JPH06180965A - Cassette adaptor - Google Patents

Abstract

PURPOSE:To facilitate loading and unloading a small-sized tape cassette. CONSTITUTION:A cassette adaptor 1 is used when a small-sized tape cassette 4 which is smaller than a standard-type tape cassette is loaded into a recording and playback apparatus for the standard-type tape cassette. Loading arms 11, 12 which draw out a tape 4a from the small-sized tape cassette 4 and which form a front tape path P which is nearly identical to that of the standard-type tape cassette are provided inside an adaptor enclosure 2. In addition, the cassette adaptor is provided with a cassette holder 5 which holds the small-sized tape cassette 4 and with a raising and lowering mechanism 6 which raises, lowers and displaces the cassette holder 5.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement of a cassette adapter used when a small tape cassette smaller than a standard type tape cassette is mounted in a recording / reproducing apparatus for the standard type tape cassette.

[0002]

2. Description of the Related Art A conventional cassette adapter 10 shown in FIG.
Reference numeral 0 denotes a storage recess 1 formed on the upper surface of the adapter housing 101.
02 by inserting the small tape cassette 200 into the lid 103
Is closed, the loading arms 104a and 104b provided in the adapter housing 101 pull out the magnetic tape in the small tape cassette 200 to form the same front tape path as the standard tape cassette. In addition,
Reference numeral 105 is a reel disk entry hole formed in the lower surface of the storage recess 102.

[0003]

However, with the conventional cassette adapter 100, it is difficult to position the small tape cassette 200 when it is inserted, and when taking out the small tape cassette 200, the fingers are reeled from the lower surface side of the adapter housing 101. Since it was necessary to insert the small tape cassette 200 into the disc entry hole 105 and push up the small tape cassette 200, it was troublesome to insert and remove the small tape cassette 200.

[0004]

SUMMARY OF THE INVENTION The present invention solves the above-mentioned problems and is used when a small tape cassette smaller than a standard type tape cassette is mounted in a recording / reproducing apparatus for the standard type tape cassette. In a cassette adapter having a loading arm for pulling out a tape from the small tape cassette to form a front tape path substantially the same as the standard tape cassette in an adapter housing, a cassette holder for holding the small tape cassette, and the cassette An elevating mechanism for elevating and displacing the holder is provided, and the cassette holder is configured to be displaced between a cassette insertion / removal position protruding from an upper surface of the adapter housing and a cassette mounting position in the adapter housing. The present invention provides a cassette adapter that does.

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings.

FIG. 1 is an overall perspective view showing an embodiment of a cassette adapter according to the present invention, FIG. 2 is a partial perspective view of the same cassette adapter, and FIG. 3 is a state explanatory view of the same cassette adapter.
FIG. 4 is a plan view of the cassette adapter.

A cassette adapter 1 shown in FIG. 1 is an adapter housing 2 having substantially the same outer dimensions as a standard tape cassette.
And a front lid 3 are provided, and when the small tape cassette 4 is mounted,
It forms the same front tape path as the standard tape cassette. The small tape cassette 4 is designed so that the small tape cassette 4 can be easily inserted and removed (inserted / removed).
And a cassette holder 5 for holding
Is provided with an elevating mechanism 6 for moving up and down in the directions of arrows X1 and X2.

As shown in FIG. 2, the cassette holder 5 is formed of left and right side portions 51, 52, an upper surface portion 53, and a lower surface portion 54 into a generally square shape, and a cassette insertion hole 55 is formed on the front surface side thereof. I have it. By inserting the small tape cassette 4 through the cassette insertion hole 55, the cassette holder 5 holds the small tape cassette 4 in the internal space 56.

Notches 51a and 52a are formed on the front sides of the side surfaces 51 and 52 so that the inserted small tape cassette 4 can be easily removed. The lower surface portion 54 is provided with a stopper 54a for positioning the inserted small tape cassette 4, and other holes 54b and 54b for allowing a reel disk (not shown) provided in the adapter housing 2 to enter. A hole 54c for allowing the loading pole of the loading arm to be described later to enter is formed. It is assumed that the cassette holder 5 has a mechanism for opening the lid of the inserted small tape cassette 4.

The elevating mechanism 6 shown in the figure comprises the holder supporting part 7 attached to the adapter housing 2 and two sets of arm members (81, 83), (82, 84) as follows. I am doing it.

The holder support portion 7 is formed by bending a sheet metal into a substantially U-shape, for example. It is fixed with screws. The side surface portion 71 of the holder support portion 7 and the side surface portion 51 of the cassette holder 5 are two arm members 8
1, 83 are connected, and a parallel link mechanism is constituted by these. That is, one ends of the arm members 81 and 83 are pivotally supported on the side surface portion 71 of the holder support portion 7 by the shafts J1 and J2, and the other end sides of the arm members 81 and 83 are connected to the shafts J3 and J.
4 is pivotally supported on the side surface portion 51 of the cassette holder 5. The side surface 72 of the holder supporting portion 7 and the side surface 52 of the cassette holder 5 on the opposite side are similarly connected by two arm members 82 and 84, which constitute a parallel link mechanism. To do. By providing such an elevating mechanism 6, the cassette holder 5 can be displaced up and down in the directions of arrows X1 and X2 without breaking its posture.

As shown in FIG. 1, the cassette holder 5
Is movable up and down through an opening 21a formed in the upper surface 21 of the adapter housing 2. Further, the raising / lowering operation of the cassette holder 5 is performed by the lid 9 that covers the opening 21 a of the adapter housing 2.
The lid 9 and the elevating mechanism 6 are devised as follows so as to interlock with the opening / closing operation of the.

As shown in FIG. 2, the lid 9 can open and close the opening 21a by pivotally supporting shafts 91 and (92) provided at both ends of the lower portion to the adapter housing 2 side. it can. Arc-shaped guide grooves 93a, (94a) as shown in the drawing are formed in the bent portions 93, 94 provided at both ends of the lid body 9, and the arm member 81 forming a part of the lifting mechanism 6 is formed therein. , 82 provided on the other end side of the guide pins 81a, (82
a) is being guided. With such a device, the positions of the guide pins 81a, (82a) of the arm members 81, 82 can be changed in the height direction with the opening / closing operation of the lid 9, and the cassette holder 5 can be displaced up and down.

It should be noted that a lock mechanism (not shown) for constantly biasing the arm member 81 counterclockwise about the axis J1 at one end Pa of the spiral spring P and locking the lid 9 in the closed state is provided. If provided, the cassette holder 5 can be popped up together with the lid 9 when the lock mechanism is released.

Cassette adapter 1 constructed as described above
Then, with the opening / closing operation of the lid 9, the cassette holder 5 can be displaced between the cassette insertion / removal position shown in FIG. 3A and the cassette mounting position shown in FIG. 3B.

Cassette holder 5 in cassette insertion / removal position
Is projected from the upper surface 21 of the adapter housing 2 and its cassette insertion port 55 is exposed, so that the small tape cassette 4 can be easily inserted and removed at this time.

Cassette holder 5 in the cassette mounting position
Is located inside the adapter housing 2, and at this time, the loading arms 11 and 12 shown in FIG. 4 pull out the magnetic tape 4a from the small tape cassette 4 and perform the original function of the cassette adapter.

As shown in FIG. 4, the loading arms 11 and 12 which are rotatable about the pivots J5 and J6 are located in the adapter housing 2. The loading arms 11 and 12 can be reciprocally rotated between a solid line position and a chain double-dashed line position by a drive mechanism (not shown), and the loading poles 11 for pulling out the magnetic tapes at the respective tips.
a and 11b are provided. Then, when the cassette holder 5 holding the small tape cassette 4 reaches the cassette mounting position, the loading arms 11 and 12 are displaced from the two-dot chain line position to the solid line position, and their low dig poles 11a and 11b are small tape cassettes. The magnetic tape 4a is pulled out from within 4 to form a front tape path P which is substantially the same as the standard tape cassette as shown in the figure.

Such a cassette adapter 1 not only functions as a cassette adapter, but also has a practical effect that the small tape cassette 4 can be easily inserted and removed.

[0020]

As can be seen from the above description, the cassette adapter according to the present invention not only functions as a cassette adapter, but also has a practical effect that a small tape cassette can be easily inserted and removed.

[Brief description of drawings]

FIG. 1 is an overall perspective view showing an embodiment of a cassette adapter according to the present invention.

FIG. 2 is a partial perspective view of the cassette adapter.

FIG. 3 is a state explanatory view of the cassette adapter.

FIG. 4 is a plan view of the cassette adapter.

FIG. 5 is a perspective view showing a conventional cassette adapter.

[Explanation of symbols]

 1 cassette adapter 2 adapter housing 21 upper surface 4 small tape cassette 5 cassette holder 6 lifting mechanism

Claims (1)

[Claims] 1. A small tape cassette smaller than a standard type tape cassette is used when mounted in a recording / reproducing apparatus for the standard type tape cassette, and a tape is pulled out from the small size tape cassette and is substantially the same as the standard type tape cassette. In a cassette adapter having a loading arm that forms a front tape path in an adapter housing, a cassette holder that holds the small tape cassette and an elevating mechanism that displaces the cassette holder up and down are provided, and the cassette holder is the A cassette adapter configured to be displaced between a cassette insertion / removal position protruding from an upper surface of an adapter housing and a cassette mounting position in the adapter housing.