JP2570298Y2 - Magnetic tape recording / reproducing device - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a magnetic tape recording / reproducing apparatus, and more particularly to a magnetic tape recording / reproducing apparatus which is mounted on a magnetic tape recording / reproducing apparatus while recording or reproducing a single tape cassette mounted on the magnetic tape recording / reproducing apparatus. And a magnetic tape recording / reproducing apparatus capable of rewinding another tape cassette.

[0002]

2. Description of the Related Art In a magnetic tape recording / reproducing apparatus in which a magnetic tape travels in one direction during reproduction of a DAT or the like, once recording or reproduction is performed up to the end of the magnetic tape, recording or reproduction of the magnetic tape is performed again. Need to be rewound.

[0003] In such a conventional magnetic tape recording / reproducing apparatus, in particular, when recording or reproduction is performed on a plurality of tape cassettes successively and then recording or reproduction is performed on the same tape cassette again, rewinding must be performed. A plurality of tape cassettes have to be produced, and recording or reproduction cannot be started immediately because the magnetic tape is rewound, which is inconvenient.

[0004]

[Problems to be solved by the invention] This invention has been made in view of the above-mentioned point, and an object of the invention is to solve the problem that even when a plurality of tape cassettes are continuously recorded and reproduced, the same tape can be used again. It is an object of the present invention to provide a magnetic tape recording / reproducing apparatus capable of extremely shortening the time required for starting recording or reproduction of a cassette or the time of interruption.

[0005]

According to the magnetic tape recording / reproducing apparatus of the present invention, two horizontally moving members are provided on a chassis so as to be reciprocally driven in the left and right directions, and each of the horizontally moving members is provided in the front and rear direction. A moving member is provided so as to be driven in the front-rear direction, and a cassette container is provided in each of the front-back direction moving members so as to be driven up and down, when the horizontal moving member is at a predetermined position and the cassette container is at a predetermined height. When the front-rear direction moving member moves forward, the cassette can be inserted into the cassette container from the cassette insertion port of the housing,
When the cassette container is lowered when the horizontal moving member is at the predetermined position and the longitudinal moving member is retracted, the cassette inserted in the cassette container is configured to be mounted on the tape running mechanism. It is arranged on a single chassis, at least one of which is configured to have a recording / reproducing function.

In the magnetic tape recording / reproducing apparatus, a slider is provided on a side surface of the chassis so as to be reciprocally driven in the front-rear direction, and the arm is rotatably supported by the front-rear moving member and biased by a spring. When the horizontal moving member moves to the moving end in the slider direction, the arm is pushed by the slider and rotates against the elasticity of the spring, the arm is locked with the slider, and the horizontal moving member moves in the direction away from the slider. When the arm is moved, the arm is rotated by the elastic force of a spring to release the engagement with the slider and engage with the horizontal moving member. When the horizontal moving member is on the slider side, the arm moves forward and backward. The member is driven in the front-rear direction by a slider.

[0007]

According to the magnetic tape recording and reproducing apparatus of the present invention,
When a cassette is mounted on a tape traveling mechanism having a recording / reproducing function and recording or reproduction is performed, if a cassette is mounted on another tape traveling mechanism and the magnetic tape of the cassette is in a recording or reproduction completed state, winding is performed. The cassette on which recording or reproduction has been completed and the cassette on which the magnetic tape has been rewound are moved to a predetermined height by raising the cassette container, and the position of the cassette is moved by moving the respective horizontal moving members. , The cassette container is lowered and the rewound cassette is mounted on a tape traveling mechanism having a recording / reproducing function, so that recording or reproduction can be performed immediately.

The cassette is driven in the front-rear direction by the front-rear moving member, but only when the horizontal moving member is located at a position corresponding to the cassette insertion slot. If the slider provided on the side surface of the chassis and the forward / backward moving member are locked via an arm and the cassette is driven in the forward / backward direction by the slider, a drive mechanism for driving the cassette in the forward / backward direction can be arranged on the chassis. The number is also reduced and the mechanism is simplified.

[0009]

An embodiment of the present invention will be described with reference to the drawings. The magnetic tape recording / reproducing apparatus of the embodiment has a bottom plate 1 shown in FIGS. 1 and 5, and a tape traveling mechanism 2 for recording and reproduction and a tape traveling mechanism 3 for rewinding are attached to the bottom plate 1.

As shown in FIGS. 1, 2 and 3, a front panel 4 is attached to the front of the bottom plate 1, and left and right brackets 7, 7 are attached to the rear as shown in FIG. I have. Feed screws 5 and 6 having the same pitch are rotatably supported by the brackets 7 and 7.

As shown in FIGS. 1, 7 and 10, a motor 9 and a gear train are mounted on the left bracket 7, so that the feed screws 5 and 6 are driven to rotate in opposite directions at the same speed. It has become.

As shown in FIG. 3, a rail 8 is mounted above the front panel 4. Also, as shown in FIG. 5, nuts 18, 18,... Are screwed into the feed screws 5 and 6 so that the nuts 18, 18.

The nuts 18 and 18 to be screwed with the feed screw 5 have a high horizontal moving member 10 shown in FIGS.
Are attached, and nuts 18, 18 screwed with the feed screw 6
Is mounted with a low horizontal moving member 12.
The horizontal moving members 10 and 12 have a Z-shape in which the front and rear sides of a horizontally extending plate extend upward and downward, respectively, and the upper portions thereof are slidably supported by rails 8 via rollers 11, 11, respectively.

As shown in FIGS. 1 and 12, the horizontal moving member 10 is provided with long holes 14 extending in the front-rear direction. Similarly, the horizontal moving member 12 has long holes 13 extending in the front-rear direction. , 13... Are provided. Further, FIG.
And FIG. 3, as shown in FIG.
The front and rear moving members 17 are provided on the shafts 15, 15,.
, And the rollers 19, 19,... Are mounted so as to be movable in the front-rear direction.
It is mounted so as to be movable in the front-rear direction via 0, 20,.

As shown in FIGS. 2, 4 and 12, a side chassis 52 is fixed to the right ends of the front panel 4 and the bottom plate 1, and shafts 53, 53...
Rollers 56, 56 are rotatably supported on the shafts 53, 53, respectively. Slots 55 and 5 provided in slider 54
Are engaged with the rollers 56, and the slider 54 is supported by the side chassis 52 so as to be movable in the front-rear direction.

A rack 65 is formed on the lower rear surface of the slider 54 and meshes with a final gear of a gear train driven by a motor 67. That is, the slider 5
4 is driven in the front-rear direction by the rotation of the motor 67. Further, holes 60, 60 are provided in the upper portion and the intermediate portion of the slider 54.

As shown in FIG.
7 and 22 are provided with shafts 59 and 59, respectively.
Arms 50 and 51 are rotatably supported thereon. The arms 50 and 51 are urged counterclockwise by a tension coil spring 68. Arms 50 and 51
The front and rear moving members 17 and 22 at one end thereof have projections 6 facing the holes 60 and 60 of the slider 54 in the retracted position.
1, 61 are provided, and rollers 58, 58 are attached to the other end. A shaft 6 is provided on the upper surfaces of the arms 50 and 51.
2 and 62 are erected, and the horizontal moving members 10 and 1
Notches 63, 63 are provided at the right end of 2.

As shown in FIG. 12, when the horizontal moving member 10 moves to the right end, the roller 58 contacts the slider 54, the arm 51 rotates clockwise, and the projection 61 engages with the hole 60 of the slider 54. Thus, the front-rear direction moving member 17 is driven in the front-rear direction by the slider 54. Also,
When the horizontal moving member 12 moves to the left, the roller 58 separates from the slider 54, the arm 50 rotates counterclockwise, the protrusion 61 separates from the hole 60 of the slider 54, and the shaft 62 engages with the notch 63. Accordingly, the movement of the front-rear direction moving member 22 in the front-rear direction is restricted. The above-described operation is similarly performed by the front-rear direction moving member 17 and the front-rear direction moving member 22.

As shown in FIGS. 1 and 3, behind the moving members 17 and 22 in the front-rear direction, brackets 21 are fixed, respectively. The bracket 21 is formed in a U-shape, and has long holes on the left and right side surfaces. Brackets 23 are fixed in front of the front and rear moving members 17 and 22, respectively. The bracket 23 is formed in a U-shape, and a shaft 24 is provided upright on left and right side surfaces.

A roller 27 is rotatably supported on a shaft 25 erected on the arm 26.
It is movably engaged with one elongated hole. Arm 28 is axis 2
4 and is rotatably supported by the arm 26 and the arm 2
8 is rotatably connected by a shaft 29 to form a pantograph. Such a pantograph has a pair of left and right,
Gears 32, 3 formed on the left and right arms 28, 28, respectively.
Numeral 2 meshes with gears 31 fixed to the left and right of a shaft 30 rotatably supported by a bracket 23 so that the left and right pantographs move in the same manner.

The shafts 35, 35 erected on the side surfaces of the cassette containers 33, 34 rotatably support the other ends of the arms 26, 26, respectively. Each of the cassette containers 33 and 34 has a U-shaped main body portion on which the shafts 35 and 35 are erected, has a side surface extending rearward and a long hole formed in that portion, and the arm 28, A roller 37 rotatably supported via a shaft 36 is engaged with the other end of the roller 28. That is, the cassette containers 33 and 34 are attached to the front and rear moving members 17 and 22 via the pantograph mechanism, respectively.

A cover 38 and a cover 39 are attached to the front and rear of the cassette containers 33 and 34, respectively. A shaft 48 is erected on the cover 38, and a shaft 49 is mounted on the cover 39.
Is erected. Rollers 66, 66 are rotatably supported on the respective shafts 48, 49. On the cassette containers 33 and 34, container support plates 46, 4
The long holes 47, 47 provided in the container support plate 46 are engaged with the rollers 66, 66 as shown in FIG.

As shown in FIG. 5, feed screws 43 and 44 are arranged behind the cassette containers 33 and 34, respectively. That is, as shown in FIG. 4, the upper portions of the feed screws 43 and 44 are rotatably supported by the horizontal moving members 10 and 12 via the bearings 42 and 42, respectively, and the lower portions thereof are horizontally moved as shown in FIG. It is rotatably supported by brackets 41, 41 fixed to the members 10 and 12.

Nuts 45, 45 screwed with the feed screws 43, 44 are fixed to container support plates 46, 46, respectively. In addition, as shown in FIG.
And 44 are rotatably driven by a motor 40 and a gear train supported by the horizontal moving members 10 and 12, respectively. When the feed screws 43 and 44 are rotated by the motor 40, the cassette containers 33 and 34 are driven up and down, respectively.

As shown in FIGS. 3 and 5, an opener 5 for opening the cassette lid is provided on the recording / reproducing tape traveling mechanism 2 and the rewinding-only tape traveling mechanism 3.
7 is attached. Further, a cassette insertion slot 64 is provided on the right side of the front panel 4 as shown in FIG.

Next, the operation of the above embodiment will be described. Initially, it is assumed that each horizontal moving member and each cassette container are at the positions shown in FIGS. 3 and 5, and that no cassette is stored in each cassette container.

First, the horizontal moving member 10 and the horizontal moving member 12 are fed in opposite directions by the feed screws 5 and 6, and are switched to the position shown in FIG.

The forward / backward moving member 22 attached to the horizontal moving member 12 is engaged with the slider 54 via the arm 50, and is sent forward when the slider 54 moves. Then, the forward / backward moving member 22 is moved via the pantograph mechanism.
Is moved forward to approach the cassette insertion slot 64 shown in FIG.

In this state, the cassette A is pushed into the cassette container 34 as shown in FIG. Next, the slider 5
4 moves rearward, and the cassette container 34 is retracted to the position shown in FIG. Next, the horizontal moving member 10 and the horizontal moving member 12 are fed in opposite directions by the feed screws 5 and 6, and are switched to the position shown in FIG.

Further, the cassette container 34 is lowered by the feed screw 44 while holding the cassette A, and the cassette A is mounted on the recording / reproducing tape traveling mechanism 2 as shown in FIG. The recording / reproducing tape traveling mechanism 2 reproduces the magnetic tape of the cassette A. At this time, the cassette has not been mounted in the cassette container 33 yet.

During the reproduction of the cassette A, the cassette container 33 is lowered to the height of the cassette insertion port 64, and is advanced by the slider 54 in the same manner as the cassette container 34 and approaches the cassette insertion port 64. The state in which the front-rear direction moving member 17 has advanced at this time is shown in FIGS. In this state, the cassette B is inserted into the cassette container 34, and then the front-rear direction moving member 17 is retracted to the position shown in FIG.

When the reproduction of the cassette A is completed, the cassette container 33 and the cassette container 34 are moved to the state shown in FIG.
And the feed screws 5 and 6
As a result, the positions of the horizontal moving member 10 and the horizontal moving member 12 are switched, and the cassette containers 33 and 34 are moved from FIG.
Is returned to the position shown in. The cassette container 33 is lowered by the feed screw 43, and the cassette B inserted therein is mounted on the recording and reproducing tape traveling mechanism 2.

At the same time, the cassette container 34 is lowered by the feed screw 44 and the cassette A inserted therein is lowered.
Is mounted on the rewinding-only tape running mechanism 3. In this state, the cassette B is recorded or reproduced, and the cassette A is rewound.

When the cassette A is rewound, the feed screw 4
The cassette A is raised to the height of the cassette insertion slot 64 by 4 and is advanced by the slider 54, and the cassette A is discharged from the cassette insertion slot 64 as shown in FIG.
After taking out the cassette A, the cassette C is inserted into the cassette container 34.

FIG. 7 shows the recording or reproduction state of the cassette B. When the recording or reproduction is completed, the cassette container 33 is raised by the feed screw 43. Hereinafter, the above operation is repeated, but it is possible to perform recording or reproduction by attaching to the tape traveling mechanism so as to perform recording and reproduction again without discharging the rewound cassette.

Although the embodiment is constructed as described above, the invention is not limited to this. For example, a slider for moving the cassette in the front-rear direction and a cassette insertion port are also provided on the left side, and one of the tape rewinding exclusive tape running mechanisms is provided. The other cassette may be ejected or inserted while the other cassette is being rewound.

[0037]

According to the magnetic tape recording / reproducing apparatus of the present invention, recording or reproduction is not interrupted for a long time due to rewinding of the magnetic tape in the cassette.

[Brief description of the drawings]

FIG. 1 is an overall perspective view showing a magnetic tape recording / reproducing apparatus according to an embodiment of the present invention.

FIG. 2 is a perspective view showing the magnetic tape recording / reproducing apparatus viewed from a side opposite to FIG.

FIG. 3 is a left side view of the magnetic tape recording / reproducing apparatus.

FIG. 4 is a right side view of the magnetic tape recording / reproducing apparatus.

FIG. 5 is a front view of the magnetic tape recording / reproducing apparatus.

FIG. 6 is a front view showing another state of the magnetic tape recording / reproducing apparatus.

FIG. 7 is a left side view showing another state of the magnetic tape recording / reproducing apparatus.

FIG. 8 is a left side view showing still another state of the magnetic tape recording / reproducing apparatus.

FIG. 9 is a left side view showing still another state of the magnetic tape recording / reproducing apparatus.

FIG. 10 is a left side view showing still another state of the magnetic tape recording / reproducing apparatus.

FIG. 11 is a left side view showing still another state of the magnetic tape recording / reproducing apparatus.

FIG. 12 is a plan view of the magnetic tape recording / reproducing apparatus.

FIG. 13 is a plan view showing another state of the magnetic tape recording and reproducing apparatus.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Bottom plate 2 Recording / reproducing tape running mechanism 3 Rewinding-only tape running mechanism 4 Front panel 5 Feed screw 6 Feed screw 8 Rail 10 Horizontal moving member 12 Horizontal moving member 17 Front-back moving member 22 Front-back moving member 26 Arm 28 Arm 33 Cassette container 34 Cassette container 38 Cover 39 Cover 43 Feed screw 44 Feed screw 46 Container support plate 54 Slider 57 Opener

Claims (2)

(57) [Scope of request for utility model registration] 1. Two horizontal moving members are provided on a chassis so as to be reciprocally driven in the left-right direction, and a front-rear moving member is provided on each of the horizontal moving members so as to be driven in the front-rear direction. A cassette container is provided in each of the front-rear direction moving members so as to be vertically driven, and when the front-rear direction moving member moves forward when the horizontal moving member is at a predetermined position and the cassette container is at a predetermined height, a cassette insertion opening of the housing. More cassettes can be inserted into the cassette container,
When the cassette container is lowered when the horizontal moving member is at the predetermined position and the longitudinal moving member is retracted, the cassette inserted in the cassette container is configured to be mounted on the tape running mechanism. A magnetic tape recording / reproducing apparatus which is arranged on a chassis and at least one of which has a recording / reproducing function. 2. A slider is provided on a side surface of a chassis so as to be reciprocally driven in the front-rear direction. An arm is rotatably supported by the front-rear direction moving member and biased by a spring. The arm is pushed by the slider and pivots against the elasticity of the spring, and the arm is locked with the slider. When the horizontal moving member moves away from the slider, the arm is resilient by the spring. When the horizontal moving member is on the slider side, the front-rear direction moving member is driven by the slider in the front-rear direction. 2. The magnetic tape recording / reproducing apparatus according to claim 1, wherein: