JPS6112606Y2 - - Google Patents

Description

[Detailed description of the invention] This invention relates to a cassette-type tape player, and relates to a mechanism for moving a board with a reel stand during recording and playback.
The purpose is to make it smaller.

Below, the main idea will be explained based on examples.A
The frame serves as the main body of the tape player, to which the various parts constituting the tape player are attached. B is a board equipped with a pair of reel stands 1, a capstan shaft, a flywheel, etc. (not shown).

Reference numeral _D1 denotes a first board moving mechanism that moves the board B to the recording/playback state as the tape cassette is inserted, and is comprised of the members described below.

2 and 3 are shift levers, and one end 5 and 6 is the container frame A.
The other ends 8 and 9 are engaged with the substrate B through long holes 50 and 51, respectively, and serve to move the substrate B up and down.

Reference numeral 11 denotes an operating member which is slidably mounted on a pair of protruding shafts 13 and 14 protruding from the right side of the container frame through elongated holes 15 and 16. 22 and 23 are oblique holes, and horizontal holes 2 parallel to the sliding direction of the operating member are provided at both ends of the holes.
2', 22'', and 23'' are arranged in series. Shift lever operating pins 25 and 26 protruding from the intermediate portion of each shift lever are fitted into the oblique hole and the horizontal hole. Reference numeral 28 denotes a rotating hook, which is pivotally attached to the folded piece 11' of the operating member 11, and is applied with a rotational force in one direction by a spring 29. Reference numeral 28' denotes a restriction piece that restricts the rotation of the rotation hook in the counterclockwise direction.

A regulating member 30 is slidably guided by the protruding shafts 13 and 14 through elongated holes 31 and 32, and has notches 33 and 34 formed in its intermediate portion into which the shift lever operating pins 25 and 26 fit.

Reference numeral 35 denotes an eject lever, which is provided with a roller 36 on one end of which the cassette comes into contact, and an engagement pin 37 that engages with the regulating piece 30 on the other end. 38
is the operating member operating spring. 39 is an operation member operating lever, one end of which is connected to the shaft pin 4 provided in the container frame A.
A protruding shaft 41 is provided at the other end to coaxially fit with the eject lever 35 and the operating member operating spring 38, and the other end engages with the rotation hook 28. Both ends of the operating member operating spring 38 contact the eject lever 35 and the folded piece 42 of the operating member actuating lever 39, respectively, and press the operating lever 39 against the folded piece 43 of the eject lever 35. Reference numeral 44 denotes a regulating pin protruding from the container frame A, with which the rotating hook 28 comes into contact.

Next, each component of the second board moving mechanism _D2 will be explained.

4 is a shift lever, one end 7 of which is pivotally connected to the container frame A, the other end 10 is pivotally connected to the board via a long hole 52, and the other end is pivotally connected to the board B.
Its role is to move it up and down.

Reference numeral 12 denotes an operating member, which includes a protruding shaft 17 protruding from the left side of the container frame A and elongated holes 18 and 19 in the aforementioned protruding shaft 7.
Each is equipped to be able to slide freely through the .
49 urges the operating member 12 in one direction. It's a spring. Reference numeral 24 denotes a diagonal hole bored on the operating member 12, and horizontal holes 24' and 24'' parallel to the sliding direction of the operating member 12 are successively provided at both ends thereof.
An operating pin 27 protruding from the intermediate portion of the shift lever 4 is fitted into the oblique hole and the horizontal hole.

The above-described second board moving mechanism includes a rotary lever whose both ends are engaged with the operating member 12 and the operating member 11 of the first board moving mechanism _D2 , and whose intermediate portion 20 is pivotally connected to the container frame A. 21, the first substrate moving mechanism
It is linked with _D1 . Therefore, when the first substrate moving mechanism is actuated by insertion of the cassette, the second substrate moving mechanism is actuated by the rotation lever 21, and the shift levers 2, 3, and 4 move the substrate B.
will move to the recording/playback state. The movement is carried out by a pair of guide shafts 53, 5 protruding from the board B.
4 is guided by guide holes 55 and 56 on the container frame A, and is vertically accurately carried out. Reference numerals 45, 46, and 47 are elongated holes bored on both sides of the container frame A, through which the aforementioned shift lever operating pins 25, 26, and 27 pass.

In the above configuration, when a cassette is inserted into a cassette guide (not shown) and pressed in the horizontal direction for the purpose of recording or playback, the end of the cassette comes into contact with the roller 36, and the eject lever 3
5 rotates clockwise (in FIG. 1) around the shaft pin 40, and the regulating member 30 is slid toward the front via the engagement pin 37. On the other hand, as the eject lever 35 rotates,
The operating member operating spring 38 is compressed and elasticity acts on the operating member operating lever 39, and the eject lever 35 and the operating lever 39 tend to rotate together. However, the operating lever 39 is not connected to the protruding shaft 4.
1 is locked to the rotating hook 28 (in the state shown in FIG. 1, the shape of the rotating hook 28 prevents clockwise rotational force from being applied to the hook, so the protruding shaft 41 does not move away from the hook 28). Further, since the rotation hook 28 is restricted from rotating by the regulating piece 28' abutting against the folded piece 11 of the operating member 11, the elasticity acts on the operating member 11. However, in order for the operating member 11 to slide under the influence of elasticity, it is necessary to push up the shift lever actuating pins 25 and 26 through the diagonal holes 22 and 23, but the actuating pin does not push up on the side edge 30' of the regulating member 30. It cannot slide because its movement is restricted by. Therefore, as the eject lever 35 rotates, the regulating member 30 moves to a position where the notches 33 and 34 engage with the shift lever operating pins 25 and 26, that is, a position where the operating pins 25 and 26 can move. If it does not slide, the operating member 11 will not be able to slide, and during this time the operating lever 39 will also be restricted from rotating, so the pressing energy of the cassette will be accumulated in the operating spring 38.

On the other hand, since the spring 48 stretched between the operating member 11 and the regulating member 30 is expanded by the sliding movement of only the regulating member, a part of the energy generated by the pressing of the cassette is stored.

If the cassette is continued to be pressed after that, the restriction member continues to move forward via the eject lever, and when the notches 33 and 34 come to the positions of the shift lever operating pins 25 and 26, the restriction member is moved by the side edge 30'. The restriction on movement of the actuating pins 25 and 26 is released. At the same time, the energy stored in the operating spring 38 causes the operating members 11 and 12 to
slides and pushes up the operating pins 25, 26 and 27 through the oblique holes 22, 23 and 24, and the substrate B is raised via the shift levers 2, 3 and 4. The rise is caused by the guide shafts 53, 54 and the guide holes 55, 56.
This is done vertically by mating with the On the other hand, the spring 48 also uses accumulated energy to pull the operating member 11 to a position where it is regulated by the protrusions 13 and 14. And spring 48
horizontal holes 22', 2 in the shift lever actuating pins 25, 26 and 27
The operating member 11 is pulled forward so that 3' and 24' are positioned to prevent the board B from falling.

Furthermore, the rotation of the rotating hook 28 pivotally mounted on the operating member 11 remains restricted due to the engagement between the regulating piece 28' and the folding piece 11' on the operating member 11, as described above. The operating member 11 slides under the elasticity of the operating member operating spring 38, and the rotating hook 28 itself also moves together with the operating member 11. When the operating member 11 slides a certain amount, a portion of the rotating hook 28 comes into contact with the regulating pin 44 and is rotated in the rotational direction of the clock, disengaging from the operating member actuating lever 39. Thereafter, the actuating lever 39 comes into contact with the folded piece 43 of the eject lever 35 due to the elasticity of the actuating spring 38 itself, and is completely disengaged from the rotating hook.

Next, we will explain the eject operation from the recording/playback state shown in FIG.
The regulating piece 28' moves forward together with the operating member while being in contact with the folding piece 11'. Further, the shift lever operating pins 25, 26 and 27 are connected to the oblique holes 22, 23 and 24.
is pushed down by At the same time, the substrate B begins to fall vertically via the shift levers 2, 3, and 4. On the other hand, the regulating member 30 has the actuating pins 25 and 2
While the notches 6 are engaged with the notches 33 and 34, sliding is restricted. Energy is therefore stored in the spring 48. On the other hand, the other operating member 1
2 is a rotating lever 2 by pressing the operating member 11.
1, while pulling the spring 49, the actuating pin 27 is pushed down. By further pressing the operating member 11, the actuating pins 25 and 26 are pulled out from the notches 33 and 34, and at the same time the energy stored in the spring 48 is released, and the regulating member 30 is moved in the same direction as the pressing direction of the operating member. However, the operating member 11 is slid on the protruding shaft 13.
The sliding movement is regulated by and 14. After that, only the regulating member 30 slides, and the eject lever 3 is integrated with the operating member operating spring 38.
5 and the operating lever 39 counterclockwise,
The protruding shaft 41 engages with the rotating hook 28 which is stopped. When the pressing of the operating member 11 is finished, the regulating member 30 and the operating member 30 settle down with the operating pin 26 being held between the diagonal hole 23 and the side edge 30' of the regulating member 30 by the spring 48. This will prepare it for the next cassette insertion.

As described above, according to the present invention, when the cassette is inserted, elastic energy is accumulated in the operating member operating spring 38 and the spring 48 stretched between the operating member 11 and the regulating member 30, so that the cassette is almost inserted. When the rotation is completed, the operating member 11 slides due to the elastic energy, and this sliding causes the other operating member 12 connected by the rotation lever 21 to slide.

In other words, the board B is installed on both sides of the device frame A.
The first board moving mechanism and the second board moving mechanism, which are engaged on both sides of the board, are connected by a rotating lever that rotates in a plane around the midpoint, so it is easy to use as a connecting mechanism. This is an extremely useful device, as it not only provides a mechanism that takes up a minimum amount of space, but is also compact.

[Brief explanation of the drawing]

All the drawings are examples of this project, and Figure 1 is a plan view.
Figure 2 is a right side view, Figure 3 is a left side view, Figure 4 is a plan view of the cassette inserted state, Figure 5 is a right side view of Figure 4, Figure 6 is a left side view, and Figure 7 is a left side view. FIG. 3 is a component diagram of the first board moving mechanism. In the figure, A is the container frame, B is the board, C is the cassette,
D ₁ is a first board moving mechanism, D ₂ is a second board moving mechanism, 1 is a reel stand, 2 to 4 are shift levers,
11 and 12 are operating members, 21 is a rotating lever, 2
2, 23 and 24 are oblique holes, 25, 26 and 27 are shift lever operating pins, 28 is a rotating hook, 30
33 and 34 are notches, 35 is an ejection lever, 38 is an operation member operating spring, 39
48 is an operating member operating lever, and 48 is an eject spring.

Claims (1)

[Scope of utility model registration request] A first board movable mechanism for moving a board with a reel stand to a position where the tape cassette is played by inserting a tape cassette into the cassette guide is provided on both sides of the container frame provided with the cassette guide; A cassette-type tape player comprising a first substrate moving mechanism and a second substrate moving mechanism so as to move the substrate to a position for playing a tape cassette in cooperation with the second substrate moving mechanism. A cassette-type tape player characterized in that the first and second substrate moving mechanisms are respectively connected to both ends of a rotary link which is rotatably mounted.