JPH0624035Y2 - Cartridge loading device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION "Industrial field of application" The present invention relates to a player in which a recording disk such as a compact disk is built in a cartridge, and a turntable to which the disk is mounted and a pickup for reading and recording above are provided. The cartridge loading device.

"Prior Art" Conventionally, there has been a technology of moving a cartridge supported by a cartridge holder in and out by a slider to move a disk of the cartridge to a drive position or an eject position.

[Problems to be Solved by the Invention] In the above-mentioned related art, since the shutter opener for opening the shutter of the cartridge is returned by the coil spring, the restoring force of the coil spring becomes maximum when the cartridge is mounted, and the restoring force of the coil spring is increased. There was a functional problem such as acting as an ejecting force.

[Means for Solving Problems] Accordingly, the present invention relates to a loading device for a cartridge including a shutter opener that opens a shutter of a cartridge in association with a mounting operation of the cartridge. The spring and the spring are stretched substantially parallel to each other in the direction orthogonal to the cartridge loading / unloading direction.

[Operation] Therefore, the spring restoring force acting on the shutter opener can be reduced even when the cartridge is mounted, and the loading load of the cartridge including the shutter opening operation of the shutter opener can be easily reduced. And the loading function can be easily improved.

[Example] Hereinafter, an example of the present invention will be described in detail with reference to the drawings. First
FIG. 5 is a plan view, FIGS. 2 and 3 are side views, FIG. 4 is a bottom view, FIG. 5 is a plan view of the cartridge, FIG. 6 is an enlarged plan view, and as shown in FIG. Box type cartridge
(1) An upper lid (2) is provided on the upper surface so that it can be opened and closed, and a compact disc (3), which is a record carrier for recording information, is attached to a cartridge (1).
The chuck plate (4), which is built in the disk, and is brought into contact with the upper surface of the disk (3), is loosely fitted and supported by the upper lid (2). Further, a shutter (6) for opening and closing the opening (5) on the lower surface of the cartridge (1) is provided, the shutter (6) is slidably attached to the cartridge (1), and the drawing hole (7) and the front and back reverse prevention arc are provided. The part (8) is formed on the side surface of the front end of the cartridge (1), and the reference hole (9) is formed on the lower surface of the rear end of the cartridge (1).

Further, as shown in FIGS. 1 to 4 and 20, a solid chassis (10) and a movable chassis (11) are provided, and a cushion rubber (12), a connecting plate (13) and a pivot screw (14). ) Etc., the movable chassis (11) is swingably attached to the fixed chassis (10), and the fixed chassis (10) is installed inside the square box-shaped outer case (16) where the front plate (15) is provided. To do.

Further, as shown in FIGS. 6 and 7, the movable chassis (1
Left and right guide bodies (17) (18) are erected on both upper surfaces of (1), and front and rear guide grooves (19) (20) long in the front-rear direction are provided in each guide body (17) (18).
And the guide-shaped sliders (21) are slidably and vertically slidably inserted between the left and right guide bodies (17) and (18) when viewed from the entrance and exit directions of the cartridge (1), and the front and rear lock shafts (22) One end of (23) is fixed to the outside of the vertical portion on both sides of the slider (21), and the slider (21) for inserting and removing the cartridge (1)
The lock shaft (22) (23), which is a lock body, is provided in the lock shaft (22) (23) while the cartridge (1) is ejected.
Fix the vertical movement control groove (24) (25) that engages the chassis (10)
It is provided on the upright wall (26).

Then, the middle of the lock shaft (22) (23) is guided in the guide groove (19) (20).
It is slidably penetrated to the lock shaft (22) (23)
Insert the tip into the restriction groove (24) (25) and lock shaft (2
2) Adjust the vertical movement restricting parts (27) and (27) with the same width as the (23) diameter,
(24) (25) While forming on the front end part, the rear end side of the regulation groove (24) (25) was formed to be wider than the guide grooves (19) (20) and in a substantially similar shape, and the cartridge (1) was taken out. At this time, the lock shafts (22) and (23) are fitted to the vertical movement restricting portions (27) and (27) to prevent the slider (21) and the movable chassis (11) from moving up and down, and the slider (21) and the movable chassis (21). The (11) is configured to be fixedly supported by the fixed chassis (10).

Further, a cartridge holder (28) for slidably inserting the cartridge (1) is provided, and the holder (28) is slidably and vertically slidably fitted on the slider (21).
One ends of the front and rear guide shafts (29) and (30) are fixed to both sides of the holder (28), respectively, and the guide shaft (29) is inserted into the front and rear descending grooves (31) and (31) formed in the slider (21) as shown in FIG. Insert the middle of (30),
The other ends of the guide shafts (29) and (30) are slidably engaged with the front and rear guide grooves (19) and (20) of the guide bodies (17) and (18). Then, the vertical portions on both sides of the slider (21) and both sides of the cartridge holder (28) are slid on the left and right guide bodies (17) and (18) by the lock shafts (22) and (23) and the guide shafts (29) and (30). It is attached freely.

Further, as shown in FIGS. 8 to 13, the long horizontal portion (3
2), the inclined part (33), the short horizontal part (34), and the straight descending part (35) are continuously formed in the guide grooves (19) (20), and the guide shaft (29)
Guide the (30) downward with the straight descending section (35) to guide the cartridge holder.
(28) is lowered almost right below the insertion end. When the cartridge (1) is manually inserted into the holder (28) in the state shown in FIG. 8, the guide shafts (29) and (30) move to the short horizontal part ( 34) The slider (21) and the holder (28) slide integrally to the state shown in FIG. 10 until the end, and only the slider (21) further slides, so that the holder (28) as shown in FIG. ) Descends substantially right below, and the slider (21) descends by the descending step of the inclined portion (33) as shown in FIG.

Further, as shown in FIG. 6, the guide shaft (29) (30) having the base end side fixed to the cartridge holder (28) is attached to the guide body (17).
(18) A disc spring disk member (29a) that is a bulge member that extends outward and slides on the outer surface of the guide body (17) (18).
(39a) is fixed to the tip of the left guide shaft (29) (30), and the mounting distance between the left guide body (17) and the cartridge holder (28) is set to be approximately the same as the plate thickness of the slider (21). While doing
The mounting space (l) between the guide body (18) on the right side and the cartridge holder (28) is made larger than the thickness of the slider (21) .The slider (21) and the cartridge holder (28)
The left guide shaft (29) (30) supporting the left side of the disk is provided with the disk body (29a) (39a) that is a bulge member, and the disk body (29a)
The (39a) and the guide shafts (29) and (30) are configured to restrict the lateral movement of the slider (21).

Further, as shown in FIG. 6, the cartridge (1) is provided with a retracting boss (36) which is a retractable body which is engageably and disengageably locked.
The boss (36) is attached to one side of the cartridge holder (28) so that the boss (36) can freely move in and out, a leaf spring (38) is provided in the spring chamber (37) of the left guide body (17), and a spring (38) is provided by a fixed shaft (39). ) Fixed one end,
The other end of the spring (38) is brought into pressure contact with the boss (36) to hold the boss (36) projecting inside one side surface of the holder (28).

Then, manually insert the cartridge (1) into the holder (28),
When the front end of the cartridge (1) is brought into contact with the push-in stopper (40) integrally formed with the holder (28), the boss (36) hits the side surface of the cartridge (1) and resists the spring (38), and the holder (28). The boss (36) is retracted toward the outside, and the spring (38) causes the boss (36) to project inside the holder (28) to be inserted into the drawing hole (7) of the cartridge (1) and the insertion operation (sliding) of the cartridge holder (28). Movement of the boss (36) away from the spring (38), the boss (36) abuts the guide surface of the slider (21) inside the guide body (17), and the boss (36) abuts the guide body (17). It is configured to prevent the (36) from retreating toward the outside of the holder (28) and maintain the engagement with the cartridge (1).

Further, as shown in FIGS. 1, 6, and 14 to 16, a drive frame (41) is fixedly mounted on the movable chassis (11), and a slider (21) and a cartridge holder (28) are inserted. And an exit / entry motor (42) to be withdrawn and attached to the frame (41), and a worm (43) is provided on the output shaft (42a) of the motor (42),
A worm wheel (44) is constantly meshed with the worm (43), a reduction gear (45) is provided integrally with the wheel (44), and is supported by a fixed shaft (46) of the frame (41). The drive gear (47) is always meshed with (45), and the drive gear (47) is provided with a pinion gear (48) for reversibly connecting at a fixed angle, and the gears (47) and (48) are coaxially arranged. Fixed axis of frame (41)
A rack gear (50) which is pivotally supported by (49) and is fixed to the pinion gear (48) is fixed to the slider (21), and the cartridge holder (28) is inserted into or withdrawn from the set position. It constitutes (51).

Then, as shown in FIG. 15, the stopper of the pinion gear (48)
A boss (53) that abuts (52) is provided on the drive gear (47), and a return spring (54) is stretched between the drive gear (47) and the pinion gear (48), and the force of the spring (54) is increased. Supports the stopper (52) away from the boss (53) by the rack gear (5
(0) starts to mesh with the pinion gear (48), the drive gear (4
7) Pinion gear against the return spring (54)
(48) is constructed so as to idle by a certain angle.

The return spring (54) allows the cartridge to pass through the double-structured gears (47) and (48) that elastically rotate in one direction.
The cartridge (1) loading motor (42) is connected to the rack gear (50) of the slider (21) that moves the (1) in and out, and the elastic rotational force of the double gears (47) and (48) is applied to the slider (2).
It acts in the ejecting direction of 1), and when the rotation of the motor (42) is transmitted to the rack gear (50) and the slider (21) is ejected, the return spring after the motor (42) has stopped. (54) force rotates the drive gear (47),
The rack gear (50) is configured to be reliably separated from the drive gear (47).

In addition to providing a switch (55) on the frame (41),
An operating rib (50a) is integrally formed on the rack gear (50), and the pinion gear (48) idles by the inserting operation of the slider (21) so that the rack gear (50) meshes with the gear (48), and then the rib The switch (55) is turned on by (50a), the motor (42) is actuated to drive the pinion gear (48), and the automatic pull-in operation of inserting the slider (21) is performed.

Further, as shown in FIG. 17, a stop switch (56) for stopping the operation of the motor (42) for inserting the slider (21) through the rack gear (50) is provided, and the switch (56) is provided for the movable chassis (11). ) An interlocking gear (47a) integrally formed with the drive gear (47) and a fan-shaped switchgear (47b) meshing with the interlocking gear (47a) are provided while being fixed to the lower surface side. 47b) is supported by the fixed shaft (46) as an idle shaft, and when the slider (21) is completely inserted, the switchgear (47b)
The stop switch (56) is operated by means of this to control the stop of the motor (42), and a switch gear (47b) is provided coaxially with the worm wheel (44) which is a gear for obtaining the loading force of the cartridge (1), The switch (56) for controlling the cartridge (1) loading motor (42) is connected to the switch gear (4
It is configured to switch by 7b).

"Explanation of the essential configuration of the present invention" Further, as shown in FIGS. 1 and 6, the shutter of the cartridge (1) is interlocked with the mounting operation of the cartridge (1).
While having a shutter opener (58) to open (6),
When the cartridge (1) is installed, the spring (57) stretched in parallel with the shutter opener (58) is attached to the shutter opener.
When the cartridge (1) is installed, the shutter opener (58) is acted on by the spring (57) as the rotational force in the ejected state of FIG. ) And the spring (57) are substantially parallel to each other, so that the shutter opener (58) exerts the spring (57) force as a rotational force to the smallest.

Further, one end of the opener (58) is swingably supported by the drive frame (41) through a support shaft (59), and a guide pin (60) is provided at the other end of the opener (58),
(1) The guide pin (60) of the opener (58) is brought into contact with the holder (28) in order to prevent the cartridge holder (28) from being inserted by the protruding action of the opener (58) in the taken-out state. (2
8) Opener (58) by cartridge (1) to be inserted into
The shutter opening arm (61) is formed at the end of the opener (58) provided with the guide pin (60) and the holder (28) is inserted into the holder (28). The arm (61) is brought into contact with one end of the shutter (6) in (1), and the shutter (6) is opened by swinging the opener (58).

Also, a long hole into which the guide pin (60) is slidably engaged.
(62) is opened in the cartridge holder (28), and the insertion-preventing arc portion (6) that forms a part of the circumference around the fulcrum shaft (59) is formed.
3) and the shutter opening linear portion (64) are formed in the elongated hole (62), and the guide pin (60) is formed by inserting the cartridge (1).
The cartridge holder (28) is fixedly supported by the support of the opener (58) when the carriage is moving in the arc portion (63), and the retracting boss (28) is inserted into the retracting hole (7) of the cartridge (1). 36), the guide pin (60) moves from the arc (63) to the straight part.
(64), and the holder (28) is configured to start insertion.

"End of Description of the Main Configuration of the Present Invention" Furthermore, as shown in FIGS. 1, 4, 18, and 19, a turntable (65) on which the disk (3) is placed is provided, and a motor (66) is provided. ), Turntable (65) is fixed to the output shaft (67), and movable chassis (11)
The motor (66) is fixed to the reproducing section chassis (68) fixed to the. On the other hand, a leather pickup (69) for reading the information of the disc (3) is fixed to the pickup holder (70),
The frame (70) is slidably supported by the reproducing section chassis (68) via the guide rails (71) (71), and the holder is
Pickup drive linear motor (7
2) (73) is attached to the playback unit chassis (68).

Also, as shown in FIGS. 18 and 19, the disk (3)
Attaching the chucking magnet (74) that fixes and supports the
(75) It is fixed on the upper surface and the central hole (76) of the disc (3)
A centering ring (77) that is detachably engaged with the base (75).
Of the supporting leg (78) is fixed to the turntable (65) by inserting it loosely into the hole (79) of the turntable (65) and the mounting base.
A ring (77) is provided between (75) so that it can be raised and lowered.

Then, the center hole (81) of the centering ring (77) is slidably fitted to the upper end of the rotary shaft (67) for fixing the turntable (65) by the screw (80) only in the axial direction, A fitting spring (82) is provided to lift and support the centering ring in a freely descending manner.The magnetic plate (8) is attached to the chuck plate (4) provided in the cartridge (1).
When the cartridge (1) inserted in the cartridge holder (28) is moved to the set position of the turntable (65), the chuck plate is attracted by the magnetic force of the magnet (74).
(4) is fixed to the upper surface of the turntable (65) by suction, and the center runout of the disc (3) is corrected by raising and lowering the centering ring (77). The ring (77) is engaged and the disc (3) is sandwiched between the turntable (65) and the chuck plate (4).

Further, as shown in FIG. 1, the holder springs (84) and (84) are provided on the cartridge holder (28), and the cartridge (1) to be inserted into the holder (28) is attached to the bottom receiving surface (85) (85) of the holder (28). As shown in Fig. 6, the reference pillars (86) and (86) are erected on the upper surface of the movable chassis (11) and the disc is mounted on the turntable (65).
When the holder (28) is lowered to mount (3), insert the reference pillars (86) (86) into the reference holes (9) (9) on the bottom surface of the cartridge (1) and set the cartridge (1) at the set position. It is configured to hold.

Further, as shown in FIGS. 1, 4, and 6, a forward / backward movement preventing lever (88) is swingably provided on the movable chassis (11) via a fulcrum shaft (87), and a fixed chassis (10) is provided. The front-rear movement blocking notch (90) that is detachably engaged with the fixed shaft (89) of the lever (8)
8) and the pin (92) of the operation arm (91) integrally formed with the slider (21) is connected to the cam groove (9) of the lever (88).
3), and with the cartridge (1) taken out, engage the notch (90) with the fixed shaft (88) to prevent the movable chassis (11) from moving back and forth, while inserting the cartridge (1). Then, when the slider (21) is inserted, the lever (88) is swung in conjunction with the insertion operation to move the notch (90) from the fixed shaft (89).
Is configured to be released.

In addition, the movable chassis (11) is provided with a stop switch (95) via the mounting frame (94), and the operating piece (96) is integrally formed with the operating arm (91) of the slider (21) to form the slider (21). The stop switch (95) is turned off by the operation piece (96) at the end of insertion of the cartridge. Like the switch (56) in FIG. 17, the motor (42) is stopped to end the cartridge (1) mounting operation. It is configured to do. The stop switch (95) can be omitted and the motor (42) can be stopped only by the switch (56) shown in FIG.

Also, as shown in FIG. 4, the leather pickup (69)
Is equipped with a pickup lock lever (97) that locks the
(11) The middle of the lever (97) is swingably supported on the lower surface side through a fulcrum shaft (98), and a pin (99) and an elongated hole (100) are provided.
Through the lock lever (97) to the forward / backward movement preventing lever (88)
Of the pickup holder (70).
Lock lever (97) operation and lock lever (97) that locks engagement piece (102) at the other end of lock lever (97) to (1) to disengageably stop and disengage notch (90) from fixed shaft (89). Are linked, and the ridge (10
The engaging piece (102) is separated from the (1) so that the pickup (69) can be operated.

Further, as shown in FIG. 20, the entrance (15a) of the front plate (15)
A door (103) that can be opened and closed is provided on the cartridge holder (28) when the cartridge (1) is inserted.
The door (103) is brought into contact with the top, and the cartridge (1) is inserted into the holder (28) .The door (103) is provided on the cartridge (1) inlet / outlet side of the cartridge holder (28) and the cartridge (1) is provided. The door (103) that opens by inserting (1) is brought into contact with the cartridge holder (28), and the insertion end of the cartridge (1) is guided by the door (103) into the inside of the cartridge holder (28) opening. It is configured to prevent the insertion end from coming into contact with and damaging the cartridge holder (28) and the like.

Further, the cushion rubber (12) provided between the fixed chassis (10) and the movable chassis (11) has a built-in vibration damping spring (105) in the hollow part, and guide grooves (19) of the guide bodies (17) and (18). Even if the upper surface of the cartridge holder (28) is brought close to the upper surface of the outer case (16) while the movable chassis (11) is fixed, the movable chassis (11) does not move due to the descending step of the inclined portion (33) formed on the (20). In the idle state,
A large gap can be formed between the outer case (16) and the upper surface of the holder (28), so that the vertical swing amount of the movable chassis (11) supported by the anti-vibration spring (105) can be set large, and the outer case ( 16) is configured so that it can be formed low.

As shown in FIG. 1, the front plate (15) is provided with an eject switch (106) and an eject button (107).
By operating the eject button (107) with the cartridge (1) attached, the loading / unloading motor (42) reverses to move the cartridge holder (28) to the removal position, and the cartridge (1) It is configured to perform a take-out operation.

Further, as shown in FIG. 6 and FIG. 21, the reverse insertion prevention stopper (109) is swingably provided on the bottom receiving surface (85) of the cartridge holder (28) via the support shaft (108), and At the insertion position of (1), use the spring (110) to
When the cartridge (1) is inserted in a normal position with the front side facing up, the stopper (109) is moved out of the insertion path by the front and back reverse prevention arc part (8) of the cartridge (1). When retracting and inserting the cartridge (1) further, while inserting the cartridge (1) with the back side facing up,
A stopper (109) engages with the front end of the cartridge (1) to prevent the cartridge (1) from being inserted.

"Explanation of the operation of the embodiment including the operation of the main part of the present invention" This embodiment is configured as described above, and is shown in Figs.
Cartridge (1) of FIG. 5 in the state shown in FIGS.
Is pushed into the cartridge holder (28) by opening the door (103) from the entrance (15a) of the front plate (15). And holder (28)
When the cartridge (1) is pressed downward by the presser spring (84) in the inside and the cartridge (1) is in the normal posture,
As shown in FIG. 21, the stopper (109) is retracted out of the insertion path by the arc portion (8) on the front surface of the cartridge (1), and the cartridge (1) is further inserted.

Further, as shown in FIG. 22, the opening arm (61) of the shutter opener (58) is released by inserting the cartridge (1).
(6) is engaged and the shutter (6) is opened to open the opener (58).
Rock. At this time, since the guide pin (60) moves in the arcuate portion (63) of the elongated hole (62), the cartridge holder (28) is stopped at the take-out position by the supporting action of the opener (58).

In addition, the tip of the cartridge (1) should be attached to the stopper (4
0) and the retracting boss (36) engages with the retracting hole (7) of the cartridge (1).

Insert the cartridge (1) and the guide pin
(60) moves in the straight part (64) of the long hole (62),
The cartridge holder (28) and slider so that (36) abuts the guide body (17) to block the distance from the lead-in hole (7) and mesh the pinion gear (48) with the rack gear (50).
(21) is inserted integrally with the cartridge (1).

Then, in the state shown in FIGS. 9 and 23, the switch (55) is turned on by the rib (50a) of the rack gear (50), and the motor (4
Rotate 2) to drive the rack gear (50) in the inserting direction.
At this time, even if a force is applied to the cartridge (1) from the outside by hand, the boss (36) is engaged with the cartridge (1), so that the cartridge (1) can be prevented from being pulled out.

Further, the motor (42) is used to control the slider (21) and the holder.
(28) is automatically pulled in, and as shown in Fig. 9, the guide shaft (29)
As (30) reaches the inclined portions (33) (33) of the guide grooves (19) (20), as shown in FIG. 23, the shutter is made larger than the diameter of the centering ring (77) of the turntable (65). (6) is opened by the opener (58).

Further, the inserting operation of the cartridge holder (28) is continuously performed, and the guide shafts (29) and (30) are guided into the guide groove as shown in FIG.
(19) By reaching the straight descending part (35) of the (20), as shown in FIG. 24, the guide pin (60) of the opener (58) forms the straight part of the long hole (62) formed in the holder (28). (64) It moves to the end side,
The opener (58) and the spring (57) are extended and supported substantially parallel to the moving direction of the shutter (6), and although the pulling force of the spring (57) is maximized, the spring (5) that acts on the opener (58) is
7) is the smallest.

Further, since only the slider (21) slides further in the state of FIG. 10, the guide shaft (see FIG. 11 and FIG. 12) is guided by the guide of the descending grooves (31) and (31) of the slider (21). 29) and (30) descend the straight descending portion (35) of the guide shafts (19) and (20) to lower the cartridge (1). As shown in FIG.
(3) descends on the turntable (65), the chuck plate (4) is attracted to the turntable (65) by the magnet (74), and the disc (3) is attracted by the turntable (65) and the chuck plate (4).
To pinch.

Further, as the slider (21) slides, the forward / backward movement preventing lever (88) is swung, and the notch (90) of the lever (88) is fixed to the fixed shaft (89) as shown in FIGS. 25 and 26. To support the movable chassis (11) in a swingable manner.
As shown in Fig. 3, support the lock shafts (22) and (23) by the short horizontal parts (34) and (34) of the guide grooves (19) and (20), and lower the support height of the slider (21). By increasing the distance from the top of the case (16), you can set a large amount of vertical vibration of the movable chassis (11),
Moreover, the vertical width of the outer case (16) can be reduced.

When the cartridge (1) is inserted as shown in FIG. 25, the stop switch (56) is actuated by the switch gear (47b) shown in FIG. 17 to stop the motor (42) and the cartridge (1). Complete the mounting operation.

Further, when the blocking lever (88) is disengaged from the fixed shaft (89), the lock lever (97) swings in conjunction with the blocking lever (88) as shown in FIG. 26, and the lock lever (97) engages. Chip (102)
Separates from the ridges (101) of the pickup holder (70) to allow the pickup (69) to move. In the state shown in FIG. 25, the disc (3) can be driven and information can be read by the pickup (69). Done.

Further, by pressing the eject button (107), the pickup (69) comes closest to the turntable (65) and stops, and the input / output motor (42) rotates in the reverse direction to move the rack gear (5).
0) is driven to exit, and conversely to the above, each lever (88) (9
Movable chassis (11) and pickup holder (7)
0) is fixed, the cartridge holder (28) rises as the slider (21) exits, and the disc (3) turns into a turntable.
(65) The slider (21) and the disc holder (28) are integrally retracted as they are lifted up, and the pinion gear (4
The rack gear (50) is disengaged from (8), the opener (58) is returned by the spring (57), the disc holder (28) is moved to the eject position, and the cartridge (1) is moved from the inlet (15a) of the front plate (15). ) Is discharged to return to the state of FIG.

"Effects of the Invention" As is apparent from the above embodiments, the present invention is a cartridge.
The shutter of the cartridge (1) is linked with the mounting operation of (1).
In a cartridge loading device having a shutter opener (58) for opening (6), the shutter opener (58) and its return spring (57) are arranged substantially in a direction orthogonal to the cartridge (1) loading / unloading direction at the end of cartridge mounting. It is stretched in parallel, and the spring (5) that acts on the shutter opener (58) even with the cartridge (1) installed
7) The resetting force can be reduced and the shutter opener (5
The loading load of the cartridge (1) including the opening operation of the shutter (6) of 8) can be easily reduced, and the loading and unloading of the cartridge (1) and the opening and closing of the shutter (6) can be reliably performed with a low load. It has a remarkable effect that the function can be easily improved.

[Brief description of drawings]

FIG. 1 is a plan view showing an embodiment of the present invention, FIG. 2 and FIG.
The figure is a side view, FIG. 4 is a bottom view, FIG. 5 is a plan view of the cartridge, FIG. 6 is an enlarged explanatory view of FIG. 1, FIG. 7 is an exploded side view, and FIGS. Explanatory drawing, FIGS. 14 to 16 are explanatory views of the access mechanism, FIGS. 14 to 17 are explanatory views of the access mechanism, FIG. 18 is an explanatory view of a turntable, FIG. 19 is a sectional front view, 20 to 26 are explanatory views of the cartridge mounting operation. (1) …… Cartridge (6) …… Shutter (57) …… Spring (58) …… Shutter opener

Claims (1)

[Scope of utility model registration request] 1. A loading device for a cartridge, comprising a shutter opener (58) for opening a shutter (6) of the cartridge (1) in conjunction with the mounting operation of the cartridge (1), wherein the shutter opener is at the end of the mounting of the cartridge.
A cartridge loading device characterized in that (58) and its return spring (57) are stretched substantially parallel to each other in a direction perpendicular to the cartridge (1) loading / unloading direction.