JPS5816537B2 - Temporary stop operation device for tape recorders, etc. - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a temporary stop operation device for a tape recorder or the like.

2. Description of the Related Art Conventionally, in a temporary stop device for a tape recorder or the like, various types of temporary stop devices have been used that perform so-called "Putsunyu/Butshu" type switching, which self-holds a temporary stop operation.

Naturally, in a temporary stop operation device that performs this button/button type switching, in order to cancel the operation, the temporary stop button is pressed again to return to its original state.

Also, since the normal operation button group uses a common locking plate etc. to lock during operation, in order to release the operation position, press the stop button to release the operation position. It is possible to do so.

For this reason, for users of tape recorders, etc., switching between button/button type only for the pause operation gives a strange feeling as it cannot be canceled even if the stop button is pressed, and it is often If you leave the stop button pressed and held for a while, you may misinterpret it as a malfunction if the tape does not start running even if you press the playback button to start the operation again, causing great operational inconvenience. It was something that could be done.

For this reason, a new necessity arose to link the stop push button and the temporary stop button, and it was considered to introduce the above-mentioned temporary stop operation to be canceled by operating the stop button.

However, if you simply cancel the pause operation with the stop operation button, if you are performing another operation such as fast forwarding or rewinding while performing the pause operation, and you want to cancel only this fast forwarding or rewinding operation, By operating the stop operation button, not only the fast forwarding or rewinding operation but also the temporary stop operation is canceled, causing another operational inconvenience to the user.

SUMMARY OF THE INVENTION An object of the present invention is to eliminate the above-mentioned drawbacks of the prior art and to provide a suitable temporary stop operating device for a tape recorder or the like.

However, in the present invention, the pause operation can be canceled not only by operating the pause operation button again, but also by the stop operation button, and in order to prevent the pause operation from being canceled even if the stop operation button is pressed. It is only necessary to make the operation button capable of performing two operations, a stop operation and a pause release operation, which cannot be performed at the same time.

Hereinafter, a specific embodiment of the present invention will be explained. In FIG. 1, 1 is a temporary stop operation member, 2 is a fast forward operation member,
3 is a rewind operation member, 4 is a playback operation member, 5 is a recording operation member, and 6 is a stop operation member, each of which has operation buttons 1a and 2a.
, 3a, 4a, 5a.

It is designed to be linked to 6a.

Each of the operating members 1.2.3.4.5.6 is slidably guided in the A-B arrow direction with respect to the board, and is guided by return springs 7.8, 9, 10, 11.12. It is biased in the B direction.

13 is a drive motor, 14 is a drive pulley connected to the drive shaft, 15 is a driving rubber belt, and 16 is a flywheel, which connects the capstan 17 and the small diameter pulley portion 18.

19 is a belt whose drive is transmitted from the small diameter pulley portion of the flywheel 18; 20 is a pulley driven by the belt 19;
21 is a take-up reel stand, 22 is a supply reel stand, and 23 is a take-up pulley, which is coaxially driven by a belt 19.
It has a pulley 23b which is driven in pressure contact with the take-up reel stand.

The take-up pulley 23 is rotatably supported by a shaft 23c, and is rotationally biased in a counter-chronological direction by a spring 26 for pressing against the supply reel stand 21.

Reference numeral 24 denotes a pressure roller for winding the magnetic tape, which is attached via a shaft 25b to a predetermined portion of a pressure roller arm 25 which is supported by a shaft 25a.

The pressure roller arm 25 is rotatable around a shaft 25.
It also has an arm portion 25c, an arm portion 25d, and a pin portion 25e that engages with a pressure roller operating arm 27, which will be described later.

A pressure roller operating arm 27 is rotatably supported by a shaft 27a and has an oblong guide hole 27b that engages with a pin portion 25e of the pressure roller arm 25.
The pressure roller operation arm 27, which is integrally linked with the pressure roller operation arm 27, is engaged with the regeneration operation member 4 by a spring 28, and the pressure roller operation arm 27 is biased in the counter-time direction, and the pressure roller operation arm 27 is biased against the regulating portion 27b of the pressure roller operation arm 27. The engagement portion 4b of the regeneration operation member 4 is brought into contact with the spring 28 to position the pressure roller operation arm 27 when it is stopped.

Reference numeral 29 denotes a head substrate on which a recording/reproducing head and an erasing head are mounted at predetermined positions, although not shown.

The head substrate 29 is biased in the forward direction of the head substrate 29 by a spring 30, and the through hole 29
At the same time, the engaging portion 4b of the regeneration operation member restricts the pressure roller operation arm through the through hole 29a, and the one side 29b of the through hole 29a
The position of the head substrate 29 in the forward direction is regulated by coming into contact with the head substrate 29 .

At this time, the spring 3 that applies forward force to the head substrate 29
A force of 0 has sufficient biasing force to advance the head board 29, but the return spring 10 of the regeneration operation member 4
Since the restoring force is much larger than that of the head board 29, the regeneration operation member 4 can be biased toward the A side against the biasing force of the spring 30.

The head substrate 29 is also slidably guided in the A-B direction with respect to the substrate, and a position regulating portion 31a provided on the substrate
, 3 lb.

A lock plate 32 is slidably guided in the C-D direction with respect to the board, biased in the C direction by a spring 37, and positioned by a regulating portion (not shown) provided on the board.

32a, 32b, 132c, and 32d are respectively engagement cams of the recording operation member 5; section 5b, engagement cam section 4ct of the playback operation member 4; engagement cam section 3b of the rewind operation member 3; and engagement cam of the fast forward operation member 2. The engaging portion engages with the portion 2b, and when each operating member is brought to the operating position, the engaging portion engages with the stepped portion of each of the engaging cam portions and can be locked.

32e is an engaging portion that engages with the engaging portion 6b of the stop operation member 6, and is used to release the lock by the lock plate 32 at the operation position of each of the operation members described above. The retaining portion 6b is followed by a portion 6a having a different slope.

Reference numeral 33 denotes a temporary stop holding member that can hold the temporary stop operating member 1 in the operating position and release the holding of the temporary stop operating member 1 in the operating position by operating it again, and rotates about a shaft 33a. It is made to be able to freely slide in the axial direction with respect to the shaft 33a.

Reference numeral 34 denotes a common torsional compression spring, which applies rotational force in the anti-time-setting direction to the temporary stop holding member 33 and biasing force in the axial direction of the shaft 33a set on the base plate 38. The position of the support in the rotational direction is regulated in the axial direction by a member 40, which is connected to another board 39.

36 is a pin member fixed to the temporary stop release operating member 1;
When the temporary stop operation member 1 is operated, it engages with the temporary stop holding member 33.

The temporary stop holding member 33 has a slope portion 33b that comes into contact with the pin member 36 first when it moves forward and climbs up while rotating the holding member 33, and an engagement step portion 33c that holds the operating position.
A bent slope portion 33d is provided adjacent to the stepped portion 33c, and the engaging and holding portion 33 is provided with the supporting shaft 33a in between.
A slope 33e that engages with the locking plate 32 is bent on the side opposite to c.

The operation in the above-described arrangement will now be described. First, in order to change from a stopped state to a reproducing state, when the reproducing button 4a is operated, the reproducing operation member 4 moves forward against the return spring 10.

Since the head substrate 29 is urged in the forward direction by the spring 30, it moves forward until it comes into contact with the position regulating members 31a and 31b.

At this time, the moving process M of the playback operation member 4 is
Since the distance 1-7 is increased by the moving step 9, one side 29b of the through hole 29a of the head substrate and the engaging portion 4b of the reproduction operation member 4 are in a state of being separated from each other.

The pressure roller operating arm 27 rotates together with the regeneration operating member 4 by a spring 28 until the pressure roller 24 comes into contact with the capstan 17, and from the position where the pressure roller 24 is pressed against the capstan 17. Only the spring 28 is stretched, and this tension contributes to the pressing force of the pressure roller 24 against the capstan 17.

By operating this regeneration operation member 4, a motor switch or an amplifier switch (not shown) is turned on, and the motor 13 is turned on.
starts and pulley 14, belt 15, flywheel 16
The capstan 11 rotates at a constant speed, and together with the pressure roller 24 winds up the magnetic tape.

Further, the position of the take-up pulley 23, whose position has been restricted by the arm 25b of the pressure roller arm 25, is released from the position restriction by the rotation of the pressure roller arm 25, and the take-up pulley 23 is moved to the take-up pulley 23b.
is rotated in the counter-training direction by the spring 26 until it comes into pressure contact with the take-up reel stand 21.

On the other hand, the rotational force transmitted to the flywheel 16 is transmitted through the small diameter pulley 18, the belt 19, the large diameter side 23a of the take-up pulley 23, and is transmitted to the take-up reel stand 21 via the coaxial 23b. Pressure roller 24 and capstan 1
The magnetic tape wound in step 7 can be wound up.

At this time, the head substrate 29 comes into contact with the position regulating parts 31a and 31b and is brought to a predetermined position, so that the mounted reproducing head can reproduce the signal recorded on the magnetic tape.

In the case of recording, the recording operation member 5 may be operated simultaneously with the above operations.

In order to temporarily stop tape running in this state, it is sufficient to operate the temporary stop operation button 1a.

When the temporary stop operation member 1 is operated, the bent portion 1b of the temporary stop operation member comes into contact with the arm portion 25c of the pressure roller arm 25, and is applied to the biasing force of the spring 2B about the shaft 25a. The pressure roller arm 25 is rotated against the pressure to separate the pressure roller 24 from the capstan 17.

At the same time, the pin portion 2 of the take-up pulley 23 of the Samurai stop operation member 1
A hypotenuse portion 1c and a straight line surface 1d continuous thereto are provided at a position facing 3d, and as the temporary stop operation member 1 moves forward, the hypotenuse portion 1c abuts the pin portion 23d, and is pressed against the spring 26 against the shaft 23c. Rotate the pin part 23d in the training direction and wind it up! J23b is separated from the take-up reel stand 21.

When the temporary stop operation member is brought to the normal position, the pin portion 23d reaches the straight line surface 1d from the oblique side portion 1c, and the take-up boot IJ23b is not separated from the take-up reel stand more than necessary and is kept at a constant position. I'm trying to keep my distance.

As the temporary stop operating member 1 moves forward, the pin portion 36 comes into contact with the slope portion 33b of the temporary stop holding member 33, and the temporary stop holding member 33 is rotated in the open direction against the spring 34 until it reaches a certain position. When moving forward, the pin portion 36 reaches the top 33f of the slope 33b of the temporary stop holding member 33, and beyond this, even if the operation of the temporary stop operating member 1 is interrupted, it does not return to its original state and is guided to the retaining portion 33c. and retained.

At this time, the pin portion 36 restricts the position of the temporary stop holding member 33 in the rotating direction, so the temporary stop holding member 33 rotates approximately in the training direction compared to when the temporary stop holding member 33 is in the return position where the temporary stop operating member 1 is not operated. in a moved position.

Next, when canceling the temporary stop, first operate the held temporary stop operating member again, and the pin portion 36 will come into contact with the side surface of the bent slope portion 33d of the temporary stop holding member 33 that regulates the position. When moving forward while touching the slope part 33d
The engagement in the axial direction of the pin portion 36 gradually decreases, and as the pin portion 36 moves further forward, it reaches a state where it is not engaged at all.

At this time, the temporary stop holding member 33 is further rotated in the counterclockwise direction by the spring 34, so the pin portion 36 cannot be engaged anywhere, so if the forward movement of the temporary stop operating member is interrupted, the temporary stop holding member 33 is automatically returned. It is returned by spring 7.

Further, when it is desired to hold the temporary stop operation in the state 5 and release only the operation button, it is sufficient to operate the stop operation button 6a.

When the stop operation button 6a is operated, the stop operation member 6 moves forward against the return spring 12, and the oblique side portion 6b comes into contact with the engagement portion 32e of the lock plate 32.

When the stop operation member 6 is further advanced, the lock plate 32 moves in the D direction, and the lock portion of each operation member, for example, the stepped portion of the engagement portion 4c of the regeneration operation member 4 and the engagement portion 32b of the lock plate 32. The lock is released and the regeneration operation member 4 returns to the direction B by the return spring 10.

At this time, the engagement amounts of each operating member with respect to the lock plate E, F, G,
Since H is smaller than the movement amount J of the locking plate that is moved by the slope portion 6b of the stop operation member 6, all the operation members can be operated by operating the stop operation member 6 at the portion corresponding to the slope portion 6b. You can cancel the position.

Even when the lock plate 32 is moved a certain amount in the D direction by this stop operation, the lock plate 32 and the temporary stop holding member 33 do not come into contact with another bent slope 33e, but are at a position directly facing each other.

To release the temporary stop by the stop operation, further operate the stop operation button 6a and lock the stop operation member 6 by a movement amount equivalent to H minutes in addition to the movement amount 5 required to unlock each operation member. By moving the plate 32, one end 32f of the locking plate 32 comes into contact with the inclined surface 33e of the temporary stop holding member 33, and pushes down the temporary stop holding member 33 against the compression biasing force of the spring 34. Therefore, the engagement between the engaging portion 33c of the temporary stop holding member 33 and the pin portion 36 of the temporary stop operation member 1 is released, and the temporary stop operation member 1 is returned by the return spring 7.

The engaging portion of the stop operation member 6 facing the locking plate 32 is composed of different slopes 6b and 6c, and the two component parts allow for clear distinction between operations, giving a sense of moderation and eliminating the risk of erroneous operation. .

In this embodiment, the slopes of the engaging portions are different, but the same slopes may also be provided with concave or convex portions for moderation of operation at the branching point of the amount of movement.

In this way, the present invention provides a mechanism for moving the retaining portion of the stop operation member to the lock plate by the amount of movement to release the lock of each operation member, and for releasing the hold of the temporary stop by contacting the temporary stop holding member of the temporary stop operation member. By clearly separating the amount of movement to be performed, the temporary hold can be released by the stop operation, and the lock at the operating position of each operating member can be released regardless of the release of the temporary stop hold. Second, it solves the inconvenience of not being able to release the pause hold without operating the pause button again.1.Furthermore, when the stop operation button is operated, the lock at the operating position of each operating member is released. By making each part individually operable, the inconvenience of operation can be further alleviated and the operability can be greatly improved.

[Brief explanation of the drawing]

FIG. 1 is a plan view of the main part of one embodiment of the present invention when it is stopped, and FIG.
The figure is a plan view of the main part during the playback operation, Figure 3 is a plan view of the main part when the pause operation is held during the playback operation, and Figure 4 is a plan view of the main part when the pause operation is held during the playback operation and only the playback operation is released. Fig. 5 is a plan view of the main part in the state where the operation to cancel the pause is started. Fig. 5 is a plan view of the main part in the state where the operation to release the pause is started. Fig. 6 to 9 are the plan view during the stop operation and the pause operation respectively. , a relationship diagram between the lock plate and the temporary stop holding member in a state where the lock of each operation is released by the stop operation, and a state where the temporary stop is released by the stop operation, FIGS. 10 to 12 are respectively shown in FIGS. FIG. 9 is a side view corresponding to FIGS. 7 and 9; 1...Pause operation member, 2...Fast forward operation member, 3...Return operation member, 4...
...Playback operation member, 5...Recording operation member, 6
...Stop operation member, 32...Lock plate,
32f... One end thereof, 33... Temporary stop holding member, 33e... Slope portion thereof.

Claims (1)

[Scope of Claims] 1. The above-mentioned method includes an operating member for playback, recording, rewinding, fast-forwarding, etc., a lock plate that locks the position of the operating member during each operation, and a lock plate that moves the lock plate. It has a stop operation member that can release the lock when operating each operation member such as playback, recording, rewind, and fast forward, and a self-holding member. In a pause operation device such as a tape recorder having a self-holding pause operation means: Maximum movement amount and stop of the lock plate when operating the operation member such as playback, recording, rewinding, fast forwarding, etc. The difference between the maximum travel distance of the locking plate and the movement distance when the operating member is operated. A temporary stop operation device for a tape recorder or the like, characterized in that the locking plate and the self-holding member are associated with each other so as to release the engagement and holding of the self-holding member of the temporary stop operation means.