JPS581890Y2 - tape recorder - Google Patents

Description

[Detailed description of the invention] ゛・This invention relates to a tape recorder, and its purpose is to ensure that the slide body that moves as the cassette is inserted and ejected operates reliably, thereby allowing insertion and ejection without malfunction. It is to provide the mechanism.

That is, to explain the present invention using the embodiments shown in FIGS. 1 to 7, 1 is a deck equipped with a tape drive mechanism such as reel shafts 2, 2 and a capstan (not shown), and 3 is an upper part of the deck 1. The upper frame 5 arranged with the shafts 4, . . . is a guide groove provided in the upper frame 3, and the guide groove 5 extends from the vicinity of the cassette insertion opening to the inner part thereof.

6 is a holder provided between the deck 1 and the upper frame 3;
The holder 6 is movable between an insertion position for inserting the cassette C and a playing position for engaging the cassette with a tape drive mechanism such as the reel shafts 2, 2, and is usually moved by a spring (not shown). It is energized in the direction of the playing position.

Reference numeral 7 denotes a magnetic head, and the magnetic head γ is slidably mounted on the deck 1 via a head substrate (not shown), and moves as the holder 6 moves.

Reference numeral 8 denotes a locking member rotatably provided on the shaft 4 for mounting the upper frame 3 on the deck 1, and is located at the inner part of the holder 6 to hold the holder 6 in the insertion position.

As shown in FIG. 7, the locking member 8 is provided with a shoulder portion 9 for holding the holder 6 and a locking piece 10 for locking a slide body 11, which will be described later.

The lock member 8 is biased by a spring (not shown) in a direction in which it engages with the holder 6, that is, in a counterclockwise direction.

11 is a slide body that can slide back and forth in the guide groove 5 provided in the upper frame 3, as shown in FIG. 6, and the slide body 11 holds the edge of the guide groove 5. be.

Reference numeral 12 denotes a spring plate provided on the lower surface of the slide body 11. The spring plate 12 is provided with an engaging element 13 for engaging with the reel hole a of the cassette C. The engaging element 13 is attached to the holder 6.
protrudes inward.

Reference numeral 14 denotes a hook member provided at the rear of the slide body 11 as shown in FIG.
The slide body 11 is held by engaging with the locking piece 10 of the slide body 11.

The hook member 14 consists of a hanging part 14a that projects downward from the main body of the slide body 11, and an engaging part 14b that projects rearward from the hanging part 14a.The hanging part 14a engages with the cassette C, and the engaging part 14b engages with the locking member 8.

Further, the engaging portion 14b has a substantially U-shape, and the rearmost substantially U-shaped leg 14c is shorter than the front leg 14d.

Reference numeral 15 denotes a lever rotatably supported on the upper frame 3, and the lever 15 is biased by a spring 16 in the insertion direction.

Reference numeral 17 denotes a reversing spring suspended between one end 15a of the lever 15 and the slide body 11.

Next, to explain the operation of the present invention, first, when the cassette (f) is inserted into the holder 6 at the cassette insertion position,
The front edge of the cassette C comes into contact with an engager 13 provided on the slide body 11.

Since the engaging element 13 is provided on the spring plate 12, the spring plate 12 is pushed up and the engaging element 13 rides on the surface of the cassette C. Thereafter, it engages with the reel hole a and moves toward the rear of the slide body 11. Hanging portion 1 of the provided hook member 14
4a comes into contact with the side surface of the cassette C.

Then, when the cassette C is further pressed, the slide body 11
moves against the elasticity of the reversing spring 17, and the reversing spring 1 moves on the way.
7 passes the dead center, that is, when the attachment point of the reversing spring 17 to the slide body 11 passes the line connecting the center of rotation of the lever 15 and the other attachment point of the reversing spring 17, the reversing spring 170
Since the elasticity is reversed, the slide body 11 automatically slides toward the inner part.

Therefore, the cassette C is also pulled in by the innermost edge of the holder 6.

When the slide body 11 moves with the inner part, the slide body 11
Since the hook member 14 provided in the lock member 8 contacts and presses the locking piece 10 of the lock member 8, the lock member 8 rotates clockwise about the shaft 4.

Therefore, the shoulder 9 of the locking member 8 is disengaged from the holder 6, the holder 6 moves to the performance position, and the magnetic head T and the like also move to the performance position to start playing.

Note that the hook member 14 of the slide body 11 is connected to the lock member 8.
When the locking piece 10 is pressed and rotated, the hook member 14 engages with the locking piece 10 and prevents the slide body from returning. When the body 11 moves, the hook member 1
The leg 14a of No. 4 comes into contact with the locking piece 10 of the locking member 8.

At this time, the locking piece 10 of the locking member 8 is in a diagonal state with respect to the holder 6, and the leg 14c of the hook member 14 is in a positional relationship such that it cannot come into contact with the locking piece 10.

Then, since the legs 14d rotate the locking member 8, the holding of the holder 6 is released and the holder 6 is lowered.

The broken locking member 8 tries to return to its original state, but since a part of it is in contact with the holder 6, it cannot return beyond a certain level, and the leg 14c becomes approximately perpendicular to the holder 6 as shown in the figure. It engages with the locking piece 10.

Therefore, the slide body 11 is held in that position.

Then, when an eject lever (not shown) or the like is operated, the holder 6 rises and returns to the original insertion position, so the engagement between the holder 6 and the lock member 8 is released, and the lock member 8 is rotated. The shoulder portion 9 holds the holder 6 in that position, and the locking piece 10 of the lock member 8 and the hook member 14 of the slide body 11 are disengaged.

When the nuff lever is operated, the lever 15
is rotated to the position shown by the broken line in FIG. 4, so the direction of pressure of the reversing spring 17 is the discharge direction.

Therefore, as soon as the engagement between the hook member 14 and the lock member 8 is released, the slide body 11 returns to its original position, and accordingly, the cassette C is pushed by the hanging portion 14a and is automatically ejected. The reel hole a is the holder 13 of the slide body 11
Because it is engaged with holder 6, there is a lot of force (it will not fly out from holder 6).

As described above, in the present invention, when the holder 6 is positioned at the performance position, the hook member 14 of the slide body 11 engages with the lock member 8 associated with the holder 6, and the slide body 11 is held in that position and prevented from returning. As the holder 6 is returned to the insertion position after being prevented and untwisted, the locking member 8 is rotated to hold the holder 6 in the insertion position and release the slide body 11 from holding the cassette. This has the advantage that insertion and ejection can be carried out reliably without any errors.

[Brief explanation of drawings]

The drawings all show embodiments of the present invention, and FIG. 1 is a side view showing the holder 6 in the insertion position, and FIG. 2 is a side view showing the holder 6 in the performance position. 3 is a plan view showing the holder 6 in the insertion position, FIG. 4 is a schematic plan view, and FIG. 5 A is a plan view showing the relationship between the hook member 14 and the lock member 8. , FIG. 6 is a perspective view of the slide body 11, and FIG. 7 is a perspective view of the locking member 8. 1...Deck, 2...Reel axis, 3.
...Top frame, 5...Guide groove, 6...
...Holder, 8...Lock member, 11...
...Slide body, 17...Reversal spring. 15... Lever

Claims (1)

[Scope of utility model registration request] A deck equipped with a tape drive mechanism such as a reel shaft, an upper frame provided above the deck and provided with a guide groove, a slide body that slides in the guide groove, and a slide body that rotates on the upper frame or the deck. a reversing spring suspended between the lever and the slide body, the lever being located between the deck and the upper frame, and capable of moving between a cassette insertion position and a playing position. a lock member for holding the holder in the insertion position; and a locking piece provided on the lock member that engages with the slide body when the holder is released from the insertion position. , the slide body is brought into contact with the lock member when the cassette is inserted, the lock member is rotated to release the holding of the holder, and the slide body is held by a locking piece of the lock member. tape recorder.