the cassette holder and the moving support member. Is a structure in which an elastic member for pressing the cassette holder toward the chassis in the state where the cassette is mounted is interposed.
It is desirable to use a leaf spring as the elastic member.

With the above-described structure, in the cassette mounting mechanism of the present invention, the cassette holder is pressed against the chassis by the elasticity of the elastic member when the cassette is mounted. And a stable reproduction operation is performed.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described in detail with reference to FIGS. Here, similarly to the above-described conventional example, a cassette mounting mechanism of a tape cassette deck for reproducing a tape cassette will be described as an example.

In this example, a case is shown in which the cassette deck is installed in an upside-down state in which the cassette deck is turned upside down.

In FIG. 4, reference numeral 1 denotes a fixed chassis, and this chassis 1 is an outer casing (cabinet) of a cassette deck.
The chassis 1 has a tape running mechanism formed thereon.

Reference numeral 2 denotes a movable cassette holder for holding a cassette (tape cassette) C inserted into a cassette deck. The cassette holder 2 is horizontally positioned with respect to the chassis 1 along a guide (not shown). And is supported so as to be movable up and down.

Reference numeral 3 denotes a movable support member for moving the cassette holder 2 up and down. The movable support member 3 is attached to the chassis 1 so as to be rotatable up and down around a shaft 4 as a fulcrum. The cassette holder 2 is connected to the distal end of the member 3.

FIG. 5 shows a structure of a connecting portion between the moving support member 3 and the cassette holder 2. That is, as is apparent from this figure, the engagement claws 5a and 5b provided at the tip end of the movable support member 3 are engaged with the engagement holes 6 formed in the cassette holder 3.
a and 6b, respectively, and engaging claws 7a and 7b provided on the cassette holder 3 are engaged with engaging holes 8a and 8b formed at the distal end of the movable support member 3, respectively.
Thus, the movable support member 3 and the cassette holder 2 are connected so as to move in the vertical direction in conjunction with each other.

The movable support member 3 is rotated vertically by an electric mechanism.
With the rotation of the cassette 1, the cassette holder 2 is moved up and down between the cassette insertion position and the cassette mounting position with respect to the chassis 1.

FIG. 4A shows a state in which the cassette holder 2 is at the cassette insertion / removal position, that is, in this state, the cassette holder 2 is at a lower position away from the chassis 1 and at this position, the cassette deck The cassette C is inserted and held in the cassette holder 2 from the insertion opening of the cassette C, and the operation of ejecting the cassette C from the cassette holder 2 (ejection) is performed.

FIG. 4B shows a state in which the cassette holder 2 is at the cassette mounting position, that is, the cassette C is moved up to this position by the operation of the moving support member 3, whereby the cassette C is moved. The tape is then mounted at a predetermined mounting position of the tape running mechanism, and a tape reproducing operation (play) is performed.

As a means for preventing rattling of the cassette holder 2 during tape reproduction, in particular, in the cassette mounting mechanism of this embodiment, a leaf spring 9 is provided between the cassette holder 2 and the moving support member 3 as an elastic member. Are interposed.

As shown in FIG. 6, the leaf spring 9 has a central portion curved in an arc shape. The extension plate 3a is formed at the tip of the movable support member 3 and the cassette holder 2 is extended. It is attached so as to be sandwiched between it.

The leaf spring 9 has fitting holes 10a and 10b formed at both ends thereof fitted into convex portions 11a and 11b projecting from the cassette holder 2, respectively. The dropout between the extension plate portion 3a and the cassette holder 2 is prevented.

Incidentally, the mounting holes 10a, 1 of the leaf spring 9 are provided.
The hole 10b on one side of the hole 0b is formed as a long hole, and thereby has a structure capable of coping with the bending of the leaf spring 9.

In the cassette mounting mechanism of the present embodiment configured as described above, when the cassette shown in FIG.
Is held down against the chassis 3, so that the cassette holder 2 does not rattle even when the cassette deck is installed upside down. Therefore, the cassette C held in the cassette holder 2 does not rattle, so that unevenness in the tape reproducing operation is effectively suppressed, and stable reproduction is performed.

Since the cassette mounting mechanism has a simple structure in which only one leaf spring 9 as an elastic member is added to the conventional mechanism, it can be easily implemented.

Further, in the mechanism of this embodiment, a leaf spring is used as the elastic member, and since this leaf spring is an extremely inexpensive component, it can be implemented at low cost.

Although the embodiment of the present invention has been described above, the present invention is not limited to this.
For example, in the above example, a leaf spring is used as the elastic member. However, the elastic member is not limited to a leaf spring, and various other elastic bodies such as a coil spring can be used.

In the above example, a tape cassette is exemplified as a cassette. However, the present invention can be applied to, for example, a disk cassette mounting mechanism other than the tape cassette.

[0034]

As described above, in the cassette mounting mechanism according to the present invention, even when the cassette deck is installed upside down, reproduction unevenness can be prevented without rattling even when the cassette deck is installed upside down. It can be suppressed effectively and a stable reproduction operation is performed.

[Brief description of the drawings]

FIG. 1 is a side view showing a conventional cassette mounting mechanism.
(A) shows a state where the cassette holder is at the cassette insertion / removal position, and (B) shows a state where the cassette holder is at the cassette mounting position.

FIG. 2 is a plan view of a connecting portion between the moving support member and the cassette holder.

FIG. 3 is an explanatory diagram when the cassette deck is installed upside down.

FIGS. 4A and 4B are side views showing a cassette mounting mechanism according to the present invention, wherein FIG. 4A shows a state where the cassette holder is at a cassette insertion / removal position, and FIG. 4B shows a state where the cassette holder is at a cassette mounting position.

FIG. 5 is a plan view of a connecting portion between the moving support member and the cassette holder.

FIG. 6 is a sectional view of a portion where the leaf spring is attached.

[Explanation of symbols]

1 chassis, 2 cassette holder, 3 moving support member, 9 leaf spring (elastic member), C cassette

Claims (2)

[Claims] 1. A fixed-side chassis, a movable-side cassette holder for holding a cassette, a rotatable attachment to the chassis, and a connection to the cassette holder. And a moving support member for moving the cassette between the cassette holder and the moving support member, wherein the cassette holder is located at the cassette mounting position between the cassette holder and the moving support member. A cassette mounting mechanism comprising an elastic member for pressing the cassette holder against the chassis. 2. The cassette mounting mechanism according to claim 1, wherein a leaf spring is used as said elastic member.