JPH0191357A - Tape recorder device - Google Patents

Abstract

PURPOSE:To make a main body small-sized and thin by making a reel shaft capable of coming into contact with the lower surface of a cassette holder and moving downward when the cassette holder is moved. CONSTITUTION:When the cassette holder 500 is moved upward and downward, a driving sub chassis 400 is moved upward and downward through a driving mechanism. The sub chassis 400 is provided with a reel driving shaft 420. A reel table 421 and a collar 422 are attached to the shaft 420, and the collar 423 to regulate the movement of the reel collar 422 is fitted, and a retaining ring 424 is fitted. The reel collar 422 is provided with a projecting part 425 for driving the hub hole of the cassette, which is always engaged with the groove 426 of the table 421. Besides, a coil spring 427 is arranged inside the table 421, and when the upper surface of the real collar 422 is pushed, the projecting part 425 comes to be engaged with the groove 426 of the table 421, and the reel collar 422 can go down against the pressure of the spring 427. Accordingly, because when the cassette holder 500 is moved and the reel shaft 420 strikes it at its lower surface, it can move downward, the main body can be made thin and small-sized.

Description

[Detailed description of the invention] [Purpose of the invention] (Industrial usage f) The present invention relates to a tape recorder device.

(Prior art) In recent years, tape recorders that record and play back audio and visual video cassette tapes have become popular.
Recently, tape recorder devices have appeared that are capable of recording and playing back digitally using digital audio chip cassettes (hereinafter referred to as DAT cassettes).

The above-mentioned D A 'I' cassette is approximately 172 times the size of a conventional compact cassette tape, and has a lid and a slider on the cassette body.The lid covers the tape surface, and the slider covers the hub hole. Except when the cassette is set in a recorder device, the cassette has a sealed structure to prevent dirt and dust from entering the cassette, which can cause dropouts in digital recording.

When this D A 'r' cassette is inserted into a tape recorder, the slider is moved to expose the hub hole, the lid is opened and the tape is engaged with the guides and rollers, and these guides and rollers It is wound around a rotating head drum for digital recording and playback.

Therefore, in the tape recorder device described above, D A
``I'' cassette is automatically inserted into the rotating head drum.
- A front-loading AM is adopted.

In this full fund loading mechanism, by inserting the DAT cassette into the cassette insertion slot of the tape recorder main body, the DAT cassette is attached to the cassette holder, and the DAT cassette attached to this cassette bolt is installed inside the tape recorder. The slider is first moved in the opening direction, then the lid is opened, and then the cassette holder is lowered and
The AT cassette is attached to the drive mechanism. From this state, the tape is pulled out by guides and rollers and wound around the rotating head drum to perform digital recording and playback.

(Problems to be Solved by the Invention) By the way, in the tape recorder device using the above-mentioned DAT cassette, the front loading mechanism allows the DAT cassette mounted on the cassette holder to be connected to the reel shaft or the like that engages with the hub hole of the DAT cassette. In order to attach the DAT cassette mounted on the cassette boulder to the drive mechanism, the tape is first passed over a drive mechanism equipped with guides, rollers, etc. for guiding the tape to the rotating head drum, and then lowered. The thickness in the longitudinal direction takes into consideration the thickness of the DAT cassette and the height of the hub, rollers, etc. of the drive mechanism, and it is necessary to take this height into consideration when installing a rotating head drum or other drive mechanism. Another problem is that it is difficult to make the tape recorder device smaller and thinner.

The present invention has been made in view of the above-mentioned problems, and an object of the present invention is to provide a tape recorder device whose main body can be made smaller and thinner.

(Structure of the Invention) (Means for Solving the Problems) In order to achieve the objects mentioned in 14, the present invention has a cassette!
Pulling out the tape from the cassette half [In a tape recorder device that records and plays back tape using an IS1 rotating head, tape guide means is provided on the main chassis so as to be movable up and down and pulls out the tape of the cassette tape and guides the tape. and a drive system sub-chassis provided with a tape drive means for driving the tape, and a drive system sub-chassis on which the force setting tape is attached, and the cassette tape is movable in a guided manner toward the tape guide means and the tape drive means. a cassette holder provided; a vertical moving means for lowering the cassette holder and raising the drive system subchassis so that the cassette tape is engaged with the tape guide means and the tape drive means; and the drive system subchassis. and a reel shaft which is provided in the cassette holder and is capable of engaging with a hub hole of a cassette tape mounted on the cassette holder, and is movable downward when the cassette holder comes into contact with the lower surface of the cassette holder as the cassette holder moves. It is.

(Function) According to the present invention, when the cassette i-holder is moved, the reel shaft comes into contact with the lower surface of the cassette bolt and can be moved downward, so that the main body of the device can be made smaller and thinner. ,(
'J, I can do 3UA.

(Example) Hereinafter, an example of the present invention will be described in detail based on the drawings.

Fig. 1 is a plan view for explaining a tape recorder device according to an embodiment of the present invention, Fig. 2 is a side view with the - part omitted in Fig. 1, and Fig. 3 is an illustration of the reel shaft in Fig. 1. FIG.

In these figures, 100 indicates the main chassis. On this main chassis 100, a cylinder drum 200 having a head, a loading mechanism 300
, a drive system sub-chassis 400, and a cassette holder 500 are provided.

The cassette holder 500 has a cassette mounting portion 501 for mounting a DAT cassette, and claws 502 and 502 for opening the slider of the DAT cassette. Further, on both sides of the cassette holder 500, sliding guide bins 503 and 50 are provided to regulate the position of the cassette holder 500.
3... is provided.

Loading tl [300, main chassis 100
Fixed guide plates 301, 301 are provided above at predetermined intervals. This fixed guide plate 301 is formed with guide holes 302, 302, . It is moved along the hole 302.

The fixed guide plate 301 also includes fixed guide bins 303.
303 and position regulating elongated holes 304 and 304 are provided. The fixed guide bin 303 has a long slide hole 3 formed in the subchassis guide slider 305.
06.306 is engaged. The subchassis guide slider 305 has elongated holes 307 and 307 for subchassis movement that are related to the position regulating elongated hole 304 formed in the fixed guide plate 301, and is driven by a gear RJ11 (not shown). A drive bin 308 is formed, and a gear mechanism (not shown) drives the drive bin 308.
is driven, the subchassis guide slider 305 is moved in the horizontal direction.

The drive system sub-chassis 400 includes a loading mechanism 300
The fixed guide plates 301 and 301 are arranged between the fixed guide plates 301 and 301 on both sides of the drive system sub-chassis 400.
Engagement pins 401 and 401 are provided to be engaged with the position regulating elongated hole 304 of the subchassis guide slider 305 and the subchassis moving elongated hole 307 of the subchassis guide slider 305. The drive system sub-chassis 400 is provided with reel shafts 402, 402 that are engaged with the hub holes of the DAT cassette and driven. The drive system sub-chassis 400 is equipped with a tape guide roller 403 and a tape guide bin 404, and is moved along a guide hole 102 formed in a tape guide plate 101 provided in the main chassis 100 by a link mechanism (not shown). Share tape guide member 405.4
05 is installed. In addition, the sub-chassis 400 has
A tension bin 406a that pulls out the tape and applies a predetermined tension to the tape when it is wound around the cylinder drum 200 by a gear mechanism and a slide mechanism (not shown), and guide pins 407a and 408a that form a tape running system. Formed tension arm 406 and guide arm 407,408
A pinch roller arm 410 rotatably supports a pinch roller 409 for driving the tape. The pinch roller arm 410 is moved by a gear mechanism (not shown) and biased by a spring 411, so that the pinch roller 409 is moved toward the main chassis 10.
The capstan shaft 103 provided at 0 is contacted via the tape to drive the tape.

FIG. 3 is a cross-sectional side view for explaining details of the reel shaft 402 mentioned above.

The drive system sub-chassis 400 is provided with a reel drive shaft 420 that is driven by a drive mechanism (not shown) and is moved up and down as the drive system sub-chassis 400 moves up and down. A reel stand 421 is fixed to this reel drive shaft 420, and a reel collar 422 is mounted coaxially with this reel stand 421. Further, a collar 423 that restricts the movement of the reel collar 422 is fitted onto the reel drive shaft 420, and a stopper 424 is fitted onto the upper end of the reel drive shaft 420. The reel collar 422 has D A
A protrusion 425 is formed for driving the hub hole of the T-cassette. Also, on the reel stand 421, reel color 1
An engagement groove 426 that engages the protrusion 425 of 122 is formed, and the protrusion 425 and the engagement groove 426 are always engaged. Also, inside the reel stand 421, there is a reel collar 42.
A coil spring 427 is provided to apply a predetermined pressing force to 2. Therefore, the reel collar 422
When the F surface is pressed, the convex portion 425 is engaged with the engagement groove 426 of the reel stand 421 and can be lowered against the pressing force of the coil spring 427.

The operation of the tape recorder device configured in this way will be explained.

First, as shown in FIGS. 1 and 2, the DAT cassette DC is mounted on the cassette holder 500. At this time, the slider (not shown) of the DAT cassette DC is released by the claw 502 of the cassette holder 500, and then the loading mechanism 300 is activated. As a result, the guide bin 503 of the cassette holder 500 is
As shown in the figure, the guide hole 302 of the fixed guide plate 301
is moved in the direction of arrow B1 along. At this time, reel circle 4! l! The reel collar 422 of the IJ shaft 402 resists the pressing force of the coil spring 1127 and presses against the cassette holder 5.
00, and the convex portion 425 of the reel collar 422 is inserted into the engagement groove 426 of the reel stand 421. After this, the cassette holder 500 is further moved, and the D A 'I'' cassette DC is moved to a predetermined position on the drive system sub-chassis 400, as shown in FIGS. 4 and 5. When the cassette holder 500 is moved by a gear mechanism (not shown), as shown in FIG.
While being lowered in the C+ direction, the gear mechanism moves the subchassis guide slider 305 in the direction of arrow B? The engaging pin 401 of the drive system sub-chassis 400 is guided by the sub-chassis moving elongated hole 307 and the position regulating elongated hole 304 and moves upward in the direction of arrow C2. In this state, as shown in FIGS. 7 and 8, the lid L of the DAT cassette DC is opened and the tape guide roller 403, guide bins 404, 407a, 4
08a and a pinch roller 409 are arranged, and the reel shaft 402 is engaged with the hub hole H. At this time, the reel collar 422 of the reel shaft 402 is engaged with the hub hole H, and although the reel stand 421 rises, the protrusion 4 of the reel collar 422 does not fit into the engagement groove 426 of the reel stand 421.
25 should be engaged.

Then, as shown in FIG. 9, the tape guide member 405 is moved by the link machine fNLM, and the tape guide member 405 is moved to a predetermined position as shown in FIG. cylinder drum 20
It is wrapped around 0.

Furthermore, when ejecting the DAT cassette DC, the tape guide member 405 is moved to the reel shaft 402 side, and each guide bin 407a, 408a and pinch roller 409 are moved to return the tape into the DAT cassette DC. , the subchassis guide slider 305 is moved in the direction of arrow B1 by the gear mechanism. As a result, drive system sub-chassis 400 is lowered in the direction of arrow C1. Further, the guide bin 503 of the cassette holder 500 is raised in the direction of arrow C2 by the gear mechanism, and then
By moving in two directions, the DAT cassette DC is ejected from the cassette holder 500.

Therefore, in this embodiment, while lowering the cassette holder 500, N! , the drive system sub-chassis 400 is raised, and the reel shaft 402 provided on the drive system sub-chassis 400 comes into contact with the lower surface of the cassette holder 500 due to the movement of the cassette holder 500, making it possible to move downward, thereby opening the cassette insertion path. Compared to the conventional type, it can be lowered to the drive system side, and as a result, the tape and cylinder drum 2
The cylinder drum 200, the capstan motor, which can set the depth center position B, which is the contact position with the cylinder drum 200, at a good location, and therefore determines the height of the entire device.
Since it is possible to arbitrarily select the relative height positional relationship of the tape pull-out member 405, etc., the tape recorder I
The entire tcW can be made smaller and thinner.

In addition, in the two consecutive embodiments, especially the DAT cassette DC
Although the present invention has been described with reference to a tape recorder device using a conventional video tape, it goes without saying that the present invention may be applied to a tape recorder device using a conventionally used video tape.

[Effects of the Invention] As explained above, in the tape recorder device of the present invention,
When the cassette holder is moved, the reel shaft comes into contact with the lower surface of the cassette boulder and is movable downward, so that the main body of the apparatus can be made smaller and more compact.

[Brief explanation of the drawing]

Fig. 1 is a plan view for explaining a precoder device according to an embodiment of the present invention, Fig. 2 is a side view with a part of Fig. 1 omitted, and Fig. 3 shows the reel axis of Fig. 1. FIGS. 4, 5, 6, 7, and 8 are enlarged side sectional views for explaining the operation of the tape recorder device in FIG. 1, and FIG. 9 is a diagram for explaining the operation of the tape recorder device in FIG. FIG. 2 is a partially omitted plan view for explaining the operation of the tape recorder device of FIG. 1; 100... Main chassis, 103... Capstan shaft, 200... Cylinder drum, 300... Loading mechanism, 301... Fixed guide plate, 302...
・Guide hole, 305...Slider for subchassis guide, 400...Drive system subchassis, 402...Reel weight, 405 Tape guide member, 409...Pinch roller, 420... Reel Drive shaft, 421...
Reel stand, 422... reel color. Applicant Toshiba Corporation Representative Patent Attorney Sasa Suyama −

Claims (1)

[Scope of Claims] A tape recorder device that pulls out the tape of a cassette tape from a cassette half and records and plays the tape using a rotating head, which is provided on a main chassis so as to be movable up and down, and that pulls out the tape of the cassette tape and records and plays the tape. a drive system sub-chassis provided with a tape guide means for guiding the tape and a tape drive means for driving the tape; a movably provided cassette holder; a vertical movement means for lowering the cassette holder and raising the drive system subchassis so that the cassette tape is engaged with the tape guide means and the tape drive means; a reel shaft provided in a drive system sub-chassis and capable of engaging with a hub hole of a cassette tape installed in the cassette holder, and capable of moving downward when the cassette holder moves and comes into contact with the lower surface of the cassette holder; A tape recorder device comprising: