JPH04101940U - Magnetic tape recording/playback device - Google Patents

Abstract

(57) [Summary] [Purpose] To shorten the time required to change tape cassettes, and to make it possible to rewind one tape cassette while another tape cassette is being played. [Structure] An elevating member 4 is provided on the chassis so as to be driven up and down, and the elevating member 4 is attached so that the rotary plate 20 is driven to rotate. A plurality of cassette containers 25, 26 are mounted on a rotating plate at equal intervals around the rotating shaft. A plurality of tape running mechanisms are arranged under the cassette container. When the elevating member 4 descends, the tape cassette housed in the cassette container is attached to the tape traveling mechanism.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This invention relates to magnetic tape recording and reproducing devices, and in particular, it Regarding the mechanism.

0002

[Conventional technology]

Figure 19 shows an example of a magnetic tape recording/reproducing device having a conventional tape cassette exchange mechanism. and shown in FIG. As shown in the figure, the tape running mechanism A is fixed to the bottom of the device. multiple containers B1, B1... are stacked vertically at the front of the device. Ru. In addition, container B2 is installed at the rear of containers B1, B1, etc. so as to be able to move up and down. It is. Select from the tape cassettes inserted in containers B1, B1... To play one tape cassette, first place container B2 at the height of that tape cassette. The tape cassette is transferred from container B1 to container B2. after that The container B2 is lowered and the tape cassette is mounted on the tape transport mechanism A. tape When returning the cassette to container B1, the operation is reversed to that described above.

0003

[Problem that the invention attempts to solve]

In the conventional system mentioned above, the tape currently attached to the tape transport mechanism When replacing the cassette with another tape cassette, first attach it to the tape transport mechanism. After returning the tape cassette that is currently in use to container B1, insert another tape cassette into the container This has the disadvantage that it must be attached to the drive mechanism, which increases the waiting time.

0004 Additionally, if you need to rewind the tape cassette you are playing, use the tape running machine. This was inconvenient because the waiting time was longer because it had to be attached to the device and rewound.

[0005] This idea was made in view of the above points, and its purpose is This reduces the time required to replace the tape cassette, and also allows you to rewind the tape cassette separately. To provide a magnetic tape recording and reproducing device capable of performing operations while playing a tape cassette. There is a particular thing.

[0006]

[Means to solve the problem]

The magnetic tape recording and reproducing device of this invention is installed in a chassis so that it can be driven up and down. A rotary plate is attached to the raised/lowered member so as to be rotationally driven, and a plurality of plates are attached to the rotary plate. The set container is rotated symmetrically around the rotation axis of the rotary plate and the cassette attachment/detachment positions are placed at equal intervals. It is installed so that it can take two positions: and the play position, and has multiple tape running mechanisms. Fixed to the chassis, when the cassette container is in the play position and the rotating plate makes a specific rotation. When the tape cassette stored in the cassette container is lowered in the It is configured to be attached to a tape running mechanism.

[0007]

[Effect]

According to the magnetic tape recording and reproducing device of this invention, a tape cassette to be played is inserted. Rotate the cassette container so that it is directly above the playing tape transport mechanism. The tape cassette is attached to the traveling mechanism by rotating the plate and lowering the lifting member. A performance is then held. At least one other tape cassette is then It is attached to a rewinding mechanism and can be rewound while playing. When the performance is finished, the elevating section A cassette container into which a tape cassette that has been rewound with material raised is inserted. Rotate the rotary plate so that it is directly above the performance tape running mechanism and lower the elevating member. The next tape cassette can be played by pressing the button. stored in the device When replacing a tape cassette that is Place the container in the cassette loading/unloading position and remove the tape cassette from the cassette container. Insert another tape cassette into the cassette container.

[0008]

【Example】

A magnetic tape recording/reproducing apparatus which is an embodiment of this invention will be explained based on the drawings. Figure 1 is a plan view showing a magnetic tape recording/reproducing device which is an embodiment of this invention, and Figure 2 is the same. A front view, and FIG. 3 is a side view of the same. As shown in the figure, side plates 2 and 3 is fixed to form a chassis. The bottom plate 1 further includes a tape running mechanism. M1 and M2 are fixed. The elevating member 4 is supported by the chassis so that it can move up and down. It is. In other words, the pins 5, 6, 7 and Reference numeral 8 indicates vertical guide grooves 9 and 10 provided in side plates 2 and 3, and slider 1. It is inserted through the Z-shaped guide grooves 18, 18, . . . Slider 11 and Pins 1 erected in the horizontal guide grooves 17, 17, and 12 of the side plates 2 and 3 3, 14, 15 and 16 are inserted, and sliders 11 and 12 are attached to the chassis. It is supported for horizontal movement. Lacks provided on sliders 11 and 12 R1 and R1 are pinions G fixed to a shaft 58 rotatably supported by the chassis. 8, G8, and the horizontal movement distance of slider 11 and slider 12 is equal. The slider 11 is further provided with a rack R2. meshes with the pinion of gear G5, which is rotatably supported on the chassis. gear The large gear of G5 meshes with the small gear of gear G6, which is rotatably supported on the chassis. , the worm wheel of gear G6 is the worm of motor MT2 fixed to the chassis. It meshes with G7. Slider 11 and slider 12 are rotated by the rotation of motor MT2. It moves in the horizontal direction, and the elevating member 4 moves up and down.

[0009] A shaft 19 is erected downward on the elevating member 4. Rotating plate 20 rotates on shaft 19 freely supported. A gear is formed around the rotating plate 20, and a lifting member A reduction gear consisting of a motor MT1 supported by 4 and gears G4, G3, G2, and G1. Rotationally driven by the convoy. A position detection sensor 55 is further attached to the elevating member 4. The light beam passes through the holes 56, 56, . . . of the rotating plate 20, which are shown in detail in FIG. As a result, the rotational position of the rotary plate 20 is detected. The rotating plate 20 is attached to the elevating member 4 The plate springs 54a, 54a with bent rollers and the coil spring arranged around the shaft 19 It is urged downward by the screw 54b (shown in FIG. 10) and is pressed against the step of the shaft 19. Ru. FIG. 4 shows the members attached to the lower side of the rotary plate 20 using the rotary plate 20 as a transparent material. It shows. As shown in the figure, the rotating plate 20 has L-shaped fittings 21, 22, 23 and 2. 4 is tightened. A cassette container 25 rotates on the L-shaped fittings 21 and 22. A cassette container 26 is freely supported, and a cassette container 26 is rotatably supported on the L-shaped fittings 23 and 24. is supported by FIG. 5 is a side view showing the cassette containers 25 and 26. . However, a part of the cassette container 25 is shown cut away. Figure 4 and figures 5, the cassette container 25 is supported via shafts 27 and 28. cassette container 26 is supported via shafts 29 and 30. Also , the cassette containers 25 and 26 are held up by torsion coil springs 31 and 31, respectively. It is biased to tilt in the opposite direction. In Figure 5, the cassette container 26 is tilted upward. This state is shown by a two-dot chain line. The rotation range of the cassette container 26 is an L-shaped metal fitting. 23 is limited by a pin 32 erected and a bent part 33 of the L-shaped fitting 23, The rotation range of the cassette container 25 is similarly limited. As shown in Figure 4, A pressing member 35 is attached to the cassette container 26, and a pressing member 35 is attached to the cassette container 26. When 26 is in the horizontal position, actuate the switch 34 fixed to the rotary plate 20. Ru. The same applies to the cassette container 25. In addition, cassette containers 25 and 2 As shown in FIGS. 1 and 8, holes are provided in the elevating member 4 so as not to impede the tilting movement of the elevating member 6. 59, 59 are provided. Further, as shown in FIG. 8, the rotating plate 20 also has holes 6. 0,60 are provided. Furthermore, as shown in Figures 1 and 2, the cassette The antennas 25 and 26 are provided with leaf springs 57, 57, which press the inserted cassette. installed.

0010 Next, with reference to FIGS. 4 to 9, the cassette containers 25 and 26 are placed in a horizontal position. The locking mechanism will be explained. As shown in FIG. 4, the rotating plate 20 has a locking mechanism. A plate 36 supporting the is fixed via pins 37, 37, . plate 36, sliders 38 and 39 are connected to pins 40 and 40, as shown in detail in FIG. It is slidably attached via... Slider 38 is shown in detail in FIG. A hook 41 is integrally formed on the cassette container 26, and a pin 42 installed vertically on the cassette container 26 can be attached to the cassette container 26. to lock. Note that FIG. 7 shows the cassette container 25 cut away, and the slide Although the slider 39 is shown with the slider 39 removed, a hook is formed in the same way, and the slider 39 is also provided with a hook. The set container 25 is locked. Sliders 38 and 39 and plate 36 are installed vertically Coil springs 46, 46 are hung between the hook 41 and the pin. 42. Also, as shown in detail in FIG. 6, sliders 38 and 3 9 has pins 43, 43 erected, and the pins 43, 43 are attached to the plate 36 with the shaft 4. The lever 44 is in contact with a lever 44 which is rotatably supported via a lever 5 . Slider 47 is It is slidably supported on the rolling plate 20 via pins 50, 50. Arm 48 is rotated It is rotatably supported by a shaft 49 erected on the rolling plate 20. Arm 48 and Pins 52 and 51 are installed upright in the slider 47 in long holes provided in the arm 44 and the slider 47. are inserted through each of them, and the rotation of arm 48 is transmitted to arm 44. arm 48 A pin 53 is erected at the tip. The arm 48 rotates together with the rotating plate 20. However, as shown in FIG. has been established. Therefore, the rotary plate 20 rotates counterclockwise and the pin 5 of the arm 48 3 is pressed by the pressing member 54 and the arm 48 rotates clockwise, the arm 44 The cassette containers 25 and 26 are unlocked by rotating counterclockwise, and the cassette containers 25 and 26 are unlocked. The cut containers 25 and 26 pivot upward. The cassette container 26 is shown in FIG. It is shown rotated upward.

[0011] Next, the operation of this magnetic tape recording/reproducing apparatus will be explained. The initial state is shown in Figures 1 and 2. and shown in FIG. From this state, start the motor MT1 and rotate the rotating plate 20. When rotated counterclockwise, the pin 53 of the arm 48 is pressed against the pressing member 54, Cassette containers 25 and 26 are unlocked. Cassette container 25 and 26 are rotated upward from the horizontal position by the elasticity of the torsion coil spring 31. FIG. 9 shows a state in which the cassette container 26 has been rotated upward. Then the mode The rotation plate 20 is returned to its initial position by rotating the motor MT1 in the opposite direction. cassette like this The tape cassette is inserted or removed while the container 26 is rotated upward. Ru. That is, insert the tape cassette into the cassette container as shown in Figure 11. Ru. Figure 12 shows the tape cassette inserted into the cassette container. Ru. The tape cassette is inserted into the cassette container and the cassette container is pushed down. Then, the cassette container is locked by the locking mechanism and kept in a horizontal state. that state is shown in FIG. The rotational position of the cassette container is detected by the switch 34. . The overall state in the state shown in Fig. 13 is the initial state shown in Figs. 1, 2, and 3. with tape cassettes inserted in cassette containers 25 and 26. be. In this state, the tape cassettes inserted into the cassette containers 25 and 26 The motor is located directly above the tape transport mechanisms M1 and M2, and is raised by rotating the motor MT2. By lowering the lowering member 4, the tape cassette is loaded onto the tape traveling mechanisms M1 and M2. is installed. When installed, the tape cassette has a leaf spring 54a and a torsion coil spring 5. 4b and the leaf spring 57 of the cassette container to press against the tape traveling mechanism. 14 and 15 show a state in which the elevating member 4 is lowered. In this state, the tape The tape cassette is played by one tape drive mechanism and rewound by the other tape drive mechanism. be done. When the tape has been played, the motor MT2 is rotated to move the elevating member 4 as shown in FIG. It is raised to the position shown in FIGS. 2 and 3 to be in the initial state. Next, motor MT 1, the rotating plate 20 is rotated 180 degrees clockwise. In Fig. 16, there are four rotating plates 20. A state rotated by 5° is shown. Figure 17 shows the state in which the rotating plate 20 is rotated 90 degrees. It is shown. FIG. 18 shows a state in which the rotary plate 20 has been rotated by 180 degrees. times When the rotary plate 20 rotates 180 degrees, it is first attached to the tape traveling mechanisms M1 and M2. One tape cassette faces another tape cassette. In this state, lower the lifting member 4. The tape cassette that was previously rewound can be played back. After playback, To replace the cassette, raise the elevating member 4 and rotate the rotary plate 20 counterclockwise. This is done by letting

0012 Although the embodiment is configured as described above, the invention is not limited to this. Three tape containers are arranged at 120° intervals, and two or three tape transport mechanisms are arranged. It is sufficient that there is at least one tape running mechanism for playback. The traveling mechanism may be dedicated to rewinding.

[0013]

[Effect of the idea]

According to the magnetic tape recording and reproducing device of this invention, the vertical movement of the elevating member and the rotation of the rotary plate are The mechanism is simple because the tape cassette can be replaced with just a rotating motion.

[0014] In addition, tape cassettes can be attached to each tape transport mechanism at the same time, so one tape cassette can be While the tape is being played back by one tape running mechanism, the other tape running mechanism can be used to rewind the tape. Waiting time will be shorter.

[Brief explanation of drawings]

FIG. 1 is a plan view showing a magnetic tape recording/reproducing apparatus which is an embodiment of this invention.

FIG. 2 is a front view showing the magnetic tape recording and reproducing apparatus.

FIG. 3 is a side view showing the magnetic tape recording and reproducing apparatus.

FIG. 4 is a plan view showing a portion of the magnetic tape recording/reproducing apparatus.

FIG. 5 is a side view showing a portion of the magnetic tape recording/reproducing apparatus.

FIG. 6 is a plan view showing a portion of the magnetic tape recording/reproducing apparatus.

FIG. 7 is a side view showing a portion of the magnetic tape recording/reproducing apparatus.

FIG. 8 is a plan view showing the operating state of the magnetic tape recording and reproducing apparatus.

FIG. 9 is a side view showing the operating state of the magnetic tape recording and reproducing apparatus.

FIG. 10 is a side view showing a portion of the magnetic tape recording/reproducing apparatus.

FIG. 11 is a partial side view showing the operating state of the magnetic tape recording/reproducing apparatus.

FIG. 12 is a partial side view showing the operating state of the magnetic tape recording/reproducing apparatus.

FIG. 13 is a partial side view showing the operating state of the magnetic tape recording/reproducing apparatus.

FIG. 14 is a front view showing the operating state of the magnetic tape recording and reproducing apparatus.

FIG. 15 is a side view showing the operating state of the magnetic tape recording/reproducing apparatus.

FIG. 16 is a plan view showing the operating state of the magnetic tape recording/reproducing apparatus.

FIG. 17 is a plan view showing the operating state of the magnetic tape recording and reproducing apparatus.

FIG. 18 is a plan view showing the operating state of the magnetic tape recording and reproducing apparatus.

FIG. 19 is a plan view showing an example of a conventional magnetic tape recording/reproducing device.

FIG. 20 is a front view showing an example of the magnetic tape recording/reproducing apparatus.

[Explanation of symbols]

1 Bottom plate 2 Side plate 3 Side plate 4 Lifting member 19 axis 20 rotating plate 25 Cassette container 26 Cassette container

Claims (1)

[Scope of utility model registration request] Claim 1: A rotary plate is rotatably attached to an elevating member disposed on a chassis so as to be driven up and down,
A plurality of cassette containers are mounted on the rotary plate rotationally symmetrically and at equal intervals around the rotation axis of the rotary plate so that they can take two positions, a cassette loading/unloading position and a play position, and a plurality of tape running mechanisms are fixed to the chassis. . A magnetic tape recording and reproducing apparatus configured such that a tape cassette housed in a cassette container is mounted on the tape traveling mechanism when the cassette container is in a play position and the rotary plate is lowered at a specific rotation position.