JPH0454592Y2 - - Google Patents

Description

[Detailed Description of the Invention] <Industrial Application Field> The present invention relates to a cassette loading mechanism suitable for a cassette deck, particularly an R-DAT type cassette deck, and more specifically, a cassette loading mechanism for inserting and ejecting cassettes into a cassette holder. The bottom of the slider is formed by a mounting base and a sliding lid, and the sliding lid can be freely stored in the space formed by the cover body provided on the mounting base and the mounting base, making it possible to smoothly insert and install a cassette. The present invention relates to a cassette loading mechanism for a cassette deck, which is characterized by allowing easy removal of cassettes.

<Prior Art> Most loading mechanisms for inserting a cassette into a cassette holder within a deck body are of a type in which the cassette is directly pushed into the cassette holder.

On the other hand, in order to protect the cassette tape from dust, etc. and obtain high sound quality, the cassette is equipped with a front cover, which is normally closed and opens only when the cassette holder is inserted, the so-called R-DAT method. There is. With these so-called non-dust type cassettes, the front cover must be opened during the process of pushing the cassette into the cassette holder. In this case, it is not possible to push the cassette directly in, but it is necessary to provide a cassette feeding frame on the slider, move the cassette feeding frame together with the slider, open the front cover during this movement, and insert the cassette into the cassette holder.

<Problems to be solved by the invention> However, since the cassette itself is placed on the slide lid and the pedestal, when it is pushed in, it slides against the edge of the boundary between the slide lid and the pedestal, causing damage to the bottom of the cassette. receive. On the other hand, during ejection, accidents such as the rear end of the cassette getting caught on the boundary edge also occur. Furthermore, the stored cassettes may not be able to be taken out smoothly because there is not enough space within the cassette feeding frame to take them out.

<Means for solving the problems> The present invention was devised in view of the above problems.
The bottom of the slider is formed by a mounting base and a slide lid, and a cover body is provided on the top of the mounting base,
By making it possible to store the slide lid inside the cover body, the insertion and ejection of the cassette is facilitated.
Moreover, the bottom surface of the cassette is prevented from being damaged.

<Function> That is, when the cassette is pushed in, the cassette itself takes a low position in the pushing direction, is smoothly inserted into the cassette holder, and the slide lid is housed in the cover body, so it does not come into contact with the bottom surface of the cassette. Therefore, the bottom surface of the cassette is not damaged. Further, when the cassette is ejected from the cassette holder, the rear end of the cassette rises and is placed on the upper surface of the cover body as the cassette feeding frame moves. On the other hand, the slide lid is extended from the cover body and does not come into direct contact with the bottom surface of the cassette.

<Embodiment> The cassette loading mechanism of the cassette deck of the present invention will be described below based on the drawings.

FIG. 1 is a perspective view of the deck main body 1. The deck body 1 has a cassette holder 2, its lifting and lowering mechanism, a hub drive mechanism, and a recording/reproducing head mechanism mounted therein via a chassis 11.

On the other hand, the slider 3 transmits the driving force from the motor M provided on the side part 31 to each gear group G via the pulley P.
The gear group G meshes with the rack R, causing the slider 3 to travel. The cassette feed frame 4 on the slider 3 is coaxial with a gear meshed with the rack R, and is configured to travel in the same direction as the slider 3 by means of a small diameter pinion (not shown).

That is, as will be described later, when the slider 3 moves to the front surface of the deck main body 1, the cassette feed frame 4 also moves to a position where the housed cassette is inserted into the cassette holder 2.

As shown in the plan views of FIGS. 2 and 3, the bottom portion 32 of the slider 3 is formed by the mounting base 6, the slide lid 7, and the cover body 8 provided on the mounting base 6. FIGS. 4a and 4b are partially omitted perspective views for explaining the configurations of the stand 6, the fried lid 7, and the cover body 8. FIG. As shown in the figure, the mounting base 6 is integrated with the slider 3, and the top surface of the mounting base 6 has a cross section omitted.
A cover body 8 having a shape is attached. The mounting base 6 and the cover body 8 form a space O, and the slide lid 7 is configured to be freely housed within this space O via a spring V. Further, a pair of semicircular bulges 9, 9 are formed on the upper surface of the cover body 8. These semicircular bulges 9, 9 hold the cassette 5 in a low position within the bottom 32 of the slider 3 in the pushing direction (see FIG. 6).

As shown in the schematic front view of FIGS. 1 and 5, the insertion opening of the cassette holder 2 is provided with guide claws Na and Nb at the top, bottom, and sides, allowing the cassette 5 to be inserted smoothly into the cassette 5. Guide it into holder 2. In particular, by providing these guide claw pieces Na and Nb integrally with the cassette holder 2, the assembly is simplified by improving strength and reducing the number of parts.

Next, the cassette loading and unloading process by the cassette loading mechanism of the present invention will be explained.

First, as shown in the plan view of FIG. 2 and the schematic side sectional view of FIG. 6, when the slider 3 is pulled out from the deck body 1, the cassette feeding frame 4 is also pulled out in the same way. At this time, the slide lid 7 is
is drawn out from the space O (see Figure 4b). After storing the cassette 5 in the cassette feeding frame 4, it is fed in one direction of the deck body. At the beginning of this feeding stroke, the bottom surface of the cassette 5 rests on the semicircular bulges 9, 9 of the cover body 8, and is raised to a lower position in the so-called pushing direction. At this time, only the bottom surface of the insertion side of the cassette 5 comes into contact with the slide lid 7, as shown in FIG.

When the cassette feeding frame 4 is fed into the cassette holder 2 side from this state, the slide lid 7 is engaged with a pin (not shown) protruding from the chassis 11 side, and resists the biasing force of the springs V, V. Then, the slide lid 7 itself is housed in the space O (see FIGS. 4a and 7).

Next, the cassette holder 2 with the cassette 5 mounted thereon is lowered to the hub drive mechanism by the lifting and lowering mechanism (see FIG. 7), and positioned at a predetermined recording and playback position. Although not particularly shown, the magnetic tape is pulled out from the cassette 5 from this state and wound around the rotating magnetic head H, allowing recording and reproduction.

On the other hand, in the process of ejecting the cassette 5, as shown in FIGS. 2, 3, 6, and 7, the cassette 5 is moved from the cassette holder 2 to the cassette feeding frame 4 as the lifting and lowering mechanism is driven. be done. When the cassette 5 is stored in the cassette feeding frame 4, the bottom surface of the cassette 5 and the slide lid 7 do not come into contact because the slide lid 7 is stored in the space O as shown in FIG. 4a. Next, the cassette 5 is fed out of the deck body 1 by the running movement of the slider 3 and the cassette feeding frame 4. At this time, the slide lid 7 is released from the locking state with the pin and is pulled out from the space O by the biasing force of the springs V, V (see FIG. 4b). As a result, the bottom surface of the insertion side of the cassette 5 is placed on the slide lid 7, and the bottom surface of the other side is placed on the semicircular bulges 9, 9, so that the cassette 5 can be inserted from the inside of the cassette feeding frame 4 as described above. It is placed in a floating position.

As described above, in each process of insertion and ejection, the bottom surface of the cassette 5 does not slide against the boundary end surface between the slide lid 7 and the table 6 and is not damaged. Furthermore, since the rear end of the cassette 5 rises above the cassette feed frame 4, it is easy to hold and take out the cassette.

<Effects of the invention> As explained above, the cassette loading mechanism of the cassette deck of the present invention has a cover body on the stand and the slide lid can be freely stored in the space created by this cover body, so that the cassette loading mechanism of the cassette deck of the present invention is easy to install. And there are no accidents such as getting caught on the bottom of the slider during ejection.
As a result, the cassette tape delivery function of the deck body is improved without damaging the cassettes. Furthermore, since the position is low in the insertion direction when inserted, the insertion into the cassette holder is smooth, and when ejected, the cassette floats up, making it easy to take out, resulting in excellent usability. Furthermore, by adding a pattern or the like to the top surface of the cover body, the design effect within the slider can be greatly enhanced.

[Brief explanation of the drawing]

Fig. 1 is a perspective view showing the deck body, Fig. 2 is a plan view showing the cassette loading mechanism when inserting the cassette, Fig. 3 is a plan view showing the same when the insertion is completed, Figs. b is a partially omitted perspective view showing the structure of the slide lid, stand and cover body, Fig. 5 is a front view illustrating the guide claw provided in the insertion opening of the cassette holder, and Fig. 6 is the initial stage of pushing in or removing the cassette. FIG. 7 is a schematic side sectional view showing the state in which the cassette is inserted into the cassette holder. 1...Deck body, 2...Cassette holder,
3...Slider, 4...Cassette feed frame, 5...
...cassette, 6...stand, 7...sliding lid, 8
...Cover body, 9,9...Semicircular bulge, O...
space.

Claims (1)

[Scope of Claim for Utility Model Registration] By moving the cassette feeding frame on the slider along with the slider, the cassettes in the cassette feeding frame are inserted into the cassette holder, and the cassettes ejected from the cassette holder are fed. In a cassette loading mechanism that is stored in a frame and taken out from the deck body, the bottom of the slider is formed by a mounting base and a slide lid, a cover body is provided on the mounting base, and the cover body and the mounting base are connected to each other. The slide lid is made to be able to be stored freely in the space provided by the deck, and the slide lid is attached to the slider via a spring, and when the slider is paid out from the deck body, the slide lid is moved by the spring. A cassette drawer of a cassette deck, characterized in that when the slider is pulled out of the space by force and fed into the deck main body, the slide lid is housed in the space against the force of the spring. Deing mechanism.