JP3439071B2 - Recording device for disks stored in cartridges - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a recording device for recording information via a disc in a cartridge.

[0002]

2. Description of the Related Art Conventionally, as shown in FIGS. 20 (a) and 20 (b), a disc (60) is housed in a rectangular cartridge (6), and the disc (60) is mounted on one side of the cartridge (6). A recording medium having a transparent window (62) for exposing a part thereof is used.
The transparent window (62) can be slid back and forth on the cartridge (6), and the opening and closing can be switched by a shutter (61) having a small hole (63) on the side surface. On the side of the shutter (61), the cartridge (6)
A first slit hole (64) is formed on the side surface, and a second slit hole (65) is formed on the side surface opposite to the side where the shutter (61) is provided, extending in the front-rear direction. The shutter (61) is engaged with the cartridge (6) by a lock mechanism (not shown), and when the cartridge (6) is inserted into the recording / reproducing apparatus, the unlocking piece ( 29) enters the first slit hole (64) and the lock is released. When the unlocking piece (29) pushes the shutter (61), the shutter (61) opens.

FIG. 17 is an exploded perspective view of a mechanical deck (100) for recording / reproducing a disk in the cartridge (6).
The mechanical deck (100) has a cartridge (6) from the front opening.
The inner holder (2) into which is inserted and the outer holder (3) covering the upper surface of the inner holder (2) are combined and mounted on the chassis (1). As is well known, a pickup (75) and a turntable (76) are provided on the chassis (1), and a pickup (75) is provided with a recording head (70) at its tip via a bracket (71). The head lever (7) is attached. The head lever (7) is pivotally supported by the bracket (71) and is urged downward. The head lever (7) is lifted and lowered by a head lifting mechanism (not shown) separately provided on the chassis (1). The chassis (1) is fixed to the bottom of the cabinet (4) of the device.

On the upper surface of the inner holder (2), the recording head (70)
A through hole (20) is formed to allow the passage of the through hole (20), and a kicking lever (8) having a notch (86) at the peripheral edge is pivotally supported on the side of the through hole (20). On the chassis (1), a stopper piece (17) is provided upright at a position corresponding to the front of the kick lever (8). The kick lever (8) is urged toward the cartridge discharge side by a tension spring (85) hung between the kick lever (8) and the inner holder (2), and abuts on a stopper (210) protruding from the upper surface of the inner holder (2). ing. One end of the kick lever (8) is bent downward so that when the cartridge (6) is inserted, the cartridge (6)
Forming a pushing piece (80) pushed by the front surface of the. The outer holder (3) covers the inner holder (2), and the protruding shafts (220) (220) projecting from the side surface of the inner holder (2) have cam grooves (obliquely formed on the side surface of the outer holder (3) ( 30) Fits in (30). Outer holder
Projecting pieces (37) (37) project from both sides of the upper surface of (3), and operation pieces (31) pulled by the user when ejecting the cartridge (6) project further outward from the rear end. On the side of the chassis (1),
A guide groove (18) in which each of the protruding shafts (220) is fitted, and a protruding piece (37)
There is a horizontal groove (19) that fits in. The guide groove (18) integrally includes a horizontal portion (18a) and a vertical portion (18b) extending downward from the front end of the horizontal portion (18a). Also, the outer holder (3)
A spring hooking piece (38) projects from the side surface of the rear end portion.

19 (a) and 19 (b) are side views of the mechanical deck (100). Spring holder (38) of outer holder (3) and chassis
A tension spring (9) is hung between (1) and the outer holder.
(3) is biased in the insertion direction of the cartridge (6). 18 (a) and 18 (b) are plan views of the mechanical deck (100). Figure 1
When the cartridge (6) is inserted into the inner holder (2) from the standby state shown in 8 (a), the cartridge (6) pushes the pushing piece (80) against the tension spring (85), and the kicking lever ( 8) rotates counterclockwise. The notch (86) of the kick lever (8) faces the stopper piece (17) of the chassis (1), and the inner holder (2) can move forward by the depth of the notch (86). Inner holder (2)
A projecting piece (not shown) that fits into the second slit hole (65) of the cartridge (6) is provided inside, and the rear end surface of the second slit hole (65) pushes the projecting piece, as shown in FIG. From the state shown in (a), the protruding shaft (220) of the inner holder (2) slides on the horizontal portion (18a) of the guide groove (18) and pushes the cam groove (30) of the outer holder (3). Inner holder
The protrusion (37) of the outer holder (3) pushed by (2) fits in the horizontal groove (19) and slides horizontally. Even if only the inner holder (2) is pushed in without inserting the cartridge (6), the kicking lever (8) does not rotate and the kicking lever (8) does not move.
The inner holder (2) cannot move forward because it hits the stopper piece (17).

As shown in FIG. 19 (b), the inner holder (2) follows the cam groove (30) of the outer holder (3) after reaching the front end of the horizontal portion (18a) of the guide groove (18). Down to reach the lower end of the vertical portion (18b) of the guide groove (18). The cartridge (6) moves down while pushing the kick lever (8). The holder (2) is fitted with the chassis (1) in a state where the cartridge (6) is housed, and the disc in the cartridge (6) is placed on the turntable (76) to enable recording and reproduction. Tension spring
The outer holder (3) biased forward by (9) is the protruding shaft (220).
The inner holder (2) is urged forward and downward via the disk to urge the disc (60) in the cartridge (6) to the turntable (76). The disc in the cartridge (6) is reproduced by the pickup (75), and the recording is performed by the pickup (75) and the recording head (70). The head lifting mechanism rotates and lowers the head lever (7) only when recording, and
Move 0) to the disk. When ejecting the cartridge (6), the operation piece (31) of the outer holder (3) is pulled toward the front against the tension spring (9) from the state shown in FIG. 19 (b). Cam groove (30) of outer holder (3) and guide groove (18) of chassis (1)
The inner holder (2) rises along with, and the cartridge (6) is pushed by the kicking lever (8) and ejected by the urging force of the tension spring (85).

[0007]

In the conventional apparatus, since the head lever (7) is rotated downward during recording and the head lever (7) is raised during reproduction, the outer holder (3)
A head elevating mechanism for elevating the head lever (7) in a state where the head does not slide is required. The applicant has conceived of such a device by omitting the head elevating mechanism and simplifying the configuration and reducing the number of parts. It is an object of the present invention to omit a head lifting mechanism that drives a head lever in a state where an outer holder does not slide.

[0008]

DISCLOSURE OF THE INVENTION A disc recording apparatus is an inner holder into which a cartridge (6) accommodating a disc (60) is fitted.
(2) Pickup that irradiates the disc with a beam (75)
The chassis (1) equipped with the
The upper surface of (2) is covered with an outer holder (3) that slides along the cartridge insertion direction, and one of the outer holder (3) and the chassis (1) is covered by an outer holder that accompanies the insertion of the cartridge (6). A cam groove (30) is formed to bring the inner holder (2) and the chassis (1) closer to each other as the holder (3) slides. The pickup (75) is rotatably provided in a vertical plane including the cartridge mounting direction, and when the inner holder (2) and the chassis (1) are close to each other, the pickup (75) passes through the inner holder (2) and then the cartridge (75).
A head lever (7) approaching the disk in (6) is urged and attached toward the cartridge (6).
The inner holder (2) is provided with a head drive lever (5) located below the head lever (7) rotatably in the same plane as the head lever (7). The outer holder (3) is a cartridge
It is operated manually when the bag (6) is discharged. The outer holder (3) has
At the standby position where the cartridge (6) is not mounted in the inner holder (2), the convex surface (34) for rotating the head drive lever (5) in the pushing up direction of the head lever (7) is integrally formed, and the cartridge (6) By the sliding of the outer holder (3) accompanying the insertion of, the contact between the convex surface (34) and the head drive lever (5) is released,
The head lever (7) rotates toward the cartridge (6).

[0009]

[Operation and effect] At the standby position where the cartridge (6) is not inserted into the inner holder (2), the head drive lever (5) contacts the convex surface (34) of the outer holder (3) and pushes up the head lever (7). . The head lever (7) is separated from the cartridge (6). When the cartridge (6) is inserted, the outer holder
(3) slides, and the contact between the convex surface (34) and the head drive lever (5) is released. Head lever (7) is cartridge (6)
It turns toward and recording on the disk becomes possible. As described above, when the cartridge (6) is attached to the inner holder (2), the head lever (7) automatically approaches the cartridge (6), and recording on the disk becomes possible. Therefore, unlike the prior art, a mechanism for moving the head lever (7) up and down with the cartridge (6) mounted on the inner holder (2) is not required, and the number of constituent parts can be reduced.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION An example of the present invention will be described in detail below with reference to the drawings. The same configurations as those of the related art will be denoted by the same reference numerals and detailed description thereof will be omitted. Figure 1 Cartridge (6)
FIG. 3 is a perspective view of the cabinet (4). Cartridge (6)
Is the insertion slot for the cabinet (4) with the shutter (61) on the right
(43), the insertion opening (43) inside the insertion opening (43)
The upper end of the rotating panel (42) that closes the shaft is pivotally supported. Figure 2
(a) and (b) are side views showing the positional relationship between the cartridge (6) and the rotating panel (42). As shown in FIG. 2 (b), the cartridge (6) is inside the cabinet (4). When the insertion is completed, the free end of the rotating panel (42) abuts on the rear end of the cartridge (6) to keep the open state. A label with the recorded information name is often attached to the rear end surface of the cartridge (6).
With the (6) inserted in the cabinet (4), the recorded information name can be confirmed.

FIG. 3 shows a mechanical deck (1) located in the cabinet (4) for recording the disk (60) in the cartridge (6).
00) is an exploded perspective view of FIG. The mechanical deck (100) includes an inner holder (2) into which the cartridge (6) is inserted, and an inner holder (2).
(2) It has an outer holder (3) which is slid on the inner holder (2) along the cartridge insertion and ejection direction. Outer holder
(3) and the inner holder (2) overlap the chassis (1), and the chassis (1) has a pin (77) for receiving the bottom surface of the cartridge (6).
(77), pickup (75) and turntable (76) are provided as is well known. In the device according to this example, the inner holder (2) for accommodating the cartridge (6) is described later.
Is fixed to the cabinet (4), and the chassis (1) moves up and down with respect to the inner holder (2).

The chassis (1) has support walls (11) (11) on both sides.
Is erected, and projections (10) and (10) project inward from each support wall (11). The inner holder (2) and outer holder (3) have protrusions (10) (1
Mating with 0). An opening (12) is opened in the chassis (1) from the center to the supporting wall (11) on the right side, and the turntable (7)
The tip of 6) and the pickup (75) are exposed from the opening (12). Notches (13) and (13) and through holes (14) and (14) are provided at each corner of the chassis (1), and the inner holder (2) is provided with notches (13) and (13) as described later. It is attached to the cabinet (4) through the through holes (14) (14). On the lower surface of the pickup (75), attach the recording head (70) to the tip through the bracket (71).
The head lever (7) provided with is attached. The head lever (7) has its base end pivotally supported by the bracket (71) and is urged downward by a torsion spring (not shown).

The outer holder (3) shown in FIG. 3 is formed by bending both edges of a metal plate at a right angle and has cam grooves (30) (30) inclined downward in the cartridge insertion direction on the side surface. , A protrusion (32) projects inward from the front end. The operation piece (31) projects outward from the left side surface of the outer holder (3), and when ejecting the cartridge (6), the operation piece (31) is pulled backward as described later. The base end of the kicking lever (8) is pivotally supported on the upper surface of the left end of the inner holder (2), and the free end of the kicking lever (8) is bent downward to push the pushing piece (80). The pushing piece (80) protrudes into the inner holder (2) through the arcuate hole (22) formed in the inner holder (2) and is pushed by the front end of the cartridge (6). A tension spring (85) is hooked between the kicking lever (8) and the outer holder (3), and the kicking lever (8) is in a standby state where the cartridge (6) is not inserted into the inner holder (2). ) Is pressed against a stopper (33) standing upright from the outer holder (3) by a tension spring (85).

On the upper surface of the inner holder (2), the recording head (70)
A through hole (20) allowing the passage of the through holes is opened, and wall pieces (21) and (21) are erected from the front of the through hole (20). The base end portion of the head drive lever (5) shown in FIG. 3 is attached to the wall pieces (21) (21). 4 is a side sectional view of FIG. 3 viewed from the direction C, and FIG. 5 is a perspective view of the head drive lever (5). As shown in FIG. 5, the head drive lever (5) is provided with pivots (51) and (51) projecting outward from both base ends of the contact plate (50) facing the upper surface of the inner holder (2). The pivots (51) (51) are rotatably fitted in the wall pieces (21) (21). From one side of the contact plate (50), the inner holder
The first contact piece (52) in contact with the upper surface of (2) rises one step from the contact plate (50) from the other side and contacts the outer holder (3).
Each contact piece (53) is protruding. As shown in FIG. 4, on the outer holder (3), the convex surface (3
4) is provided, and when the second contact piece (53) and the convex surface (34) come into contact with each other, the head drive lever (5) is pushed up to rotate and rise. As described above, the head lever (7) is urged downward about the pivotal support with the bracket (71), and the free end of the head lever (7) contacts the contact plate of the head drive lever (5).
Contact (50). In the standby position, as shown in FIG. 13 (b), the head drive lever (5) is raised, and the head drive lever (5) does not prevent the cartridge (6) from entering.

FIG. 6 is a perspective view of the inner holder (2), and FIG. 7 is FIG.
FIG. 8 is a bottom view looking up from below, FIG. 8 is a front view of FIG. 6 viewed from the A direction, and FIG. 9 is a left side view of FIG. 6 viewed from the G direction. In FIG. 7, the alternate long and short dash line indicates the chassis (1). Figure 6
As shown in FIG. 1, the through hole (20) is formed on the upper surface of the inner holder (2).
Besides, an arcuate hole (22) through which the pushing piece (80) of the kicking lever (8) penetrates is provided on the side surface with a vertical hole (23) facing the cam grooves (30) (30) of the outer holder (3). ) (23) and the protrusions (32) of the outer holder (3) are fitted therein, and horizontal holes (24) for guiding the horizontal sliding of the outer holder (3) are provided respectively. When the cartridge (6) is mounted and ejected, the outer holder (3) is attached to the through hole (2) of the inner holder (2).
Do not cover 0). The leg pieces (25) and (25) project downward from the front and rear end portions of the side surface of the inner holder (2), and the lower end portions of the leg pieces (25) are bent outward to form a screw hole ( The mounting plate (26) is formed by opening 26a). The lower edges of both side surfaces of the inner holder (2) are bent inward to form receiving plates (27) and (27) contacting the lower surface of the cartridge (6) as shown in FIG. One receiving plate (27) is provided with a convex portion (28) (28) protruding toward the chassis (1), and the convex portion (28) (28) is a through hole (14) of the chassis (1). Matches (14).

As shown in FIGS. 6 and 8, the inner holder (2)
The center part of the side surface of the cartridge is bent inward, and the cartridge (6)
The lock release piece (29) is formed so as to enter the first slit hole (64). Further, behind the lock release piece (29), a spring piece (66) bent with its apex toward the inner surface of the inner holder (2).
Is provided. As the cartridge (6) shown in FIG. 20 is inserted into the inner holder (2), the unlocking piece (29) enters the first slit hole (64) and unlocks the shutter (61). The unlocking piece (29) pushes the shutter (61) in the opening direction. When the cartridge (6) is pulled out from the inner holder (2), the spring piece (66) fits into the small hole (63) of the shutter (61), and the shutter (66) slides in the discharging direction of the cartridge (6). 6
1) closes. If you pull out the cartridge (6) as it is,
The spring piece (66) and the shutter (61) are disengaged from each other. As shown in FIG. 9, from the front end of the left side surface of the inner holder (2), the insertion piece (20) fitted in the second slit hole (65) of the cartridge (6) is inserted.
0) protrudes inward.

FIG. 10 is a plan view of the mechanical deck (100) in the standby position attached to the cabinet (4), and FIG. 11 is a front view of the mechanical deck (100) of FIG. The kick lever (8) is biased rearward by the tension spring (85), and the pushing piece (80) is in contact with the rear end of the circular arc hole (22) of the inner holder (2). The stopper (33) of the outer holder (3) contacts the kick lever (8), and the forward movement of the outer holder (3) is restricted. In addition, as shown in FIG. 13 (a), the chassis (1)
The protrusion (10) is located at the lower end of the cam groove (30) of the outer holder (3) and is located at the lowest position farthest from the inner holder (2). As shown in FIG. 13 (b), the head drive lever (5) is raised as described above, and the head lever (7) that is in contact with the head drive lever (5) is raised.

FIG. 15 is a side sectional view of the plan view of FIG. 10 viewed from the E direction, and FIG. 16 is a side sectional view of FIG. 10 viewed from the F direction. As shown in FIG. 15, the boss that penetrates the notch (13) of the chassis (1) from below from the cabinet (4).
(41) protrudes, and the inner holder (2) is attached to the mounting plate (26) of the leg piece (25).
Is received by the boss (41). The screw (40) is screwed onto the mounting plate (26) from the lower side of the cabinet (4), and the inner holder (2) is mounted on the cabinet (4). In addition, as shown in FIG. 16, the convex portion (28) of the receiving plate (27) of the inner holder (2) is aligned with the through hole (14) of the chassis (1), and from the lower side of the cabinet (4). The screw (40) is stopped and attached to the cabinet (4). In the device according to this example, the inner holder (2)
Is fixed to the cabinet (4), the chassis (1) is moved up and down, and recording is performed at the position where the chassis (1) has been lifted.

(Insertion of Cartridge) From the standby position shown in FIG. 10, mount the cartridge (6) on the receiving plate (27) of the inner holder (2).
Place it on the cartridge and push it into the inner holder (2).
The front end face of (6) pushes the push piece (80) of the kick lever (8) to rotate the kick lever (8) counterclockwise. The cartridge (6) slides while the second slit hole (65) fits into the insertion piece (200) of the inner holder (2) (see FIG. 9). 12
(a), (b) is a top view which shows the process until a cartridge (6) reaches a mounting position, and a cartridge (6) is shown with a dashed-dotted line. As shown in FIG. 12 (a), when the push-in lever (8) is rotated when the cartridge (6) is completely pushed in,
The contact between the kick lever (8) and the stopper (33) is released. In this state, the cartridge (6) is already locked by the unlocking piece (29).
Shutter (61) is open and the disc is cartridge (6)
Exposed from the upper surface of.

(Recording and reproducing of information) As the kick lever (8) and the stopper (33) are disengaged from each other, the outer holder (3) is pulled by the tension spring (85) as shown in FIG. 12 (b). ) To slide forward. By the forward movement of the outer holder (3), the second contact piece (53) of the head drive lever (5) and the convex surface (34) of the outer holder (3).
And the head drive lever (5) is lowered as shown in FIG. 14 (b), and the head lever is urged downward.
(7) also turns down. Shutter (61) for cartridge (6)
Since the is already open, the recording head (70) can approach the disc. In addition, as shown in FIG.
By the forward movement of the outer holder (3), the chassis (1) in which the protrusion (10) is fitted in the cam groove (30) is given an upward biasing force, and along the vertical hole (23) of the inner holder (2). It rises right above. The thickness of the cartridge (6) is about 5 mm, and in this device, the applicant sets the rising stroke of the chassis (1) to a distance smaller than the thickness of the cartridge (6). The chassis (1) has a protrusion
Stop at the position where (10) reaches the upper end of the cam groove (30). The turntable (76) on the chassis (1) is the cartridge
Since the recording head (70) is fitted to the disk in (6) and the recording head (70) is close to the upper surface of the disk as described above, recording is performed in this state.

Since the outer holder (3) is urged forward by the tension spring (85), the chassis (10) is urged through the protrusion (10).
(1) The upper turntable (76) is pressed and urged against the cartridge (6). This allows the disc (60) and turntable (7
The play of 6) is prevented. Further, as described above, at the cartridge mounting position, the rotating panel (42) shown in FIG. 2 (b).
Is open with its free end in contact with the upper surface of the rear end of the cartridge (6). This allows the user to check the information written on the rear end surface of the cartridge (6).

In this apparatus, when the cartridge (6) is inserted, the recording head (70) descends, but reproduction can be performed if current is not applied to the recording head (70) during reproduction. The applicant proposes to use this device in combination with a digital still camera or the like as a recording device for images and sounds. To eject the cartridge (6), the operating piece (31) of the outer holder (3) is manually pulled out against the tension spring (85) from the cartridge mounted state shown in FIG. 12 (b). The convex surface (34) of the outer holder (3) and the second contact piece (53) of the head drive lever (5) come into contact with each other, and the head lever (7) rises as shown in FIG. 13 (b). From the state shown in FIG. 14 (a), the protrusion (10) of the chassis (1) fitted in the cam groove (30) is urged downward, and the chassis (1) moves downward along the vertical hole (23). To do. The turntable (76) and the cartridge (6) are disengaged.

When the outer holder (3) is further pulled out, as shown in FIG.
As shown in 2 (a), the stopper (33) is attached to the kick lever (8).
The kick lever (8) is rotated in the clockwise direction by the tension spring (85) after escaping from the rotation transition path of (4). The pushing piece (80) of the kicking lever (8) ejects the cartridge (6) by the urging force of the tension spring (85). The pushing piece (80) comes into contact with the end face of the arc hole (22), and the rotation of the kick lever (8) stops. In the mechanical deck (100) of this device, when the cartridge (6) is attached to the inner holder (2), the head lever (7) automatically approaches the cartridge (6) to enable recording on the disc. Become. Therefore, unlike the prior art, a mechanism for moving the head lever (7) up and down with the cartridge (6) mounted on the inner holder (2) is not required, and the number of constituent parts can be reduced.

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 limiting the scope. The configuration of each part of the present invention is not limited to the above-mentioned embodiment, and it goes without saying that various modifications can be made within the technical scope described in the claims.

[Brief description of drawings]

FIG. 1 is a perspective view of a cartridge and a cabinet.

FIG. 2 is a side view showing a positional relationship between a cartridge and a rotating panel, (a) showing a standby position and (b) showing a cartridge mounting position.

FIG. 3 is an exploded perspective view of a mechanical deck.

FIG. 4 is a cross-sectional side view of FIG. 3 viewed from the direction C.

FIG. 5 is a perspective view of a head drive lever.

FIG. 6 is a perspective view of an inner holder.

FIG. 7 is a bottom view of the inner holder of FIG.

FIG. 8 is a view of the inner holder of FIG. 6 viewed from the direction A.

9 is a side view of the inner holder of FIG. 6 viewed from the G direction.

FIG. 10 is a plan view of the mechanical deck in a standby position.

11 is a view of the mechanical deck of FIG. 10 viewed from the B direction.

FIG. 12 is a plan view showing how a cartridge is inserted into a mechanical deck.

13A and 13B are side views of the mechanical deck in a standby position, where FIG. 13A shows the positional relationship between the inner holder and the outer holder, and FIG. 13B shows the positional relationship between the head drive lever and the head lever.

FIG. 14 is a side view of the mechanical deck at a cartridge mounting position, where (a) shows a positional relationship between the inner holder and the outer holder, and (b) shows a positional relationship between the head drive lever and the head lever.

15 is a side sectional view of FIG. 10 viewed from the direction E. FIG.

16 is a side sectional view of FIG. 10 viewed from the F direction.

FIG. 17 is an exploded perspective view of a conventional disc recording / reproducing apparatus.

18A is a plan view of the mechanical deck in a standby position, and FIG. 18B is a plan view of the mechanical deck in the same mounting position.

FIG. 19A is a side view of the mechanical deck in a standby position, and FIG. 19B is a plan view of the mechanical deck in the same mounting position.

FIG. 20A is a perspective view of a cartridge, and FIG. 20B is a perspective view of FIG.
It is the side view seen from the direction.

[Explanation of symbols]

(1) Chassis (2) Inner holder (3) Outer holder (5) Head drive lever (6) Cartridge (7) Head lever (30) Cam groove (61) Shutter (75) Pickup

Claims (2)

(57) [Claims] 1. A cartridge containing a disk (60).
A chassis (1) equipped with a pickup (75) for irradiating a beam onto a disc is provided in an inner holder (2) into which (6) fits so that the chassis (1) can be moved toward and away from the inner holder (2) in the cartridge insertion direction. The outer holder (3) that slides along the
Cartridge on either (3) or chassis (1)
As the outer holder (3) slides with the insertion of (6), the inner holder
A cam groove (30) for bringing the (2) and the chassis (1) close to each other is formed, and the pickup (75) is rotatably provided in a vertical plane including the cartridge mounting direction, and is connected to the inner holder (2). With the chassis (1) approaching, the head lever (7) approaching the disk in the cartridge (6) through the inner holder (2) is urged toward the cartridge (6) and attached. The inner holder (2) has a lower side of the head lever (7).
Head drive lever (5) located at
In a disk recording device that is rotatable in the same plane , the outer holder (3) is manually operated when ejecting the cartridge (6).
The outer holder (3) has a convex surface (34) for rotating the head drive lever (5) in the pushing-up direction of the head lever (7) at the standby position where the cartridge (6) is not mounted on the inner holder (2). Is one
When the outer holder (3) formed on the body is slid along with the insertion of the cartridge (6), the contact between the convex surface (34) and the head drive lever (5) is released, and the head lever (7) becomes the cartridge.
A disk recording device characterized by rotating toward (6). 2. The cartridge (6) is provided with a shutter (61) for switching the opening and closing of the disc,
The disc recording apparatus according to claim 1, wherein the shutter (61) is in a completely opened state when the (6) is attached to the inner holder (2).