JPH0753165Y2 - Recording / playback cassette insertion device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial field of application) The present invention selectively inserts a plurality of recording / reproducing cassettes having different width-direction lengths and thickness-direction lengths on the insertion surface. The present invention relates to a recording / reproducing cassette insertion device capable of performing the above.

(Prior Art) As is well known, as a method of contacting and contacting a long tape contained in a recording / reproducing cassette to record or reproduce sound or the like on the tape, a method using a rotary head or a method using a fixed head is used. There is. The sizes of these recording / reproducing cassettes are standardized depending on the method.

By the way, in recent years, an attempt has been made to develop a recording / reproducing device capable of inserting recording / reproducing cassettes having different sizes through the same insertion port as described above for the purpose of reducing the installation space of the device.

However, in such a case, the width and height of the insertion opening must be set according to the recording / reproducing cassette having the larger width and height of the insertion surface. Therefore, when a recording / reproducing cassette having a small insertion surface width and height is inserted, it is difficult to align the recording / reproducing cassette, and the insertion operability deteriorates.

To deal with this, it is conceivable that a shutter having an opening through which only the narrow recording / reproducing cassette can be inserted is rotatably provided at the insertion opening for the wide recording / reproducing cassette. When the recording / reproducing cassette is inserted, the shutter of the recording / reproducing cassette may be rotated excessively. On the other hand, if the width of the insertion port is adjusted to the narrow recording / reproducing cassette, it becomes impossible to insert the wide recording / reproducing cassette.

(Problems to be solved by the invention) As described above, when a plurality of recording / reproducing cassettes having different sizes are inserted from the same insertion port, it is difficult to align the narrow recording / reproducing cassettes, and the narrow recording / reproducing is performed. Difficulty in inserting the cassette.

The present invention has been made in view of the above circumstances, and provides a recording / reproducing cassette insertion device capable of inserting a plurality of types of recording / reproducing cassettes having different lengths in the width direction into the same insertion opening. It is an object.

[Means for Solving the Problems] (Means for Solving the Problems) A recording / reproducing cassette inserting apparatus according to the present invention is characterized in that the width direction ends of the insertion opening formed in the first recording / reproducing cassette have a width substantially equal to that of the first recording / reproducing cassette. A first guide portion for guiding the width direction of the first recording / reproducing cassette, and a first guide portion for guiding the thickness direction of the first recording / reproducing cassette to both end portions in the thickness direction of the insertion opening. A second guide portion and a third guide portion formed inside the first guide portion and having a width substantially the same as the lateral width of the second recording / reproducing cassette formed to be narrower than the first recording / reproducing cassette. A guide portion and a fourth guide portion for guiding the thickness direction of the second recording / reproducing cassette in the thickness direction substantially the same as the thickness of the second recording / reproducing cassette are provided at both ends in the thickness direction of the second recording / reproducing cassette.

(Operation) In the configuration as described above, the wide first recording / reproducing cassette is guided by the first guide portions at both end portions of the insertion opening and the second guide portions in the thickness direction, while being narrowed. The second recording / reproducing cassette having the width is guided by the third guide portion and the fourth guide portion to be guided to the insertion openings having the respective widths and thicknesses.

(Embodiment) An embodiment of an apparatus for inserting a recording / reproducing cassette according to the present invention will be described below with reference to the drawings.

FIG. 1 is a front view of a device showing an embodiment of the present invention, and FIGS. 2 (a), (b), and (c) are AA line, BB line, and C of FIG.
It is a side view which shows the cross section of each -C line. In these drawings, reference numeral 1 is a housing of a recording / reproducing device, and a thick portion 1a is formed inside the front surface of the housing 1. The thick portion 1a
An insertion port 2 penetrating the thick portion 1a is formed on the inside, and a cassette holder (not shown) is arranged inside the insertion port 2.

As shown in FIG. 3, which is an explanatory view showing a state in which the recording / reproducing cassette is inserted, the side surface 3 of the insertion port 2 and the side surface 3 are shown.
The width between the first recording / reproducing cassette 4 such as a compact cassette is approximately the same as the lateral width between the other side surface 3 and the side surface 3. Therefore, the first recording / reproducing cassette 4 is positioned in the left-right direction by being guided by the side surface 3 when it is inserted. Further, the side surface 3 is formed in a slope shape that gradually expands from the inside of the housing 1 to the outside,
It is considered that the recording / reproducing cassette 4 to be inserted can be easily engaged.

The distance between the upper surface 5 and the lower surface 6 of the insertion port 2 is formed to be wider than the thickness of the pressed portion 4a provided at the substantially central portion in the insertion direction of the first recording / reproducing cassette 4, and The upper surface 4 and the lower surface 6 also have a slope shape that gradually expands toward the outside of the housing 1.

Further, at both end portions of the upper surface 5 and the lower surface 6 which are close to the side surface 3, a protruding portion that protrudes inward and vertically of the insertion port 2 is provided.
5a and 6a are formed. Projection 5a formed on the upper surface 5
The distance between the lower surface 7 of the recording medium and the upper surface 8 of the protrusion 6a formed on the lower surface 6 is equal to the thickness of the wide recording / reproducing cassette 4.
It is formed to have substantially the same vertical width as the thickness of the portion excluding 4a, and the upper and lower ends of the wide recording / reproducing cassette 4 are guided by the lower surface 7 and the upper surface 8. In addition, the lower surface 7 and the upper surface 8 are also formed in a slanted shape so that the outer sides of the housing 1 are also expanded.
And constitute a first guide portion 9 for guiding the first recording / reproducing cassette 4.

On the other hand, the facing surfaces 12 of the protruding portions 6a provided on the lower surface 6 that face each other are formed to have a width narrower than the lateral width of the first recording / reproducing cassette 4, such as a DAT (digital audio tape). The width of the second recording / reproducing cassette 11 is substantially the same as that of the second recording / reproducing cassette 11. When the second recording / reproducing cassette 11 is inserted into the insertion opening 2, both sides of the second recording / reproducing cassette 11 are slidably contacted with each other for lateral positioning. It is supposed to be. The opposite sides of the projecting portion 5a formed on the upper surface are located closer to the central portion of the insertion port 2 than the facing surface 12, and the lower surface of the portion deviated from the projecting portion 6a is in sliding contact. It is set as part 13. The space between the opposing sides of the protrusion 5a is slightly wider than the lateral width of the thick portion 4a provided in the first recording / reproducing cassette 4.

A distance between the sliding contact portion 13 and the lower surface 6 is formed to be substantially the same as the thickness of the second recording / reproducing cassette 11, and when the narrow recording / reproducing cassette 11 is inserted. By slidingly contacting the lower surface 6 and the sliding contact portion 13, the vertical positioning is performed. The lower surface 6, the facing surface 12, and the sliding contact portion 13 constitute a second guide portion 14 that guides the second recording / reproducing cassette 11.

By the way, a shutter device 15 as shown in a perspective view of FIG. 3 is provided on the back surface of the insertion slot 2 to prevent dust and the like from entering the housing 1. The shutter device 15 includes a first shutter 16 that covers the insertion port 2 and a second shutter 17 that is provided on the first shutter 16 and has substantially the same size as the second recording / reproducing cassette 11. It is configured.

A shaft 16a is integrally formed on the upper side of the first shutter 16 avoiding the insertion port 2, and the shaft 16a is integrally formed.
Both sides of the housing are pivotally attached to the housing 1. Therefore, the opening and closing of the insertion port 2 can be performed by rotating the first shutter 16 around the shaft 16a.

The first shutter 16 is urged toward the insertion port 2 side by an elastic body or the like (not shown), and stopped by contacting the back surface of the thick portion 1a.

Further, at the lower portions on both sides of the insertion opening 2, the engaging portions 18a are formed on the upper surface.
A locking member 18 formed with is pivotally fixed to the housing 1 through a pivotal portion 18b. The engaging portion 18a regulates the rotation of the first shutter 16 by engaging with the engaged portions 16b formed at the lower ends of both ends of the first shutter 16.

The locking member 18 is also biased toward the engaged portion 16b by an elastic body or the like (not shown), and the engagement between the engaging portion 18a and the engaged portion 16b is ensured. ing.

Further, the upper surface of the engaging member 18 between the engaging portion 18a and the pivoting portion 18b is exposed in the insertion opening 2, and the exposed portion is the wide recording / reproducing cassette. It is set as a pressing portion 18c to be pressed. Then, when the pressing portion 18c is pressed by the wide recording / reproducing cassette 11, the locking member 18 is rotated downward around the pivotal stop portion 18b, and the engaging portion 18a and the engaged portion 16b are formed. Is disengaged.

Further, a rectangular cutout portion 19 is formed in the central portion of the first shutter 16. The notch 19 is opened at the lower end of the first shutter 17, the upper edge thereof is formed at substantially the same height as the lower surface 8 of the protrusion 5a, and the left and right edges thereof are the protrusion 6a. Substantially coincides with the facing surface 12 of the.

The second shutter 17 is engaged with the cutout portion 19. The lower part of the second shutter 17 is the first shutter 4
Is extended downwardly from the lower end of the housing 1 and is provided on both sides of the extended portion. Freely pivoted.

The second shutter is also biased toward the insertion port 2 side by an elastic body or the like (not shown). Then, the upper end portion is stopped by contacting the inside of the casing 1 of the protruding portion 5a.

When the first recording / reproducing cassette 4 such as a compact cassette is inserted through the insertion opening 2 having such a configuration,
As shown in FIG. 3A, the left and right sides of the first recording / reproducing cassette 4 are slidably contacted with the side surfaces 2 of the insertion slot 2, and the upper and lower ends thereof are slidably contacted with the upper surface 7 and the lower surface 8 of the projecting portions 5a, 6a. By doing so, the position of the first recording / reproducing cassette 4 is adjusted. Since the first guide portion 9 composed of the upper surface 7, the lower surface 8 and the side surface 3 is expanded in diameter toward the outer side of the housing 1, it is extremely easy to engage with the insertion opening 2. Is possible.

In this state, when the first recording / reproducing cassette 4 is pressed toward the inside of the housing 1, the first recording / reproducing cassette 4 moves in the insertion slot 2 while being guided by the first guide portion 9,
As shown in FIG. 5 which is an explanatory view of the operating state, the pressing portion 18c of the locking member 18 exposed in the insertion opening 2 is pressed at its tip end. Then, the locking member 18 is locked by the pivoting portion 18b.
And the engagement portion 18a of the locking member 18 and the engaged portion 16b of the first shutter 16 are disengaged, and the rotation of the first shutter 16 becomes possible. Become.

Then, the front end of the first recording / reproducing cassette 4 presses the first shutter 16 to bring the first shutter 16 into contact with the inside of the thick portion 1a of the housing 1. The rotation of the second shutter 18 is started (state of FIG. 5 (b)). Next, when the rotation of the first shutter 16 and the second shutter 17 is completed, the insertion port 2 is completely opened (the state of FIG. 5 (c)). Then, the compact cassette 3 is held by the cassette holder arranged so as to face the insertion opening, and is transported to the installation place.

On the other hand, when the second recording / reproducing cassette 11 such as a DAT cassette is inserted through the insertion port 2, the lower surface of the second recording / reproducing cassette 11 is inserted into the insertion port 2 as shown in FIG. 3 (b).
The second recording / reproducing cassette 11 is vertically and horizontally positioned by slidingly contacting the lower surface 6 thereof, the upper surface thereof in sliding contact with the sliding contact portion 13 of the protruding portion 5a, and the side surface thereof in sliding contact with the facing surface 12. To do. The second guide portion 14 including the lower surface 6, the sliding contact portion 13, the facing surface 12 and the like is also formed in the shape of an inclined surface that widens toward the outside, so that the second recording / reproducing cassette can be easily positioned. It is possible to

Then, when the second recording / reproducing cassette 11 is moved inwardly of the casing 1 in this state, the second recording / reproducing cassette 11 is guided by the second guide portion 14 while the casing 1 is being guided. Of the first shutter 16 and reaches the notch 19 formed in the first shutter 16 and contacts the second shutter 17 arranged in this portion. In this case, the notch portion 19 and the second shutter 17 are provided corresponding to the second guide portion 14, and the second recording / reproducing cassette 11 is guided by the second guide portion 14. Therefore, there is no contact with the first shutter 16 and only the second shutter 17 is rotated (state of FIG. 6 (b)).

Even if a pressing force is applied to the first shutter 16 for some reason, both ends of the first shutter 16 are fixed by the locking members 18, so that the first shutter 16 is rotated. It does not move.

When the second recording / reproducing cassette 11 is further pressed, the second shutter 17 is rotated around the pivotal stop 17a (6th
(State of FIG. (C)), and is held by a cassette holder (not shown) which is arranged so as to face the insertion port 2,
Transported to the installation location.

In this embodiment, since the shutter device provided on the back surface of the insertion slot 2 is divided into the first shutter and the second shutter, the second recording / reproducing caet 11 which is small in size is formed. There is no effect that the entire surface of the insertion port 2 is opened when inserting the device, and thus dust and the like are prevented from entering the inside of the device.

In this embodiment, the first recording / reproducing cassette 4 and the second recording / reproducing cassette 11 are compact cassettes, D
Although the example set to the AT cassette has been described, these cassettes should not be limited to this example, and other formats such as a beta system video recording / playback cassette and a VHS registered trademark system video recording / playback cassette can be used. It is also possible to use it for the cassette.

Since the thickness of the insertion surface of the cassette to be inserted here is not determined by the width of the cassette, there is no problem even if the first cassette is wider and thicker than the second cassette.

[Advantages of the Invention] As described above, according to the recording / reproducing cassette insertion device of the present invention, a plurality of types of recording having different lengths in the width direction and the thickness direction of the insertion surface of the recording / reproducing cassette to be inserted. It is possible to insert the reproduction cassette into the same insertion opening, and it is possible to realize a compact device provided with this insertion device.

[Brief description of drawings]

1 to 6 relate to an embodiment of the present invention, and FIG. 1 is a front view of an apparatus showing an embodiment of the present invention, FIG. 2 (a),
(B) and (c) are side views showing cross sections along the lines AA, BB, and CC of FIG. 1, and FIGS. 3A and 3B are recording / reproducing cassettes thereof. FIG. 4 is a perspective view of the shutter device, FIG. 5 is an explanatory view showing the insertion state of the first recording / reproducing cassette, and FIG. 6 is a second recording / reproducing cassette. It is explanatory drawing which shows the insertion state of. 2 ... insertion slot 4 ... first recording / reproducing cassette 9 ... first guide 11 ... second recording / reproducing cassette 14 ... second guide

Claims (2)

[Scope of utility model registration request] 1. A first guide portion for guiding the width direction of the first recording / reproducing cassette at both widthwise ends of an insertion opening formed to have a width substantially the same as the width of the first recording / reproducing cassette, A second guide portion that guides a thickness direction of the first recording / reproducing cassette in both thickness direction end portions of the insertion opening, and a first guide portion inside the first guide portion. A third guide portion formed to have a width substantially the same as the lateral width of the second recording / reproducing cassette, which is formed narrower than the recording / reproducing cassette, and the first guide portion at both ends in the thickness direction of the second recording / reproducing cassette. An apparatus for inserting a recording / reproducing cassette, comprising: a fourth guide portion that guides in a thickness direction substantially the same as the thickness of the second recording / reproducing cassette. 2. A first shutter which covers the insertion opening, and a second shutter which is provided on the first shutter and has an area substantially the same as the insertion area of the second recording / reproducing cassette. An apparatus for inserting a recording / reproducing cassette according to claim 1, wherein: