JP4390490B2 - Recording or reproducing apparatus to / from which a recording medium is attached / detached - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a recording or reproducing apparatus in which a recording medium having a shutter on the front surface is attached and detached.
[0002]
[Prior art]
Conventionally, there is a recording medium in which a shutter (3) is provided on the front surface and an internal disk or storage element is protected. FIG. 5 is a perspective view showing an example. The recording medium (2) has a shutter (3) rotatably provided on the front surface of the shell (20) to protect the internal disk (26). An engagement protrusion (40) is fitted in the shutter (3) to lock the shutter (3). When the engaging protrusion (40) is pushed in, the shutter (3) is unlocked and the shutter (3) is opened (see, for example, Patent Document 1).
Such a recording medium (2) is also shown in FIGS. In the front surface of the shell (20), a shutter (3) having an opening (30) at the center is provided so as to be movable back and forth along the guide shaft (31), and a fitting plate (21) is provided in the opening (30). ) Fits. A hard disk (not shown) is built in the shell (20), and a terminal (22) connected to the hard disk is provided on the fitting plate (21). The shutter (3) is biased forward by a spring (not shown), and covers the fitting plate (21) and the terminal (22) in this state.
A concave groove (25) extending in the front-rear direction is formed on the side surface of the shell (20), and the shutter (3) is inadvertently retracted by a lock claw (23) provided in the concave groove (25). Regulated and prevents terminal (22) from being exposed. As shown in FIG. 7, when the lock claw (23) is pushed inward, the lock is released and the shutter (3) can be retracted. When the shutter (3) is pushed backward, the terminal (22) is exposed.
Various configurations are conceivable for the lock claw (23). For example, as shown in FIG. 8, the lock claw (23) is pivotally supported (24) on the shell (20), and a torsion spring is provided on the pivotal support portion (24). Fit. One end of the lock claw (23) is applied to the rear end of the shutter (3) by a torsion spring, and the other end is exposed from the side surface of the shell (20). When the other end of the lock claw (23) is pushed in, the contact between the one end of the lock claw (23) and the shutter (3) is released, and the shutter (3) can be retracted.
[0003]
FIG. 9 is a plan view of an apparatus in which the recording medium (2) is detachably inserted. In the following description, the direction in which the recording medium (2) advances toward the inside of the apparatus is defined as the front, and the direction in which the recording medium (2) is ejected from the apparatus is defined as the rear. Inside the chassis (1) with the side plates (10) and (10) upright, a tray (4) on which the recording medium (2) is placed is provided so as to be movable back and forth, and is provided at the front end of the chassis (1). Is provided with a connector piece (7) into which the fitting plate (21) is fitted. The front end of the tray (4) is bent upward to form a stopper (41) for the recording medium (2). A motor (M) is provided outside the chassis (1), and the tray (4) is driven by a gear train (not shown) provided on the rear surface of the chassis (1) and connected to the motor (M). A shaft (42) protrudes laterally from the tray (4), and the shaft (42) fits into a long hole (not shown) of the side plate (10) to move back and forth on the chassis (1).
[0004]
FIG. 10 is a front view of the connector piece (7). The connector piece (7) includes a connector (5) having an opening (50) in which the fitting plate (21) is fitted, and a support piece (70) provided with a protrusion (40) that pushes the lock claw (23) inward. Are integrated. A terminal (51) in contact with the terminal (22) of the fitting plate (21) is provided at the periphery of the opening (50) in the connector (5).
The rear end of the protrusion (40) is located behind the connector (5), and when the tray (4) is in the advanced state, the protrusion (40) pushes the locking claw (23) and then engages with the connector (5). The plywood (21) is fitted.
When the recording medium (2) moves forward by being conveyed to the tray (4), the protrusion (40) of the support piece (70) first pushes the lock claw (23) to release the lock, and the shutter (3) can be retracted. Become. If the recording medium (2) advances as it is, the shutter (3) is pushed backward by the peripheral edge of the opening (50) of the connector (5), and the fitting plate (21) is exposed. The fitting plate (21) is fitted into the opening (50) of the connector (5). The terminal (51) of the connector (5) and the terminal (22) of the fitting plate (21) are in contact with each other and are energized, so that recording of a signal on the recording medium or reproduction of a signal from the recording medium (2) becomes possible.
If the tray (4) hits the support piece (70) when the tray (4) has been moved forward, the fitting plate (21) will not fit into the connector (5). Therefore, notches (43) are provided on both sides of the front end of the tray (4) to prevent contact with the support piece (70).
[0005]
[Patent Document 1]
Japanese Patent Laid-Open No. 10-64211 (FIG. 1)
[0006]
[Problems to be solved by the invention]
In the apparatus shown in FIG. 9, since the notches (43) are provided on both sides of the tray (4), the strength of the tray (4) is weak. In addition, by providing the notch (43), the length of the stopper (41) is shortened, the engagement with the recording medium (2) is short, and the arrangement position of the shaft (42) is also limited. is there. Furthermore, since the support piece (70) is provided at the front end of the chassis (1), the left-right width of the front end of the chassis (1) is increased.
In the conventional apparatus, after the tray (4) is driven by the motor (M), the shutter (3) is unlocked and further pushed in the direction to open the shutter (3). Therefore, the load applied to the motor (M) is large.
The object of the present invention is to solve the above problems.
[0007]
[Means for solving the problems]
The recording or reproducing apparatus includes a tray (4) to which a recording medium (2) provided with a connector (5) or a fitting plate (21) covering a lockable shutter (3) is detachably mounted, The tray (4) is supported so as to be movable back and forth, and is moved by a motor (M), and the connector (5) or connector (21) or connector (21) of the recording medium (2) is fitted to the front end. It has a chassis (1) provided with 5). The shutter (3) opens in contact with the fitting plate (21) or the connector (5) on the chassis (1). A mechanism for releasing the lock of the shutter (3) of the recording medium by mounting the recording medium (2) in the tray (4) (2), provided on the tray (4).
The shutter (3) is locked by a lock claw (23) provided on the side surface of the recording medium (2), and a mechanism for releasing the lock of the shutter (3) is provided inside the tray (4). 2) is a projection (40) for pushing the lock claw (23) in a state where it is mounted on the tray (4).
[0008]
[Action and effect]
When the recording medium (2) is mounted on the tray (4), the protrusion (40) pushes the lock claw (23) to unlock the shutter (3). If the tray (4) is advanced as it is, the shutter (3) opens in contact with the fitting plate (21) or the connector (5) on the chassis (1).
1. When the recording medium (2) is mounted on the tray (4), the shutter (3) is unlocked. That is, the load due to the unlocking of the shutter (3) is not applied to the motor (M). When the tray (4) moves forward, the load applied to the motor (M) is only the load that opens the shutter (3), and the load applied to the motor (M) is reduced.
2. Since the mechanism for unlocking the shutter (3) of the recording medium (2) is provided on the tray (4), it is necessary to provide the support piece (70) on the chassis (1) as in the prior art. There is no. As a result, it is not necessary to provide a notch (43) in the tray (4), so that the strength of the tray (4) can be increased, and the arrangement of the shaft (42) can also be afforded, and the engagement of the stopper (41). Long bills can be provided. Moreover, since it is not necessary to provide the support piece (70) on the chassis (1), the left and right widths of the front end of the chassis (1) can be reduced, and the apparatus can be downsized.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an example of the present invention will be described in detail with reference to the drawings.
FIG. 1 is a plan view of an apparatus according to this example. The recording medium (2) detachably attached to the apparatus is the same as the conventional one shown in FIG. A tray (4) on which a recording medium (2) is detachably mounted is provided inside the chassis (1) with the side plates (10) and (10) standing up and down. The front end is provided with a connector (5) into which the fitting plate (21) is fitted. Unlike the prior art, the connector (5) is not provided with a support piece (70).
The front end of the tray (4) is bent upward to form a stopper (41) for the recording medium (2). A motor (M) is provided outside the chassis (1), and the tray (4) is driven by a gear train (not shown) provided on the rear surface of the chassis (1) and connected to the motor (M). The mechanism for moving the tray (4) back and forth from the motor (M) via the gear train has been previously disclosed in Japanese Patent Application Laid-Open No. 2003-99724, and will not be described in detail.
[0010]
FIG. 2 is a perspective view showing a part of the tray (4). On the inner side of the tray (4), there is provided a protrusion (40) that pushes the lock claw (23) of the recording medium (2) inward. Lightly biasing the recording medium (2) from the top to the tray (4) to prevent the plate spring (48) and the empty tray (4) from moving forward by mistake. An erroneous entry prevention lever (6) is provided for preventing the accidental entry. The erroneous entry prevention lever (6) is provided on the outside of the tray (4) so as to be movable up and down, and is provided with a slope (60) at the lower end and a contact piece (61) at the upper end. A contact piece (11) facing the contact piece (61) protrudes from the side plate (10). When the recording medium (2) is inserted into the tray (4), the lower surface of the recording medium (2) pushes the slope (60) downward, and the erroneous entry prevention lever (6) is lowered. The contact piece (61) is positioned below the contact piece (11), and the tray (4) can move forward.
Even if the empty tray (4) moves forward by mistake, the erroneous entry prevention lever (6) does not drop, so the contact piece (61) hits the contact piece (11). The empty tray (4) is restricted from moving forward, and the empty tray (4) does not advance any further.
[0011]
(When a recording medium is loaded in the tray)
As shown in FIG. 1, the user manually inserts the recording medium (2) from the rear side of the tray (4). The protrusion (40) pushes the lock claw (23), and the shutter (3) is unlocked. The shutter (3) is mounted on the tray (4) in a state in which it can be retracted. As described above, the lock claw (23) is urged in such a direction that the end portion is exposed from the side surface of the shell (20), so when the projection (40) presses the lock claw (23), the user feels a click feeling. Feel. Thereby, the user knows that the recording medium (2) is mounted on the tray (4). Advancement of the recording medium (2) is restricted by the stopper (41).
[0012]
In this state, the motor (M) is energized to advance the tray (4). FIG. 3 is a plan view showing a state immediately before completion of advancement of the recording medium (2), and FIG. 4 is a cross-sectional view of FIG. 3 taken along the plane including the line AA. The shutter (3) faces the peripheral edge of the opening (50) of the connector (5). When the tray (4) advances, the shutter (3) is pushed by the peripheral edge of the opening (50). Since the lock of the shutter (3) has already been released, the shutter (3) moves backward and the fitting plate (21) is exposed. While the fitting plate (21) is fitted into the opening (50) of the connector (5), the terminal (22) of the fitting plate (21) and the terminal (51) of the connector (5) are in contact with each other. Thereby, it becomes possible to reproduce a signal from the recording medium (2) and to record a signal on the recording medium (2).
To eject the recording medium (2) from the apparatus, the motor (M) is reversed and the tray (4) is moved backward. The recording medium (2) is pushed by the stopper (41) of the tray (4) and retracts together with the tray (4).
[0013]
1. In this example, when the recording medium (2) is mounted on the tray (4), the shutter (3) is unlocked. That is, the load due to the unlocking of the shutter (3) is not applied to the motor (M). When the tray (4) moves forward, the load applied to the motor (M) is only the load that opens the shutter (3), and the load applied to the motor (M) is reduced.
2. Since the mechanism for unlocking the shutter (3) of the recording medium (2) is provided on the tray (4), it is necessary to provide the support piece (70) on the chassis (1) as in the prior art. There is no. Thereby, it is not necessary to provide the notch (43) in the tray (4), the strength of the tray (4) can be increased, and there is room for the arrangement of the shaft (42). Further, as compared with the conventional case, the engagement margin between the stopper (41) and the recording medium (2) can be provided longer. Moreover, since it is not necessary to provide the support piece (70) on the chassis (1), the left and right widths of the front end of the chassis (1) can be reduced, and the apparatus can be downsized.
[0014]
In the above description, the connector (5) is provided on the chassis (1), and the fitting plate (21) is provided on the recording medium (2). However, the fitting plate (21) may be provided on the chassis (1), and the connector (5) may be provided on the recording medium (2).
[0015]
The above description of the embodiments is for explaining the present invention, and should not be construed as limiting the invention described in the claims or reducing the scope thereof. In addition, the configuration of each part of the present invention is not limited to the above embodiment, and various modifications can be made within the technical scope described in the claims.
[Brief description of the drawings]
FIG. 1 is a plan view of an apparatus according to the present embodiment.
FIG. 2 is a perspective view showing a part of the tray.
FIG. 3 is a plan view showing a state immediately before completion of advancement of the recording medium.
4 is a cross-sectional view of FIG. 3 taken along the plane including the line AA. FIG.
FIG. 5 is a perspective view showing an example of a conventional recording medium.
FIG. 6 is a perspective view showing another conventional recording medium.
7 is a perspective view showing a state in which the shutter of the recording medium in FIG. 6 is opened.
8 is a plan view showing an example of the internal structure of the recording medium of FIG. 6. FIG.
FIG. 9 is a plan view of a conventional apparatus.
FIG. 10 is a front view of a conventional connector piece.
[Explanation of symbols]
(1) Chassis
(2) Recording medium
(3) Shutter
(4) Tray
(5) Connector
(21) Mating plate
(23) Lock claw

Claims (3)

A recording medium (2) provided with a connector (5) covered with a lockable shutter (3) or a fitting plate (21) at the front end is detachably mounted on the tray (4) and the tray (4) front and rear. A chassis provided with a fitting plate (21) or a connector (5) in which the connector (5) or the fitting plate (21) of the recording medium (2) is fitted to the front end portion while being movably supported and moved by the motor (M) In a recording or playback device comprising (1),
A mechanism for releasing the lock of the shutter (3) of the recording medium by mounting the recording medium (2) in the tray (4) (2), the tray (4) recording or reproducing apparatus, wherein the setting digit on .   The recording or reproducing device according to claim 1, wherein the shutter (3) opens in contact with the fitting plate (21) or the connector (5) on the chassis (1).   The shutter (3) is locked by a lock claw (23) provided on the side surface of the recording medium (2), and a mechanism for releasing the lock of the shutter (3) is provided inside the tray (4). The recording or reproducing apparatus according to claim 1 or 2, wherein 2) includes a protrusion (40) for pushing the lock claw (23) in a state of being mounted on the tray (4).

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