JPS63211154A - Tape cassette loading device - Google Patents

Abstract

PURPOSE:To load a cassette to a prescribed loading position by a simple constitution by advancing a cassette holder from the cassette, moving a blocking plate on the bottom of the cassette and opening a reel shaft inserting hole. CONSTITUTION:The tape cassette 1 is loaded and set up on the holder 32, a supporting member 42 and the holder 32 are moved in the left direction by driving a motor, the blocking plate 10 of the cassette is also unlocked and moved relatively to the cassette in the left direction, and the reel shaft inserting hole 8 is opened. A supporting arm 49 is rotated around a supporting shaft 51 in the counterclockwise direction in accordance with an operation member 55, the holder 32 and the cassette 1 are pressed downward, a reel shaft is penetrated into the insertion hole 8, and a front rid 9 of the cassette is opened so as to draw out the tape. Thereby, the blocking plate 10 of the cassette can be opened/closed and the cassette can be set up on the prescribed loading position by the simple constitution.

Description

[Detailed Description of the Invention] A. Field of Industrial Application The present invention relates to a tape cassette mounting device applied to a magnetic recording/reproducing device such as a cassette type tape recorder, and particularly relates to a tape cassette mounting device applied to a magnetic recording/reproducing device such as a cassette type tape recorder. A closing plate that accommodates a pair of tape reels and opens and closes an insertion hole formed on the bottom of the cassette case for inserting a reel shaft that engages with the tape reel, and the magnetic tape are pulled out to the outside of the cassette case. The present invention relates to a cassette mounting device in which a tape cassette having a front cover that can be opened and closed on the front side is mounted at a predetermined cassette mounting position.

B0 Summary of the Invention The present invention includes a cassette case that stores a pair of tape reels wound with magnetic tape, and a closure plate that opens and closes, and a front side from which the magnetic tape is pulled out to the outside of the cassette case that can be opened and closed. The cassette holder, which is disposed on the bottom side of the cassette holder into which a tape cassette with a front cover to cover is inserted and held, is moved forward and backward with respect to the cassette holder, thereby moving the closing plate and inserting the reel shaft. The closing plate of the tape cassette is opened and closed by opening and closing the general-purpose insertion hole and by moving the cassette holder up and down with respect to the cassette holder to load and unload the tape cassette to a predetermined cassette mounting position. This is an attempt to simplify the mechanism.

BACKGROUND OF THE INVENTION Conventionally, digital audio tape recorders have been proposed in which audio signals are pulse-coded and recorded.

In this type of tape recorder, recording signals are lost in the magnetic portion of the recording medium, making it impossible to maintain good recording and reproducing characteristics. Therefore, in order to prevent the intrusion of dust and dirt, the tape cassette that stores the magnetic tape used in the above tape is constructed so that the insertion hole for the reel shaft can be sealed during storage when it is not inserted or mounted in the device. has been done. That is, the front side of the tape cassette, which is the magnetic tape drawer side, is covered with a front lid that opens and closes the front side by rotating with a lid opening/closing member, and the reel shaft insert provided on the bottom side of the tape cassette. The general-purpose insertion hole is covered with a closing plate that opens and closes the insertion hole.

In a digital audio recorder that uses a tape cassette as a recording medium that is equipped with a closing plate that opens and closes the insertion hole for inserting the reel shaft, the cassette transport body including the cassette holder that holds the tape cassette is attached to the tape recorder body. By moving the tape cassette in and out of the tape recorder, the tape cassette can be transferred to the outside of the tape recorder body.

A tape cassette mounting device configured to transport a tape cassette between a position where a tape cassette can be inserted and removed and a tape cassette mounting position within the tape recorder body, and to open and close the closing plate and front cover in connection with the transport operation. A device has been proposed.

This cassette loading device has a cassette transporting body that includes a transporting body that is horizontally moved in and out of a casing that constitutes a tape recorder body, and a cassette holder that is vertically movably supported by this transporting body. A tape cassette equipped with a closing plate is inserted and held, the cassette transfer body is moved to the cassette mounting position within the housing, and the cassette holder is lowered to move the tape cassette to a predetermined cassette mounting position. This allows you to put it on and operate it. A cassette moving operation mechanism is provided in a part of the cassette transporting body, and when the cassette transporting body is moved toward the cassette loading position, the cassette transporting body is moved and operated to move the tape cassette. is pressed from the rear side, and this pressing operation moves the tape cassette from the temporary mounting position in the cassette transfer body onto the cassette holder, and also moves the cassette case relative to the closing plate to open the insertion hole for inserting the reel shaft. It is configured to open the .

D0 Problems to be Solved by the Invention The cassette loading device configured as described above operates the cassette moving operation mechanism in conjunction with the movement of the cassette transfer body to press the tape cassette from the back side, thereby loading the cassette case. Since the tape cassette is configured to be moved relative to the closing plate, a cassette movement operation mechanism is required in addition to the cassette holder that constitutes the cassette transfer body in which the tape cassette is held, making the configuration of the cassette loading device complicated. There is.

In addition, since the cassette mounting device moves the cassette to open and close the closing plate of the tape cassette, in order to reliably open the reel shaft insertion hole, it is necessary to It is necessary to accurately control the operation of the cassette moving operation mechanism, which not only complicates the control of the operation of the moving operation means of the cassette transfer body and the cassette moving operation mechanism, but also makes each mechanism complicated.

Therefore, the present invention provides a tape cassette that enables the closure plate of the tape cassette to be opened and closed using a simple mechanism, and that enables the reel shaft insertion hole to be opened reliably and the tape cassette to be installed at a predetermined cassette installation position. This was proposed for the purpose of providing a mounting device.

Means for Solving E0 Problems The present invention solves the problems of the conventional device as described above and achieves the above object by providing a pair of magnetic tapes wound inside a cassette case. a closing plate that houses the tape reel and opens and closes an insertion hole for inserting a reel shaft that engages with the tape reel formed on the bottom surface of the cassette case; and a front surface from which the magnetic tape is pulled out to the outside of the cassette case. A locking means for locking a closing plate of the tape cassette is provided on the bottom side of the cassette holder into which a tape cassette having a front lid that can open and close the side is inserted and held, and the tape cassette is movable forward and backward with respect to the cassette holder. The tape cassette is supported and is supported to be vertically movable between a raised position where the tape cassette can be attached to and removed from the cassette holder and a lowered position where the tape cassette can be attached to the cassette mounting position. A cassette holder is provided, and by moving only this cassette holder, the closing plate is moved to open and close the reel shaft insertion hole, and the tape cassette is moved to the cassette mounting position by moving the cassette holder up and down. This allows loading and unloading operations.

F0 action In the present invention, when a tape cassette is held by a cassette holder and the cassette holder is moved forward with respect to the cassette holder, the closing plate of the tape cassette 7) is locked by the locking means provided on the cassette holder. The reel shaft insertion hole is moved relative to the cassette case together with the force center holder, and the reel shaft insertion hole is opened. Following the opening operation of the reel shaft insertion hole, the tape cassette is mounted at a predetermined tape cassette mounting position by inserting the reel shaft into the reel shaft insertion hole by lowering the cassette holder.

G. Example Hereinafter, an example of the present invention will be described with reference to the drawings.

The tape cassette mounting device according to the present invention is movably attached to the bottom side of a cassette case, and closes an insertion hole for inserting a reel shaft that engages with a reel hub of a tape reel formed on the bottom side of the cassette case. A tape cassette is provided with a closing plate that is moved to a position where the insertion hole is opened by being released from the locking by the cassette/throat case locking means and moved relative to the cassette case when the tape cassette is in the position, i.e. A tape force set for PCM audio is mounted at a predetermined tape cassette mounting position.

G-1 Tape Cassette To further explain the tape cassette 1 that is mounted by the tape cassette mounting device according to the present invention, this tape cassette 1, as shown in FIGS. 5 and 6,
A pair of tape reels 6.7 are rotatably supported in the cassette case 2, which is constructed by butt-joining the upper and lower halves 3.4, and the magnetic tape 5 is wound between these tape reels 6.7. equipped. A front cover 9 is rotatably attached to the front side of the cassette case 2 from which the magnetic tape 5 is pulled out, and the tape cassette is not inserted into or installed in the tape recorder.
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It is constructed so as to protect the magnetic tape 5.

Also, on the bottom side of the cassette case 2, there are
As shown in FIG. 8 and FIG. 8, a closure vi10 that closes the pair of reel shaft insertion holes 8, 8 formed in the bottom of the cassette case 2 when not in use is attached so as to be slidable in the front and back direction. It is being This closing plate 10 is formed in a U-shape so as to cover both sides from the bottom of the cassette case 2, and has guide protrusions 13, 13 protruding from opposite side plate parts 12, 12 of the bottom 11, respectively. are engaged with guide grooves 14 and 14 provided on both sides of the cassette case 2, and are slidably attached to the cassette case 2 in the front-rear direction.

As shown in FIG. 7, a pair of projecting pieces 15, 15 are protruded from the front edge of the closing plate 10, and a torsion spring 1, which will be described later, is provided.
When the closing plate 10 is biased and moved by 8, it is locked to the front side of the cassette case 2 to restrict the movement position of the closing plate IO.

Note that notches 9a, 9a are formed to serve as relief portions when the projecting pieces 15, 15 are moved relative to the front cover 90, respectively.

Furthermore, as shown in FIG. A space 16 for inserting a tape loading mechanism provided on the side of the tape recorder that is pulled out and guided in the path is formed. A torsion spring 18 is attached to one side of this space 16 via a support 17, and one end of this torsion spring 18 engages with a piece 19 of a spring catch protruding from the front edge of the closing plate IO. , the above-mentioned occlusion plate lO
is urged to move toward the front of the cassette case 2, which closes the space 16 and the insertion hole 8.8.

Further, the bottom plate portion 11 of the closing plate 10 has a pair of through holes 20.
20 is formed, and when the closing plate lO is retreated, the through hole 20 is formed as shown by the two-dot chain line in FIG.
．． 20 is aligned with insertion holes 8, 8 formed in the bottom plate of the lower half 4, so that a reel shaft for driving a reel provided in the PCM audio tape recorder can enter into the cassette case 2. And the occlusion plate 10
is moved forward to close the lower side of the space 16 of the cassette case 2, as shown in FIG.
The positions of the insertion holes 8 and 8 are shifted from each other.
8 is closed by the bottom plate portion 11 of the closing plate 10.

Furthermore, on both sides of the front side of the bottom plate part 11 of the closure plate 10,
Shallow grooves 22, 22 are formed in the bottom plate of a cassette holder constituting a cassette mounting device to be described later, into which protrusions serving as lock release means for unlocking the locking means of the closing plate 10 enter. There is. These shallow 122
．． 22 is formed by opening the front edge side of the closing plate 10 in the front-rear direction of the closing plate 10 . In each of the shallow grooves 22, 22, a cassette closing plate 10 is a locking means for locking the closing plate 10 at the cassette case position and at the open position where the audio insertion holes 8.8 of these openings 16 are opened. An engagement hole 26.26 and an engagement notch 25.25 are formed in which the engagement protrusion 24.24 and engagement notch 24.24 of the lock piece 23.23 provided on the case 2 engage, respectively.

As shown in FIGS. 6 and 8, when the closing plate 10 is closed, the engagement hole 2 provided in the closing plate 10 is
6, 26 lock piece 23. 23 tip retaining protrusion 24.2
4 are engaged with each other to prevent the closing plate IO from moving toward the open position.

G-2 Tape cassette mounting device Closing plate 10 of tape cassette 1 configured as described above
The tape cassette loading device according to the present invention, which moves the tape cassette 1 and loads the tape cassette 1 into a predetermined cassette loading position, is a part of the tape recorder body of a digital audio tape recorder. ! phantom harm lead 6 handles
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6) 1 4.

A cassette holder 3 disposed on the bottom side of the cartridge holder 31
2 as the main constituent elements.

As shown in FIG. 1, the cassette holder 31 is formed into a frame shape with a size approximately corresponding to the external shape of the tape cassette throat 1 described above, and can hold the tape cassette l while regulating its insertion position. It is formed like this. A cassette holder 32 on which the tape cassette 1 inserted and held in the cassette holder 31 is placed is disposed on the open bottom side of the cassette holder 3I. As shown in FIG. 1, this cassette holder 32 has rising walls 34 and 3 on both sides of a mounting plate 33 on which the tape cassette 1 is mounted.
The tape reel 6 of the tape cassette 1 is inserted into the reel shaft insertion hole 35, 35, through which the reel shaft for carrying the tape reel 6 of the tape cassette 1 is inserted. Further, on both sides of the mounting plate 33, protrusions 15 are provided on the closing plate 10 of the tape cassette 1 so as to protrude slightly rearward.

A pair of closing plate locking pieces 36, 36 are formed upright. Furthermore, a wall 34 rises from the rear end side of the mounting plate 33 and from the side of the closing plate locking pieces 36, 36.

The closing plate 1 of the tape cassette 1 is located at a position closer to the 34 side.
A lock piece 23 provided on the cassette case 2 that locks the 0.
Protrusions 37, 37 are formed to press and operate 23, respectively. Further, on the upper end side of the rising piece 34, 34, a cassette pressing member 38, 38 that presses and supports the upper surface of the tape cassette 1 placed on the mounting plate 33 is projected onto the surface of the mounting plate 33. It is provided.

The cassette holder 32 formed in this way has a feed screw 39 and a slide guide shaft 4 arranged square to each other.
The cassette holder is supported via a cassette holder support member 42 which is rotatably supported by a feed guide member 41 which is disposed over the entire length of the cassette holder. The feed guide member 41 that supports the cassette holder support member 42 is constructed by providing a pair of slide guide arms 44, 44 in parallel with each other on both sides of a connecting plate 43. The feed guide member 41 is constructed by screwing and inserting a feed guide block 45 having a screw hole attached to the outer surface of one slide guide arm 44 into the feed screw 39.
A slide guide block 46 attached to the outer surface of the slide guide shaft 40 is inserted through and supported by the slide guide shaft 40, and the feed screw 39 is rotated by a drive motor 47 to be guided by the feed screw 39 and the slide guide shaft 40. is moved and operated.

As shown in FIG. 1, the cassette holder support members 42 supported by the feed guide member 41, which is fed by the rotation of the feed screw 39, are arranged in pairs parallel to each other at both ends of the connecting plate 48. The cassette holder support arms 49 and 49 are connected to form a substantially H-shape. And the cassette holder support arm 49.4
Insertion holes 50, 5 bored at the lower end of the 48 examples of the above-mentioned connecting plates No. 9
0 is engaged with the slide guide 51 of the feed guide member 41, and is rotatably supported by the feed guide member 41. In addition, the cassette holder support member 4
A tension spring 52 is stretched between the connecting plate 48 of No. 2 and the connecting plate 43 of the feed guide member 41, and the cassette holder support member 42 is biased to rotate above the feed guide member 41 example. At this time, the upper end surface of the cassette holder support arms 49 and 49 of the cassette holder support member 42 is connected to the slide guide arm 44 of the feed guide member 41.
, 44 are abutted and locked by locking pieces 53, 53 formed by bending the upper ends thereof, and the rotationally biased position by the tension spring 52 is regulated. Further, the cassette holder support member 42 is pressed by a rotation operation member 55, which will be described later, from a pressed operation shaft 54 provided protruding from the rear end of the other cassette holder support arm 49. It is rotated against the biasing force of the tension spring 52.

As described above, the cassette holder 32 is rotated by the tension spring 52, and the support shaft 55.55 protruding from the outer surface of the upper end of the rising wall 34.34 is attached to the cassette holder support arm 40.40 of the cassette holder support member 51. It is rotatably supported by the cassette holder support member 51 by being pivotally supported by an engagement 7L56.56 bored at the tip of the cassette press member 51, and can be moved up and down when the cassette pressing member 51 is rotated. installed. Further, a rotation regulating pin 57 is provided on one of the upright walls 34 of the cassette holder 32 and is positioned forwardly with respect to the support shaft 55.
is provided protrudingly, and the rotation regulating pin 57 is fed to the guide member 4.
The cassette holder 32 is moved up and down in parallel to the feed guide member 41 by engaging with a rotation regulating groove 59 formed in a curve corresponding to the movement locus formed in the other slide guide arm 44 of the cassette holder 32. It is made to be done.

G-3 Mounting operation of tape cassette In the tape cassette/gutter mounting apparatus configured as described above, the operation of mounting the tape cassette/gutter 1 at a predetermined tape cassette mounting position in, for example, a tape recorder will be described.

First, in order to mount the tape cassette 1 at a predetermined tape cassette mounting position, the drive motor 47 is driven in reverse to return the feed guide member 41 to the starting position as shown in FIG. The supported cassette/7t holder 32 is placed in a retracted position relative to the cassette holder 31. At this time, the skein/bottom holder support member 42 is not rotated by the rotation operation member 55, and the skein/groove holder 32 is pulled to correspond to the bottom surface of the cassette holder 31 by the biasing force of the spring 52. Leave it in the raised position.

When the tape cassette 1 is inserted into the cassette holder 31 with the front lid 9 side facing the cassette throat holder 32 side, the tape cassette 7) 1 is regulated in horizontal position by the cassette holder 31. The cassette holder 32 is placed on the mounting plate 33 of the cassette holder 32 in the raised position. When the tape cassette 1 is inserted and held in the cassette holder 31 in this way, the drive motor 47 is driven to rotate in the normal direction.
By rotating the feed screw 39, the feed guide member 41 is moved toward the cassette holder 31 in the direction of arrow A in FIG. 2. When the feed guide member 41 is moved in the direction of arrow A in FIG. 2, the cassette holder support member 42 and the cassette holder 32 supported by the guide member 41 are also moved in the same direction. That is, the cassette holder 32 is moved in the forward direction of the arrow in FIG. 2 relative to the cassette holder 31. When the cassette holder 32 is moved forward, the tape cassette 1 whose position is regulated by the cassette holder 31 is moved relative to the force center holder 32, and the front end on the front surface M9 side is placed +l13.
3 is held between the cassette pressing members 38 and 38.

At this time, the closing plate 10 of the tape cassette 1
, 15 is the closing plate locking piece 36 of the cassette holder 32.
．． It is locked at 36. In addition, the cassette holder 32
When the cassette holder 32 moves forward, the protruding members 37 and 37 protruding from the mounting plate 33 of the cassette holder 32 move from the shallow end formed on the bottom surface 11 of the cassette case 2. 122.22, push up the engagement protrusion 24.24 at the tip of the lock piece 23.23 provided on the bottom surface 11 of the cassette case 2,
The lock of the closing plate 10 is released to make the closing plate 10 slidable.

When the cassette holder 32 further moves forward in the direction of arrow A in FIG. 2, the closing plate 10 is moved relative to the cassette case 2 to the position shown in FIG. The insertion hole 8°8 provided in the reel shaft is opened. The movement position of the cassette holder 32 is regulated by controlling the amount of rotation of the drive motor 47 or by providing a stopper member on the feed screw 39 to restrict the movement position of the feed guide member 41.

When the cassette case 2 is in the reeling state as described above, the pressed operation shaft 54 provided at the rear end of the other cassette holder support arm 49 of the cassette holder support member 42 is moved toward the tape recorder main body, for example. It reaches a position facing the rotation operation member 55 provided. Here, when the rotation operation member 55 is rotated in the direction of arrow B in FIG. 4 by a rotation drive means (not shown), the pressed operation shaft 54 is pressed in the same direction, and the cassette holder support member 42 is pulled. It is rotated about the support shaft 51.51 against the urging force of the spring 52 in the direction of arrow C in FIG. 4, which is below the cassette holder 31. When the cassette holder support member 42 is rotated in the direction of arrow C in FIG. It is moved downward, in the direction of the arrow in FIG. 4, while maintaining the horizontal state. In this way, the cassette holder 32
When the tape cassette 1 placed on the cassette holder 32 is moved, for example, the reel shaft 60 is inserted into the insertion holes 8, 8 for inserting the reel shaft 60 provided in a tape recorder. It engages with the tape recorder reel 6.7 and is placed in a predetermined tape cassette W loading position.

During the lowering operation of the cassette holder 32, the front cover opening operation member 61 comes into contact with the front cover 9 of the tape cassette 1, and rotates the front cover 9 to open the tape cassette 1.
The front side of the magnetic tape 5 is opened and the magnetic tape 5 extends on the front side.
is made to face the outside of the cassette case 2, and can be pulled out by a predetermined loading mechanism provided on the tape recorder side, for example.

In order to load or unload the tape cassette 1 from a predetermined tape cassette loading position, the drive motor 47 is driven in the reverse direction and the feed guide member 41 is operated in the opposite direction to the loading operation described above.
Since this is performed by moving the , a detailed explanation of the operation will be omitted.

G-4 Other Embodiments In the above-described embodiments, the cassette holder 31 is configured to be fixed to a part of the tape recorder main body, but the entire device including the cassette holder 31 is attached to the tape recorder main body. The cassette holder 3 is movable relative to the cassette holder 3.
After the entire device including 1 is retracted into the tape recorder main body, the forward transport guide member 41 is moved as described above, the cassette holder support member 42 is rotated, and the cassette holder 32 is lowered. It may be configured.

H1 Effects of the Invention As described above, the present invention allows a tape cassette to be held by a cassette holder, and by moving the cassette holder forward with respect to the cassette holder, the tape cassette is locked by a locking means provided on the cassette holder. The reel shaft insertion hole is opened by moving the closing plate of the tape cassette together with the cassette holder relative to the cassette case, and following this opening operation of the reel shaft insertion hole, the tape cassette is reeled. Since the reel shaft is inserted into the shaft insertion hole and installed at a predetermined tape cassette installation position, a cassette movement operation mechanism, etc., as in conventional cassette installation devices is not required, and the configuration is simplified. .

Further, since the opening/closing operation of the closing plate can be controlled only by controlling the amount of movement of the cassette holder, the setting for opening/closing the closing plate is easy, and the reel shaft insertion hole can be opened reliably.

[Brief explanation of the drawing]

FIG. 1 is an exploded perspective view showing the cassette loading device according to the present invention, FIG. 2 is a side view of the tape cassette inserted into the cassette holder, and FIG. 3 is a side view of the cassette holder being moved. FIG. 4 is a side view showing a state in which the closing plate is opened, and FIG. 4 is a side view showing a state in which the tape cassette is mounted on a predetermined cassette mounting device by lowering the cassette holder. - An example of the tape cassette is shown, FIG. 5 is a perspective view from the top side of the tape cassette, FIG. 6 is a perspective view from the bottom side, and FIG. 7 is an open insertion hole for inserting the reel shaft. FIG. 8 is a bottom view showing a state in which the insertion hole for inserting the reel shaft is opened and closed. 1...Tape cassette 2...Cassette case 8...Insertion hole 9 for reel shaft insertion...Front cover IO...Closing plate 31...Cassette holder 32...Cassette holder 33. ...R placing plate 36.36...Closing plate locking piece 37.37...Protrusion portion 38.38...Cassette pressing member 39...Feed screw 42...Cassette holder support member 52...・Tension spring

Claims (1)

[Claims] A pair of tape reels wound with magnetic tape are housed in a cassette case, and an insertion hole for inserting a reel shaft that engages with the tape reel is formed in the bottom of the cassette case. A cassette holder into which a tape cassette is inserted and held, which has a sliding plate that opens and closes and a front cover that can be opened and closed to cover the front side from which the magnetic tape is drawn out of the cassette case; and a sliding plate of the tape cassette. The tape cassette is provided with a locking means, which is disposed on the bottom side of the cassette holder, is supported to move forward and backward with respect to the cassette holder, and allows the tape cassette to be attached to and removed from the cassette holder. A tape cassette mounting device comprising a cassette holder supported vertically and movably between a raised position and a lowered position where the tape cassette can be mounted at a cassette mounting position.