JPH07161105A - Cassette loading mechanism - Google Patents

Abstract

PURPOSE:To simplify a mechanism, reduce the number of components and avoid the cost increase by a method wherein an ACC catcher part is provided on the one end of a catcher and a DCC catcher part is provided on the other end of the same catcher. CONSTITUTION:An ACC catcher part 35b which is retained by the reel shaft insertion hole 34 of an ACC 33 when the ACC 33 is inserted is provided on the one end gf a catcher 35. A DCC catcher part 35a which is retained by the retaining recess of a DCC is provided on the other end of the same catcher 35. The catcher 35 is provided on a slide plate 2 so as to turn freely. With this constitution, it is not necessary to provide a first catcher which catches the DCC and a second catcher which catches the ACC 33 separately like in the conventional constitution, a cassette loading mechanism can be simplified, the number of components can be reduced and the cost increase can be avoided.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a digital compact cassette (hereinafter referred to as DCC) and an analog compact cassette (hereinafter referred to as A) in a tape player.
(Referred to as CC) cassette loading mechanism.

[0002]

2. Description of the Related Art DCC has emerged as a next-generation digital tape audio, but this DCC cannot be used in a tape player for ACC. On the contrary, ACC cannot be used in a DCC tape player. In view of this point, the present applicant previously applied for a cassette loading mechanism having a configuration in which DCC and ACC can be commonly loaded in order to realize a tape player in which DCC and ACC can be commonly used.
-83598).

According to the first aspect of the cassette loading mechanism, as shown in the plan view of FIG. 9, a pack guide 1 is provided with a slide plate 2 which reciprocates in the moving direction of the cassette. The configuration is characterized by including a first catcher 13 for DCC engagement and a second catcher 15 for ACC engagement. According to a second aspect of the present invention, in the cassette loading mechanism according to the first aspect, the second catcher 15 is supported by a supporting portion having a spring property, and the second catcher 15 has a second catcher 15 when the DCC is used. Catcher 1
A wing 5 moves on the upper surface side of the pack guide 1 by riding on the upper surface of the DCC and is lifted, and the second catcher 15 engages with the ACC to move the lower surface part of the pack guide 1 when the ACC is used. It is characterized by a structure provided with 15b and 15c.

FIG. 10 is a side view for explaining the operation of the cassette loading mechanism when the DCC 20 is inserted into a tape player having such a cassette loading mechanism. When the DCC 20 is inserted into the tape player, the operation of the DCC 20 will be described. The first catcher 13 in the mating recess 29
In the state where the engaging protrusion 13a is engaged, the swing arm 3 rotates counterclockwise, the slide plate 2 advances, and the DCC 20 advances via the first catcher 13 to perform loading. Be seen. In this case, the engagement protrusion 15a of the second catcher 15 rides on the upper surface 20a of the DCC 20 and the catcher 15 is lifted. Therefore, the left and right wings 15 b and 15 c of the second catcher 15 are connected to the guide portion 8 of the opening 6 of the pack guide 1.
And slide on the upper surface of the pack guide 1.

Further, by loading the DCC 20,
Since the slide plate 2 advances and the engagement pin 17 of the slide plate 2 disengages the cam portion 19 of the lock plate 23, the lock plate 23 is rotated counterclockwise by the biasing spring 21. At this time, the lock pin 27 is locked by the DCC 20.
The lock pin 27 moves along the front side of the right side surface portion 20b of the slider, the lock pin 27 engages with the slider engaging portion 26, and the forward movement of the DCC 20 causes the lock pin 27 to move toward the inclined surface 22 of the cassette groove portion 22.
Slide a and push the slider 25 open. In the case of ejecting the DCC 20, the operation reverse to that in the above loading is performed.

Further, FIG. 11 shows a ACC3 for a tape player.
3 is a side view for explaining the operation of the cassette loading mechanism when the ACC 33 is inserted, and when the ACC 33 is inserted into the tape player, a second hole is formed in the reel shaft insertion hole 34 of the ACC 33.
With the engaging protrusion 15a of the catcher 15 engaged, the swing arm 3 rotates counterclockwise, the slide plate 2 moves forward, and the ACC 33 moves forward via the second catcher 15. Loading is done.
In this case, the left and right wings 15 of the second catcher 15
b and 15c slide on the lower surface of the pack guide 1 without riding on the guide portion 8 of the opening 6 of the pack guide 1.

Further, by loading the ACC33,
Since the slide plate 2 advances and the engaging pin 17 of the slide plate 2 disengages the cam portion 19 of the lock plate 23, the lock plate 23 tries to rotate counterclockwise by the biasing spring 21, but the lock pin 27 Is in contact with the front side portion of the right side surface portion 33b of the ACC 33, and therefore moves forward along the right side surface portion 33b of the ACC 33 to the horizontal movement completion position. In the case of ejecting the ACC 33, the reverse operation to that in the above loading is performed.

[0008]

By the way, in the above cassette loading mechanism, DCC and ACC
However, since the mechanism becomes complicated, there is a problem that the number of parts increases and an increase in cost cannot be avoided.

The present invention has been made to solve the above problems, and provides a cassette loading mechanism configured to reduce the number of parts and avoid cost increase by simplifying the mechanism. The purpose is.

[0010]

In order to achieve the above object, the present invention provides a catcher rotatably provided on a slide plate and an AC provided at one end of the catcher.
It has an ACC catcher part that engages with the lead hub of the ACC when C is inserted, and a DCC catcher part that is provided at the other end of the catcher and that engages with the DCC loading hole when the DCC is inserted. It is a thing.

[0011]

According to the structure of the present invention according to claim 1, the ACC catcher portion provided at one end of the catcher rotatably provided on the slide plate engages with the lead hub of the inserted ACC. Load ACC. Further, the DCC catcher portion provided at the other end of the catcher engages the loading hole of the inserted DCC to load the DCC.

[0012]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a side view showing a tape player equipped with a cassette loading mechanism according to the present invention.
The structure when C33 is inserted is shown. 2 is AC
The structure when C33 is advanced is shown.

Reference numeral 1 denotes a pack guide of a tape player, and a slide plate 2 is provided at the center of the pack guide 1 so as to be movable in the front-rear direction (the cassette entrance direction is the front, in FIG. 1, the left-right direction) as in the figure. Is provided. A catcher 35 is provided on the slide plate 2 so as to be rotatable around an engagement pin 35c as a rotation center, and when a DCC is inserted into one end of the catcher 35, the D
A DCC catcher portion 35a for catching (loading) CC and an ACC catcher portion 35b for catching (loading) the ACC when the ACC is inserted are provided at the other end of the catcher 35. The DCC catcher portion 35a engages with an engaging recess (loading hole) provided in the DCC to catch the DCC, and the ACC catcher portion 35b has a reel shaft insertion hole (lead hub) provided in the ACC. ) To catch the ACC. Also, the catcher 35 has a rotation stopper 35d.
Is provided.

A guide groove 36a is formed on the slide plate 2.
A holder 36 having is attached. The engagement pin 35c of the catcher 35 is engaged with the guide groove 36a of the holder 36 and is configured to be slidable in the vertical direction in the drawing. The catcher 35 is always urged by the elastic member 37 in the counterclockwise direction and downward in the drawing. When inserting the cassette, catcher 3
The engaging pin 35c, which is the center of rotation of the guide 5, is disengaged from the engaging portion 35d of the pack guide 1, and the guide groove 36 of the holder 36
It is configured to be pressed against the lower end of a.

Next, the operation of the cassette loading mechanism of this embodiment will be described. First, an example of inserting the ACC 33 will be described. When the ACC 33 is inserted into the tape player as shown in FIG. 1, the rotation stopper 35d of the catcher 35 contacts the slide plate 2 and
The reel shaft insertion hole (reel hub) 34 of 33 is engaged with the ACC catcher portion 35b provided at the other end of the catcher 35. In this state, the swing arm 3 rotates counterclockwise and the slide plate 2 moves forward,
The ACC 33 moves forward through the ACC catcher portion 35b to perform loading. FIG. 2 shows a state in which loading is completed. In the case of ejecting the ACC 33, the reverse operation to that in the above loading is performed.

An example of inserting the DCC 20 will now be described. When the DCC 20 is inserted into the tape player as shown in FIG. 3, the tip of the ACC catcher portion 35b is D.
The upper surface portion 20a of the CC 20 is abutted, and the DCC catcher portion 35a engages with the engagement recess (loading hole) 29 of the DCC 20. Swing arm 33 in this state
Rotates counterclockwise, the slide plate 2 moves forward, and the DCC2 is moved through the DCC catcher portion 35a.
0 advances and loading is performed. FIG. 4 shows a state where the loading is completed. In the case of ejecting the DCC 20, the operation reverse to that in the above loading is performed.

As described above, according to this embodiment, when the ACC 33 provided at one end of the catcher 35 is inserted, the ACC
A catcher portion 35b for ACC that engages with the reel shaft insertion hole 34 of 33, and D provided at the other end of the catcher 35
Since the catcher 35 having the DCC catcher portion 35a that engages with the engaging recess 29 of the DCC 20 when the CC 20 is inserted is rotatably provided on the slide plate 2, the first catcher for catching the DCC 20 as in the conventional case. In comparison with the case where a second catcher for catching the ACC33 and a second catcher are separately provided,
The loading mechanism can be simplified. Therefore,
Since the number of parts can be reduced, cost reduction can be avoided.

FIGS. 5 to 8 show another embodiment of the present invention and show a cassette press-contact mechanism provided in a tape player. 5 and 6 are a plan view and a side view in the stop mode, and FIG. 7 is a rewind (REW) (fast forward,
FIG. 8 shows a plan view in the FF) mode, and FIG. 8 shows a plan view in the play mode. The press contact plate 41 is the support shaft 41.
It is rotatably provided on the deck plate 48 with a as the center of rotation, and has an engaging pin 41b at one end.
The engagement pin 41b is provided on the cam portion 42 of the mode plate 42.
engaged with a. Play mode or FF / REW
In the mode, the press contact plate 41 is further rotated in the clockwise direction from the position of the stop mode to move the cassette 43.
The (DCC 20 or ACC 33) is pressed against the first stopper portion 44a and the second stopper portion 44b of the eject frame 44, and the reel shaft insertion hole 34 and the reference pin 45, 4 which are the positioning holes of the cassette 43.
It is configured to absorb the variation in the positional accuracy in 6 and maintain a stable position with respect to the head 47.

By equipping the tape player with such a cassette pressure contact mechanism, the eject, stop, play, and FF / REW modes can be switched in conjunction with the operation of the mode plate 42, so that the cassette 43 can be switched. On the other hand, when recording / reproducing, the tape of the cassette 42 can be accurately pressed against the head 47. Therefore, it is possible to eliminate variations in the position of the tape with respect to the head 47 in the play or FF / REW mode, and to perform stable recording and reproduction. In this respect, in the prior art, since there is no cassette pressure contact mechanism as in the present embodiment, the position of the tape in the play or FF / REW mode varies, so that stable recording and reproduction can be performed. However, these drawbacks are ameliorated by this embodiment.

[0020]

As described above, according to the present invention, an ACC catcher portion which is provided at one end of a catcher and engages with a reel shaft insertion hole of the ACC when the ACC is inserted,
DC provided when the DCC is inserted at the other end of the catcher
Since the catcher provided with the DCC catcher part that engages with the engaging recess of C is rotatably provided on the slide plate, the first catcher that catches DCC and the first catcher that catches ACC as in the conventional case. The cassette loading mechanism can be simplified as compared with the case where the two catchers are separately provided, and thus the number of parts can be reduced, so that cost reduction can be avoided.

[Brief description of drawings]

FIG. 1 is a side view illustrating an initial operation of inserting an ACC into a tape player including a cassette loading mechanism according to an embodiment of the present invention.

FIG. 2 is a side view for explaining a latter stage operation of inserting the ACC into the tape player equipped with the cassette loading mechanism.

FIG. 3 is a side view illustrating an initial operation of inserting a DCC into a tape player having the cassette loading mechanism.

FIG. 4 is a side view for explaining a latter stage operation of inserting the DCC into a tape player equipped with the cassette loading mechanism.

FIG. 5 is a plan view showing a configuration in a stop mode of a tape player having a cassette pressure contact mechanism of another embodiment of the present invention.

FIG. 6 is a side view of FIG.

FIG. 7 is a side view showing a configuration in a REW / FF mode of a tape player provided with the cassette pressure contact mechanism.

FIG. 8 is a side view showing a configuration in a play mode of a tape player including the cassette pressure contact mechanism.

FIG. 9 is a plan view showing a tape player provided with a conventional cassette loading mechanism.

FIG. 10 is a side view for explaining the operation of inserting the DCC into the tape player equipped with the cassette loading mechanism.

FIG. 11 is a side view for explaining the operation of inserting the ACC into the tape player equipped with the cassette loading mechanism.

[Explanation of symbols]

 1 pack guide 2 slide plate 20 DCC 29 DCC engaging recess (loading hole) 33 ACC 34 ACC reel shaft insertion hole (reel hub) 35 catcher 35a DCC catcher part 35b ACC catcher part 35c engagement pin 35d rotation stopper 36 Holder 36a Guide groove 41 Pressure contact plate 41a Engagement pin 42 Mode plate 44 Eject frame 44a First stopper part 44b Second stopper part 45,46 Reference pin 47 Head 48 Deck plate

Claims (1)

[Claims] 1. A catcher rotatably provided on a slide plate, and A provided at one end of the catcher.
ACC that engages with ACC lead hub when CC is inserted
And a DCC catcher portion that engages with the DCC loading hole when the DCC provided at the other end of the catcher is inserted.