JPH0191353A - Tape recorder device - Google Patents

Abstract

PURPOSE:To simplify a tape drawing-out mechanism by providing a sub guide plate to guide the movement of a tape guiding means, and a main guide plate, and making the sub guide plate movable upward and downward, and moving the tape guiding means to a prescribed position by moving a control slider by the rotation of a control cam. CONSTITUTION:Tape guiding members 405, 405, provided with a tape guiding roller 403 and a guide pin 404 to constitute the tape drawing-out mechanism 600, are provided on a driving system sub chassis and it is engaged with a first guiding groove 451 formed at at the sub guide plate 450 provided on the driving system sub chassis and is made movable. Besides, on a main chasis 100, the main guide plate 150 is provided by pinching a cylinder drum 200 and on this guide 150, a second guiding groove 151 continued to the first guiding groove of the sub guide plate 450 is provided, and a tape guiding member 405 is guided by the second guiding groove 151.

Description

[Detailed description of the invention] [Purpose of the invention] (Industry, 1- field of use) The present invention relates to a tape recorder device.

(Prior Art) In recent years, tape recorder devices that record and play back audio/visual video cassette tapes have been at a disadvantage, and recently digital audio tape cassettes (hereinafter referred to as DA1 cassettes) Tape recorder devices that are capable of recording and reproducing digital signals have appeared.

The above-mentioned DAT 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, allowing it to be set in a tape recorder. The cassette is sealed to prevent dirt and dust, which can cause dropouts during digital recording, from entering the cassette except when the cassette is opened.

When this DAT cassette is set in a tape recorder, the slider is moved to reveal the hub hole, the lid is opened and the tape is engaged with the guides and rollers, and these guides and rollers move the rotating head. It is wrapped around a drum for digital recording and playback.

Therefore, in the tape recorder device described above, D A
A loading mechanism is adopted that automatically sets the 'I' cassette onto the rotating head drum.

This loading Ia rating allows the DAT cassette to be loaded into the cassette holder by inserting the DAT cassette into the cassette insertion slot of the tape recorder body, and the DAT cassette loaded in this cassette holder 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 DAT cassette is mounted on the drive n ellipse. And from this state,
The tape is pulled out by guides and rollers and wound around a rotating head drum for digital recording and playback.

(Problems to be Solved by the Invention) By the way, in the tape recorder device using the D A'r cassette described above, the tape in the D A'r' cassette I is moved by a drive mechanism equipped with guides, rollers, etc. is wound around a rotating head drum, but since it is composed of a combination of multiple drive R coffins equipped with these guides and rollers, the mechanism is complicated and control of timing etc. is complicated, which is disadvantageous in terms of cost. There was 6 again,
Furthermore, since the above-described mechanism is provided to match the height of the rotary head drum, it is difficult to effectively downsize the device.

The present invention has been made in view of the above-mentioned problems, and it simplifies the tape pull-out mechanism, reduces costs, and allows the installation height to be set to an arbitrary height. It is an object of the present invention 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 above-mentioned object, the present invention provides a tape recorder device that pulls out the tape of a cassette tape from the cassette half and records and plays the tape using a rotating head. , a tape guide means for guiding the tape of the cassette tape to the rotary head; and a first guide groove provided on a sub-chassis movably disposed on the main chassis to guide movement of the tape guide means. a second guide groove provided on the main chassis to sandwich the rotary head, the second guide groove being continuous with the first guide groove of the sub guide plate and guiding the movement of the tape guide means. a main guide plate formed with a main guide plate; a control slider for controlling movement of the tape guide means;
The apparatus includes a link mechanism that connects the control slider and the tape guide means, and a control cam that moves the control slider and controls its position.

(Function) The present invention includes a sub-guide plate and a main guide plate that guide the movement of the tape guide means, and allows the sub-guide plate to move up and down, and also moves the control slider by rotating the control cam, thereby controlling the tape guide. Since the guide means can be moved to a predetermined position, the tape pull-out mechanism can be simplified and costs can be reduced, and the height of the tape guide means can be set to an arbitrary height. As a result, the device main body can be made smaller and thinner.

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

FIG. 1 is a partially omitted plan view for explaining a tape recorder device according to an embodiment of the present invention, FIG. 2 is a partially omitted side view of FIG. FIG. 3 is a plan view for explaining the pull-out mechanism.

In these figures, 100 indicates the main chassis. This main chassis 100 has a cylinder drum 200 with a head, loading TFIM3
00, drive system subchassis 400, cassette holder 50
0, a tape drawer 600 is provided.

The cassette boulder 500 has a cassette mounting portion 01 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, there are guide pins 503 and 50 that regulate the position of the cassette holder 500.
3... is being drawn.

Loading am3oo includes main chassis 1, O
A fixed guide plate 301.301 is placed at a predetermined interval on O.
is provided. This fixed guide plate 301 is formed with guide holes 302, 302, . . . through which each guide bin 503 of the cassette holder 500 is inserted. Further, the fixed guide plate 301 is provided with fixed guide pins 303.303 and position regulating elongated holes 304.304. The fixed guide pin 303.303 has a long slide hole 306.3 formed in the subchassis guide slider 305.
9 sub chassis guide slider 3 with which 06 is engaged
05 is a subchassis movement elongated hole 307 related to the position regulating elongated hole 304 formed in the +m constant guide plate 301.
307 is formed, and a drive pin 308 driven by a gear to be described later is also formed. The fixed guide plate 301 is provided with a gear fixed VLT 1309, and this gear fixed shaft 309 is provided with a loading gear 310.
or rotatably arranged. This loading gear 3
Reference numeral 10 is designed to perform a predetermined drive by a drive motor (not shown). A control protrusion 311 is formed on the loading gear 319, and this control protrusion 3
11, the subchassis guide slider 30 described above.
The drive pin 308 of No. 5 is moved, and the slider 305 is moved in the horizontal direction.

In addition, a rotating link plate 312 is rotatably attached to the gear fixed portion (309) between the fixed guide plate 301 and the loading gear 310. An arm 313 is rotatably attached to the tip of the rotating link plate 312. The tip of the arm 313 is engaged with a predetermined guide pin 503 of the above-mentioned cassette holder 500. Also, a coil spring (not shown) is attached to the control protrusion 311 of the loading gear 310 at the tip of the rotary link plate 312. ) is formed with a convex portion 314 that is pressed against the loading gear 310 to engage the rotation thereof.

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 and driven.

Further, as shown in FIG.
01 and a control slider 602 are provided. The control cam 601 includes controls for controlling various movements.
The control cam 601 is driven and rotated by a drive mechanism (not shown). The control slider 602 includes an engagement pin 604 that is engaged with the control groove 603a of the control cam 601 and is controlled, and a subchassis 4.
Guide holes 605, 605, into which guide pins 400a formed in 00 are inserted to regulate the sliding direction.
and control guide holes 606, 606 for controlling the movement and position of the tape guide member, which will be described later.

On the drive system sub-chassis 1100, a tape guide member 405, 405 including a tape guide roller 403 and a tape guide pin 4011 constituting the tape drawer top 600 is disposed. Tape guide member 4
05 is engaged with a first guide groove 451 formed in the sub-guide plate -150 provided on the sub-chassis 400.1-, and is movable while being guided by this first guide groove 451. There is. Further, a main guide plate 150 is provided on the main chassis 100 with the cylinder drum 200 in between, and the main guide plate 150 has a second guide groove that is continuous with the first guide groove of the sub guide plate 450. 1
51 is formed, and the tape guide member 405 is guided by the second guide 7r4151.

The above-described sub-guide plate 450 is the drive system sub-chassis 400
The first guide groove 451 is connected to the second guide groove 151 of the main guide plate 150 when the sub-chassis 400 is raised.

Tape guide member 405 is rotatably connected to arm 609, and arm 609 is connected to rotating link arm 61.
The zero-rotation link arm 610 connected to the rotation link arm 610 is biased by a coil spring 611 in a direction to move the tape guide member 405 toward the cylinder drum 200, and the n1 portion of the rotation link arm 610 has a control guide hole 606 A position regulating pin 610a inserted into is formed.

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. Next, the loading mechanism 300 is activated, and the loading gear 310 is rotated in the direction of arrow A1. This and [n
At 1 o'clock, the rotating link plate 312 connected by a spring is also indicated by arrow A.
Rotated in one direction. As a result, the guide pin 503 of the cassette holter 500 engaged with the arm 313 moves from the state shown in FIG. 4 to the direction of arrow B1 along the guide hole 302 of the fixed guide plate 301, as shown in FIG. The cassette holder 500 is moved, and the DAT force set I-DC is moved to a predetermined position on the drive system subchassis 400. Note that in this state, as shown in FIG. 6, the drive system sub-chassis 400 is not raised.

Thereafter, when the loading gear 310 is further rotated in the direction of the arrow A1, the guide pin 503 of the cassette holder 500 moves in the direction of the arrow C1 along the guide hole 302 of the fixed guide plate 301, as shown in FIG. At the same time, the control protrusion 311 of the loading gear 310 is engaged with the drive pin 308 of the subchassis guide slider 305.

As a result, the subchassis guide slider 305 is moved in the direction of arrow B2, and the engagement pin 401 of the drive system subchassis 400 is moved by the subchassis movement elongated hole 307 and the position regulation elongated hole 304, and is moved in the direction of arrow C2. Rise. In this state, as shown in Section 8),
A tape guide roller 403 and a guide pin 404 are arranged inside the tape surface of the D A 'I' cassette DC with the lid L opened, and a reel shaft 402 is engaged with the hub hole H. Further, at this time, the sub-guide plate 450 provided on the chassis 400 has a height that is continuous with the main guide plate 150 provided on the main chassis 100.

After this, the control cam 601 is rotated in the direction of the arrow. As a result, as shown in FIG. 9, i! The IIN control slider is moved in the direction of the slider 602, and with this movement, the position regulating pin 610a of the rotating link arm 610 is moved to I'r,
The tape guide member 405 is moved along the ltn guide hole 606 and the tape guide member 405 is moved along the first guide groove 451 of the sub guide plate 450.
is moved along the main guide plate 150, and then the second
The tape is wound around the cylinder drum 200 by being moved along the guide groove 15].

Furthermore, when ejecting the D A 'I' cassette DC, the control cam 601 is reversed and the tape guide member 4
05 is reel L! The tape is moved to the 1fl1402 side and returned to the DAT cassette DC. The loading gear 310 rotates in the direction of arrow A2, and the control protrusion 911 causes the drive pin 308 of the subchassis guide slider 305 to rotate.
is moved in the direction of arrow B1. As a result, drive system sub-chassis 400 is lowered in the direction of arrow C1. At the same time, the control protrusion 311 moves to the protrusion 314 of the rotating link plate 312.
The DAT cassette DC is ejected from the cassette holder 500 by engaging with the guide bin 503 of the cassette boulder 500 to raise it in the direction of arrow C2, and then moving it in the direction of arrow B2.

Therefore, in this embodiment, the tape guide bin is moved by the control cam 601 and the control slider 602, and the guide plate having a guide groove for guiding the guide bin is divided into two parts so that one side can move up and down. The drawer a-ellipse 600 has a simple structure, the cost can be reduced, and the main body of the apparatus can be made smaller and thinner.

In the above-described embodiments, a tape recorder device using a DAT cassette DC was particularly described, but it goes without saying that the present invention may be applied to a tape recorder device that uses a conventionally used videotape. .

[Effects of the Invention As explained above, the tape recorder device of the present invention has the following advantages:
A sub-guide plate and a main guide plate are provided to guide the movement of the tape guide means, and the sub-guide plate can be moved up and down, and a control slider is moved by rotation of a control cam to set the tape guide means at a predetermined position. Since it is moved, it is possible to easily pull out the tape w1 and reduce costs. Also, the height of the tape guide means can be set to an arbitrary height, which allows for downsizing of the main body of the device and The thickness can be reduced.

[Brief explanation of the drawing]

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 a part of FIG. 1 omitted, and FIG. 1, 5, 6, 7, 8, and 9 are diagrams for explaining the operation of the tape recorder device shown in FIG. 1, respectively. . 100... Main chassis, 103... Capstan shaft, 150... Main guide plate, 151... First
Guide groove, 200... Cylinder drum, 300...
Loading mechanism, 301...Fixed guide plate, 302
...Guide hole, 305...Slider for subchassis guide, 400...Drive system subchassis, 402...
- Reel shaft, 405 tape guide member, 450 sub guide plate, 451... second guide groove, 600... tape pull-out mechanism, 601... control cam, 602... control slider, 610...・Rotating link arm. Dezokudai Toshiba Corporation Patent Attorney Sasa Suyama −

Claims (1)

[Scope of Claim] 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, comprising: a tape guide means for guiding the tape of the cassette tape to the rotating head; and a main chassis. a sub-guide plate provided on a sub-chassis that is arranged to be movable up and down, and in which a first guide groove for guiding movement of the tape guide means is formed; a main guide plate provided with a second guide groove that is continuous with the first guide groove of the sub-guide plate and guides movement of the tape guide means; and a main guide plate for controlling movement of the tape guide means. A tape recorder device comprising: a control slider; a link mechanism that connects the control slider and the tape guide means; and a control cam that moves the control slider and controls its position.