JP2714194B2 - Multiple cassette mounting device - Google Patents

Description

The present invention relates to a cassette mounting device in a time recording / reproducing device capable of selectively mounting a plurality of large and small cassettes.

(B) Conventional technology As a configuration in which a plurality of large and small cassettes can be selectively mounted, an adapter for a small cassette having the same shape as the large cassette is mounted instead of the large cassette, and a small cassette mounting port is provided at a different place from the adapter insertion port. Japanese Patent Laid-Open No. Sho 59-193502 discloses a compatible mechanism in which a so-called standard cassette tape and a c-cassette tape can be selectively mounted.
Proposed in G11B1 / 00.

(C) Problems to be Solved by the Invention According to the compatibility mechanism as described above, when a large cassette is mounted on the apparatus, the small cassette adapter already mounted on the apparatus must be removed from the apparatus and stored outside the apparatus. There is annoying that it does not become.

(D) Means for Solving the Problems The present invention provides a compatible mechanism for a standard cassette / c-cassette which can selectively mount a large and small cassette which has solved the above-mentioned problems. In a magnetic recording / reproducing apparatus capable of selectively mounting a plurality of large and small cassettes, a first position which moves to a first position in a standby state, a second position where a large cassette can be mounted / discharged, and a third position where a performance can be performed. , A fourth position retracted from the movement path of the first holder, and the first position near the first position.
The second holder for holding the adapter, which approaches the holder and transfers the small cassette adapter to the first holder, moves to the fourth position again and waits, and the first and second holders. The first holder is provided with a large cassette holding means, the second holder is provided with an adapter holding means, and the releasing means for releasing the large cassette holding means. And means for controlling the operation of the release means.

(E) Function When the large cassette is mounted by the above configuration,
In a normal operation, a large cassette is mounted on the first holder to play a tape, and when a small cassette is mounted, an adapter for the small cassette mounted on the second holder is externally operated. Is transferred to the first holder and the small cassette can be mounted.

(F) Embodiment Hereinafter, an embodiment of the large and small set mounting apparatus of the present invention will be described in detail with reference to the drawings.

FIG. 1 is an external perspective view of a main part of the present invention, FIG.
FIG. 3 is a schematic view in each state for explaining the present invention, and FIGS. 4 to 11 are a plan view and a side view in each state. First, the configuration of the apparatus of the present invention will be described with reference to FIG. 1 and FIGS.

The cassette tray (first holder) (1) includes a front plate (2), left and right rails (3) and (3), left and right racks (4) and (4), and a U-shaped holder ( 5 ). The front ends of the rails (3) and (3) penetrate the front plate (2),
They are connected to each other by springs (6) and (6). The left and right racks (4) are in the U-shaped holder ( 5 ).
(4) is fixed, and hook levers (7) and (7) for holding the cassette (10) are attached to the open end in a rotatable and spring-biased manner in one direction. The rack (4) is provided with L-shaped rack teeth (a horizontal rack (4a) and a vertical rack (4b) are continuously provided) and hook-like projections (4c) (4d) in a vertical direction. On the other hand, the rail (3) is integrally formed with hook-shaped recesses (3a) and (3b) fitted into the protrusions (4c) and (4d) and with a hook-shaped protrusion (3c) in the horizontal direction. (8) is a cassette holder, which is attached to the rack (4) while being urged to rotate in one direction.

(9) is a cabinet in which the cassette tray (1) is provided so as to be able to come and go in the opening (9a). (11) is a rail provided with a hook-shaped recess (11a) in the horizontal direction, and two legs supporting the rail (11) are also provided with a hook-shaped recess (11c).
(11d) is provided (see FIG. 5). Hook-shaped recess (1
The hook-like projection (3c) of the rail (3) fits into 1a),
The hook-shaped projections (4c) and (4d) of the rack (4) are fitted into the hook-shaped recesses (11c) and (11d), respectively.

(12) is a drive motor attached to the side plate (13).
Worm wheel (14a) and gear (14b) on side plate (13)
And a gear (15) for driving the rack (4). Worm (12a) attached to motor (12) to gear (14), gear (15)
(16) is an adapter holder (second holder) for holding the cassette adapter (17), which transmits the rotational torque of the motor (12) to the rack (4) via the A lever (19) that operates when receiving the adapter (17) is rotatably and unidirectionally biased and attached to both side surfaces of the holder (16). The adapter holder (16) is formed in a box shape with a U-shaped cross section and open in one direction, and two hook-shaped protrusions (16b) (16b) are formed on the top plate (16a).
And the straight rack (16c) are integrally formed. (First
(See Figures 0 and 11) (20) is a chassis,
The hook-shaped recess (20) into which the hook-shaped protrusion (16b) (16b) of 6) fits
a) (20a), control protrusion (20b) (20b), control protrusion (20
c) (20c) is integrally formed. The motor (21) is attached to the bracket (22) by a motor, and the rotational torque of the motor (21) is transmitted to the linear rack (16c) via the motor pulley (23), the belt (24), and the pulley gear (25). . (2
6) shows a mechanical chassis, and (27) shows a small cassette.

 Next, the operation of the configuration of the present invention will be described.

(1) Operation when using a large cassette (standard cassette) FIGS. 4 and 5 show the ejected state, in which the cassette tray (1) is initially stored in the opening (9a) of the cabinet (9). When an eject button (not shown) is pressed, the cassette tray (1) projects outward as shown in FIG. In this state, the cassette (10) is mounted in the holder ( 5 ), and a switch (not shown) is turned on by pushing an operation button (not shown) or pressing the cassette tray (1), Motor (12)
Rotates. Worm (12a) Worm wheel (14a)
The rotation is transmitted to the horizontal rack (4a) via the gear (14b) and the gears (15a) (15b), and the cassette tray (1) starts to move horizontally to the right in the drawing.

The rail (3) and the rack (4) are integrated, and the hook-like projection (3c) of the rail (3) is engaged with the hook-like recess (11) of the rail (11).
a) Sliding guide inside. Horizontal rack (4
Since the vertical rack (4b) is provided continuously to a), the rotation torque of the motor (12) is continuously transmitted at the end of the horizontal movement, and the rack (4) moves in the vertical direction. In this case, the hook-shaped projections (4c) (4d) of the rack (4) face the hook-shaped recesses (11c) (11d) of the rail (11), and the rack ( 5 ) integrated with the U-shaped holder ( 5 ) Only 4) slides vertically in the hook-shaped recesses (3a) and (3b) of the rail (3), and the hook-shaped recesses (11c) (11) of the rail (11).
d) Slide vertically inside to bring the cassette (10) to the playing position. (See Figures 10 and 11). That is, the above-described series of operations are in the states shown in FIGS. 2 (a) to 2 (c). The switch (not shown) detects that the cassette (10) has reached the playing position, and turns off the motor (12).

In order to eject the large cassette (10), the cassette (1) is brought into the state shown in FIG. 4 by rotating the motor (12) in the reverse direction, and the cassette (10) can be taken out.
Since the front plate (2) of the cassette tray (1) and the rail (3) are connected by a spring coil (6), when the tray (1) moves rightward, the front plate (2) is moved.
Stops at the opening (9a) of the cabinet (9), after which the spring coil (6) expands and the U-shaped holder ( 5 ) can move further rightward integrally with the rack (4). .

(2) Operation when using a small cassette (c-cassette) The adapter holder (16) holding the cassette adapter (17) is shown in Figs. As shown, it is located at the right end of FIG. This position is referred to as a fourth position (see FIG. 3A).

By pressing a selection button (not shown) for using a small cassette, the motor (21) is rotated and the linear rack (16) is rotated.
The holder (16) moves to the fifth position shown in FIGS. 6 and 7 via c) (see FIG. 3 (b)). Holder (16)
In the fourth position, the adapter holding lever (18) attached to the holder (16) is urged clockwise, and the tip (18a) of the lever (18) is moved to the adapter (1).
7) engages with the notch (not shown) of the adapter (17)
Is held in the holder (16), but in the fifth position (third position).
Figure (b)) because the adapter (17) in the course of the holder (16) is moved to push down the front end (7a) of the holder (the hook lever 5) (7), the adapter (17) without hindrance holder (5) It is stored inside. When the adapter (17) is completely housed in the holder ( 5 ), the hook lever (7) returns by the urging force of the spring, and holds the adapter (17) at the tip (7a). In the fifth position, the lever (18) of the adapter holder (16) is
And rotates counterclockwise in contact with the control projection (20c), thereby disengaging from the adapter (17). Thus, the adapter (17) is transferred from the holder (16) to the U-shaped holder ( 5 ) and is held by the holder ( 5 ). From this fifth position, the holder ( 5 ) is moved in the ejecting direction, while the adapter holder (16) is moved to its original position, that is, the fourth position on the right end of the drawing by the reverse rotation of the motor (21).

When the tray (1) is ejected (FIG. 3 (c)), the small cassette (27) is mounted, and the operation button (not shown) is pressed, or the tray (1) is pressed by hand.
The small cassette (27) is connected to the adapter (1
The holder ( 5 ) is brought to the playing position in a state where the holder ( 5 ) is mounted (see FIG. 3 (d)).

Next, removal of the small cassette (27) will be described. In the cassette-in state, the first
This is the same as the state shown in FIGS.

Now, by operating the eject button (not shown),
The holder ( 5 ) moves to the eject position (FIG. 3 (e)), and the small cassette can be taken out. After removing the small cassette, if the operation button (not shown) is continuously pressed or the tray (1) is manually pushed, the holder ( 5 ) is not mounted because neither the large cassette (10) nor the small cassette (27) is mounted. Stops at a position slightly shifted to the right from the transfer position of the cassette adapter (17), that is, the fifth position. At this time, the adapter holder (16) moves to the left before the stop position of the holder ( 5 ), and during this movement, the control lever (1b) is moved to the control projection (20b) of the chassis (20).
9) abuts, and the operating lever (19) rotates counterclockwise to press the projection (7b) of the hook lever (7) of the holder (5). Therefore, the hook lever (7) rotates clockwise, the cassette adapter (17) is unlocked, and the adapter holder (16) can be moved in the horizontal direction. As the adapter holder (16) moves to the left, the tip (18a) of the adapter holding lever (18) of the adapter holder (16) contacts the top surface of the cassette adapter (17) in the holder ( 5 ). After being pressed and contacted and once rotated counterclockwise to free the cassette adapter (17), the tip (18a) of the lever (18) is connected to the adapter (17).
Into the notch, the adapter (17) is in the holder ( 5 )
From the adapter holder (16). From this state, the adapter holder (16) moves to the right end position (FIG. 3 (a)). At this time, the holder ( 5 )
In the standby position. It goes without saying that in the above-described cassette-in / inject operation of the large cassette and the small cassette, the holder ( 5 ) and the adapter holder (16) are designed to detect the respective positions by the mode switch (not shown).
In the apparatus of the present invention, the small cassette is configured to be mounted and ejected. However, with the small cassette (27) mounted in the cassette adapter (17), the adapter (17) is held and held in the adapter holder (16). It is also possible to adopt a configuration in which these are performed.

(G) Effects of the Invention As described above, the apparatus of the present invention is provided with the first holder for the large cassette and the second holder for holding the adapter for the small cassette, and when the large cassette is used, the second holder for holding the adapter. Holder is standby, and when using a small cassette, the adapter is transferred from the second holder to the first holder, so when the adapter is not used as usual, take it out of the device and store it in another place This eliminates the hassle of doing so, so that the adapter is not lost or damaged.

[Brief description of the drawings]

1 is an external perspective view of a main part of the present invention, FIGS. 2 and 3 are schematic views for explaining each operation mode, FIGS. 4 and 5 are plan and side views of an ejected state, and FIGS. FIGS. 8 and 9 are plan and side views of transferring the adapter in the tray to the adapter holder, and FIGS. 10 and 11 are plan views and a playing state of the adapter. The side views are respectively shown. (1) ... cassette tray, (3) ... rail, (4)
... Rack, ( 5 ) First holder, (7) Large cassette holding means, (10) Large cassette, (16)
Second holder, (17) ... adapter, (20) ... chassis, (27) ... small cassette.

Claims (1)

(57) [Claims] 1. A magnetic recording / reproducing apparatus capable of selectively mounting a plurality of large and small cassettes, comprising: a first position in a standby state;
A second position where a cassette can be mounted or ejected, a first holder that moves to a third position where a performance can be performed by a cassette mounting operation, and a fourth position retracted from a movement path of the first holder. A second holder for holding the adapter that approaches the first holder near the first position, transfers the small cassette adapter to the first holder, and then moves to the fourth position again and waits; Driving means for driving the first and second holders, respectively,
The second holder controls the large cassette holding means, the second holder controls the adapter holding means and the releasing means for releasing the large cassette holding means, and the chassis controls the operation of the adapter holding means and the releasing means. A plurality of cassette mounting apparatuses, each of which is provided with control means for performing the operation.