JPH02289960A - Portable recording and reproducing device - Google Patents

Abstract

PURPOSE:To contrive a prevention against intrusion of rain water and dust, simplification of the structure and low cost of the device by providing an eject switch for moving back a cassette holder from a cassette loading position to a cassette inserting position by operating a driving means when a lid body under its opening state is detected. CONSTITUTION:The lid body 4 for opening and closing a cassette inserting hole 3 of a cabinet 2 is of an opening-out structure for opening a lid upward from the cassette inserting hole 3 on the outside of the cabinet 2. Then, the eject switch 33 is provided to move back the cassette holder 14 from the cassette loading position to the cassette inserting position by operating the driving means (motor) 17 upon detection of the open lid of the lid body 4. Consequently, the lid body 4 under its opening state has a function of a cover for covering over the cassette inserting hole 3. Then, when the lid of the lid body 4 is manually opened at the time of taking out a cassette 42, the driving means 17 is operated by the eject switch 33, and the cassette holder 14 is moved back from the cassette loading position to the cassette inserting position, and then the cassette 42 is ejected to the cassette inserting position by the cassette holder 14. By this method, the prevention against intrusion of rain water and dust, simplification of the structure and low cost of the device can thus be contrived.

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial Field of Application) The present invention is applicable to, for example, a front-loading VTR,
This is a portable recording and reproducing device that is most suitable for application to tape recorders, frosobee disc devices, etc., and particularly relates to a cassette 1 and attachment/detachment device.

[Summary of the invention]

The present invention provides a cabinet having a cassette insertion port, a lid body for opening and closing the insertion port, and a cassette insertion position located in the cabinet 1 and close to the cassette insertion port, and a lid body for opening and closing the insertion port. A portable recording/reproducing device comprising: a cassette holder that reciprocates between a cassette mounting position pulled in toward the cassette; and a driving means that reciprocates the cassette holder between the cassette insertion position and the cassette mounting position. When the cassette is taken out, the cassette is configured to be ejected from the cassette mounting position to the cassette insertion position when the lid, which is structured to open outward, is opened. Moreover, the cassette ejecting operation can be performed very easily.

[Conventional technology]

Conventionally, as a cassette attachment/detachment device for a front-loading VTR, for example,
Publication No. 5740 and Japanese Utility Model Application Publication No. 63-6545 are known.

In these conventional examples, the cassette inserter I of the cabinet is provided with a lid having an inward-opening structure that opens to the inside of the cabinet I.

When installing the cassette, the lid is pushed open inward by the casseno I-, and the cassette I' is inserted into the cassette holder which is being moved back to the casseno 1-insertion position.

Then, the motor serving as the driving means is driven to rotate in the forward direction, and the cassette holder is moved from the cassette inserting position to the cassette mounting position where it is pulled backward and downward, and the cassette holder is mounted to the cassette 1 mounting position. The lid is closed by a lid opening/closing mechanism linked to the cassette holder.

Also, when ejecting the cassette, press the eject button. Then, the motor is driven to rotate in the reverse direction, and the cassette inserter starts to move back from the cassette inserting position, and the lid is opened by the lid opening/closing mechanism.After this, the cassette inserter is moved back to the cassette inserting position, and the cassette inserter is moved back to the cassette inserting position. is cassero 1
・It is designed to be protruded from the insertion port.

[Problem to be solved by the invention]

However, in these conventional examples, the lid that opens and closes the cassette insertion slot has an inward-opening structure, so when the lid is pushed inward by the cassette 1 when inserting the cassette, or when the cassette 1 is removed, When the lid is opened inward by the lid opening/closing mechanism, rainwater and dust easily enter the cabinet through the cassette 1/insertion opening, so it cannot be applied to a portable VTR used outdoors.

In addition, a lid opening/closing mechanism is required to open and close the lid in conjunction with the cassette 1-holder when loading or removing the cassette.
The structure is complicated and the cost is high.

Furthermore, when taking out the cassette, it takes a long time after the lid is opened until the cassette is ejected into the cassette insertion slot, making it difficult to take out the cassette in a timely manner.

SUMMARY OF THE INVENTION An object of the present invention is to provide a portable recording/reproducing apparatus which allows a cassette to be ejected from a cassette mounting position to a cassette 1 insertion position by manually opening a lid having an outward-opening structure.

[Means to solve the problem]

In order to achieve the above object, the single-shell type recording and reproducing apparatus of the present invention has a structure in which the lid body for opening and closing the cassette insertion slot of the cabinet is configured to open outward above the cassette insertion slot on the outside of the cabinet. and is provided with an ejector tip that moves the cassette holder -F back from the cassette mounting position to the cassette insertion position by detecting the opening of the lid body and operating the driving means. .

[Effect]

The portable recording/reproducing device configured as described above has an outward-opening structure in which the lid opens above the cassette insertion slot outside the cabinet, so that the opened lid opens above the cassette insertion slot. It has the function of a cover and prevents to some extent rainwater and dust from entering the cabinet from the case note insertion port. If you open the lid manually when removing the cassette,
The driving means is operated by the ejector 1 switch,
The cassette/boulder is moved back from the cassette attachment position to the cassette insertion position, and the cassette is ejected from the cassette insertion position by the cassette holder.

〔Example〕

Hereinafter, the present invention will be described as a front-loading portable VT.
An example applied to R will be described with reference to the drawings.

First, FIG. 3 shows the entire portable VTRI, in which a horizontally elongated cassette insertion slot 3 is provided along the upper edge of the front panel 2a of the cabinet notebook 2. As shown in FIG. As shown in FIGS. 3 and 2, the lid 4, which opens and closes the cassette insertion opening 3 and has a substantially U-shaped cross section, is configured to open outward. The closed lid position shown by the chain line (shown by the solid line in FIG. 2) and the opening above the cassette insertion slot 3 on the outside of the cabinet presses 1 and 2 shown by the solid line in FIG. Between the lid position and the arrow a,
It is configured to be openable and closable in the a' direction.

Note that a rubber band 5 is glued along the outer periphery of the back surface 4a of the lid 4, and the lid 4 is moved to the closed position by the arrow a'.
When the lid is closed in the direction shown in FIG.

Further, the front panel 2a of the cabinet 2 is provided with a record button, a playback button, various other operation buttons 7, and various knobs 8 such as control and volume controls. Further, a general feed handle 9 and the like are also attached to the cabinet 1-2.

Next, FIG. IA to FIG. 2 show a pair of left and right attachment/detachment devices 11 provided inside the cabinet 2, which are installed vertically and parallel to each other on the chassis 12. A cassette slider 14 is horizontally arranged between the support plates 13 of the cassette slider 14. And, approximately L provided on both support plates 13
A plurality of guide rollers 1 are installed on both the left and right sides of the cassette holder 14 by a plurality of guide grooves 15 in a shape of a letter.
6 is guided, and the cassette insert bolt 14 forms an approximately L-shape between the cassette inserting position, which is not shown in FIG. It is configured to be able to freely reciprocate in the direction of arrow b1b' along a moving path of the shape. A motor 17 as a drive means is attached to the upper part of the chassis 12, and a holder drive mechanism (Public Act 60-2) is driven by this motor 17.
The arrows b and b' are located between the cassette insertion position and the cassette mounting position due to the L-shaped lock and pinion structure shown in Japanese Utility Model Publication No. 5740 and the drive gear structure shown in Japanese Utility Model Publication No. 63-6545. It is configured to be driven back and forth in the direction.

Note that, as shown in FIG.
0 in the directions of arrows a and a'. A closing lid lever 20 and an opening lid lever 21 of the lid body 4 are attached to one of the support plates 13. Both of these lock levers 20 and 21 are configured to be rotatable in d and d' directions such as arrow C and C' directions about fulcrum shafts 22 and 23, respectively, and are supported by return springs 24 and 25 to It is urged to rotate in the directions of arrows C' and d' to a position where it comes into contact with 26a and 27. Note that the lid opening lock lever 20 is engaged with a strike bar 27 through a long hole 28. A pair of bins 29 and 30 attached to one lid mounting plate 19 are configured to be engaged with both the rostrographs 20 and 21 alternately.

As shown in FIG. 2, this cassette 1 and attachment/detachment device 11 has an edge that detects when the lid 4 has been rotated in the direction of arrow a from the closed position indicated by the solid line to the open position indicated by the dashed-dotted line. An ectoisothi 33 is attached to one support plate 13. This eject switch 33 is composed of a normally open micro switch, and near the eject switch 33, a switch lever 34 rotates in the directions of arrows d and d' on the fulcrum shaft 23 of the lid opening lever 21. It is mounted so that it can move freely. In addition, this Swisso Ti lever 34 has a return spring 35.
is urged to rotate in the direction of arrow d and is pressed against the eject switch 33. In addition, Suisotilever 34
The bottle 30 of the lid mounting plate 19 is configured to come into contact with one end 34a of the lid mounting plate 19.

Next, the operation of the cassette attachment/detachment device configured as described above will be explained.

First, as shown by the solid line in FIG. 2, when the lid body 4 is rotated in the direction of arrow a' to the closed position and the case/notebook insertion opening 3 is closed, the bottle 29 is moved to the closing opening/knob lever. 20 ■
It is engaged in the groove 2Oa.

Then, due to the force of the return spring 24 to rotate the lid/closing lever 20 in the direction of the arrow C', the lid q4 is urged to move downward in the direction of the arrow a', and the rubber panokin 5 is moved around the outer periphery of the cassette insertion opening 3. The cassette insert opening 4 is sealed watertight by being crimped onto the surface 3a.

Next, as shown by the one-dot chain line in FIG.
Rotate the lid in the direction to the open position -U and insert the case 1.
When the lid 3 is opened, the pin 30 is connected to the lid opening lever 2.
1 and engages against the spring 25, and the lid body 4 is placed in the open position. Then, the bottle 30 simultaneously contacts one end 34a of the switch lever 34, and the switch lever 34 is rotated in the direction of arrow d' against the return spring 35 to be separated from the ejector switch 33. The switch 33 is closed (ON). on the other hand,
Due to the concave movement of the lid body 4 in the direction of arrow a, the closing lid lever 2
0 is rotated by the pin 29 in the direction of arrow C against the return spring 24 to the inverted position of the return spring 24, and then continues to be moved concave in the direction of arrow C by the inverted return spring 24 and hits the strike bar 26b. be touched.

Next, as shown by the solid line in FIG. 2, when the lid body 4 is again rotated in the direction of arrow a' to the closed lid position, the pin 30 comes off from the opening lever 21 and the switch lever 34, and the switch lever 34 returns to its original position. 38 in the direction of arrow d and is pressed against the eject switch 33, this eject switch 33 is opened (turned OFF) again.

On the other hand, due to the concave movement of the lid body 4 in the direction of the arrow a', the closing lid lever 20 is rotated in the direction of the arrow C' to the inverted position of the return spring 24 by the pin 29 that is reattached in the groove 2Oa. , continued by arrow C with reversed return spring 24
' direction, and the lid body 4 is moved to the closed position.

Next, when loading a cassette, as shown in FIG. The cassette 1 and boulder 14 are inserted horizontally in the direction indicated by the arrow 3 and moved back to the cassette insertion position.
Insert the cassette 1/42 into the designated position in the direction of the arrow.

Then, this insertion of the screwdriver 1 is detected by a detection switch (not shown), and the motor 17 is driven to rotate in the forward direction.
The cassette saw 1 and the boulder 14 are moved in the direction of arrow b from the cassette insertion position shown in FIG. 18 to the installation position into the cassette 1 shown in FIG. IB. Then, the cassette 42 is moved from the cassette 1/insertion opening 3 to the cabinet 1/2 by this cassette 1/holder 14.
The tape is pulled in in the direction of arrow b and horizontally mounted from above onto a pair of left and right reel stands and a plurality of tape loading means (none of which are shown) located at the cassette mounting position.

As shown in FIG. IA, the lid body 4 opened in the direction of arrow a to the open position has the function of a cover to cover the -L section of the cassette insertion opening 3. Prevents rainwater and dust from entering to some extent. However, after the above-mentioned cassette is installed, the lid 4 is moved to the closed position in the direction of arrow a' as shown by the solid line in FIG. Completely prevent intrusion.

Next, when taking out the cassette, the operator manually rotates the lid 4, which is closed as shown by the solid line in FIG. When the insertion port 3 is opened, the eject switch 33 is closed (ON) as described above, and opening of the lid body 4 is detected.

Then, the motor 17 is driven to rotate in the reverse direction, and the cassette bolt holder 14 is moved back in the direction of arrow b' from the cassette inserting position shown in FIG. IB to the cassette inserting position shown in FIG. It is ejected from the installation position to the case/note insertion position 3 in the direction of arrow b', and as shown in FIG.
2a is projected outside the cassette slot insertion slot 3 in the direction of arrow f'.

The return movement of the cassette holder 14 to the cassette insertion position is detected by a detection switch (not shown), and the motor 17 is stopped. Thereafter, the operator pulls out the cassette 42 out of the cassette/notebook insertion opening 3 in the direction of arrow f'.

As described above, according to this cassette 1 attachment/detachment device, when taking out the cassette, the operator can manually eject the cassette 42 to the insertion position of the cassette 7h by simply opening the lid 4 manually in the direction of the arrow a. can do. Therefore, there is no need to perform a troublesome operation such as opening the lid body 4 after pressing the eject button 1, for example, and the operation of taking out the case 71-42 can be performed very easily.

Although the embodiments of the present invention have been described above, the present invention is not limited to the -1st embodiment, and various effective changes can be made based on the technical idea of the present invention.

Furthermore, the present invention is not limited to V]''R shown in the above embodiments, but can be applied to tape recorders, fluoropy disk devices, and other various general type recording and reproducing devices.

〔Effect of the invention〕

Since the present invention is configured as described above, it produces the effects described below.

The function of the cover is to configure the lid to open above the cassette insertion slot on the outside of the cabinet so that the opened body covers the top of the cassette insertion slot. This makes it possible to prevent rainwater and dust from entering the cabinet from the cassette insertion slot to a certain extent, thereby achieving high drip-proof and dust-proof performance, which is a necessary condition for a portable recording/playback device. can.

When removing the cassette, when the lid is opened manually, the driving means is operated by the ejector 1 and the suinochi, and the cassette holder is moved back from the cassette 1 installation position to the casseno 1 insertion position, and the cassette 1 The holder allows the cassette to be ejected to the cassette insertion position, so
For example, there is no need to perform a troublesome operation such as opening the lid after pressing the eject phase, and the cassette can be removed very easily.

Since there is no need for a lid opening/closing mechanism that opens and closes the lid in conjunction with the Caseno 1 holder, the structure is simple and cost-effective.
First, it is possible to achieve a reduction in size and weight, which is a necessary condition for a compact type recording/reproducing device.

[Brief explanation of drawings]

The drawings show one embodiment of the present invention, and FIGS. 1G and 1G are cutaway side views showing the operation of the cassette I and attachment/detachment device, and FIG. 2 is a side view of the lid rest. FIG. 3 is a partially cutaway side view showing the operation, and FIG. 3 is a perspective view showing the entire portable VTR. 1 --- Possible 1 General 2 VTR 2 --- -- Gahinel / 3--11-11111 Cassette I / Insertion port 4--1-
---11 Lid 11--1 Cassette attaching/detaching device 14--1 Cassette holder 17-Motor (driving FJJ means) 33--1 Eject switch 42--
One skein is /1.

Claims (1)

[Scope of Claims] A cabinet having a cassette insertion slot, a lid body for opening and closing the cassette insertion slot, and a cassette insertion position disposed within the cabinet and retracted to the rear thereof. A portable recording and reproducing apparatus comprising: a cassette holder that reciprocates between the cassette insertion position and the cassette installation position; and a drive means that reciprocates the cassette holder between the cassette insertion position and the cassette installation position, By configuring the body to have an outward-opening structure that opens above the cassette insertion slot on the outside of the cabinet, and detecting the opening of the lid body and operating the driving means,
A portable recording/reproducing device, comprising: an eject switch that moves the cassette holder back from the cassette mounting position to the cassette insertion position.