JPH0229969A - Cassette loading device - Google Patents

Abstract

PURPOSE:To eliminate the need of attaching and detaching an adaptor and to improve the operability by positioning a pressing means into a position where it becomes a nonobstacle to the insertion of a small sized tape cassette at the time of inserting the cassette and positioning the cassette with the pressing means at the time of loading the cassette into a tape driving mechanism. CONSTITUTION:The adaptor 20 can be separated into an upper half 21 and a lower half 27, which are horizontally positioned by bosses 38 and 39 and shafts 40 and 41, and a holder 42 for holding the small sized tape cassette 33 is freely slidably disposed to the half 21. And, the half 27 is provided with a tape drawing mechanism including turning arms 29 and 31 and drawing pins 30 and 32 and a reel mechanism for driving reels of the cassette 33. Then, when the halves 21 and 27 under their separation state is inserted with the cassette 33 to be combined together, the pins 30 and 32 are positioned to the back side of a magnetic tape. By this method, the need of attaching and detaching the adaptor for the small sized tape cassette is eliminated, and the operability can be improved.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a cassette mounting device incorporating an adapter for small tape cassettes.

Conventional technology As a conventional technology, for example, Japanese Patent Application Laid-Open No. 1983-19350
There is a magnetic recording/reproducing device as shown in Publication No. 2.

The above-described conventional magnetic recording/reproducing device will be described below with reference to the drawings.

FIG. 11 is a perspective view of a conventional magnetic recording/reproducing apparatus, and FIGS. 12 and 13 are side views of an adapter in the apparatus shown in FIG. 11 and an automatic device attachment/detachment mechanism for a standard tape cassette. 1st
1 to 13, the magnetic recording/reproducing device 6o has an insertion slot 62 for a standard tape cassette (adapter) on the front panel 61 and an insertion slot 64 for a small tape cassette on the top plate 63.
has. There is a door 66 in the insertion slot 64 for the small tape cassette.
The back side is pivotally supported.

The device 60 is also provided with an automatic adapter (standard tape cassette) attachment/detachment mechanism shown in FIGS. 12 and 13. The cassette holder 66 is driven by a rack gear 68 on an L-shaped end surface of a side plate 67 by a pinion 69, and guide grooves 80, 81, . 82.

The operation of the conventional magnetic recording/reproducing apparatus configured as described above will be described below.

The small tape cassette adapter 72 is inserted into the cassette holder 66 at the position shown in FIG. 12 from the standard tape cassette (adapter) insertion opening 62. Cassette holder 6 into which adapter 72 for small tape cassette is inserted
6 is driven by a pinion 69 that meshes with a rack gear e8 formed on a side plate 67, and is guided into guide grooves 8Q and 81.82 between the position person and the standard tape cassette (adapter) mounting position B shown in FIG. The tape cassette is then moved through the small tape cassette storage/removal position C shown in FIG.

At position C, the small tape cassette insertion position of the small tape cassette adapter 72 inserted into the cassette holder 66 faces the small tape cassette insertion opening 64 of the top plate 63. Cassettes can be replaced.

Problems to be Solved by the Invention However, with the above configuration, when a standard tape cassette is installed in a magnetic recording/reproducing device, the small tape cassette adapter inserted in the device must be removed from the device. Must be stored outside. Furthermore, when using a small tape cassette, it is necessary to store an adapter outside the device and then insert the small tape cassette into the device, which is very cumbersome in terms of operability. .

In view of the above-mentioned problems, the present invention provides a cassette mounting device that has a built-in small tape cassette adapter for mounting a small tape cassette to the device, thereby improving operability.

Means for Solving the Problems In order to solve the above problems, the cassette loading device of the present invention includes a tape cassette insertion port into which a tape cassette is inserted;
A cassette holder that holds a standard tape cassette inserted from the tape cassette insertion slot; a small tape cassette holder that holds a small tape cassette inserted from the tape cassette insertion slot; an adapter having a means for pulling out the tape so as to be drawn out so as to be approximately equal to the running path; a mounting means for mounting either a standard type tape cassette or an adapter holding a small tape cassette on the tape drive means; and a standard type tape cassette by the mounting means. an adapter moving means for reciprocating the adapter between a first position where the tape cassette loading operation is not obstructed and a second position where the small tape cassette holder faces the tape cassette insertion slot;
The adapter includes a retaining means for engaging the adapter with the cassette holder or the adapter moving means, and a suppressing means for pressing the small tape cassette against the small tape cassette positioning member within the adapter by the action of the retaining means engaging the cassette holder. This is what I did.

Effects of the present invention In addition to the above-described configuration, when a standard tape cassette is installed in a device as in the past, the adapter inserted in the device can be detached from the device and stored outside the device. When using a small tape cassette, you can use a standard tape cassette without having to insert an adapter stored outside the device into the device and then insert the small tape cassette. It can be installed in the device simply by inserting a standard tape cassette into the cassette insertion slot.Also, when using a small tape cassette, it can be easily installed in the device by simply inserting the small tape cassette into the cassette insertion slot. can.

When inserting a small tape cassette, the suppressing means is located at a position that does not interfere with the insertion operation of the small tape cassette, so no extra force is required when inserting the small tape cassette, and the small tape cassette is attached to the tape drive mechanism. Sometimes, the small tape cassette is pressed against the positioning member by the suppressing means and positioned with high accuracy.

Example Hereinafter, an example of the cassette loading device of the present invention will be described.
The explanation will be based on the drawings.

FIG. 6 is a perspective view showing the appearance of an embodiment of a magnetic recording/reproducing device using the cassette loading device of the present invention. This magnetic recording/reproducing apparatus 1 has a tape cassette insertion slot 3 on a front panel 2. 7 to 9 are side views of essential parts showing a standard chief cassette mounting mechanism and a small tape cassette mounting mechanism incorporated in the apparatus 1. FIG. 7th
Vertical support plates arranged approximately vertically on the left and right sides of the tape drive mechanism 4 of the apparatus in FIGS. 9 to 9! , (6), a cassette holder 7 is movably provided. The protrusions 8 and 9 of the cassette holder 7 are connected to the vertical support plate es,
(cs), and the protrusion 8 is slidably engaged with guide grooves 10 and 11 provided in the vertical support plate s,
The drive arm 13 is slidably engaged with a groove 14 of a drive arm 13 rotatably supported by a shaft 12 mounted on the shaft 12 (es).

The drive arm 13 is configured to rotate around the shaft 12 by rotation of a cassette holder drive motor (not shown). When the drive arm 13 rotates counterclockwise in FIG. 7, the cassette holder 7 is guided by the guide groove 10.11, moves horizontally at first, and finally moves vertically, as shown by the dotted line in FIG. As described below, a standard chief cassette or a small tape cassette is attached to the tape drive mechanism. A pinion 16 is rotatably supported on a shaft 15 provided on the vertical support plate 5, (6), and the pinion 16 is configured to be rotationally driven by an adapter drive motor (not shown). . When the pinion 16 rotates, an elevator 18 having a rack 17 meshing with the pinion 16 moves up and down. FIG. 1 shows a front view of the essential parts of the cassette loading device of this embodiment. As shown in FIG. As the pinion 16 rotates, the adapter 2
The upper half 21 of 0 moves up and down.

Similarly, a pinion 24 is rotatably supported on a shaft 23 provided on the vertical support plates s and (e), and when the pinion 24 rotates, an elevator 26 having a rack 25 meshing with the pinion 24 moves up and down. As shown in FIG. 1, the lower half 27 of the adapter 2o is mounted on the elevator 26, so that when the pinion 24 rotates, the elevator 26 and the lower half 27 move up and down.

FIG. 10 shows the main structure of the lower half 27 of the adapter 2° built into the device. The gear 28 rotatably supported by the lower half 27 meshes with the rack portion (not shown) of the vertical support plate 6 shown in FIG. 7, and the adapter 20 changes from the state shown in FIG. 9 to the state shown in FIG. When the adapter 20 moves to the left, it rotates clockwise, and when the adapter 20 moves to the right in FIG. 9, it rotates counterclockwise. Since the internal structure of the adapter 2o is well known, we will not go into details, but in FIG. 10, when the gear 28 rotates clockwise, the pull-out pin 30 on the rotation arm
and by the pull-out pin 32 on the pivot arm 31.
The magnetic tape 34 is drawn out from the small tape cassette 33, and is configured to form a tape loop 36 that is approximately the same as the tape loop of a standard tape cassette, as shown by the dashed line. Further, when the gear 28 rotates counterclockwise, the rotating arm 29 and the rotating arm 31 move to the state shown by the dashed dotted line to shorten the tape loop, and the gear 36 takes up the tape in the small tape cassette 33. The magnetic tape is configured to be stored in the small tape cassette 33 by driving the reel 37.

As shown in FIG. 1, the adapter 20 has a structure that can be divided into an upper half 21 and a lower half 27.
The structure is such that the relative positions in the horizontal direction do not shift due to the bosses 38, 39 installed on the upper half 27 and the shafts 40, 41 installed on the lower half 27. Ueno-721 is a small tape cassette 33
A small tape cassette holder 42 holding the tape cassette holder 42 is arranged so as to be slidable in the left-right direction in FIG. The lower part -727 has the aforementioned rotating arm 29.31 and pull-out pin 30.
Tape drawer mechanism including 32 and small tape cassette 3
A second reel drive mechanism for driving the tape reels No. 3 is provided. Then, as shown in FIG. 1, the small tape cassette 33 is placed in a predetermined position of the small tape cassette holder 42 with the upper no. 21 and the lower no. 727 separated.
After inserting the upper part -721 and the lower part -727 as shown in FIG. 2, the pull-out pin 30, 32 is located.

The external dimensions of the adapter 2o when the upper half 21 and the lower half 727 are combined are approximately equal to the external dimensions of a standard tape cassette.

3 to 6 are plan views of the states shown in FIGS. 8 and 9, viewed from above the apparatus.

The latch 63 has shafts 61 and 6 mounted on the upper half 21.
2 and is slidably supported. The first protrusion 56 of the latch 63 can selectively engage with the engagement part 56 of the elevator 18, and the second protrusion 78 of the latch 53 can selectively engage with the engagement part 76 of the cassette holder 7. There is. latch 5
The pin 64 installed on the upper plate 7 in the state shown in FIG.
The latch drive member 69 is adapted to engage with a groove 76 of a latch drive member 69 that is slidably supported on shafts 57 and 58 that are erected on the shafts 57 and 58. Further, in the state shown in FIG. 7, the pin 64 is at a height that does not interfere with the mounting operation of the standard tape cassette by the cassette holder 7. The latch drive member 59 is configured to be able to reciprocate between the state shown in FIG. 4 and the state shown in FIG. 6 by a motor (not shown). Groove 75 of 5e
The latch 63, which is engaged by the pin 64, also moves back and forth, and the latch 63 is configured to selectively engage with the elevator 18 or the cassette holder 7.

Further, a pressing spring 83 is fixed to the latch 53 for pressing the small tape cassette 33 against positioning pins 84 and 85 erected on the lower half 27.

As shown in FIGS. 3 and 4, when the latch 63 is engaged with the elevator 18, the pressing spring 83 rides on the top surface of the elevator 18, and when the small tape cassette 33 is inserted as shown in FIG. Small tape cassette 33
The height is set so that it does not come into contact with the

Further, when the latch 63 is engaged with the cassette holder 7 as shown in FIG. 5, the suppression spring 83 falls into the notch 88 of the elevator 18 and presses the top surface of the small tape cassette 33 as shown in FIG. Then, the small tape cassette 33 is pressed against the positioning pins 84 and 85 installed in the lower nozzle 27 of the adapter 2o to position it.

Next, each operation will be explained with reference to the drawings.

The case where the standard tape cassette 46 is installed in the apparatus will be described. In FIG. 7, when the standard tape cassette 46 is inserted into the cassette insertion slot 3 as shown by the dashed line in the same manner as in the past, the cassette detection switch (not shown) detects the standard tape cassette 46 and drives the cassette holder. The motor (not shown) starts and the drive arm 13 rotates counterclockwise in FIG. 7 until it reaches the position indicated by the dotted line, so that the cassette holder 7 is also guided by the guide groove 10.11 and rotates counterclockwise in FIG. The standard tape cassette 46, which is held in the cassette holder 7, is slid to the position shown by the dotted line in FIG.

Next, the case where the small tape cassette 33 is installed in the apparatus will be described.

When you press the small tape cassette switch (not shown),
The cassette holder drive motor (not shown) rotates so that the cassette holder 7 moves to the intermediate position as shown in FIG. 8, and the adapter 2o and the cassette holder 7 do not overlap in plane as shown in FIG. Position cassette holder 7
After moving the cassette holder drive motor (not shown) stops rotating.

After that, the adapter moving motor (not shown) rotates,
The pinion 16 is rotated counterclockwise in FIG.
1-721 is raised from the position shown in FIG. 7 to the position shown in FIG. At the same time, the pinion 24 also rotates counterclockwise to connect the elevator 26 and the adapter 2 via the rack 25.
The lower half 27 of the o is raised from the position shown in FIG. 7 to the position shown in FIG. Up to the position shown in Figure 8 -727
When the pin 54 is raised in the latch 63, the pin 54 is engaged with the groove 76 of the latch drive member 59.

In the state shown in FIG. 8, the height relationship between the upper half 21 and the lower half 27 is such that the magnetic tape 34 does not come into contact with the pins 30 and 32 even when the small tape cassette 33 is inserted, as shown in FIG. The height position relationship is as follows.

Further, in the state shown in FIG. 8, the small tape cassette holder 42 is moved to the right in FIG. 8 within the upper half 21 in order to receive the small tape cassette 33 inserted from the cassette insertion opening 3.

When the small tape cassette 33 is inserted into the small tape cassette holder 42 through the cassette insertion slot 3 in the state shown in FIG. 8, the small tape cassette detection switch (not shown) is turned on and the small tape cassette holder drive mechanism (not shown) )
is operated, the small tape cassette holder 42 moves to the left in FIG. 8 while holding the small tape cassette 33, and the planar positional relationship between the small tape cassette 33 and the lower half 27 of the adapter 2o becomes the state shown in FIG. Become. At this time, the magnetic tape 34 passes through the pull-out pins 30 and 32, but as described above, they are in a height relationship that does not abut each other. Thereafter, the pinion 24 further rotates counterclockwise in FIG.
As shown in FIGS. 2 and 9, the upper half 21 and the lower half 2 are combined. At this time, the pull-out pins 30 and 32 are inserted into the back surface of the magnetic tape 34 in the opening of the small tape cassette 33. In addition, since the external dimensions of the combined adapter 20 are approximately equal to the external dimensions of the standard tape cassette 46, the cassette holder drive motor (not shown)
When the drive arm 13 is rotated clockwise in FIG. 9, the adapter 20 is attached to the cassette holder 7 as shown in FIG.

FIG. 3 is a plan view showing this state. Furthermore, in FIG. 3, when the adapter moving motor (not shown) rotates, the latch drive member 59 slides to the left in FIG. Then, the latch 53, which is engaged with the latch driving member 59 through the pin 54, also slides to the left in FIG.
The engagement relationship between the first protrusion 66 of the latch 63 and the engagement portion 66 of the elevator 18 is released, and the latch 63
The second projection 78 of the cassette holder 7 engages with the engaging portion 76 of the cassette holder 7, resulting in the state shown in FIG.

At this time, the suppression spring 83 fixed to the latch 53 similarly moves to the left in FIG. 3, and moves to a position where it overlaps the notch 88 provided in the elevator 18 in a plane, as shown in FIG. As shown in FIG. 2, the small tape cassette 33 is positioned by pressing against positioning pins 84 and 85 provided on the lower half 27.

After that, the cassette holder drive motor (not shown) is turned on again.
When the drive arm 13 is rotated counterclockwise in FIG. 9, the cassette holder moves in exactly the same manner as when the standard tape cassette 46 is mounted. This time, the cassette holder 7 is an adapter 2 with a built-in small tape cassette 33.
The adapter 20 is attached to the tape drive mechanism 4. Therefore, the small tape cassette 33 is attached to the tape drive mechanism.

Of course, when the cassette holder 7 moves to the left in FIG. 9 from the state shown in FIG.
0.32 moves to the position shown by the dashed line in FIG. 10, so the magnetic tape running path on the front side of the adapter 2o before installation is approximately the same as the magnetic tape running path of a standard tape cassette. Adapter 2o
Even if the tape drive mechanism 4 is attached to the tape drive mechanism 4, the same problem does not occur.

Effects of the Invention As described above, the cassette loading device of the present invention includes a tape cassette insertion opening into which a tape cassette is inserted, a cassette holder that holds a standard tape cassette inserted from the tape cassette insertion opening, and a tape cassette insertion opening into which a tape cassette is inserted. A small tape cassette holder for holding an inserted small tape cassette, an adapter having a tape pull-out means for drawing out the magnetic tape in the small tape cassette so that it is approximately equal to the tape running path of a standard tape cassette, and a standard tape cassette or a small tape cassette. A mounting means for mounting one of the adapters holding a tape cassette onto the tape drive means, and a small tape cassette holder facing the tape cassette insertion slot and a first position that does not interfere with the mounting operation of the standard tape cassette by the mounting means. an adapter moving means for reciprocating the adapter to a second position; a retaining means for engaging the adapter with the cassette holder or the adapter moving means; By providing the tape cassette positioning member with a pressing means for pressing the small tape cassette, when a standard tape cassette is installed in the device as in the past, the adapter inserted in the device can be removed from the device. When using a small tape cassette, there is no need to insert the adapter stored outside the device into the device and then insert the small tape cassette. When using a standard tape cassette, simply insert the standard tape cassette into the cassette insertion slot to attach it to the device, and when using a small tape cassette, insert the small tape cassette into the cassette insertion slot. When inserting a small tape cassette, the suppressing means is located at a position that does not interfere with the insertion operation of the small tape cassette, so no extra force is required when inserting the small tape cassette. Further, when the small tape cassette is mounted on the tape drive mechanism, the small tape cassette is pressed against the positioning member by the pressing means and positioned with high precision.

[Brief explanation of the drawing]

1 and 2 are front views of the main parts of a cassette loading device according to an embodiment of the present invention, FIGS. 3 to 6 are plan views of the main parts, and FIG. 6 shows the external shape of the magnetic recording and reproducing apparatus. FIG. 7 is a side sectional view of the main part when using a standard tape cassette, FIGS. 8 and 9 are side sectional views of the main part when using a small tape cassette,
Figure 10 is a plan view of the main part of the lower nose of the adapter;
The figure is a perspective view showing the appearance of a conventional magnetic recording and reproducing device.
2 and 13 are side views of main parts showing one operation mode of the adapter attachment/detaching mechanism. 1...Magnetic recording and reproducing device, 2...Front panel, 3...Cassette insertion slot, 4...
-Tape drive mechanism, s, (e)... Vertical support plate, 7... Cassette holder, 13... Drive arm, 16... Binion, 17.・・・・・・
Rank, 18...Elevator, 2o...
・Adapter, 21...Top half, 24...
... Binion, 25 ... Rack, 26 ...
...Elevator, 2nd place...--Lower half, 29...
...Rotating arm, 3o...Drawer pin, 3
1...Rotating arm, 32...Drawer pin, 33...Small tape cassette, 34...
...magnetic tape, 38.39 ...boss, 4
0.41...Shaft, 42...Small tape cassette holder, 53...Latch, 59...
...Latte drive member, 83...Press spring. Name of agent: Patent attorney Shigetaka Awano and 1 other persone

Claims (1)

[Claims] a tape cassette insertion slot into which a tape cassette is inserted; a cassette holder that holds a standard tape cassette inserted from the tape cassette insertion slot; a small tape cassette holder and small size that hold a small tape cassette inserted from the tape cassette insertion slot; an adapter having a tape pull-out means for pulling out the magnetic tape in the tape cassette so as to be approximately equal to the tape running path of the standard tape cassette; and an adapter holding the standard tape cassette or the small tape cassette. a mounting means for mounting one of the tape cassettes on the tape drive means; a first position where the mounting means does not interfere with the mounting operation of the standard tape cassette; and a second position where the small tape cassette holder faces the tape cassette insertion slot. an adapter moving means for reciprocating the adapter; an engaging means for engaging the adapter with the cassette holder or the adapter moving means; the engaging means being in the adapter by the action of engaging the cassette holder; A cassette mounting device comprising a pressing means for pressing the small tape cassette against a small tape cassette positioning member.