JPS587497Y2 - tape recorder - Google Patents

Description

[Detailed Description of the Invention] This invention relates to an ultra-small tape recorder that is specially devised for loading a mini-tape cassette with a specific structure.

By the way, in a normal tape recorder, after loading a tape cassette into the tape recorder main body, the magnetic head on the main body side is moved forward to bring the head into contact with the tape, but this idea is so small that it can fit in the palm of your hand. Because it is a standardized tape recorder, the position of the magnetic head is fixed on the reel shaft or the magnetic header body at the time of purchase, and the tape cassette is loaded from directly above along the reel shaft. It was not possible to move the tape forward and make it contact the head, so this idea conversely pushed out the tape part on the cassette side and brought it into contact with the magnetic head. The main body has been modified so that it comes into contact with the head.

Examples will be described below with reference to the drawings.

First, the structure of the mini tape cassette loaded into the tape recorder body will be described.

A magnetic head that winds both ends of the tape 3 on the left and right reels 2 provided on the case 1, and winds the tape 3 in a manner that allows it to be freely rewound and unwound. In the □ tape cassette facing the intervention window 4, support shafts 5 and 6 are provided near both ends of the window 4 for slidingly guiding the tape portion facing the window. ，
L/L, which is substantially parallel to the tape moving direction, is supported on the inner surface of the tape portion stretched between the tape parts 5 and 6, with the midway part supported on the support shafts 5 and 6.
Huff, each of the 8 faces one end.

In this example, one ends of the levers 7 and 8 are brought into contact with each other in an overlapping manner in the front and back as shown in the figure, and this overlapping causes a flexible and elastic pad 9 to be fixed to the front surface of the lever 7 located at the front. It faces the inside surface of the above tape.

The other ends of the levers 7, 8, r/, and s/, respectively, face other holes 10 and 11 provided in the case so as to be pressed by members provided in the main body, which will be described later.

Furthermore, a spring 12 is applied to the lever 7.8, which urges the lever away from the tape, and this spring 12 is supported by the armature 13 of the levers 1,8.

Further, the plate portions facing above and below the window hole 4 are cut out to prevent the cassette from getting caught when loading the cassette.

Next, the operating member 14 provided on the main body side for operating the lever 7.8 of the tape cassette will be described.

This operating member 14 is supported by a pin 15 implanted in the main plate of the main body via a long hole 16 so as to be movable back and forth, and the front part of the operating member 14 is pivotally supported at the middle part to the main plate by a shaft 17. It is connected to one end of the pusher piece 18 so as to be freely pushable.

The push piece 18 has the other vibrating end 7; 8' of the lever 7 or 8.
A protrusion 19 is provided for pressing.

Note that 20 is a push button. Next, the operation will be described. In order to load a tape cassette into a tape recorder main body which is provided with a reel shaft JP magnetic head fixed in position, the cassette is loaded from directly above parallel to the reel shaft.

In this loaded state, the intervention window 4 of the magnetic head naturally faces the magnetic head, but the tape facing the window is still out of contact with the magnetic head. By moving forward, the push piece 18 rotates around the shaft 17, and the protrusion 19 enters the hole 10, causing the protrusion 19 to push the other vibrating end 7' of one lever 7. rotates around its shaft 5 and against the spring 12 to push out the tape portion between the support shafts 5 and 6 to the front side of the window hole 4,
Due to this extrusion, the tape naturally comes into contact with the magnetic head which is in the same plane as the tape.

At this time, the pad pressure of the protrusion 19 is adjusted by a spring (not shown) interposed between the protrusion 19 and the push piece 18.

Also, when the operating member 14 is released, the lever I is released from the spring 12.
As a result, the tape is separated from the magnetic head.

When loading the tape cassette upside down into the main body, the other vibrating end 8' of the other lever 8' faces the car protrusion 19 and its operation allows the vibrating end 817) of the other lever 8 to Of course, the tape can be operated in the same way as before by pressing the overlapping part of the lever 7.

Fig. 4 shows that the pad 9 is independently supported by a leaf spring 9', and when the leaf spring 9' is pressed by the lever 7 or 8, the pad 9 pushes out the tape, and when the lever is released, the leaf spring 9' restores itself. This is a modified example in which the pad is separated from the tape surface.

In short, the present invention has a structure in which the tape is pushed out by operating an operating member provided on the main body, and the tape is brought into contact with the magnetic head, instead of moving the magnetic head forward and bringing the head into contact with the tape as in the conventional case. This is an important element in the ultra-miniaturization of the tape recorder main body, that is, it has become possible to fix the magnetic head in the main body, and its function can be improved by using it in combination with the specific mini tape cassette described in the example. It is possible to fully demonstrate this.

[Brief explanation of drawings]

FIG. 1 is a partially cutaway side view, FIG. 2 is a side cross-sectional view of a portion of the top, FIG. 3 is an explanatory view of the mode of use, and FIG. 4 is a modified example. 7.8... Pressing member, 14... Operating member.

Claims (1)

[Scope of utility model registration request] Wind up and unwind both ends of the tape on the left and right reel hubs inside the case, and place the stretched tape part between both reels facing the intervention window hole of the magnetic head provided in the case. The reel shaft and magnetic head for use with a specific tape cassette are fixedly positioned on the inside surface of the tape facing the window hole, with a pad that pushes the tape forward of the window hole exposed by a movable lever installed in the case. A tape recorder, in which one end of a pusher whose midway portion is pivoted to the tape recorder main body faces the lever so as to be freely pushable, and the other end of the pusher is rotatably operated by an operating member provided on the tape recorder main body. A tape recorder characterized by being freely connected.