JPS6250901B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a digital audio disk, a video disk player, etc. in which a recording medium such as a disc or a record is loaded into the back of a door provided at the front of the housing. The present invention relates to an elevator device in which the fuel is automatically inserted downward to a loading position or discharged upward along the back side of the door in conjunction with the opening/closing operation of the door.

Recently, digital audio discs (hereinafter referred to as
Research and development is progressing on DAD (referred to as DAD) or video disk players, but the disks used in these types of players have a diameter of, for example,
It is formed to be small and thin, with a thickness of about 1.2 mm, and the information recorded is formed in the form of high-density pits of about a few microns.

Therefore, when handling this type of disc, you must avoid touching the recording surface directly with your hands or fingers to prevent staining or damage to the recording surface. It requires extremely delicate handling compared to other methods. especially,
When loading this type of disc vertically into the front of the casing facing the back of the player's door, if you had to manually operate it, you would have to use your hands and fingers every time you loaded the disc. It is necessary to insert the disk into the back of the door and insert or pull it out from above the door into the loading position, and in doing so, your fingers may touch the recording surface and stain it, making the operation extremely complicated. , as mentioned above, requires special consideration in its handling and is extremely difficult and troublesome. Therefore, it is necessary to automate the insertion and ejection operation during disk loading.

By the way, in order to perform such an insertion/ejection operation automatically, it is necessary to provide an elevator means for supporting the disk, inserting it downward to the loading position along the back of the door, and ejecting the disk from there. There is. As this elevator means, for example, a pair of disk supports is provided on the back of the door so as to be movable up and down, and a wire mechanism or the like for pulling and driving the supports up and down is stretched on the inside of the door, and this wire is connected to the support. It is conceivable to provide a wire feeding means that utilizes the tensile action of a coil spring or the like to feed or rewind the wire according to the vertical movement.

However, simply installing such a wire mechanism on the inner surface of the door may cause wobbling in the movement of the disk support, or the left and right supports may not be synchronized. If the disk is pulled and driven evenly up and down by a distance of In extreme cases, it may become difficult to move both supports up or down in the same direction, which can lead to extremely difficult problems. Moreover, in such a wire mechanism, it is necessary to let out or let out the wire in the pulling direction of the support body by a length corresponding to the raising or lowering distance of the disk, and therefore the wire must be extended by that length. . Therefore, if the above-mentioned wire feeding means that utilizes the tensile action of a coil spring is directly applied to such a wire, in addition to the above-mentioned extension length, the length approximately corresponds to the working distance of the spring. It is necessary to add additional length, and due to restrictions such as installation space, special consideration is required for the configuration, making the tensioning of the wire extremely difficult and troublesome, and the tensioning structure becomes complex, requiring less installation space. Since a large door is required, the structure of the door becomes complicated and large, resulting in the problem that the device cannot be made more compact.

This invention was made in view of the above points, and its purpose is to provide a pair of supports for supporting the recording medium when the recording medium, such as the above-mentioned disk, is inserted downward into or ejected upward to the loading position on the front surface of the casing opposite to the back of the door. The support can be moved up or down evenly without any wobbling, always in the same direction and with the same amount of movement, and the up or down movement of the recording medium can be done in the correct posture without vertical positional deviation in the horizontal direction. An object of the present invention is to provide an elevator system that can operate smoothly and satisfactorily.

A further object of the present invention is that the wire mechanism for pulling the support can be extremely easily tensioned using the shortest path suitable for upward or downward movement of the support, and that the tension structure can also be compactly installed on the inner surface of the door. It is an object of the present invention to provide an elevator device which is simple and can be assembled and which can reduce the installation space.

Hereinafter, one embodiment of the present invention will be described in detail based on the drawings.

FIG. 1 shows an example of the front structure of a DAD player to which the present invention is applied. In the figure, a door 2 is supported by a hinge on the front surface of a housing 1 so as to be openable and closable. A turntable 4 is vertically supported on a chassis base 3 at approximately the center of the front surface of the housing 1 so as to face the back surface of the door 2, and is driven in a predetermined manner by a drive motor (not shown) disposed inside the housing 1. It is designed to be rotationally driven in the direction. For example, this turntable 4 has a diameter of 12 cm and a thickness of
A so-called compact disk 5 of about 1.2 mm is loaded vertically.

On the front side of the casing 1, on the left side of the turntable 4 in the drawing, there is provided a drive mechanism 6 that drives the door 2 to open and close, and also drives a disk elevator mechanism, which will be described later, up and down along the door 2. It is being As shown in FIG. 2, this drive mechanism 6 consists of a motor 7 fixed on the chassis base 3 and capable of rotating in forward and reverse directions, and a speed reduction mechanism 8 for this motor 7. The speed reduction mechanism 8 consists of a series integrally housed in a gear case 9 in a predetermined arrangement. motor 7
A belt 12 is stretched between a pulley 10 fixed to the output shaft of the motor and a pulley 11 fixed to the input shaft of the reduction mechanism 8. After the rotational power of the motor 7 is decelerated by the reduction mechanism 8 via the belt 12, , its output shaft 1
Drive wheel 15 attached to this through 3 and 14
And the crank member 16 is rotationally driven. In this example, the speed reduction ratio of the speed reduction mechanism 8 is set to 1:2, that is, the crank member 16 rotates once while the drive wheel 15 rotates twice. As a result, as will be described later, the opening/closing operation of the door 2 and the elevator operation of the disk 5 are performed at a constant timing. By employing a worm gear mechanism as the speed reduction mechanism 8, fluctuations in the door opening angle due to external forces are prevented.

The drive wheel 15 has a drum shape, is axially connected to one output shaft 13 of the reduction mechanism 8, and is driven to rotate in forward and reverse directions by the motor 7 via the mechanism 8. One end of a wire A constituting a disk elevator mechanism is fixed to a predetermined position on the circumferential surface of the drive wheel 15.

The crank member 16 is axially connected to the other output shaft 14 of the speed reduction mechanism 8, and has an arm 1 attached to its tip.
A shaft portion 161 to which one end of the shaft portion 7 is pivotally attached is provided in a protruding manner with a predetermined length. This arm 17 extends a predetermined length in the direction of the door 2, and the other end is pivotally attached to one side of the inner surface of the door 2 through a slit provided on the back surface of the door.

Then, as the crank member 16 rotates, the door 2 is urged by the other end of the arm 17 due to the slider crank operation of the slider crank mechanism composed of the crank member 16 and the arm 17, and the door 2 is initially opened and closed at a predetermined speed. It is appropriately buffered with the final stage and is driven to open and close smoothly.

The door 2 is formed in the shape of a substantially rectangular box with a hollow interior, and an elevator mechanism for the disk 5 is provided on the back surface thereof. This elevator mechanism is constructed as shown in FIG. 3, and is adapted to raise or lower the disk 5 along the back surface of the door 2 in conjunction with the opening/closing operation of the door 2.

In FIG. 3, this elevator mechanism is located, for example, on the extension line of the wire A on the inner surface of the door 2.
The first one is pivotally connected to the left side wall in the lower end of the inner surface of the
a pair of second guide rollers 281, 282 pivotally mounted on both sides of the upper end of the inner surface of the door at a predetermined interval; A pair of third guide rollers 291, 292 pivotally mounted at a predetermined distance, and the guide roller 2 on the inner surface of the door.
82, the other guide roller 2
92, and a wire A rotatably supported at a position spaced apart from the fourth guide roller 30 at a predetermined distance toward the center of the door 2 from the fourth guide roller 30 on the inner surface of the door. winding drum 31
It is equipped with The guide roller 27 and the one guide roller 281 are disposed at positions perpendicular to each other and vertically opposed to each other. A spiral spring 32 is installed inside the winding drum 31, and constantly urges the drum 31 in the winding direction of the wire A.

One end of the wire A is fixed to the circumferential surface of the drive wheel 15, and the other end is extended into the inside of the door 2 by passing through the back surface of the door 2 from the drive wheel 15.
7 from below, and is then folded back around a guide roller 281 extending upward along one side of the door 2 from the upper outer side to the inner lower side forming a substantially inverted U-shape. . It then extends downward and is wound around the guide roller 291 from below on the outside, extends from this to the other side of the door 2 along the lower side of the door, and is wound around the other guide roller 292 from the bottom on the outside upward. Furthermore, the other end is this guide roller 29
2, extends upward along the other side of the door 2, is wound around the other guide roller 282 in a substantially inverted U shape from the upper outer side to the inner downward direction, and then extends downward from this and is wound downward on the guide roller 30. After being wound from the outside, the other end is wound and fixed at a predetermined position on the circumferential surface of the winding drum 31 from the lower inside. Note that the term "inside" refers to the central direction of the door 2 between the two sides, and the term "outside" refers to both sides of the door 2 with respect to the center. As a result, the wire A is connected to the drive wheel 15 and the winding drum 3.
A pair of supports 341 and 342, which will be described later, are pulled in the same direction as the winding and unwinding direction along the inner surface of the door during 1 hour, in accordance with the winding and unwinding, and the pair of supports 341 and 342 are left and right synchronized. It is guided by a plurality of guide rollers pivotally attached to the inner surface of the door so as to be moved upwardly or downwardly. In this case, the other end of the wire A is constantly urged in the winding direction as shown by an arrow 100 on the outer periphery of the winding drum 31 by the action of the spiral spring 32. In this example, the amount of winding or unwinding of the wire A by the drive wheel 15 or the winding drum 31 is set to be approximately equal to the vertical movement distance of the disk support, which will be described later.

On the other hand, a pair of guide grooves 3 are provided on both sides of the back of the door 2.
31 and 332 are bored with a predetermined length in the vertical direction, and a pair of supports 341 and 342 that support the disk 5 are fitted into these so that they can move up and down along the back surface of the door 2. Being guided.

The supports 341 and 342 are a pair with a left-right symmetrical shape, and as shown in FIG. 4, the upper part is wide with a predetermined width in the depth direction, the lower part is approximately in the shape of a hook, and the top end is wide. Cutouts 3411 and 3421 that slope downward at a predetermined angle are formed along the circumference of the disk 5 on one side thereof. The disk 5 is placed and held on these cutouts 3411 and 3421.

One end of a pair of guide shafts 35, 35 is screwed into one surface of the supports 341, 342 on the door 2 side, respectively, and the guide shafts 35, 35 are inserted into the guide grooves 331, 332.
Insertion is possible.

The guide shafts 35, 35 are inserted into the guide groove 33 from the inner surface of the door.
1, 332 to the supports 341, 342 with screws, and the tip flange portion 35
A washer-like member 36 is inserted between 1 and the back of the door, and these members 36, 36 and the flange portion 351,
The middle portion of the wire A is clamped and fixed between the wires 351 and 351. In other words, as shown in FIGS. 3 and 4, one guide of the inner part of the wire A, that is, the part wound vertically in a substantially inverted U-shape along both sides of the inner surface of the door 2. The inner parts of the supports 341 and 342 are connected and supported by the inner parts interposed between the roller 281 and the guide roller 291 below it, and between the other guide roller 282 and the guide roller 30 below it.

On the other hand, by adopting the above-mentioned tensioning mode shown in FIG. The direction of movement of the connected parts is set so that both parts always move equally upwards or downwards by the same distance in the same direction in response to the winding or unwinding. As a result, the left and right supports 341, 342 are moved up or down equally in the same direction and by the same amount of movement in synchronization with each other depending on the amount of winding or unwinding of the wire A. Good elevator operation of the disk without vertical positional deviation in the horizontal direction can be expected. In this case, the left and right supports 34
Needless to say, consideration should be given to the mounting height, etc., so that 1,342 are located at the same height with respect to the horizontal direction.

On the other hand, a fifth
As shown in the figure, place the disk 5 on the turntable 4.
The presser mechanisms for pushing and holding the door 2 upward are arranged so as to face each other when the door 2 is closed.

In FIG. 5, a guide hole 40 for a presser member is bored approximately in the center of the back surface of the door 2, and a presser member 41 of the disk 5 protrudes toward the turntable in this guide hole 40 when the door 2 is opened and closed. It is guided so that it can be immersed and returned to the back of the door.

The holding member 41 is a mounting bracket 4 provided on the inner surface of the door 2.
It is supported by a loose fit on a guide shaft 43 fixed to 2. This holding member 41 includes a substantially cylindrical tube portion 411 with an open front end, a shaft portion 412 extending a predetermined length behind the tube portion 411, and a rear end of the shaft portion 412 protruding outward. A guide hole 414, which is loosely fitted and guided by the guide shaft 43, is bored in the center of the rear surface. At the bottom of the opening of the cylindrical portion 411, an adsorbed member 415 made of a steel plate or the like is fixed by adhesive or pasting, while an adsorbed member 416, such as a magnet, is embedded in the center guide portion of the turntable 4. When the door 2 is closed within a predetermined range, the two face each other and are attracted to each other. A lever 44 for reciprocating the holding member 41 is provided on the inner surface of the door 2.
The approximate center of the door 2 is supported by a hinge 45 so as to be rotatable in the front-rear direction of the door 2 . The lever 44 has a lever shape in which the center part is bent and bulged in the direction of separating from the back of the door at a predetermined height with respect to both ends, and one end thereof extends to the position of the presser member 41 and is formed on one end side part. A cutout portion 441 is loosely fitted around the outer periphery of the shaft portion 412 of the member 41. The other end extends downward at a predetermined angle to the elongated insertion hole 46 provided at a predetermined position on the back surface of the door 2, and when the door 2 is closed, the other end protrudes from the front surface of the housing 1. The operating shafts 47 are arranged to face each other through the insertion holes 46 and come into contact with each other.
A coil spring 48 is interposed between one end of the lever 44 and the back surface of the door 2, and constantly biases one end of the lever 44 in a direction in which the presser member 41 moves away from the turntable 4.

Next, the operation of the apparatus of the present invention having the above configuration will be explained.

1 and 6 show a state in which the door 2 is completely opened to the front of the housing 1, and the disk 5 has been raised from the loading position to the upper ejection position of the door 2 and ejected. In this state, the holding member 41 returns to the guide hole 40 on the back of the door, and the lever 44
One end of the turntable 4 is biased by a spring 48.
It rotates back toward the inner surface of the door, away from the door.
Further, the other end of the lever 44 and the operating shaft 47 are spaced apart from each other by a predetermined distance. Furthermore, wire A is connected to drive wheel 1.
5 to a predetermined length and the winding drum 3
1 to a predetermined length, and along with this, the support body 34
1,342 is moved upward while maintaining the same height at the upper end position of the guide grooves 331, 332 on the back side of the door.

In this state, when loading the disk, as shown in FIG.
After placing the door 2 on the top of the door 2 so as to partially protrude from the upper end, the motor 7 of the drive mechanism 6 is driven in the direction of closing the door 2 . Then, the drive wheel 15 and the crank member 16 move through the speed reduction mechanism 8 to the arrow 101 shown in FIG.
They are rotated in 102 directions. This results in
The door 2 is pulled by one end of the arm 17 by the crank action of the crank member 16 and the arm 17, and the door 2 is moved to the sixth position.
The lid closing operation is started as indicated by arrow 103 in the figure.
At the same time, wire A is connected to arrow 1 in Figures 2 and 3.
As shown at 04, it is unwound from the drive wheel 15, and is sequentially wound onto the winding drum 31 as shown by the arrow 100 by the biasing force stored in the spiral spring 32. As a result, the supports 341 and 342 are pulled and driven by the wire A from the upward movement position, and as shown in FIG.
As shown by the arrow 104 in FIG.
1,332, move the back of the door downward in the direction of movement of wire A. Accordingly, the disk 5 held by the supports 341 and 342 is inserted downward along the back side of the door 2 toward the loading position. The drive wheel 15 further rotates by a predetermined angle, the wire A is further fed out, and the support body 34
1, 342 reaches the vicinity of the lower end of the guide grooves 331, 332, the lower peripheral edge of the disk 5
It is positioned and locked by a pair of locking pins 50, 50 protruding from the back surface of the screen, and its movement downward is regulated. Thereafter, when the drive wheel 15 is rotated by a predetermined amount, the supports 341 and 342 are separated from the periphery of the disk 5 and moved a predetermined distance downward therefrom. At this time, the door 2 continues to perform the closing operation. and,
When the door 2 is completely closed to the front of the housing as shown by the imaginary line in FIG. 6, the motor 7 stops driving.
The rotation of the drive wheel 15 and the crank member 16 is stopped, and the unwinding of the wire A from the drive wheel 15 and the winding operation of the wire A onto the winding drum 31 are canceled, and the supports 341 and 342 are stopped and held at the lower movement position. Then, the lowering insertion operation of the disk 5 is completed.

In the above operation, when the door 2 is closed at a predetermined angle and the disk 5 is locked with the locking pins 50, 50, the operating shaft 47 of the presser mechanism and the lever 4
The other ends of the lever 44 are close to each other, and the shaft 47 enters the inner surface of the door through the insertion hole 46 and comes into contact with the other end of the lever 44 . As a result, the lever 44 is urged to rotate in the direction of arrow 105 in FIG. 5 against the spring 48. As a result, the rear end surface of the cylindrical portion 411 of the presser member 41 is at one end of the lever 44, and the presser member 41 is
As a result, the disk 5 is urged by the front surface of the cylindrical portion 411 and is pushed onto the turntable 4 from the back side of the door as shown by the arrow 106. At a predetermined position in this pushing direction, the member to be attracted 415
When the adsorption member 416 and the adsorption member 416 come close to each other, both members 4
15,416, the holding member 41
As shown by the phantom lines in FIGS. 5 and 6, the disk 5 is held at the center of the turntable 4 with the front surface of the cylindrical portion pressed against the turntable. As a result, the disk 5 is fixedly held on the turntable 4, and loading onto the turntable is completed. In this case, when the disc 5 is loaded on the turntable, the supports 341 and 342
is located a predetermined distance further downward from the periphery of the disk 5, and the locking pins 50, 5
Care is taken to ensure that 0 does not sink into the inner surface of the door or move to the side of the disk 5 due to the operation of a DC solenoid (not shown) or the like, thereby interfering with the rotation of the disk 5. Furthermore, in this state, the presser member 41 is completely separated from the lever 44 and the guide shaft 43 and rotates together with the turntable 4 without any contact. It has been taken care of like never before.

According to this example, the supports 341, 342
After the lowering operation of the disk 5 is completed, both operations are performed differentially so that the closing operation of the door 2 is completed after a predetermined delay.

On the other hand, when removing the disk 5 from the loaded state on the turntable 4, when the eject button (not shown) is operated to drive the motor 7 reversely in the opposite direction, the drive wheel 15 and crank member 16 move in the direction indicated by the arrows 101 and 16. It is rotated in the opposite direction to 102. As a result, the part 16 and the arm 17
The arm 17 is moved by the slider crank operation.
The tip of the door 2 is moved toward the front of the casing 1, and the door 2 begins to open in the direction opposite to the arrow 103 from the closed position shown by the imaginary line in FIG. At the same time, the wire A is sequentially wound around the drive wheel 15 and unwound from the winding drum 31. This winding is performed against the bias of the spiral spring 32 of the winding drum 31. As a result, the support body 34
1,342 is pulled and driven by the wire A from the lower end position of the guide grooves 331, 332 and moves upward. In this case, after the door 2 starts its opening operation, the supports 341 and 342 initially move downward along the guide groove until the door is opened at a predetermined angle after a predetermined time elapses, and then The upward movement is started from the downward movement position. In other words, according to this example, after the start of the opening operation of the door 2, the lifting operation of the supports 341, 342 starts after a certain time delay, and both operations are performed differentially. Therefore, it is possible to reliably prevent the disk 5 from rising inadvertently and hitting the housing chassis etc. and being damaged when the door 2 is not fully opened. Note that the locking pins 50, 50 are
At the same time when the door 2 starts its opening operation, the DC solenoid or the like is activated so that the door protrudes to the back side of the door or moves from the side to return to the disk holding position in preparation for taking out the disk 5.

When the door 2 is opened within a predetermined range, the other end of the lever 44 of the holding mechanism and the operating shaft 47 are separated from the contact position shown in FIG. is released. As a result, the lever 44 is moved to the fulcrum by the bias of the spring 48.
45 and returns to the solid line position in the opposite direction to the arrow 105. As a result, one end of the lever 44 comes into contact with the front surface of the flange 413 and presses and urges the holding member 41 in the direction opposite to the arrow 106, away from the turntable 4. This bias releases the adsorption between the adsorbed member 415 and the adsorbed member 416, and the presser member 41 is pushed from the turntable 4 toward the back of the door by one end of the lever 44 and returns to the guide hole 40 on the inner surface of the door. . As a result, at the same time, the disk 5 is detached from the turntable 4, taken out and held by the rear surface of the door 2, which is in a slightly inclined state, and is retained on the locking pins 50, 50 (imaginary line in FIG. 6). ).

Thereafter, when the supports 341 and 342 are pulled and driven by the wire A and further moved upward, the locking pins 50 and 5
The disk 5 held on the locking pin 5
0 and 50 and are moved and held on the supports 341 and 342, and then a rising movement is started along the back side of the door in the opposite direction to the arrow 104 shown in FIGS. 3 and 6.

Thereafter, when the drive wheel 15 is further driven to rotate and the wire A is wound up to a predetermined length, and the crank member 16 is driven at a predetermined rotation angle, the door 2 is moved from the front of the casing as shown by the solid line in FIG. The lid is completely opened, and along with this, the supports 341, 342
is driven by wire A to guide groove 33 on the back of the door.
The upper end position of 1,332 is reached. At this time, the motor 7 is simultaneously stopped, and the rotation of the drive wheel 15 and crank member 16 is stopped. As a result, the opening operation of the door 2 and the upward movement of the supports 341, 342 are stopped, and as shown in FIG. 5 is ejected to the upper end ejection position on the back side of the door in a state that half protrudes from the upper end. Thereafter, the ejected disk 5 may be taken out with the fingers or the like as appropriate. In this way, the downward insertion or upward ejection operation of the disk 5 to the loading position is performed in conjunction with the opening/closing operation of the door 2, and differentially with a certain time difference from the opening/closing operation.

According to this embodiment, one end of the wire A is connected to a drive wheel 15 provided on the housing side, and the other end is connected to a winding drum 31 pivotally mounted on the inner surface of the door.
The winding or unwinding operation is performed between the two with equal winding and unwinding amounts, and the wire winding operation of the winding drum 31 is performed by the biasing of the spiral spring 32 built therein. is stretched in the manner described above, and the winding drum 31 can thereby be placed near the center of the door. Even when the amount of vertical movement is large, the wire A is reliably wound around the drive wheel 15 or the winding drum 31 to a length commensurate with the amount of movement, and the tensioning of the wire A is done in the shortest route. I can do it. Therefore, the wire tensioning structure can be compactly and simply arranged according to the space inside the door, the installation space can be reduced, and the structure of the door itself can be made smaller and simpler. Furthermore, since both ends of the wire are connected to separate drive wheels 15 and winding drums 31, the wire can be easily stretched on the inner surface of the door.

FIG. 7 shows another embodiment of this device, in which a fifth guide roller 51 is pivotally mounted at a predetermined interval above the fourth guide roller 30 on the inner surface of the door. The winding drum 31 is pivotally mounted at a position a predetermined distance away from the center of the door 2 from the winding drum 51. This winding drum 31
has a built-in spiral spring 32 similar to the above,
This drum 31 is always urged in the winding direction of the wire A.

The other end of the wire A is connected to the fourth guide roller 3
0, extends upward from the inner side thereof, is wound around the guide roller 51 from the outer side upwardly, and is then wound and fixed onto the circumferential surface of the winding drum 31 from the upper outer side. In this case, the guide roller 51 is eliminated and the fourth
The wire A may be wound directly between the guide roller 30 and the winding drum 31 in the vertical direction.

8 and 9 show still another embodiment of this device, in which a winding drum 60 for the wire A is pivotally mounted at a position spaced apart from the fourth guide roller 30 by a predetermined distance in the direction toward the center of the door. ing. This drum 60 has a stepped shape having a large diameter drum 601 and a small diameter drum 602, and a wire A extending from the fourth guide roller 30 is attached to the circumferential surface of the large diameter drum 601.
The other end is wrapped and fixed from below. One end of the second wire B is wound and fixed to the small diameter drum 602 from below in a direction opposite to the winding direction of the wire A. The other end of the wire B is connected to the other end of a tension coil spring 61 whose one end is fixed near the center of the inner surface of the door, and constantly urges the winding drum 60 in the winding direction of the wire A. Note that the wire B may be omitted and the other end of the spring 61 may be directly fixed to the circumferential surface of the small diameter drum 602.

According to this, although the configuration uses a coil spring, even if the amount of winding and unwinding of the wire A is large, the amount of expansion and contraction of the spring 61 can be set small, and the same wire A as described above can be used without using a spiral spring. The installation space can be reduced. Note that it is also possible to use a rope with a slightly smaller diameter instead of the wire A.

As described above, according to the elevator apparatus according to the present invention, the upward or downward movement of the pair of supports supporting a recording medium such as a disk along the rear surface of the door causes the movement of the linear member that traction drives the pair of supports supporting a recording medium such as a disk. Because it can be carried out in the same direction, at the same speed, and with the same movement distance, evenly synchronized left and right, the recording medium can be inserted downward into the loading position or ejected upwards in a good condition without wobbling or vertical positional deviation in the horizontal direction. This has the effect of allowing you to perform smoothly and accurately while maintaining the correct posture.

Further, according to the present invention, as explained in the embodiments, the wire mechanism for pulling the support body can be compactly and simply assembled according to the space inside the door, so the tensioning structure thereof is also simple. The installation space can be reduced, and the structure of the door can be made smaller and simpler due to the space saving, which has the effect of contributing to the miniaturization of the device.
Furthermore, it is extremely easy and simple to extend the linear member inside the door.

Therefore, it is extremely suitable for application to the recording medium loading mechanism of various players, which are becoming smaller and lighter in recent years.

[Brief explanation of the drawing]

Fig. 1 is a perspective view showing the front structure of a DAD player to which the present invention is applied, Fig. 2 is a perspective view of the main parts of the drive mechanism, and Fig. 3 is a perspective view showing the main parts of the device with the front door cut away. 4 is an exploded perspective view of the disk support used in this device, FIG. 5 is a sectional view of the disk holding mechanism in this device, FIG. 6 is a side view explaining the operation of this device, and FIG. 7 8 is a perspective view of a main part showing another embodiment of the present device, FIG. 8 is a perspective view of a main part showing still another example of the present device, and FIG. 9 is a plan view of the same. 2...Door, 5...Disk (recording medium), 34
1,342...Support body, 7...Motor, 8...Deceleration mechanism, 15...Drive wheel (first drum body), 3
2...Spiral spring, 61...Coil spring, 31,6
0... Winding drum (second drum body), A...
Wire (linear member).

Claims (1)

[Scope of Claims] 1. In a player that has a door that can be opened and closed on the front surface of the casing, and a disk-shaped recording medium is loaded in the front surface of the casing that faces the back surface of the door, there are upper and lower doors on both sides of the back surface of the door. a pair of recording medium supports movably provided; a first drum body located inside the housing and pivotally connected to a drive mechanism so as to be rotatable in forward and reverse directions; A linear member is attached to the drum body and connected to the first drum body so as to be able to be wound and unwound, and a built-in spring constantly urges the linear member in the winding direction. 2 drum bodies, and according to the winding and unwinding, the pair of supports are pulled in the same direction as the winding and unwinding directions, and are moved upward or downward in left-right synchronization. The elevator apparatus is characterized in that the linear member is guided and stretched by a plurality of guide rollers pivotally mounted on the inner surface of the door. 2. The linear member is guided by a required number of guide rollers pivotally mounted on the inner surface of the door, and is folded and wound vertically along one side of the door from the outer lower side to the inner lower side in a substantially inverted U-shape. , extends from the lower position along the lower side of the door to the other side of the door, and extends from the outer lower side to the inner lower side along the other side of the door, and is a substantially inverted U vertically.
The second drum body is folded back in a letter shape, and extends from a lower inner side position along the lower side in a direction closer to the center of the door, and the other end is pivoted at the position closer to the center in the winding direction. The elevator device according to claim 1, characterized in that the elevator device is wound and fixed while being biased. 3. The elevator device according to claim 2, wherein the pair of supports are connected to inner portions of folded portions of the linear member along one side and the other side of the door, respectively. . 4. The spring is a spiral spring built into the second drum body, and the drum body is biased in the winding direction of the linear member by the spiral spring. Claim 1:
Elevator equipment as described in paragraph. 5. The second drum body has a stepped shape having a small diameter part and a large diameter part, the other end of the linear member is wound and fixed to the large diameter part, and one end is fixed to the small diameter part. The other end of a coil spring fixed to a position near the center of the door is fixed, and the coil spring biases the second drum body in the winding direction of the linear member. An elevator system according to claim 1.