JPS5830271Y2 - Operation switching device for magnetic recorders, etc. - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to an operation switching device for a magnetic recorder such as a push-button type.

In the present invention, after pressing the record button and then pressing the play button to perform the desired recording, the rewind button is pressed to rewind, and by releasing the rewind button, the recording can be automatically played back. When written on a magnetic recorder, it is possible to press a fast forward button during recording to stop recording and perform fast forwarding;
Furthermore, it is possible to quickly switch to the playback or rewind state during fast forwarding, and to quickly switch to the playback or fast forward state during rewinding, and such an operation switching device has a structure that is simple and suitable for mass production. It has the advantage of being able to be provided at a low cost.

An embodiment of the present invention will be described based on the drawings. In the figure, reference numeral 11 is a board of a push-button magnetic recorder, 12 is a self-returning sliding plate that can move back and forth on the board 11, and a pinch roller is placed on top of it. 13. Attach the recording/playback head 14, erasing head 15, etc.

Self-resetting operation pieces 20 and 3 for recording, rewinding, playing, fast forwarding, pausing, and stopping are provided on the front of the board 11.
Operation button 2 with 0, 40, 50, 60 and 70 upright
1.31.41.51.61 and 71 are installed.

Further, on the back surface of the board 11, there is a sliding piece A facing the operation button 21, a sliding piece B1 facing the operation buttons 31 and 51, a rotating piece C that is rotated by the sliding piece B, and a rotating piece C that is rotated by the operation button 41. A rotating piece is provided.

A long hole A1 provided before and after the sliding piece A.

A2 is a protrusion A3 provided on the substrate 11. engages with A4,
Furthermore, protrusions A5 on both sides. A6 is provided, and this protruding piece A6
A spring A8 is tensioned between the protruding piece A7 of the base plate 11, and the sliding piece A is always returned to the front.

The sliding piece B has a long hole B1 provided in the front and rear. B2 is the board 11
Pin B3. A projection BS that engages with B4 1 and faces the operation button 31.51 at the front.

B6 is provided, and a protruding piece B7. B8 is provided, and a spring B10 is tensioned between this protruding piece B8 and the protruding piece B9 of the base plate 11, so that the sliding piece B always returns to the front.

The rotating pieces C and D are pivotally attached to the base plate 11 by pins C1 and Dl, one end C2 of the rotating piece C is behind the projection B7 of the sliding piece B, and the other end C3 is The projecting shaft C4 provided on the moving plate 12 is located at the rear.

The protruding piece D2 provided at the rear end of the rotating piece is connected to the sliding piece A.
A spring D3 is placed between the protruding piece D2 and the base plate 11, and the protruding piece D2 is pulled toward the protruding piece A5 through the recess D4 at the front of the rotating piece. A protrusion D5 provided on the sliding plate 12 is pressed against a protrusion D6 provided on the sliding plate 12.

A protrusion 12 is provided on the sliding plate 12 at a position opposite to the playback operation button 41.
1 is provided, and a spring 123 is further stretched between a part 122 of the sliding plate 12 and the base plate 11, so that the sliding plate 12 is always returned to the front.

Furthermore, two sliding pieces 80 and 90 are individually slidably arranged between the front part of the substrate 11 and the front part of the sliding plate 12,
A spring 81 is compressed between the left end of the sliding piece 80 and a part of the board 11, and constantly presses the sliding piece 80 to the right side.
Recesses 82, 83, 84, 85z- and 86 are provided at opposite locations of the operation pieces 20°30, 40, 50 and 60, and the recesses 83, 84 and 85 are located on the left side of the front side. Slopes 83a, 84a and 85a are formed, protrusions 83b, 84b and 85b are provided at the rear thereof, and a slope 87a facing the operating piece 70 is formed on the rightmost side.

The other sliding piece 90 is provided with recesses 93, 94° 95 and 96 at positions facing the operation pieces 30, 40° 50 and 60, and the front right sides of the recesses 93°, 94 and 95 are sloped. 93a, 94a, and 95a, and furthermore, a slope 92a facing the operating piece 20 is formed on the leftmost side.

The device is constructed as described above, and its operation will be described next.

First, when the recording button 21 is pressed, the sliding piece A moves back and its protruding piece A5 is positioned behind the protruding piece D2 of the rotating piece. Protrusion 12 of moving plate 12
1, the sliding plate 12 is moved back together with the protruding shafts C4 and B6, and the protruding shaft D6, which was in contact with the protrusion D5 of the rotation piece that was caught in the retreat of the protruding shaft D6, comes into contact with the recess D4, so that the rotation One piece is turned clockwise by spring D3, and the protruding piece D2 becomes the protruding piece A5.
Even if the recording button 21 is moved to the front side and the recording button 21 is released, the button 21 will return by itself, but the sliding piece A will not return because the protruding piece A5 is blocked by the protruding piece D2 and will be locked. Ru.

When the sliding plate 12 retreats, the pinch roller 13 on the plate
is brought into contact with the capstan 101 penetrating the substrate 11, and the recording/reproducing head 14 and the erasing head 15 are
is brought into contact with the tape of the cassette 102 inserted into a cassette box (not shown) to put it in a play state and record it.

Furthermore, when the regeneration button 41 is pressed, the overlapping sliding pieces 80 and 90 are slid left and right by the operating piece 40, and the operating piece 40 is engaged with the rear surface of the protrusion 84b of the recess 84 of the sliding piece 80. The left slope 84a of this recess 84 is connected to the other slope 83a, T
Since the slopes 83a and 85a are formed to be larger than the operating pieces 30 and 50 of the buttons 31 and 51, the sliding piece 80 can be moved largely to the left and the buttons 31 and 51 can be pressed in that state. It is locked in the same position.

Next, by pressing the rewind button 31 or the fast forward button 51,
The sliding piece B is retreated via the protrusion B5 or B6 of the sliding piece B, and as a result of the retreat, the protruding piece B7 of the sliding piece B pushes one end C2 of the rotating piece C, and the rotating piece C is attached to the pin C1. By this rotation, the sliding plate 12 is connected to the spring 12 via the protruding shaft C4 of the sliding plate 12 at the other end C3 of the rotating piece C.
3, and as the sliding plate 12 moves forward, its protruding shaft D6 moves from the recess D4 of the rotating piece toward the protrusion D5, causing the rotating piece to turn counterclockwise. Due to this rotation, the protruding piece D2 of the rotating piece comes off from the protruding piece A5 of the sliding piece A, and the sliding piece A is returned to its original position by the spring A8.

In this state, as the sliding plate 12 moves forward, the pinch roller 13 and heads 14 and 15 separate from the capstan 101 and tape, respectively, so rewinding or fast forwarding can be performed without any problem, and it is not necessary to release the buttons 31 or 51. At the same time, the sliding plate 12 returns and retreats to a regenerating state.

In this playback state, even if the recording button 21 is pressed, the protruding piece A5 of the sliding piece A comes into contact with the protruding piece D2 of the rotating piece and cannot be engaged, so the recording button 21 and the sliding piece A are not locked. Cannot enter recording mode.

Furthermore, when the stop button 71 is pressed in the playback state, the operating piece 70 moves to the sliding piece 80 via the slope 87a of the sliding piece 80.
is moved to the left to release the protrusion 84b that locks the operation piece 40 of the regeneration button 41, and return the regeneration button 41 and the sliding plate 12 to their original positions.

In this state, if you press the rewind button 31, the operation piece 3
0 slides both tank moving pieces 80, 90 left and right, and is locked by being caught by the surface of the protrusion 83b1 of the sliding piece 80.

When the fast forward button 51 or play button 41 is pressed in this rewind state, the operating piece 50 or 40 moves the sliding piece 8.
By moving the sliding piece 80 to the left via the slope 85a or 84a of
3b and the rewind button 31 returns to its original position, move the operation piece 50 or 40 to the protrusion 85b or 84 of the sliding piece 80.
b and locks it.

In the above case, when the fast forward button 51 is pressed to perform fast forwarding, the rewind button 31 or play button 41 is pressed at the same time as described above.
By pressing , you can stop fast forwarding and start rewinding or playing.

As described above, the present invention has two sliding pieces A and B and two rotating pieces C and D, and the side projecting piece A of the first sliding piece A
5 is regulated by the protruding piece D2 of the first rotating piece B, and the protruding piece B7 of the second sliding piece B controls both ends C2,
By moving the sliding plate 12 away from the playback position via C3 to stop the recording and perform rewinding or fast forwarding, it is possible to quickly inspect the quality of the recording or replace the tape. It is possible to switch to the playback state more quickly than when rewinding, to quickly return to a predetermined position when rewinding too much, to switch to playback during fast forwarding, and to quickly return to a predetermined position when fast forwarding too much.
These switching operations can be performed quickly, and the switching mechanism that performs these operations has an extremely simple structure as mentioned above and is suitable for mass production, so it can be provided at low cost. .

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, and FIG. 1 is a plan view of the main part thereof, and FIG. 2 is a back view of the main part. A...First sliding piece, A5...Protruding piece, B...Second
sliding piece, B7... projecting piece, C... second rotating piece, C
2゜C3... end, D... first rotating piece, D2...
・Protruding piece, 11... Board, 12... Sliding plate, 13...
・Pinch roller, 14.15...Magnetic head, 21・
...Record button, 31...Rewind button, 41...Play button, 5
1...Fast forward button, 101...Capstan shaft.

Claims (1)

[Scope of utility model registration request] A first sliding piece A that slides when a recording button is pressed, a sliding plate 12 that slides when a playback button is pressed to reach a playback position, and a first sliding piece A that stops the first sliding piece A to maintain a recording state. With a rotating piece of
A second sliding piece B that slides when the rewind button or fast forward button is moved, and the sliding of the second sliding piece B moves the pinch roller and the magnetic head to the capstan shaft through the sliding plate 12. and a second rotating piece C that slides in the direction away from the magnetic tape, and furthermore, an overlapping slide that engages each of the rewind, playback, and fast forward operation pieces 31, 41, and 51 in the operating state. piece 80
.
5b, and the corresponding slope 84a of the regeneration operation piece 41 is connected to the corresponding slope 83a of the other operation piece 31.51.
85a so that at least the fast-forward and rewind operation pieces 31.51 can be operated without contacting the slopes 83a and 85a during playback operations, while pressing the record button and playback button. Side projecting piece A5 of the first sliding piece A
is locked by the protruding piece D2 of the first rotating piece, and the sliding plate 1
2 to perform the desired recording, the sliding plate 12 is moved against the engagement elasticity of the playback button by pressing the rewind button or the fast forward button, and the protrusion of the second sliding piece B is pressed. Piece B7 is further moved slightly from the playback position in the separating direction via both ends of the second rotating piece C, and both projecting pieces engage the rotating piece of the brush 1 with respect to the first sliding piece A. After releasing the recording button and resetting the recording button, rewinding or fast forwarding is performed, and when the rewinding button or the fast forwarding button is released, the sliding plate 12 is returned to the playback position and playback is automatically performed. furthermore, when a rewind button is pressed and a fast forward button or a play button is pressed during rewinding, the rewind state is stopped and the fast forward or play state is entered.
An operation switching device for a magnetic recorder or the like, characterized in that a fast forward button is pressed and a rewind button or a playback button is pressed during fast forwarding to enter the rewind or playback state.