JPH0624037Y2 - Record carrier loading device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION "Industrial field of application" The present invention provides a compact disc, which is a record carrier, in a cartridge, and a player equipped with a turntable for mounting the disc and a laser pickup for reading information. The present invention relates to a record carrier mounting device for loading and unloading a cartridge.

"Prior Art" Conventionally, as shown in Japanese Patent Laid-Open No. 60-74145, a leaf spring is made to project inward from the side wall of a cartridge holder, and the leaf spring is engaged in a locking groove on the side surface of the cartridge when the cartridge is inserted. There has been a technique for engaging a cartridge with a cartridge holder.

[Problems to be solved by the invention] In the conventional technology, when the engaging force between the cartridge holder and the cartridge is increased, the cartridge cannot be inserted / removed with a light force, and when the cartridge is inserted / removed with a light force, There has been a problem that the engagement force of the cartridge becomes low and it is difficult to properly engage the cartridge holder and the cartridge.

[Means for Solving the Problems] However, according to the present invention, the left and right guide bodies are erected and fixed on the upper surfaces of both sides of the chassis, the sliders are arranged inside the left and right guide bodies, and the sliders are protruded and fixed on the outer surface of the side wall of the slider. Insert the shaft into the groove formed in the left and right guide bodies, slidably support the slider on the left and right guide bodies, arrange the cartridge holder inside the slider, and mount the shaft that protrudes and fixes on the outer surface of the side wall of the cartridge holder. Insert it into the guide groove formed on the left and right guide bodies through the descending groove formed on the side wall of
The left and right guides slidably support the cartridge holder together with the slider, the cartridge containing the record carrier is inserted into the cartridge holder, and the cartridge insertion end is brought into contact with the stopper integrally formed with the cartridge holder. In a record carrier mounting device in which a cartridge holder is slid together with a slider by pushing a cartridge, a middle portion of a guide body on one side is partially bulged outward to form a leaf spring between the guide body and a side wall of the slider. A spring chamber is provided, and a boss is placed in the hole of the slider and the cartridge holder that connects one end side of the spring chamber to the inside of the cartridge holder.When the cartridge is not inserted in the cartridge holder, one end serves as a guide body. The tip of the leaf spring to be fixed is crimped to the outer end of the boss and integrated with the outer periphery of the outer end of the boss. When the cartridge is inserted into the cartridge holder and the insertion end of the cartridge touches the stopper, the retaining flange that is formed is brought into contact with the outside of the side wall of the cartridge holder to hold the tip of the boss protruding inside the cartridge holder. , The boss on the side of the cartridge is retracted to the outside of the cartridge holder against the leaf spring, and when the insertion end of the cartridge hits the stopper, a hole corresponding to the boss is formed on the side of the cartridge and the boss is inserted into the hole. When the leaf spring is disengaged from the boss due to the sliding of the cartridge holder and the slider, the guide body prevents the backward disengagement of the boss from the hole.

[Operation] Therefore, when the cartridge is not inserted in the cartridge holder, a leaf spring having a spring force sufficient to hold the boss protruding is sufficient. Therefore, the insertion and removal of the cartridge with respect to the cartridge holder can be performed with a light force. When sliding is started and the cartridge holder and the cartridge actually need to be engaged, the fixed guide body, not the leaf spring, prevents the boss from retracting and separating, so that the cartridge holder can be securely engaged with the cartridge. It is possible to obtain contradictory effects such as reduction of the insertion / removal force of the cartridge with respect to the cartridge holder and improvement of the engagement force between the cartridge holder and the cartridge.

[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 fixed chassis (10) and a movable chassis (11) are provided,
The movable chassis (11) is swingably attached to the fixed chassis (10) via the cushion rubber (12), the connecting plate (13), the pivot screw (14), etc., and the front plate (15) is a square. The fixed chassis (10) is installed inside the box-shaped outer case (16).

Further, as shown in FIGS. 6 and 7, the movable chassis (1
Left and right guide plates (17) (18) are erected on both upper surfaces of (1), and front and rear guide grooves (19) (20) that are long in the front-rear direction are provided in each guide body (17) (18).
And slide the gate-shaped slider (21) between the left and right guide bodies (17) and (18) so that it can slide and move up and down, and integrate the front and rear roller shafts (22) and (23) into the slider. (21) Fix each on both sides, and insert the roller shafts (22, 23) in the middle of the guide groove (1
9) (20) is slidably fitted and inserted into the roller shaft (22) (2
The vertical movement prevention rollers (24) and (25) are pivotally supported on the other end of (3).

Then, between the upper rail (26) formed by bending the upper end of the fixed chassis (10) and the lower rails (27) fixed on both inner surfaces of the chassis (10), the rollers (24) (25 ) Is slidably engaged, and the movable chassis (11) is prevented from moving up and down by the engagement of the rollers (24) (25) and the rails (26) (27).

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, as shown in FIGS. 8 to 13, the long horizontal portion (32), the inclined portion (33), the short horizontal portion (34), and the straight descending portion (35) are provided in the guide groove.
The guide shafts (29) and (30) are continuously formed on (19) and (20), and the guide shafts (29) and (30) are guided downward by the straight descending portion (35) to lower the cartridge holder (28) substantially right below the insertion end. By manually inserting the cartridge (1) into the holder (28) in the state of FIG. 8, the guide shafts (29) and (30) reach the end of the short horizontal portion (34).
The slider (21) and the holder (28) slide integrally to the state shown in FIG. 0, and only the slider (21) further slides, so that the holder (28) descends almost directly below as shown in FIG. Then
As shown in FIG. 13, the slider (2
1) is configured to descend.

Further, as shown in FIG. 6, the cartridge (1) is provided with a retracting boss (36) that is detachably locked, and the boss (36) is attached to one side of the cartridge holder (28) so as to be able to move in and out. Provide a leaf spring (38) in the spring chamber (37) of the guide body (17),
One end of the spring (38) is fixed by the fixed shaft (39), and the other end of the spring (38) is brought into pressure contact with the boss (36) so that the boss (36) having a flange for preventing slipping out of the holder (28). Holds protruding to the inside of one side.

Then, manually insert the cartridge (1) into the holder (28),
When the push stopper (40) formed integrally with the holder (28) is brought into contact with the front end of the cartridge (1), the boss (36) hits the side surface of the cartridge (1) and resists the spring (38), and the holder (28). Retract outwards and spring (38) causes boss (36) to move to holder (2
8) When the boss (36) separates from the spring (38) due to the insertion operation (sliding) of the cartridge holder (28) while protruding inward and engaging with the drawing hole (7) of the cartridge (1), (3
6) contacts the guide surface of the slider (21) inside the guide body (17),
The contact with the guide body (17) prevents the boss (36) from retracting toward the outside of the holder (28) and maintains 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) that is connected to the drive gear (47) in a freely rotatable manner.The gears (47) and (48) are arranged coaxially. Fixed axis of the 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.

In addition to providing a switch (55) on the frame (41),
An operating rib (56) is integrally formed on the rack gear (50), and the pinion gear (48) idles due to the insertion operation of the slider (21) so that the rack gear (50) meshes with the gear (48), and then the rib Switch (55) is turned on by (56), and motor (4
2) to drive the pinion gear (48) and slide the slider (2
It is configured to perform the automatic retraction operation to insert 1).

Further, as shown in FIG. 1 and FIG.
(1) A shutter opener (58), which is a restriction arm elastically supported by a protruding spring (57) in the take-out direction, is provided, and one end of the opener (58) is slid on the drive frame (41) via a fulcrum shaft (56). The guide pin (60) is provided at the other end of the opener (58) so that the cartridge holder (28) can be inserted by the support action of the opener (58) while the cartridge (1) is taken out. In order to prevent it, the guide pin (60) of the opener (58) is brought into contact with the holder (28), and the opener (58) is swung by the cartridge (1) to be inserted into the holder (28).
A shutter opening arm (61) is formed at the end of the opener (58) where the guide pin (60) is installed.
The arm (61) is brought into contact with one end of the shutter (6) of the cartridge (1) to be inserted into the holder (28) to open the opener (5).
The shutter (6) is opened by the swinging of (8).

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 when the guide pin (60) is moving in the arc portion (63) by the insertion of the cartridge (1), the opener ( The cartridge holder (28) is fixedly supported by the projecting action of (58) .When the pull-in boss (36) is inserted into the pull-in hole (7) of the cartridge (1), the guide pin (60) is curved. Part (63) to straight part
(64), and the holder (28) is configured to start insertion.

Further, as shown in FIG. 1, FIG. 4, and FIG. 17 to FIG. 19, a turntable (65) on which the disc (3) is placed is provided, and a turntable (67) that is rotated by a motor (66) is turned. The table (65) is fixed and the 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
3) (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, while being fitted slidably only in the axial direction of the center hole (81) of the centering ring (77) on the upper end of the rotary shaft (67) for fixing the turntable (65) with the screw (80), 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) Engage the notch (90) with the fixed shaft (89) with the cartridge (1) taken out 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 a mounting frame (94), and an operating piece (96) is integrally formed with the operating arm (91) of the slider (21) to form a slider (21). At the end of insertion, the stop switch (95) is turned off by the operation piece (96), the motor (42) is stopped, and the loading operation is completed.

Also, as shown in FIG. 4, the leather pickup (69)
Is equipped with a pickup lock lever (97) that locks the
(11) The front and rear levers (97) are pivotally supported on the lower surface via a fulcrum shaft (98), and the pin (99) and slot (100) are also supported.
Through the lock lever (97) to the forward / backward movement preventing lever (88)
Of the pickup holder (70).
1) The engaging piece (102) at the other end of the lock lever (97) is disengageably locked, and the notch (90) is disengaged from the fixed shaft (89). ) Are linked, and the ridge (10
The engaging piece (102) is moved away from (1) so that the pip-up (69) operation can be performed.

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, the cartridge (1) is inserted into the holder (28), and the hollow portion of the cushion rubber (12) provided between the fixed chassis (10) and the movable chassis (11). The movable chassis (11) is fixed while the movable chassis (11) is fixed due to the descending step of the inclined part (33) formed in the guide grooves (19) and (20) of the guide bodies (17) and (18) with the built-in anti-vibration spring (105). Even if the upper surface of the holder (28) is brought close to the upper surface of the outer case (16), the movable chassis (1
When 1) is in a floating state, it is possible to form a large gap between the outer case (16) and the upper surface of the holder (28), and to prevent the movable chassis (11) supported by the vibration-proof spring (105) from swinging in the vertical direction. It is configured so that it can be set large and the outer case (16) 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) reversely moves and the cartridge holder (28) is moved to the removal position,
The cartridge (1) is configured to be ejected.

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 the cartridge (1) is inserted with the back side facing up, while retracting and allowing the cartridge (1) to enter further,
A stopper (109) engages with the front end of the cartridge (1) to prevent the cartridge (1) from being inserted.

This embodiment is constructed 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 drawing boss (36) engages with the drawing 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),
(36) comes into contact with the guide body (17) to prevent it from retracting from the lead-in hole (7), and the pinion gear (48) has a rack gear (5
The cartridge holder (28) and the slider (21) are inserted integrally with the cartridge (1) so that the (0) meshes.

Then, the motor (42) does not operate at the insertion position of the holder (28) and the slider (21) where the rack gear (50) starts to mesh with the pinion gear (48), and the pinion gear (4
Rotate 8) against the drive gear (47) and then hold it in the holder.
(28) and slider (21) are inserted, and as shown in FIG. 23, when the rack gear (50) completely meshes with the pinion gear (48), the switch (55) is turned on by the rib (56) of the rack gear (50). Operated, the motor (42) is activated at this point, and the output shaft (42a)
Rotates. The rotation of this output shaft (42a) is the worm (43),
It is transmitted to the pinion gear (48) through the worm wheel (44), reduction gear (45), and drive gear (47), and then the slider (2
1) and the holder (28) are automatically pulled in by the motor (42) drive, and the guide shafts (29) (30) are guided by the guide grooves (19) (2) as shown in FIG.
By reaching the inclined parts (33) (33) of (0), as shown in FIG. 23, the shutter (6) is opened by the opener (58) beyond the diameter of the centering ring (77) of the turntable (65). Let

When the automatic retracting operation of the slider (21) and the holder (28) is started, the boss (36) engages with the cartridge (1) even if the cartridge (1) is manually pulled from the outside. Therefore, the cartridge (1) can be prevented from being pulled out.

Further, the insertion operation of the cartridge holder (28) is continuously performed, and the guide grooves (29) and (30) become the guide grooves as shown in FIG.
By reaching the straight descending part (35) of (19) (20), the vertical movement prevention rollers (24) (25) escape from the rails (26) (27), and
As shown in FIG. 24, the guide pin (60) of the opener (58) moves to the end of the straight portion (64) of the elongated hole (62) formed in the holder (28), and the front end of the shutter (6) and the guide. By setting the front-to-back spacing with the pin (60), the retract boss (36) and the retract hole
Even if a fitting error occurs with (7), the reference hole (9) of the cartridge (1) can be arranged on the same vertical line with respect to the reference column (86).

Further, since only the slider (21) further slides in the state of FIG. 10, the guide grooves (31) and (31) of the slider (21) guide the guide groove (as shown in FIGS. 11 and 12). 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),
Disc by turntable (65) and chuck plate (4)
Hold (3).

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, the roller shafts (22) and (23) are supported by the short horizontal parts (34) and (34) of the guide grooves (19) and (20), and the supporting height of the slider (21) is lowered to the outside. 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.

Further, as 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. Engagement piece (102)
Separates from the ridge (101) of the pickup holder (70) to make the pickup (69) movable. At this time, as shown in FIG. 25, it is formed on the operation arm (91) of the slider (21). The stop switch (95) is turned off by the operating piece (96), and the motor (42) is stopped at this point and the cartridge (1)
Complete the mounting operation. Then, in the state shown in FIG. 25, the disk (3) is driven and the information is read by the pickup (69).

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 stop switch (95) is turned on by the slider (21) withdrawing, and the cartridge holder (28)
Rises, the disc (3) is lifted above the turntable (65), and the slider (21) and disc holder (2
8) retreat together, turn off the switch (55) and stop the motor (42), then the rack gear (50) disengages from the pinion gear (48) and the opener (58) retreats by the spring (57). The disk holder (28) to the eject position and the boss (36) to the spring chamber (37) of the left guide body (17) so that the boss (36) can be retracted and the front plate (15 ) Entrance (15a)
The cartridge (1) is discharged from the cartridge and the state returns to the state shown in FIG.

By providing the guide grooves (19) and (20) with the inclined portions (33) and (33), the slider (21) can be mounted in the cartridge (1) mounted state.
Although it was possible to lower the support position of the disc, the cartridge holder (28) was moved up and down to turn the disc (3) into the turntable (6
Since the length of the straight descending portions (35) (35) of the guide grooves (19) (20) to be raised and lowered to 5) can be shortened by the step of the inclined portion (33), the same slider (21) The amount of sliding can reduce the inclination angle of the descending groove (31) of the slider (21).
It was possible to reduce the sliding load of 1).

"Effect of the invention" As is apparent from the above embodiment, the present invention is the chassis (11).
Left and right guide bodies (17) and (18) are erected and fixed on the upper surfaces of both sides of the slider, and a slider (21) is arranged inside the left and right guides (17) and (18), and fixed to the outer surface of the side wall of the slider (21). Insert the shafts (22) and (23) into the grooves (19) and (20) formed in the left and right guide bodies (17) and (18), and slide the slider (21) freely on the left and right guide bodies (17) and (18). Support and support the cartridge holder (28) inside the slider (21).
, And the shafts (29) (30) for projecting and fixing to the outer surface of the side wall of the cartridge holder (28) are passed through the descending grooves (31) formed in the side wall of the slider (21) to the left and right guide bodies (17) (18). Insert into the guide grooves (19) (20) to be formed, slidably support the cartridge holder (28) with the slider (21) on the left and right guide bodies (17) (18), and also incorporate the record carrier (3) Insert the cartridge (1) into the cartridge holder (28) and
Recording that slides the cartridge holder (28) together with the slider (21) by pushing the cartridge (1) further after bringing the insertion end of the cartridge (1) into contact with the stopper (40) integrally formed with the recording medium (8). In the carrier mounting device, the intermediate portion of the guide body (17) on one side is partially bulged outward to guide the guide body (1
7) and a side wall of the slider (21) with a spring chamber (37) for arranging a leaf spring (38), and one end of the spring chamber (37) communicates with the inside of the cartridge holder (28) ( 21) and the boss (36) in the hole of the cartridge holder (28), and one end of which is fixed to the guide body (17) when the cartridge (1) is not inserted in the cartridge holder (28) ( The tip of the boss (38) is crimped to the outer end of the boss (36), and a retaining collar integrally formed on the outer periphery of the outer end of the boss (36) is attached to the cartridge holder (2
8) Abutting on the outside of the side wall, hold the tip of the boss (36) inside the cartridge holder (28) so that the cartridge holder
When the cartridge (1) is inserted into the cartridge (28), the boss (36) is pushed against the leaf spring (38) on the side surface of the cartridge (1) until the insertion end of the cartridge (1) hits the stopper (40). When retracted to the outside of the holder (28) and the insertion end of the cartridge (1) hits the stopper (40), a hole (7) corresponding to the boss (36) is formed on the side surface of the cartridge (1), and the boss (36) ) Through the hole
When the leaf spring (38) is disengaged from the boss (36) by sliding the cartridge holder (28) and the slider (21) into the boss (36) through the hole (7), Guide body (1
It is configured to block by 7), and when the cartridge (1) is not inserted in the cartridge holder (28),
A leaf spring (3) with enough spring force to keep the boss (36) protruding
8) is sufficient, the insertion and removal of the cartridge (1) with respect to the cartridge holder (28) can be performed with a light force, and the cartridge holder (28) starts sliding and the cartridge holder (2)
When it is actually necessary to engage the cartridge (1) with the cartridge holder (8), the fixed guide body (17) instead of the leaf spring (38) prevents the boss (36) from retracting and separating, and the cartridge holder (2).
The cartridge (1) can be securely engaged with 8),
A practical effect in which contradictory actions such as reduction of insertion / removal force of the cartridge (1) with respect to the cartridge holder (28) and improvement of engagement force between the cartridge holder (28) and the cartridge (1) can be obtained at the same time. Is.

[Brief description of drawings]

FIG. 1 is a plan view showing an embodiment of the present invention, FIG. 2 and FIG.
Fig. 4 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 a side exploded view, and Figs. 8 to 13 are operation explanations. FIGS. 14 to 16 are explanatory views of the loading / unloading mechanism, FIG. 17 is a sectional front view, FIGS. 18 and 19 are explanatory views of a turntable, and 20.
FIG. 26 to FIG. 26 are explanatory views of the cartridge mounting operation. (1) ... Cartridge (3) ... Disk (record carrier) (11) ... Chassis (17) (18) ... Guide body (19) (20) ... Groove (21) ... Slider (22) (23) …… Shaft (28) …… Cartridge holder (31) …… Descent groove (36) …… Boss (37) …… Spring chamber (38) …… Leaf spring (40) …… Stopper

Claims (1)

[Scope of utility model registration request] 1. Left and right guide members (1
7) (18) is fixed upright, the slider (21) is placed inside the left and right guide bodies (17) (18), and the shaft (22) (23) is fixed to the outer surface of the side wall of the slider (21). Is inserted into the grooves (19) and (20) formed in the left and right guide bodies (17) and (18), the slider (21) is slidably supported by the left and right guide bodies (17) and (18), and the slider (21 ) Inside the cartridge holder (28), and the shafts (29) (30) that project and fix to the outer surface of the side wall of the cartridge holder (28) are passed through the descending groove (31) formed in the side wall of the slider (21) to the left and right. Insert into the guide groove (19) (20) formed in the guide body (17) (18),
The left and right guide bodies (17) and (18) slidably support the cartridge holder (28) together with the slider (21), and the cartridge (1) containing the record carrier (3) is inserted into the cartridge holder (28). After contacting the insertion end of the cartridge (1) with the stopper (40) integrally formed with the cartridge holder (28), the cartridge (1) is further pushed to move the cartridge holder (28) together with the slider (21). In the sliding record carrier mounting device, the leaf spring (38) is provided between the guide body (17) and the side wall of the slider (21) by partially bulging the middle part of the guide body (17) on one side to the outside. The spring chamber (37) for
A boss (36) is provided in the hole of the slider (21) and the cartridge holder (28) for communicating one end side of the (37) with the inside of the cartridge holder (28), and the cartridge (1) is placed in the cartridge holder (28). When not inserted, the tip of the leaf spring (38) that fixes one end to the guide body (17) is crimped to the outer end of the boss (36) to integrally form the outer periphery of the outer end of the boss (36). A tsuba for the cartridge to the outside of the side wall of the cartridge holder (28),
When the cartridge (1) is inserted into the cartridge holder (28) by holding the tip of the boss (36) protruding inside the cartridge holder (28), the insertion end of the cartridge (1) stops.
On the side of the cartridge (1), retract the boss (36) toward the outside of the cartridge holder (28) against the leaf spring (38) until it hits the stopper (40) until the insertion end of the cartridge (1) hits the stopper (40). At this time, a hole (7) corresponding to the boss (36) is formed on the side surface of the cartridge (1), and the boss (36) is inserted into the hole (7) so as to project, and the cartridge holder (28) and the slider (21). When the leaf spring (38) is disengaged from the boss (36) due to the sliding of, the boss (3
A record carrier mounting device, characterized in that the guide member (17) prevents the backward movement and separation of (6).