JPH08124257A - Cassette-loading apparatus - Google Patents

Abstract

PURPOSE: To prevent dust and foreign articles, etc., from invading inside and move a cassette tray quickly to a first position, by holding the cassette tray in a standby state if a cassette is not loaded onto the cassette tray when the cassette tray reaches a second position. CONSTITUTION: A cassette tray 100 is moved in a horizontal direction from a first position to a second position by a driving source. At the second position, a detection switch 17 set at a side plate 14 is pressed by a rib 2b of a side panel 2 thereby to detect a second state. Further, the presence/absence of a cassette, the kind of the cassette and whether the cassette is erroneously loaded or not are detected. If it is detected that the tray is allowed to move to a third position, the tray 100 is moved in a vertical direction to the third position, where a detection switch 18 is pressed by a rib 10c to detect the position. If it is detected at the second position that the cassette is not loaded and the tray cannot be moved to the third position, the tray 100 is kept in a standby state at the second position. The tray 100 can be quickly moved to the first position afterwards to load the cassette by an external instruction.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a loading device for mounting a cassette containing a medium such as a tape or a disk on a recording / reproducing device.

[0002]

2. Description of the Prior Art FIG.
It is the top view and front view which show the conventional cassette loading apparatus shown by the publication. In the figure, 110 is a cassette tray, 100 is a bottom support member of the cassette, 101
Is a standard cassette, that is, a large first cassette storage unit, 102 is a small cassette, that is, a small second cassette storage unit, and 103 is a standard cassette 105 storage unit 1.
01 is a detection switch for detecting whether the small cassette 106 is correctly stored, and 104 is a detection switch for detecting whether the small cassette 106 is correctly stored in the storage unit 102.

In such a conventional cassette loading apparatus, when the cassette is placed on the cassette tray 110 and pulled into the main body, the detection switches 103 and 104 on the bottom support member 100 of the cassette place the cassette. Is detected and the deck not shown
The binding device and reel drive system are moved to a position that matches the size of the cassette, and the drawing operation of the cassette tray 100 starts after the cassette type and the position on the deck side match. In addition, a storage unit 10 for a small cassette
2 has a concave shape corresponding to the small cassette 106, and when the small cassette 106 is placed in the storage unit 102, the concave portion is used as a guide for placement.

[0004]

In the conventional cassette loading device as described above, since the detection switches 103 and 104 are attached to the cassette tray 110, the wiring of the detection switches 103 and 104 is moved horizontally in the cassette tray 110. , It is necessary to make the wiring compatible with vertical movement, resulting in extremely complicated wiring and poor workability,
It has the drawbacks of low reliability and high cost. Further, when the cassette tray 110 is mounted on the deck, the deck must be designed so that the detection switches 103 and 104 do not interfere with the components of the deck. In addition, the storage portion 102 of the small cassette has a concave shape, which serves as a guide when mounting the small cassette 106, but for reliable positioning and prevention of displacement after mounting, Since it is necessary to separately provide a positioning boss or the like, the structure of the bottom surface supporting member 100 of the cassette becomes complicated, workability is poor, and cost is increased.

The present invention has been made to solve the above problems, and provides a cassette loading device in which the wiring of a detection switch for detecting the presence / absence, type, and erroneous mounting of a cassette is simple.

Further, there is obtained a cassette loading device which can reasonably determine the presence / absence of a cassette, the type of a cassette, and the incorrect mounting of a cassette by using a detection switch.

A further object of the present invention is to obtain a cassette loading device which is effective for positioning, misaligning and preventing erroneous mounting of cassettes without complicating the structure of the cassette storage table.

[0008]

A cassette loading device according to claim 1 of the present invention comprises a cassette tray second position detecting means for detecting a second position where the horizontal movement of the cassette tray is substantially completed, and the cassette tray. Is provided with a cassette presence / absence determining means for detecting the presence / absence of a cassette.

A cassette loading device according to a second aspect of the present invention is provided with a cassette type discriminating means for discriminating the type of the cassette at the second position of the cassette tray and a deck position detecting means.

Further, the cassette loading device according to the third aspect of the present invention is provided with a cassette erroneous mounting discriminating means for discriminating erroneous mounting of the cassette at the second position of the cassette tray.

The cassette loading device according to a fourth aspect of the present invention has a structure in which the detection signals of a plurality of detection switches are selectively combined as the cassette presence / absence determining means, the cassette type determining means, and the cassette erroneous attachment determining means. It is a thing.

Further, in the cassette loading device according to the fifth aspect of the present invention, the plurality of detection switches which are engaged at the second position of the cassette tray are arranged at the planar positions so that the second cassette is placed on the cassette tray. With respect to the placement position, at least one is arranged inside the placement position and a plurality is arranged outside the placement position.

According to a sixth aspect of the present invention, in the cassette loading device, the plurality of detection switches engaged at the second position of the cassette tray have the second cassette tray.
It is movable in the same direction as the direction from the position to the third position and is provided at a position for detecting the upper surface position of the cassette.

The cassette loading device according to a seventh aspect of the present invention has a structure in which the cassette tray has first position and second position detecting means.

In the cassette loading device according to the eighth aspect of the present invention, a member for supporting the cassette bottom surface of the cassette tray is composed of a fixed member and a movable member, and the movable member has a side surface shape of the second cassette. Corresponding cutouts are provided, and the structure is such that the cassette is held at a position displaced by a predetermined distance in the height direction of the cassette with a predetermined biasing force.

According to a ninth aspect of the present invention, in the cassette loading device, the fixed member for supporting the cassette bottom surface of the cassette tray and the movable member are provided with a rotation fulcrum of the movable member and an urging spring. Is.

Further, in the cassette loading apparatus according to the tenth aspect of the present invention, the shape of the inner surface of the cassette mounting portion of the cassette tray corresponds to the unevenness provided on the side surface of the first cassette. Is.

[0018]

In the cassette loading apparatus according to the first aspect of the present invention, when the cassette tray reaches the second position, if the cassette is not placed, the cassette tray is on standby in the second position. .

In the cassette loading apparatus according to the second aspect of the present invention, when the cassette tray reaches the second position and the correspondence between the cassette type and the deck position matches, the cassette tray is the deck. Move to the side.

In the cassette loading device according to the third aspect of the present invention, when the cassette tray reaches the second position, the cassette tray is returned to the first position if the cassette is improperly mounted.

Further, in the cassette loading device according to the fourth and fifth aspects of the present invention, the detection signals of a plurality of detection switches are selectively combined to determine whether or not there is a cassette presence / absence determining means, a cassette type determining means, or a cassette erroneous attachment determination. Use it as a means.

Further, in the cassette loading apparatus according to the sixth aspect of the present invention, the plurality of detection switches engaged at the second position of the cassette tray are provided at positions for detecting the upper surface position of the cassette. , The detection signals of the detection switches are selectively combined to move the cassette tray.

Further, in the cassette loading apparatus according to the seventh aspect of the present invention, when the cassette tray is waiting at the first position and no operation command is given within a predetermined time, the cassette tray is the second one. Move to position.

Further, in the cassette loading apparatus according to the eighth aspect of the present invention, the member for supporting the cassette bottom surface of the cassette tray is composed of a fixed member and a movable member,
The movable member is provided with a notch corresponding to the side surface shape of the second cassette, and the notch holds the side surface of the second cassette.

Further, in the cassette loading apparatus according to the ninth aspect of the present invention, in the fixed member and the movable member that support the cassette bottom surface of the cassette tray, the movable member is provided with a rotation fulcrum and a biasing spring. .

Further, in the cassette loading apparatus according to the tenth aspect of the present invention, the shape of the inner side surface of the cassette mounting portion of the cassette tray corresponds to the unevenness provided on the side surface of the first cassette. , Prevents erroneous mounting of the first cassette.

[0027]

【Example】

First Embodiment FIGS. 1 to 13 show a first embodiment of the present invention.
2A is a plan view showing a state in which the cassette tray and the first cassette and the second cassette are in the first position, FIG. 2A is a left side view showing the state in the first position, and FIG. 2B. Is the first
It is a right side view which shows the state in the position of. 3 is a plan view showing a state in which the cassette tray, the first cassette, and the second cassette are in the second position, and FIG. 4A is a left side view showing the state in the second position. b) is a right side view showing a state in the second position. FIG. 5 is a plan view showing a state in which the cassette tray, the first cassette, and the second cassette are in the third position, and FIG. 6A is a left side view showing the state in the third position. b) is a right side view showing a state in the third position. 7 is a plan view showing a state of discriminating a cassette, FIG. 8A is a sectional view showing a state of discriminating a second cassette 7, and FIG. 8B is a sectional view showing a state of discriminating a first cassette 6, FIG. 8C is a sectional view when there is no cassette. FIG. 9 is a perspective view showing the shape of the fitting portion between the first cassette and the cassette tray. 1 to 9, reference numerals 1 and 2 denote left and right side panels provided so that the structure inside the cassette tray 100 cannot be seen, and are fixed to the housing 3 of the cassette tray 100 by screwing or the like. . Reference numerals 4 and 5 denote cassette storage bases that support the bottom surfaces of the first cassette 6 and the second cassette 7 of the cassette tray 100, 4 is a fixed side, 5 is a movable side, and the movable side cassette storage base 5 is fixed. A rotation fulcrum is provided on the side cassette storage base 4 and is rotatably attached, and the fixed side cassette storage base 4 is supported by a frame 8. A pin 8a is crimped to the frame 8, and the pin 8a is fitted into the groove portion 3a provided in the housing 3 of the cassette tray 100 and the cam grooves 9a and 10a provided in the left and right cam plates 9 and 10. I am fit. The left and right cam plates 9 and 10 are also provided with rack portions 9b and 10b, which mesh with left and right gears 11 and 12 driven by a drive source (not shown). Reference numerals 13 and 14 denote left and right side plates, which are a roller 15 and a cassette tray position detection switch 16 and 1, respectively.
7 and 18 are attached and screwed to the top plate 20. A cam plate stopper 19 is rotatably sandwiched between the side panels 1 and 2 and the housing 3 of the cassette tray 100. Reference numerals 21, 22, 23, and 24 denote detection switches for discriminating the presence / absence of a cassette, discriminating a cassette type, and discriminating an improper mounting of the cassette. The detection switch 21 and the second cassette 7 are placed within the placement range of the second cassette 7. The detection switches 22, 23, 24 are arranged outside the range, and no matter where the second cassette 7 is erroneously placed in the cassette tray 100, one detection switch is always pushed and the detection switch mounting member 25 is provided. It is attached to the cassette and comes down from above the cassette. The detection switch attachment member 25 is rotatably attached to the left and right side plates 13 and 14, and a pin (not shown) provided at the other end is fitted into a cam groove (not shown) provided in the gear. In this structure, the upper part of the cassette is rotated up and down by the rotation of the gear. Reference numeral 26 is a leaf spring that is attached to the fixed-side cassette storage base 4 and holds the movable-side cassette storage base 5 at a position displaced by a predetermined distance in the height direction of the cassette. Reference numeral 27 denotes a movable-side cassette storage stand-up member attached to the frame 8 so as to be movable a predetermined distance in the horizontal direction. The movable-side cassette storage stand-up member is provided at a notch portion 5b provided in the movable-side cassette storage stand 5. Pin 27a provided on member 27
Is movably caught. Further, the squeezed bent portion 5c provided on the movable side cassette storage table 5 of the cassette tray 100 is provided at a position corresponding to the changer grip concave portion 6a provided on the first cassette 6 on the inner side surface portion of the cassette mounting portion. Therefore, when the first cassette 6 is placed on the cassette tray 100, the narrowed bent portion 5c and the recess 6a are fitted together. In this embodiment, the concave portion of the changer grip provided on the cassette is used, but any concave portion or convex portion provided on the side surface of the cassette may be used. Further, the diaphragm bending portion 5c provided on the movable side cassette storage base 5 may be a member different from the movable side cassette storage base 5.

In the cassette loading device thus constructed, the gears 11 and 12 are driven by the drive source (not shown) from the first position of the cassette tray, and the gears 11 and 12 and the rack portion 9b, By being transmitted to the cam plates 9 and 10 meshed with each other at 10b, the cassette tray 100 is moved in a substantially horizontal direction and is in the second position. At this time, the groove portion 1 provided on the side panels 1 and 2 is attached to the roller 15 attached to the side plates 13 and 14.
The cassette tray 100 moves smoothly with the rotation of the roller 15. Further, in the state of the first position, the ribs 1 provided on the side panel 1
By pressing the detection switch 16 attached to the side plate 13 in b, it is detected that the cassette tray is in the first position. In the state of the second position, the rib 2b provided on the side panel 2 pushes the detection switch 17 attached to the side plate 14 to detect the state of the second position. At this time, the side panels 1 and 2 are restricted by the bent portions 13a and 14a of the side plates 13 and 14, and do not move further in the substantially horizontal direction. Also, cassette tray 1
As 00 moves from the first position to the second position, the detection switch mounting member 25 moves from the upper side to the lower side of the cassette tray 100, and the detection switch 17 moves the cassette tray 100 to the second position. When it is detected that the upper surface position of the first and second cassettes 6 and 7 is detected by the detection switches 21, 22, 23 and 24 attached to the detection switch attachment member 25, the presence / absence of the cassette, the type If it is determined that the vehicle can be moved to the third position, the drive source drives the gears 11, 1
2 is driven. At this time, in the second position, the tip 19a of the stopper 19 of the cam plate enters the hole 20b provided in the top plate 20, so that the cam plate 9,
10 has been unlocked, and cam plates 9, 10
The chisel moves further in a substantially horizontal direction. At this time, the pin 8a crimped to the frame 8 is fitted into the groove 3a provided in the housing 3 of the cassette tray 100, and the cam plate
Since the cam plates 9 and 10 are also fitted in the cam grooves 9a and 10a provided in the ports 9 and 10, the frames 8 and the cassette storage stands 4 and 5 are moved by moving the cam plates 9 and 10 in a substantially horizontal direction. It moves in a substantially vertical direction to the state of the third position. This time,
The side plate 1 is provided by the rib 10c provided on the cam plate 10.
The detection switch 18 attached to No. 4 is pressed to detect the state of the third position. When moving from the third position to the second position and from the second position to the first position, the above operation is reversed.

FIG. 10 is a flow chart showing the operation of the cassette loading apparatus of the present invention. When it is detected that the cassette tray 100 has been pulled into the main body and is in the second position, The presence / absence determination, the cassette type determination, and the cassette wrong mounting are determined. If there is no cassette, the device waits as it is. If the cassette is incorrectly installed, move to position 1 and the cassette is properly installed. If it is compatible, it moves to the third position as it is, and if the position of the deck does not correspond to the type of cassette, it moves the position of the deck to the corresponding position and then moves to the third position.

FIG. 11 is a diagram showing a cassette detection format. By detecting the upper surface of the cassette with the detection switches 21, 22, 23, 24, the above discrimination can be performed as shown in FIG.

12 and 13 show the movable side cassette storage stand 5
FIG. 12 is a diagram showing the operation of FIG. 12, FIG. 12 is a plan view, and FIG.
FIG. 13B is a side view showing a state where the second cassette 7 is placed and is in the second position, and FIG. 13B is a side view showing a state where the second cassette 7 is placed and is in the first position. FIG. 13C is a side view of the state where the first cassette 6 is placed and is in the second position, and FIG. 13D is a side view of the state where the first cassette 6 is placed and is in the first position. . In the drawing, when the cassette tray 100 is in the state of the first position, the movable side cassette storage stand up member 29 is provided at the bending portion 2 provided on the top plate 20.
0a and the movable-side cassette storage base 5 is pulled up around the rotation fulcrum, so that the side shape of the second cassette 7 provided on the movable-side cassette storage base 5 when the second cassette 7 is placed. With the notch 5a corresponding to, a wall is formed around the second cassette 7 and positioning is possible. It also prevents the second cassette 7 from being erroneously attached. further,
When the first cassette 6 is placed, the movable-side cassette storage table 5 is pulled up to facilitate the removal of the first cassette 6 from the cassette tray 100. Further, when the cassette tray 100 is not in the first position, the movable-side cassette storage base 5 is lifted up by a predetermined distance by the leaf spring 28, so that when the second cassette 7 is placed, A wall is formed around the second cassette 7 in the same manner as the position of, and the second cassette 7 is positioned to prevent the displacement of the second cassette 7 during the movement of the cassette tray 100. The leaf spring 26 has a weaker spring force than the force with which the first cassette 6 is placed on the cassette tray 100, is drawn into the main body, and is pressed from above by the cassette holder.

Embodiment 2 FIGS. 14 and 15 are views showing a cassette loading device according to a second embodiment of the present invention. FIG. 14 is a plan view showing a state where a cassette is discriminated, and FIG. 15B is a sectional view showing a state in which the cassette 7 is discriminated, FIG. 15B is a sectional view in a state in which the first cassette 6 is discriminated, and FIG. 15C is a sectional view without a cassette. In the first embodiment, the detection switches 21, 22, 23, 24 are attached to the detection switch mounting member 25 to directly detect the upper surface of the cassette, but in the present embodiment, the detection switch mounting member 2 is used.
5, detection switches 21, 22, 23, 24 and a lever 28 corresponding to each of the detection switches 21, 22, 23, 24 and rotatable and urged by a spring (not shown) are attached. , The rotation of the lever 28 caused by the tip of the lever 28 hitting the upper surface of the cassette is detected by the switch 21,
This is a configuration in which detection is made at 22, 23, and 24. According to the present embodiment, by using the lever 28, the difference in thickness between the first cassette 6 and the second cassette 7 can be absorbed, and more reliable detection can be performed.

Embodiment 3 FIGS. 16 and 17 are views showing a cassette loading device according to a third embodiment of the present invention. FIG. 16 is a plan view showing a state in which a cassette is discriminated, and FIG. 17B is a sectional view showing a state in which the cassette 7 is discriminated, FIG. 17B is a sectional view in a state in which the first cassette 6 is discriminated, and FIG. 17C is a sectional view without a cassette. In this embodiment, the detection switch mounting member 25 is provided with detection switches 21, 22, 23, 2
4 and the detection switches 21, 22, 23, and 24, respectively, in which a rotatable lever 28 and a cassette pressing roller 29 are attached, and according to the present embodiment, a separate cassette pressing is provided. There is no need and the structure can be simplified.

Embodiment 4 FIGS. 18 and 19 are views showing a cassette loading device according to a fourth embodiment of the present invention, and FIGS. 18 and 19 are plan views showing a state in which a cassette is discriminated. In FIG. 18, reference numerals 30, 31, 32 denote detection switches for discriminating presence / absence of a cassette, discriminating a cassette type, and discriminating an improperly mounted cassette,
It is attached to the detection switch attachment member 25.
33, 34, 35, 36, 37 are levers, 38 is a rotary shaft that is rotatable with respect to the detection switch mounting member 25, and is biased by a spring (not shown). The levers 34 are attached so as to correspond to the detection switches 31, respectively. Also, the levers 35, 3
6 and 37 are fixed to a rotary shaft 38, and the lever 35 corresponds to the detection switch 32. The planar positional relationship between the levers 33 and 34 is such that no matter how the second cassette is placed, the levers 33 and 34 do not simultaneously act on both levers 33 and 34.

In the second embodiment, the detection switch mounting member 25 is provided with the detection switches 21, 22, 23, 24 and the lever 28 rotatably corresponding to the detection switches 21, 22, 23, 24, respectively. The rotation of the lever 28 caused by the tip of the lever 28 hitting the upper surface of the cassette is detected by the detection switches 21, 22, 23 and 24. However, in the present embodiment, the levers 35, 36 and 37 rotate the rotation shafts. Since the second cassette is fixed to 38, the second cassette is erroneously placed, and any one of the levers 35, 36, 37 is detected by the detection switch 32. FIG.
FIG. 21 is a diagram showing a cassette detection format according to the present embodiment, which can be discriminated as shown in FIG. According to this embodiment, the number of detection switches can be further reduced, the cost can be reduced, and the height of the cassette loading device can be reduced.

Further, in FIG. 19, 39 is a lever which is rotatable with respect to the detection switch mounting member 25 and is urged by a spring (not shown). The levers 35, 36 and 37 of FIG. It is the shape. FIG.
Also in this configuration, the same operation as the configuration in FIG.

Embodiment 5 FIG. 21 is a perspective view showing the shape of the fitting portion between the first cassette 6 and the cassette tray 100 in the fifth embodiment of the present invention. In the first embodiment, the squeezed bent portion 5c provided on the movable-side cassette storage table 5 of the cassette tray 100 is an inner side surface portion of the cassette mounting portion, and is located at a position corresponding to the changer grip recess 6a provided on the first cassette 6. The first cassette 6 is installed in the cassette tray 100.
Although the structure is such that the narrowed bent portion 5c and the recessed portion 6a are fitted to each other when mounted on the tray, in this embodiment, the narrowed bent portion 5d provided on the movable side cassette storage table 5 of the cassette tray 100 is the cassette mounting portion. The inner side surface portion is provided at a position corresponding to the concave portion 6b of the LID-LOCK portion provided in the first cassette 6, and the first cassette 6 is attached to the cassette tray 100.
The structure is such that the squeezed bent portion 5d and the recessed portion 6b are fitted to each other when placed on.

[0038]

Since the present invention is constructed as described above, it has the following effects.

According to the cassette loading apparatus of the first aspect of the present invention, the presence / absence of the cassette is discriminated when the cassette tray is in the second position, and when it is detected that there is no cassette, the cassette tray is Since the apparatus waits at the second position, the risk of dust, foreign matter, etc. entering the main body is reduced, and when the cassette tray is moved to the first position by a command from the outside, it can be moved quickly and the responsiveness is good.

Further, according to the cassette loading apparatus of the second aspect of the present invention, the type of cassette is discriminated and the position of the deck is made to correspond to the type of cassette when the cassette tray is in the second position. Therefore, it is not necessary to specify the cassette type at the time of operation, and the operation becomes easy.

Further, according to the cassette loading apparatus of the third aspect of the present invention, erroneous mounting of the cassette is discriminated in the state where the cassette tray is in the second position, and if the cassette is erroneously mounted, the first Since it is returned to the position of, the abnormal mounting on the deck due to the wrong mounting of the cassette is eliminated, and the reliability can be improved.

Further, according to the cassette loading apparatus of the fourth aspect of the present invention, the detection signals of a plurality of detection switches are selectively combined as the cassette presence / absence determining means, the cassette type determining means, and the cassette erroneous attachment determining means. Since it is generated by the above method, the detection switch can be commonly used for each discriminating means, and the configuration can be realized at low cost.

Further, according to the cassette loading apparatus of the fifth aspect of the present invention, the plurality of detection switch planar arrangement positions which are engaged at the second position of the cassette tray are:
For the placement position of the second cassette on the cassette tray,
Since at least one is arranged inside the mounting position and a plurality is arranged outside the mounting position, the detection switch can be arranged in a rational manner and the presence / absence of the cassette, the type of the cassette, and the erroneous mounting of the cassette can be reliably determined. .

According to the cassette loading device of the sixth aspect of the present invention, the plurality of detection switches that are engaged at the second position of the cassette tray have the cassette tray from the second position to the third position. Since it can be moved in almost the same direction as the direction to move to, and is provided at a position for detecting the upper surface position of the cassette, it is not necessary to attach the detection switch to the cassette housing base, and the wiring of the detection switch can be simplified.

According to the cassette loading apparatus of the seventh aspect of the present invention, when the cassette tray is waiting at the first position and no operation command is given within a predetermined time, the cassette tray is set to the first position. Since it moves to the position of 2, it is possible to prevent the cassette tray from being left out,
The risk of dust and foreign objects entering the body is reduced.

According to the cassette loading apparatus of the eighth aspect of the present invention, the member for supporting the cassette bottom surface of the cassette tray is composed of the fixed member and the movable member, and the movable member has the side surface of the second cassette. A notch corresponding to the shape is provided, and the movable member is held at a position displaced by a predetermined distance in the height direction of the cassette with a predetermined biasing force. Second in structure
It is possible to position the cassette and prevent incorrect mounting.
The cassette can be easily taken out from the cassette tray.

According to the ninth aspect of the present invention, in the fixed member and the movable member for supporting the cassette bottom surface of the cassette tray, the movable member is provided with a rotation fulcrum and a bias spring. Therefore, it is possible to prevent the displacement of the second cassette while the cassette tray is moving.

According to the cassette loading device of the tenth aspect of the present invention, the side surface shape of the cassette mounting portion of the cassette tray corresponds to the unevenness provided on the side surface of the first cassette. Therefore, the first is a simple structure.
This prevents incorrect installation of the cassette.

[Brief description of drawings]

FIG. 1 is a plan view of a first position showing an embodiment of the present invention.

2A is a left side view of FIG. 1, and FIG. 2B is a right side view of FIG.

FIG. 3 is a plan view of a second position showing an embodiment of the present invention.

4A is a left side view of FIG. 3, and FIG. 4B is a right side view.

FIG. 5 is a plan view of a third position showing an embodiment of the present invention.

6A is a left side view of FIG. 5, and FIG. 6B is a right side view.

FIG. 7 is a plan view showing a state of discriminating a cassette according to an embodiment of the present invention.

8A is a sectional view showing a state in which a second cassette is discriminated in FIG. 7, FIG. 8B is a sectional view in a state in which a first cassette is discriminated, and FIG. 8C is a sectional view without a cassette. Is.

FIG. 9 is a perspective view showing a shape of a fitting portion between a first cassette and a cassette tray showing an embodiment of the present invention.

FIG. 10 is a flowchart showing an embodiment of the present invention.

FIG. 11 is a detection format diagram showing an embodiment of the present invention.

FIG. 12 is a plan view showing the operation of the movable side cassette storage base showing the embodiment of the present invention.

13A is a side view showing a state in which the second cassette in FIG. 12 is placed and in a second position, and FIG. 13B shows a state in which the second cassette is placed and in a first position. Side view, (c)
FIG. 3A is a side view showing a state in which the first cassette is placed and in a second position, and (d) is a side view in a state in which the first cassette is placed and in a first position.

FIG. 14 is a plan view showing a cassette loading device according to a second embodiment of the present invention in a state in which a cassette is identified.

15A is a sectional view showing a state in which a second cassette is discriminated in FIG. 14, FIG. 15B is a sectional view in a state in which a first cassette is discriminated, and FIG. 15C is a sectional view without a cassette. Is.

FIG. 16 is a plan view showing a cassette loading device according to a third embodiment of the present invention in a state of discriminating cassettes.

17A is a sectional view showing a state in which a second cassette is discriminated in FIG. 14, FIG. 17B is a sectional view in a state in which a first cassette is discriminated, and FIG. 17C is a sectional view without a cassette. Is.

FIG. 18 is a plan view showing a cassette loading device according to a fourth embodiment of the present invention in a state in which a cassette is identified.

FIG. 19 is a plan view showing a cassette loading device according to a fourth embodiment of the present invention in a state in which a cassette is identified.

FIG. 20 is a detection format diagram in the fourth embodiment of the present invention.

FIG. 21 is a perspective view showing the shape of the fitting portion between the first cassette and the cassette tray in the fifth embodiment of the present invention.

FIG. 22 (a) is a plan view showing a conventional cassette loading device, and FIG. 22 (b) is a front view.

[Explanation of symbols]

1 Left side panel, 1a, 2a, 3a Grooves, 1
b, 2b rib, 2 right side panel, 3 cassette tray housing, 4 fixed side cassette storage stand, 5 movable side cassette storage stand, 5a, 5b cutouts, 5c, 5d
Drawing / bending part, 6 first cassette, 6a recess for changer grip, 6b recess for LID-LOCK part, 7
2nd cassette, 8 frame, 8a, 27a pin,
9 Left cam plate, 9a, 10a Cam groove, 9b,
10b rack part, 0 right side cam plate, 0c rib, 1 left side gear, 2 right side gear, 3 left side plate, 4 right side plate, 4a, 20a bending part, 5 rollers, 6 to 1
8, 21-24, 30-32 detection switch, 9 Cam plate stopper, 9a Tip part, 0 Top plate, 0b
Hole, 5 detection switch mounting member, 6 leaf spring, 7
Bottom upper, 8, 33-37, 39 lever, 9
Cassette holding roller, 8 rotating shafts, 100 cassette trays.

Claims (10)

[Claims] 1. A cassette tray, which projects forward from a front panel of a device body and on which a large first cassette or a small second cassette is selectively placed, reaches a first position. That the cassette tray is moved in a substantially horizontal direction from the first position toward the inside of the apparatus main body, and the cassette has reached a second position where the horizontal movement is almost completed. Second cassette for detecting the position of the cassette, the cassette tray is moved in a substantially vertical direction with respect to the deck housed in the main body of the device, and the first cassette or the second cassette is mounted on the deck. And a third position detecting means for detecting a third position of the cassette tray, wherein when the cassette tray is in the second position, the first cassette or Includes a cassette presence / absence determining means for detecting the presence / absence of the second cassette, and when the cassette tray moves from the first position to the second position,
A cassette loading device characterized in that when the cassette presence / absence detecting means detects that there is no cassette, the cassette tray is made to stand by at the second position. 2. A cassette tray, which projects forward from the front panel of the device body and on which a large first cassette or a small second cassette is selectively placed, reaches a first position. That the cassette tray is moved in a substantially horizontal direction from the first position toward the inside of the apparatus main body, and the cassette has reached a second position where the horizontal movement is almost completed. Second cassette for detecting the position of the cassette, the cassette tray is moved in a substantially vertical direction with respect to the deck housed in the main body of the device, and the first cassette or the second cassette is mounted on the deck. A cassette loading device having a third position detecting means for detecting a third position of the cassette tray, the cassette type determining the type of the first cassette or the second cassette. The cassette tray is moved from the first position to the second position, which comprises a discriminating means and a means for detecting a first position corresponding to the first cassette or a second position corresponding to the second cassette. After that, when the type of the cassette placed on the cassette tray and the position of the deck match according to the detection signal from the cassette type determining means, the cassette tray is kept substantially vertical while the deck position is maintained. When the cassette type and the position of the deck do not match, the cassette tray is moved in a substantially vertical direction after the position of the deck is adjusted to match. . 3. A cassette tray, which projects forward from the front panel of the device body and on which a large first cassette or a small second cassette is selectively placed, reaches a first position. That the cassette tray is moved in a substantially horizontal direction from the first position toward the inside of the apparatus main body, and the cassette has reached a second position where the horizontal movement is almost completed. Second cassette for detecting the position of the cassette, the cassette tray is moved in a substantially vertical direction with respect to the deck housed in the main body of the device, and the first cassette or the second cassette is mounted on the deck. And a third position detecting means for detecting a third position of the cassette tray, wherein the first cassette or the second cassette is normally placed in the cassette tray. Equipped with a cassette erroneous mounting discriminating means for detecting that the cassette is not mounted, when the cassette tray is moved from the first position to the second position, a detection signal from the cassette erroneous mounting discriminating means indicates that the cassette is erroneously mounted In this case, the cassette loading device is characterized in that the cassette tray is returned to the first position. 4. A plurality of detection switches are provided, and detection signals from the plurality of detection switches are selectively combined,
4. The cassette loading device according to claim 1, wherein detection signals of the cassette presence / absence determining unit, the cassette type determining unit, and the cassette erroneous mounting determining unit are generated. 5. A plurality of detection switches to be engaged at a second position of the cassette tray are within a mounting position range with respect to a mounting position of the second cassette having a small size on the cassette tray. 5. The cassette loading device according to claim 4, wherein at least one and a plurality of them are arranged outside the mounting position range. 6. A plurality of detection switches engaged at a second position of the cassette tray, wherein the cassette tray is at the second position.
6. The cassette loading apparatus according to claim 5, wherein the cassette loading apparatus is provided so as to be movable in a direction substantially the same as the direction in which the cassette moves to the third position and at a predetermined position for detecting the upper surface position of the cassette. 7. The cassette tray, which projects forward from the front panel of the device body and on which the large first cassette or the small second cassette is selectively placed, has reached the first position. That the cassette tray is moved in a substantially horizontal direction from the first position toward the inside of the apparatus main body, and the cassette has reached a second position where the horizontal movement is almost completed. Second cassette for detecting the position of the cassette, the cassette tray is moved in a substantially vertical direction with respect to the deck housed in the main body of the device, and the first cassette or the second cassette is mounted on the deck. A cassette loading device having a third position detecting means for detecting a third position of the cassette tray, and a command signal output means for outputting an operation command signal for the cassette tray. When the cassette tray is waiting at the first position and no operation command signal is output from the designation signal output means within a predetermined time, the cassette tray is moved to the second position. A cassette loading device characterized by: 8. The cassette tray, which projects forward from the front panel of the device body and on which the large first cassette or the small second cassette is selectively placed, reaches the first position. That the cassette tray is moved in a substantially horizontal direction from the first position toward the inside of the apparatus main body, and the cassette has reached a second position where the horizontal movement is almost completed. Second cassette for detecting the position of the cassette, the cassette tray is moved in a substantially vertical direction with respect to the deck housed in the main body of the device, and the first cassette or the second cassette is mounted on the deck. In a cassette loading apparatus having a third position detecting means for detecting a third position of the cassette tray, the member supporting the cassette bottom surface of the cassette tray is movable with the fixed member. The movable member is provided with a notch corresponding to the side surface shape of the second cassette, and the movable member is displaced by a predetermined distance in the height direction of the cassette with a predetermined biasing force. A cassette loading device, characterized in that the cassette loading device is held by. 9. The cassette loading according to claim 8, wherein, in the fixed member and the movable member that support the cassette bottom surface of the cassette tray, the fixed member is provided with a rotation fulcrum of the movable member and an urging spring. apparatus. 10. A cassette tray, which projects forward from a front panel of the device body and on which a large first cassette or a small second cassette is selectively placed, reaches a first position. That the cassette tray is moved in a substantially horizontal direction from the first position toward the inside of the apparatus main body, and the cassette has reached a second position where the horizontal movement is almost completed. Second cassette for detecting the position of the cassette, the cassette tray is moved in a substantially vertical direction with respect to the deck housed in the main body of the device, and the first cassette or the second cassette is mounted on the deck. And a third position detecting means for detecting a third position of the cassette tray, the inner surface shape of the cassette mounting portion of the cassette tray is the first cassette. A cassette loading device having a shape corresponding to the shape of the side surface of the cassette.