JP2008130131A - Optical recording medium driving device, electronic device, and adjusting method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To adjust a base unit in a direction roughly vertical to a base without disassembling the assembled unit. <P>SOLUTION: The optical recording medium driving device is provided with a base unit where a disk table and an optical pickup device are arranged, and a disk tray 5 with an opening to which the base unit is attached formed thereon, set roughly close and parallel to an optical recording medium loaded on the table, and used as a base facing the optical recording medium. An adjusting member 24 for adjusting roughly vertical tilting of the base unit with respect to the disk tray when the base unit is attached to the disk unit 5 is provided with a holder 21 inserted through each attaching projection 20 formed in the housing part 15 of the disk tray 5, and a support plate 22 coupled with the holder 21 via the engaging piece 44 of a base chassis 30. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an optical recording medium driving device that adjusts a tilt in a substantially vertical direction with respect to a base of a base unit in which a disk table and an optical pickup are disposed.

  In the field of electronic devices such as notebook-type and desktop-type personal computers and disk players, higher functions have been promoted, while miniaturization and weight reduction have been achieved. Further, along with the downsizing and weight reduction of these electronic devices, further downsizing and thinning are required for the disk drive devices mounted on these electronic devices.

  Therefore, in conventional disk drive devices, for example, tolerances such as assembly errors are reduced, parts are manufactured with high precision, parts are assembled with high precision, and the clearance between the disk tray and the housing with respect to the disk is increased. By making it smaller, we have attempted to make it smaller and thinner.

  However, as the clearance decreases in this way, the disc may slide on the disc tray due to disc tilt or manufacturing variations due to partial factors. Check for discrepancies between the disc and the disc tray. There was a problem that an inspection to be performed was necessary.

  Therefore, in the disk drive device of Patent Document 1, a base chassis formed integrally with a disk table to which a disk is attached, a disk tray, using an adjustment screw that can be adjusted in a direction substantially perpendicular to the bottom surface of the housing, The clearance between is adjusted.

  However, in the disk drive device of Patent Document 1, if an inspection result that the disk slides on the disk tray after assembly is completed, it must be disassembled and readjusted, which takes time and further disassembles once. In addition, it is difficult to ensure the reliability of the inspection result, and adjustment is difficult.

JP 2002-109819 A

  The present invention has been proposed in view of such a conventional situation, and an object thereof is to provide an optical recording medium driving device capable of adjusting the inclination of the base unit in the substantially vertical direction with respect to the base.

  It is another object of the present invention to provide an optical recording medium driving device capable of adjusting the inclination of the base unit in a substantially vertical direction with respect to a facing member facing the optical recording medium.

  In order to achieve the above-described object, an optical recording medium driving device according to the present invention is reflected by irradiating a light beam to the optical recording medium mounted on the table and the optical recording medium mounted on the table. The optical unit for detecting the return light and an opening to which the base unit is attached are formed, and the optical recording is close to and substantially parallel to the optical recording medium mounted on the table on the surface side. And a base that faces the medium, and an adjustment member that adjusts an inclination of the base unit in a substantially vertical direction with respect to the base when the base unit is attached to the opening of the base.

  In the optical recording medium driving device according to the present invention, the base unit has a plurality of engaging pieces on the peripheral edge, engages the adjusting member with the engaging pieces, and engages with the engaging pieces. The adjustment member is attached to the opening of the base by inserting the adjustment protrusion formed on the base through the adjustment member, and the adjustment member is attached to the opening of the base after the base unit is attached to the opening of the base. An adjustment unit is provided that adjusts the inclination of the base unit in a substantially vertical direction with respect to the base by being rotated by a predetermined amount around the mounting protrusion.

  An electronic apparatus according to the present invention includes a table on which an optical recording medium is mounted, and an optical pickup that detects return light reflected by irradiating the optical recording medium mounted on the table with a light beam. A base unit, an opening to which the base unit is attached, a base that faces the optical recording medium in close proximity to and parallel to the optical recording medium mounted on the table, and the base An adjustment member that adjusts the inclination of the base unit in a substantially vertical direction with respect to the base when the unit is attached to the opening of the base, and the base unit has a plurality of engagement pieces on a peripheral edge, The adjustment member is engaged with the engagement piece, and the attachment protrusion formed on the base is inserted into the adjustment member engaged with the engagement piece. The adjustment member is attached to the base opening of the base unit by rotating a predetermined amount around the attachment protrusion after the base unit is attached to the opening of the base. An optical recording medium driving device having an adjustment unit for adjusting the inclination in the substantially vertical direction is mounted.

  In the adjusting method according to the present invention, the base unit is configured to apply a return light reflected by irradiating a light beam to the optical recording medium mounted on the table and a table on which the optical recording medium is mounted. An optical pickup for detection, and the base faces the optical recording medium in the vicinity of the optical recording medium mounted on the table on the surface side, and has an opening to which the base unit is attached. When the base unit is attached to the opening of the base, the plurality of engaging pieces formed on the periphery of the base unit adjust the inclination of the base unit in the substantially vertical direction with respect to the base. By engaging the adjusting member and inserting the mounting protrusion formed on the base into the adjusting member engaged with the engaging piece, the base unit is inserted. After the base unit is attached to the opening of the base and the base unit is attached to the opening of the base, the adjustment member engaged with the engagement piece is rotated by a predetermined amount around the attachment projection. Thus, the adjustment portion formed on the adjustment member adjusts the inclination of the base unit in the substantially vertical direction with respect to the base.

  An optical recording medium driving device according to the present invention detects a return light reflected by irradiating a light beam to the optical recording medium mounted on the table and the optical recording medium mounted on the table. A base unit in which an optical pickup is disposed and an opening for facing the base unit to the outside are formed, and the surface side faces the optical recording medium in close proximity to the optical recording medium mounted on the table. A base, a back cover that covers the back surface of the base, and to which the base unit is attached; and when the base unit is attached to the back cover facing the opening of the base, the base unit is substantially perpendicular to the base. And an adjustment member for adjusting the inclination of the.

  In the optical recording medium driving device according to the present invention, the base unit has a plurality of engaging pieces on the peripheral edge, engages the adjusting member with the engaging pieces, and engages with the engaging pieces. By attaching the mounting protrusion formed on the back cover to the adjusted member, the adjustment member is attached to the back cover, and the adjustment member is attached to the back cover with the base unit facing the opening of the base. After being mounted, the base unit has an adjustment unit that adjusts the inclination of the base unit in a substantially vertical direction with respect to the base by rotating by a predetermined amount around the mounting protrusion.

  The electronic apparatus according to the present invention includes a table on which an optical recording medium is mounted, and an optical pickup that detects the return light reflected by irradiating the optical recording medium mounted on the table with a light beam. A base unit disposed; a counter member facing the optical recording medium in proximity to the optical recording medium mounted on the table on the front side; and a mounting plate on which the counter member is supported and to which the base unit is attached And an adjustment member that adjusts the inclination of the base unit in a substantially vertical direction with respect to the opposing member when the base unit is attached to the mounting plate, and the base unit has a plurality of engagement pieces on a peripheral portion. Having the engagement piece engaged with the engagement piece, and inserting the attachment protrusion formed on the attachment plate into the adjustment member engaged with the engagement piece, The adjustment member is attached to the attachment plate, and the adjustment member is rotated by a predetermined amount around the attachment protrusion after the base unit is attached to the attachment plate, so that the base unit is substantially perpendicular to the opposing member. An optical recording medium driving device having an adjustment unit for adjusting the inclination of the recording medium is mounted.

  In the adjusting method according to the present invention, the base unit is configured to apply a return light reflected by irradiating a light beam to the optical recording medium mounted on the table and a table on which the optical recording medium is mounted. An optical pickup for detection is disposed, and the base is opposed to the optical recording medium on the surface side of the optical recording medium mounted on the table in the vicinity of the optical recording medium so that the base unit faces the outside. A portion is formed, the back cover covers the back surface of the base, the base unit is mounted, and the base unit is attached to the back cover facing the opening of the base. Engage the adjustment member that adjusts the inclination of the base unit with respect to the base in a substantially vertical direction to a plurality of engagement pieces formed on the peripheral edge of the unit, The base unit is attached to the back cover by inserting the attachment protrusion formed on the back cover through the adjustment member engaged with the engagement piece, and the base unit is opened from the opening of the base. After being faced and attached to the back cover, the adjustment member engaged with the engagement piece is rotated by a predetermined amount around the attachment projection, whereby the adjustment portion formed on the adjustment member The inclination of the base unit in the substantially vertical direction with respect to the base is adjusted.

  According to the present invention, after the base unit in which the adjustment member is engaged with the plurality of engagement pieces formed on the peripheral portion is attached to the opening of the base, the adjustment member attached to the engagement piece is formed on the base. By rotating the mounting projection by a predetermined amount around the mounting projection, the adjustment unit can adjust the inclination of the base unit in the substantially vertical direction with respect to the base.

  According to the present invention, after the base unit in which the adjustment member is engaged with the plurality of engagement pieces formed on the peripheral portion is attached to the attachment plate, the adjustment member attached to the engagement piece is formed on the attachment plate. By rotating the mounting projection by a predetermined amount around the mounting projection, the adjustment unit can adjust the inclination of the base unit in the substantially vertical direction with respect to the opposing member.

  Hereinafter, a disk drive device to which the present invention is applied will be described in detail with reference to the drawings. The disk drive device 1 is a drive device for reproducing an optical disk such as a CD (Compact Disc), a DVD (Digital Versatile Disc), or a BD (Blue-ray Disc). As shown in FIG. It is mounted in the drive bay of the electronic device 2 such as.

  As shown in FIG. 2, the disk drive device 1 includes a device main body 3 serving as an outer housing mounted in a drive bay, and an optical disk 4 such as a DVD provided inside the device main body 3 mounted thereon. A disc tray 5 and a base unit 6 connected to the disc tray 5 and reproducing information signals from the optical disc 4 placed thereon.

  The device main body 3 which is an outer casing mounted in the drive bay has a substantially rectangular box shape in which the front surface and upper surface serving as the insertion / removal surface of the disk tray 5 are opened. For example, the device main body 3 is punched from a metal plate and punched. And the like are formed. The apparatus body 3 is provided with a circuit board 7 on which a control circuit for controlling the drive of the disk drive device 1 and a connector for connecting to the electronic device 2 are formed. Further, the apparatus main body 3 has a back wall 3a formed on the side facing the front surface from which the disk tray 5 is pulled out of the apparatus main body 3, and side walls 3b and 3c are formed on both side edges sandwiching these. .

  Guide rails 8 for guiding insertion / removal of the disc tray 5 from the apparatus main body 3 are formed on the opposite side walls 3b, 3c from the back wall 3a side to the open end. The guide rail 8 is formed in a substantially U-shaped cross section and is arranged toward the apparatus main body 3 side. A guide member 9 connected to the disc tray 5 is slidably engaged with the guide rail 8. Further, the guide rail 8 is formed with a stopper piece 10 for restricting the sliding area of the guide member 9 in order to prevent the disc tray 5 from being pulled out from the apparatus main body 3 beyond a predetermined length. The guide member 9 engaged with the guide rail 8 is formed in a substantially U-shaped cross section, and slidably holds both side portions of the disc tray 5. The guide member 9 slides on the guide rail 8 to smoothly move the disc tray 5 when the disc tray 5 is pulled out or inserted from the apparatus main body 3.

  The circuit board 7 disposed in the vicinity of the back wall 3a of the apparatus body 3 is a so-called rigid board on which a wiring pattern is formed and various electronic components such as connectors for connecting to external devices are mounted. Has been. The circuit board 7 is provided with an FPC (Flexible Printed Circuit) 11 connected to a base unit 6 described later.

  When the apparatus main body 3 as described above is assembled in the drive bay of the electronic device 2, components on the electronic device 2 side, such as the back surface of the keyboard, are positioned on the opened upper surface side. In this apparatus main body 3, further thinning is achieved by opening it without arranging a top plate on the upper surface.

  The disk tray 5 inserted and removed from the apparatus body 3 is formed by injection molding or the like with a thermoplastic resin having mechanical strength such as PPE (polyphenylene ether). The disc tray 5 is formed with a storage recess 12 in which the optical disc 4 is stored. The storage recess 12 is a substantially circular recess having substantially the same size as the optical disc 4, and the optical disc 4 is placed with the signal recording surface facing. The storage recess 12 is formed with an opening 13 in the main surface portion so that the disk table 31 and the objective lens 46 of the base unit 6 attached to the disk tray 5 face the optical disk 4 side. The opening 13 is formed from the substantially central portion of the storage recess 12 to the front surface 5 a side of the disc tray 5. The opening 13 has the disk table 31 and the objective lens 46 facing upward via a surface cover 70 attached to the base chassis 30 of the base unit 6 facing the signal recording surface side of the optical disk 4. As shown in FIG. 3, the storage recess 12 is formed with a storage wall 14 formed in a substantially arc shape around the storage recess 12. The storage wall 14 is used to guide the optical disk 4 to the center of the storage recess 12 and to prevent the optical disk 4 from dropping from the disk tray 5, and has a tapered surface on the inner wall side.

  Further, as shown in FIG. 4, the disc tray 5 has a receiving portion 15 and a disc tray 5 in which a base unit 6 to be described later is stored on the back surface 5c side opposite to the main surface 5b side on which the storing recess 12 is provided. Is held in the apparatus main body 3. A plurality of mounting protrusions 20 to be described later that are engaged with the base unit 6 are formed in the storage portion 15. Specifically, three mounting protrusions 20 are formed at substantially equal intervals with reference to the approximate center of the opening 13.

  Further, as shown in FIG. 2, the disc tray 5 is formed with a guide protrusion 17 that is engaged with the guide member 9 in the insertion / removal direction from the apparatus main body 3. The guide protrusion 17 is slidably held by the guide member 9 described above, and insertion / removal with respect to the apparatus main body 3 is guided. Further, the guide protrusion 17 is provided with a stopper piece 10 whose details are omitted at the end on the back surface 5d side which is the apparatus main body 3 side and the end on the front surface 5a side where the disk tray 5 is pulled out. The removal from the member 9 and the protrusion of the guide member 9 toward the front surface 5a are prevented.

  Although the details of the holding mechanism 16 that holds the disc tray 5 in the apparatus main body 3 are omitted, for example, a hook that is engaged with an engaging pin that is erected from the apparatus main body 3, and the disc tray 5 is attached to the apparatus main body. 3 has an urging member that urges outward, and a control means for controlling engagement / disengagement between the hook and the engagement pin. When the optical disk 4 is mounted on the disk tray 5 and pushed into the apparatus main body 3 by the user, the holding mechanism 16 engages the engaging pin with the hook so that the disk tray 5 can be moved regardless of the urging force of the urging member. It is held in the apparatus body 3. Further, when the holding mechanism 16 receives a take-out signal from the electronic device 2, the holding mechanism 16 releases the engagement between the hook and the engagement pin, and pushes the disc tray 5 out of the apparatus main body 3 by the urging force of the urging member.

  As shown in FIG. 5, the base unit 6 accommodated in the accommodating portion 15 of the disc tray 5 is formed integrally with the base chassis 30 constituting the unit main body and the base chassis 30, and the optical disc 4 is mounted. A disk table 31 that rotates the optical disk, an optical pickup device 32 that detects the return light reflected by irradiating the optical disk 4 rotated by the disk table 31, and guides the movement of the optical pickup device 32. A pair of guide shafts 34, 35, a rack member 50 that moves the optical pickup device 32 along the guide shafts 34, 35, and the rack member 50 are engaged, and the optical pickup device 32 extends over the radial direction of the optical disc 4. And a pickup moving mechanism 33 to be moved.

  The base chassis 30 constituting the unit body of the base unit 6 has a substantially rectangular frame body made of metal, and has an opening 41 that allows the objective lens 46 of the optical pickup device 32 to face the signal recording surface side of the optical disc 4. Is formed. The opening 41 is formed in a substantially rectangular shape, and a substantially arc-shaped cutout 42 is formed on one end side in the longitudinal direction. In the base chassis 30, a pair of guide shafts 34 and 35, which will be described later, extend along the longitudinal direction of the opening 41, and the optical pickup device 32 supported by the guide shafts 34 and 35 crosses the opening 41. It is arranged. Further, a circular disk table 31 that rotates the optical disk and a spindle motor that rotates the disk table 31 (not shown) are disposed in the notch 42 of the opening 41.

  Further, the base chassis 30 is formed with a motor opening 43 that allows a feed motor 61 described later to face upward. The motor opening 43 projects the upper portion of the feed motor 61, thereby reducing the unit thickness of the base unit 6.

  Further, the base chassis 30 is formed with three substantially C-shaped engagement pieces 44 whose front ends are opened in accordance with the arrangement position of the mounting projection 20 described later on the peripheral portion.

  The disc table 31 disposed in the notch 42 of the base chassis 30 is mounted with the optical disc 4 being centered by engaging the center hole of the optical disc 4. The disk table 31 rotates the optical disk 4 at a constant linear velocity, a constant angular velocity, or a combination thereof.

  As shown in FIG. 5, the optical pickup device 32 that detects the return light reflected by irradiating the optical disk 4 rotated by the disk table 31 with a light beam includes a pickup base 45 having a substantially rectangular casing. Have. The pickup base 45 has an insertion hole 47 through which a guide shaft 34 (described later) is inserted at one end in the longitudinal direction, and an engagement piece 48 that engages a guide shaft 35 (described later) at the other end. . The pickup base 45 includes at least a light source (not shown) such as a semiconductor laser that emits a light beam, and an objective lens 46 that condenses and irradiates the light beam emitted from the light source on the signal recording surface of the optical disc 4; A photodetector (not shown) that detects reflected light reflected from the signal recording surface of the optical disc 4 and a drive system (not shown) that drives the objective lens 46 in the focusing direction and tracking direction of the optical disc 4 are provided. Furthermore, the FPC 11 on which a drive circuit for controlling the drive system of the objective lens 46 is formed is attached to the pickup base 45.

  The optical pickup device 32 as described above uses a light beam emitted from the light source to the optical disk 4 rotated by the disk table 31 to drive the objective lens 46 in the focusing direction and the tracking direction. Data is recorded on the optical disk 4 by detecting the return light reflected from the signal recording surface of the optical disk 4 with a photodetector, or reading the data recorded on the optical disk. I do.

  As shown in FIG. 5, the pair of guide shafts 34 and 35 that guide the movement of the optical pickup device 32 are opposed to the opening 41 of the base chassis 30 and are disposed so as to be linearly movable in the radial direction of the optical disc 4. ing. The guide shafts 34 and 35 are supported by a housing 49 attached to the back surface of the base chassis 30 so that the objective lens 46 faces the signal recording surface of the optical disc 4 through the opening 41. Yes. Further, the skew and height of the guide shafts 34 and 35 with respect to the substantially vertical direction of the housings 49 are adjusted to adjust the skew of the base unit 6.

  As shown in FIG. 5, the rack member 50 for moving the optical pickup device 32 along the guide shafts 34 and 35 is provided adjacent to the guide shaft 35, one end is screwed to the pickup base 45, and the other end is fixed. It is engaged with a thread groove formed in a shaft portion of a lead screw 60 of a pickup moving mechanism 33 described later. Further, the rack member 50 engages with the screw groove of the lead screw 60 to convert the rotational motion of the lead screw 60 into linear movement, thereby moving the pickup base 45 along the guide shafts 34 and 35. .

  As shown in FIG. 5, the pickup moving mechanism 33 that moves the optical pickup device 32 in the radial direction of the optical disk 4 is attached to the base chassis 30 adjacent to and parallel to the guide shaft 34. A lead screw 60 and a feed motor 61 that rotationally drives the lead screw 60 are provided.

  The lead screw 60 attached to the base chassis 30 adjacent to the guide shaft 34 and parallel to the guide shaft 34 is rotatably supported by one end of a shaft portion in which a thread groove is formed, and the other end is described later. Connected to the feed motor 61. Further, the lead screw 60 has a rack member 50 provided on the pickup base 45 engaged with a shaft portion so as to be slidable in the screw groove. Furthermore, the lead screw 60 can be driven by the feed motor 61 to move the optical pickup device 32 across the radial direction of the optical disc 4 via the rack member 50.

  The feed motor 61 that rotationally drives the lead screw 60 uses a stepping motor or a DC motor as a thread motor. When the stepping motor is used, the feed motor 61 rotates the lead screw 60 by being step-fed by a rectangular wave, and moves the optical pickup device 32 in the radial direction of the optical disc 4.

  In the pickup moving mechanism 33 as described above, when the optical pickup device 32 is driven by the electronic device 2, the feed motor 61 servo-controlled by the microcomputer of the electronic device 2 is rotated a predetermined number of times so that the shaft of the lead screw 60 is rotated. The rack member 50 that engages with the portion is moved along the shaft portion, and the optical pickup device 32 is conveyed over the radial direction of the optical disc 4.

  When the base unit 6 is attached to the disc tray 5, the adjustment member 24 for adjusting the inclination of the base unit 6 in the substantially vertical direction with respect to the disc tray 5 is formed in the storage portion 15 of the disc tray 5, as shown in FIG. The holder 21 is inserted through the mounting protrusions 20, and the support plate 22 is coupled to the holder 21 with the engaging piece 44 of the base chassis 30 interposed therebetween.

  Here, as shown in FIG. 6, an insulator 23 that disperses and absorbs vibrations caused by a motor or the like made of an elastic material such as rubber is engaged with each engagement piece 44. The insulator 23 engaged with the engagement piece 44 includes a shaft portion having an insertion hole that is substantially the same as or slightly larger in diameter than the outer diameter of a shaft portion 21a of the holder 21 that will be described later and is engaged with the mounting protrusion 20, and this shaft. It consists of a pair of flange part provided in the both ends of the outer peripheral surface of a part. Since the shaft portion of the insulator 23 is engaged with the engagement piece 44, and the adjustment member 24 is attached to the engagement piece 44 via the flange portion 23b, vibrations from the base chassis 30 and the like are applied to the disk tray. Disperse and absorb without transmitting to 5. Note that the insulator 23 does not have to be engaged with the engagement piece 44 as long as vibration or the like can be dispersed and absorbed by other members.

  Next, the mounting protrusion 20 through which the holder 21 is inserted will be described. As shown in FIG. 4, a plurality of attachment protrusions 20 are formed in the storage portion 15. Specifically, three mounting protrusions 20 are formed at substantially equal intervals so as to stably support the base unit 6 and to cope with any inclination of the base unit 6 with respect to the storage portion 15.

  As shown in FIG. 6, each mounting projection 20 has three adjustment projections 20a on the outer peripheral surface at the same circumference in the circumferential direction so as to stably support a holder 21 described later. Is formed. In addition, each mounting projection 20 has an adjustment projection 20a and a storage portion 15 that are lower than the adjustment projection 20a on the outer peripheral surface at substantially equal intervals in the circumferential direction according to the arrangement position of the adjustment projection 20a. A projecting portion 20b that is continuous in the axial direction is formed. Further, each mounting protrusion 20 is formed with a cover fixing hole 20c, which is a screw hole for fixing a back cover 71 (described later) with a screw 72 or the like on the upper surface. In addition, a mark portion 20d that serves as a mark for the position of the adjustment protrusion 20a when the holder 21 is inserted is formed around the attachment protrusion 20 in accordance with the position of the adjustment protrusion 20a. The mark portion 20d is formed of, for example, a concave portion corresponding to the arrangement position of the one adjustment protrusion 20a, and is formed with a distance that is not hidden by the holder 21 when viewed in plan.

  Note that the three mounting protrusions 20 are not limited to being formed, and may be supported at least at three locations as long as the base unit 6 can be stably supported, and may be at four locations. Further, the attachment protrusions 20 are not limited to being formed at substantially equal intervals, and it is sufficient that the base unit 6 can be supported.

  Note that the number of adjustment protrusions 20a is not limited to three, and may be supported at least at three locations as long as a holder 21 described later can be stably supported, and may be at four locations. Further, the adjustment protrusion 20a is not limited to be formed on the same circumference in the circumferential direction. If the adjustment groove 21c of the holder 21 described later is made to correspond, the adjustment projection 20a is on the same circumference in the circumference direction. It does not have to be formed.

  In addition, the protrusion part 20b is not limited to being formed according to the arrangement position of the adjustment protrusion 20a, and may be formed between the adjustment protrusions 20a, for example.

  In addition, the mark part 20d is not limited to being formed according to the arrangement position of one adjustment protrusion 20a, and may be formed according to the arrangement position of each adjustment protrusion 20a, for example.

  The holder 21 which is the adjusting member 24 inserted through the mounting protrusion 20 is molded by injection molding or the like with a thermoplastic resin having mechanical strength such as polycarbonate. Further, as shown in FIG. 6, the holder 21 includes a shaft portion 21a having an insertion hole 21h slightly larger in diameter than the outer peripheral surface of the mounting projection 20, and a flange portion 21b provided at one end of the outer peripheral surface of the shaft portion 21a. And have.

  Further, the holder 21 has three adjustment grooves 21c on the peripheral surface of the shaft portion 21a, which serve as an adjustment portion in which the adjustment protrusions 20a are engaged at substantially equal intervals in the circumferential direction according to the arrangement positions of the adjustment protrusions 20a. Individually formed. As shown in FIG. 7, each adjustment groove 21 c is opened with a width that allows the adjustment protrusion 20 a to be engaged, and has three steps in a stepwise manner so as to incline upward toward the axis of the attachment protrusion 20. Grooves having different heights are continuously formed. Each adjustment groove 21c is provided so as to have a substantially vertical clearance between the designed optical disk 4 and the disk tray 5 when the adjustment protrusion 20a is engaged with the second height groove. It has been. Furthermore, each adjustment groove 21c is provided with a third-stage groove that is, for example, 0.15 mm higher than the second-stage groove, and a first-stage groove that is, for example, 0.15 mm lower. Each adjustment groove 21c guides the adjustment protrusion 20a to a groove having a different height when the holder 21 is rotated around the attachment protrusion 20.

  In addition, as shown in FIG. 6, the holder 21 is formed with an engaging groove 21d that engages with the protruding portion 20b on the inner peripheral surface of the insertion hole 21h. The engagement groove 21d is formed at a substantially intermediate position in the circumferential direction of the three grooves having different heights of the adjustment grooves 21c. Each engagement groove 21d engages with the protruding portion 20b when the holder 21 is rotated about the attachment protrusion 20 and the adjustment protrusion 20a is guided to a substantially intermediate position of each groove, so that the click feeling is achieved. Is given to notify that the groove has changed, and the holder 21 is held.

  Further, the holder 21 is formed with an insertion groove 21i on the inner peripheral surface of the insertion hole 21h for inserting the adjustment protrusion 20a into the adjustment groove 21c when being inserted into the attachment protrusion 20. The insertion groove 21i is a concave groove that is continuous with the flange portion 21b and the adjustment groove 21c. Further, the insertion groove 21i is formed to be slightly wider than each adjustment protrusion 20a and slightly deeper than the height of each adjustment protrusion 20a according to each adjustment protrusion 20a. Then, the insertion groove 21i allows the adjustment protrusion 20a to escape so as not to hit the flange portion 21b when the holder 21 is inserted through the attachment protrusion 20, and allows the adjustment protrusion 20a to be inserted into, for example, a first-stage groove.

  Further, the holder 21 is engaged with the support plate 22 described later by a snap-fit coupling method at a substantially equal interval in the circumferential direction at the tip of the shaft portion 21a according to the arrangement position of the second-stage adjustment groove 21c. Three claws 21e are formed.

  The holder 21 is formed with a mark notch 21f that serves as a mark when the holder 21 is inserted into the mounting protrusion 20 in the flange portion 21b according to the arrangement position of the insertion groove 21i. Further, in the holder 21, a reference mark notch portion 21 g is formed on the flange portion 21 b as a mark of the second-stage arrangement position according to the second-stage arrangement position of the adjustment groove 21 c.

  When the holder 21 is inserted into the mounting protrusion 20 so that the mark notch 21f coincides with the mark 20d, the adjustment protrusion 20a is inserted into the first groove of the adjustment groove 21c. The largest clearance between the holder 21 and the storage portion 15 can be prevented.

  The holder 21 is provided so that the adjustment protrusion 20a has a designed clearance when the holder 21 is rotated around the attachment protrusion 20 so that the reference mark notch 21g of the second stage coincides with the mark 20d. Engage with the second groove.

  The adjustment groove 21c is not limited to three stages, and the number of stages may be five stages or the like, and can be changed as appropriate. The adjustment groove 21c is not limited to being provided at a step of 0.15 mm, and can be appropriately changed depending on the adjustment accuracy of the clearance. Furthermore, the adjustment groove 21c is not limited to be formed in a stepped shape, but may be a straight groove so that the adjustment groove 21c can be adjusted steplessly. Further, the adjustment groove 21 c may be formed so as to incline to the left with respect to the axis of the mounting protrusion 20.

  Note that the engagement groove 21d is not limited to being formed at a substantially intermediate position in the circumferential direction of each groove having a different height from each adjustment groove 21c, and the holder 21 is rotated around the mounting protrusion 20. A plurality of the protrusions 20b may be continuously formed so as to engage with the protrusion 20b and provide a click feeling. Further, the engagement groove 21d may be formed so that, for example, the click feeling is changed to give a click feeling each time it rotates, and that the change in the groove is also notified by the click feeling. Further, the holder 21 may be provided with a protruding portion, and the attachment protrusion 20 may be provided with an engagement groove to provide a click feeling. The holder 21 and the mounting protrusion 20 do not need to be provided with a protruding portion and an engaging groove unless it is necessary to give a click feeling and notify that the groove has changed.

  Note that the engaging claws 21e are not limited to being formed according to the arrangement positions of the second-stage adjustment grooves, and may be simply formed at substantially equal intervals in the circumferential direction, for example.

  The support plate 22 which is the adjusting member 24 coupled to the holder 21 is molded by injection molding or the like with a thermoplastic resin having mechanical strength such as polycarbonate. Further, as shown in FIG. 6, the support plate 22 has a ring shape having an inner peripheral surface that is slightly larger in diameter than the outer peripheral surface of the shaft portion 21 a of the holder 21 and an outer diameter that is substantially the same as the flange portion 21 b of the holder 21. It is.

  Further, the support plate 22 is formed with three engagement recesses 22a on the inner peripheral surface according to the arrangement positions of the engagement claws 21e of the holder 21 at substantially equal intervals in the circumferential direction. The engaging recess 22a is engaged with the engaging claw 21e of the holder 21 so that the holder 21 and the support plate 22 are coupled by a snap-fit coupling method. At this time, the engaging recess 22a is formed by the holder 21 and the support plate 22 being integrated in the axial direction of the mounting protrusion 20, and the engaging recess 22a and the side surface of the engaging claw 21e are in contact with each other. It is also integrated in the direction of rotation. The support plate 22 is formed with two operation holes 22b on the main surface opposite to the main surface facing the holder 21, into which an adjustment jig or the like is inserted at substantially equal intervals around the axis of the shaft portion 21a. Has been.

  The support plate 22 may be provided with an engaging claw, and the holder 21 may be provided with an engaging concave portion so that the support plate 22 and the holder 21 are coupled.

  In addition, the holder 21 and the support plate 22 are not limited to being coupled by a snap-fit coupling method using an engagement claw and an engagement recess, but may be any unit that is integrated in the axial direction and the rotation direction. You may couple | bond with a screw stop etc.

  As shown in FIGS. 2 and 3, the base unit 6 attached to the storage unit 15 using the adjusting member 24 as described above is screwed with a front cover 70 on the front surface side of the base chassis 30, and on the rear surface side. The back cover 71 is held between the front cover 70 and the back cover 71 by being screwed to the disc tray 5.

  The front cover 70 screwed to the upper surface side of the base chassis 30 is formed with an opening 73 that allows the objective lens 46 and the disk table 31 formed in the optical pickup device 32 to face upward. The opening 73 has a rectangular opening 73 a formed in a substantially rectangular shape from the inner peripheral side to the outer peripheral side of the optical disc 4 according to the moving region of the pickup base 45, and a rectangular opening 73 a corresponding to the disc table 31. And a circular opening 73b formed in a substantially circular shape continuously with the inner peripheral side end.

  Further, when the base unit 6 is stored in the storage portion 15 of the disc tray 5, the front cover 70 is exposed to the optical disc 4 side from the opening 13 of the disc tray 5 as shown in FIG. Part of it. Since the front cover 70 is screwed to the base chassis 30, the front cover 70 is in close contact with the base chassis 30, and is prevented from being lifted from the storage recess 12, and is formed by the main surface of the front cover 70 and the opening end of the opening 73. It is possible to prevent the signal recording surface of the optical disc 4 from being damaged.

  As shown in FIG. 2, the back cover 71 screwed to the back side of the base chassis 30 is formed by punching and forming an aluminum plate. The back cover 71 is formed with a predetermined screw hole 71 a, and from the back side of the base chassis 30 stored in the storage portion 15 of the disk tray 5 to the storage portion 15 via the engagement piece 44 of the base chassis 30. A screw is fixed to a cover fixing hole 20c formed on the upper surface of the protruding mounting protrusion 20.

  In addition, as shown in FIG. 6, the operation holes 22 b of the support plate 22 are exposed to the outside around the screw holes 71 a of the back cover 71 according to the arrangement positions of the operation holes 22 b of the support plate 22 at substantially equal intervals. An adjustment hole 71b is formed. These adjustment holes 71b may have any shape that allows the support plate 22 to be rotated by inserting an adjustment jig or the like into the operation hole 22b from the outside of the back cover 71. For example, according to the arrangement position of the operation hole 22b Thus, two substantially arc-shaped grooves that are slightly wider than the adjusting jig are formed at substantially equal intervals around the screw hole 71a.

  Here, a method of attaching the base unit 6 to the storage portion 15 of the disc tray 5 using the adjustment member 24 will be described.

  First, as shown in FIG. 8, in the holder 21, the mark notch 21 f and the mark 20 d formed around the mounting protrusion 20 are aligned, and the holder 21 is inserted into the mounting protrusion 20 formed in the storage portion 15.

  As shown in FIG. 9, the holder 21 is clicked by the reference mark notch 21g and the mark 20d formed around the mounting projection 20 being aligned with each other, and the protrusion 20b is engaged with the engagement groove 21d. Rotate in the right direction as viewed from the back surface, that is, in the A1 direction in FIG. 9 until the feeling is given, and the adjustment protrusion 20a is guided by the adjustment groove 21c and engaged with the second-stage groove. .

  As shown in FIG. 10, the insulator 23 is engaged and attached to each engagement piece 44 of the base chassis 30. Then, as shown in FIG. 10, the attachment protrusion 20 engaged with the holder 21 is inserted through the inner peripheral surface of the insertion hole of the engagement piece 44 with which the insulator 23 is engaged.

  As shown in FIG. 11, the support plate 22 is inserted into the outer peripheral surface of the shaft portion 21 a of the holder 21. As shown in FIG. 12, each engagement piece 44 of the base chassis 30 is coupled to the engagement recess 22 a of the support plate 22 with the engagement claw 21 e of the holder 21. Sandwiched between.

  And as shown in FIG. 13, the back surface cover 71 is fixed to the cover fixing hole 20c formed in the mounting projection 20 with the screw 72 so that the operation hole 22b of the support plate 22 faces the outside from the adjustment hole 71b. .

  Next, when the base unit 6 is attached to the storage portion 15 of the disc tray 5 using the adjustment member 24 and the disc drive device 1 is assembled, the slide between the optical disc 4 and the storage recess 12 of the disc tray 5 is then performed. A check is made to see if any have occurred.

  First, in the disk drive device 1, an inspection device is connected to the connector of the circuit board 7, and the disk table 31 and the optical pickup device 32 can be driven. In the disk drive device 1, for example, the inspection optical disk 4 is mounted on the disk table 31, and the spindle motor is driven by the inspection apparatus to rotate the optical disk 4 integrally with the disk table 31. In this disk drive device 1, a light beam emitted from a light source is condensed by an objective lens 46 onto an optical disk 4 rotated by a disk table 31 by an optical pickup device 32, and reflected by the optical disk 4. The optical beam 4 and the disc tray 5 are detected by detecting the returned light beam with a photodetector and detecting a surface blur or the like with an inspection device using an output signal from the optical pickup device 32, or by visual inspection or the like. The presence / absence, location, degree, and the like of the sliding recess 12 are specified.

  Further, when it is confirmed that the disc drive device 1 has slid between the optical disc 4 and the storage recess 12 of the disc tray 5, the location of the slide between the optical disc 4 and the storage recess 12 is checked by the inspection device. Depending on the degree and degree of sliding, the optical disk 4 having a clearance between the optical disk 4 and the housing recess 12 so as not to slide on the housing recess 12 depending on the location and degree of sliding is substantially perpendicular to the housing recess 12. The amount of inclination adjustment in the direction, that is, the amount of inclination adjustment in the substantially vertical direction with respect to the storage portion 15 of the base unit 6 having the disk table 31 on which the optical disk 4 is mounted, is specified. The amount of adjustment in the substantially vertical direction with respect to the storage portion 15 of each of the six engaging pieces 44 is specified.

  Next, when it is confirmed that the optical disc 4 and the storage recess 12 of the disc tray 5 are slid, the disc drive apparatus 1 then tilts in a substantially vertical direction with respect to the storage recess 12 of the optical disc 4, specifically, the base unit. The inclination in the substantially vertical direction with respect to the six storage portions 15 is adjusted.

  First, the adjuster was screwed to the back side of the base chassis 30 according to the adjustment amount in the substantially vertical direction with respect to the storage portion 15 of each engagement piece 44 of the base unit 6 specified by the above-described inspection apparatus or the like. A jig such as a metal rod is inserted into each operation hole 22 b of the support plate 22 of the adjustment member 24 engaged with the engagement piece 44 from the adjustment hole 71 b of the back cover 71. The adjuster rotates the adjustment member 24 engaged with the engagement piece 44 by a predetermined amount in the predetermined rotation direction in accordance with the adjustment amount in the substantially vertical direction with respect to the storage portion 15 of each engagement piece 44 of the base unit 6. By doing so, the substantially vertical clearance between the engagement piece 44 and the storage portion 15 is adjusted.

  Here, as shown in FIG. 13, when the adjuster provides a substantially vertical clearance between the engagement piece 44 and the storage portion 15 as compared with the current state, the adjustment member 24 engaged with the engagement piece 44. Until the adjustment protrusion 20a of the attachment protrusion 20 is engaged with the engagement groove 21d of the holder 21 and a click feeling is applied, and the attachment protrusion 20 is centered on the right side as viewed from the back, that is, in the B1 direction in FIG. By rotating, the adjustment protrusion 20a is guided by the adjustment groove 21c to the third-stage groove, and the adjustment member 24 approaches the storage portion 15 from the current state, and the substantially vertical direction between the engagement piece 44 and the storage portion 15 is reached. Clearance can be adjusted greatly.

  On the other hand, when the adjuster provides a clearance in the substantially vertical direction between the engagement piece 44 and the storage portion 15 to be smaller than the current state, the adjustment member 24 engaged with the engagement piece 44 is given a click feeling. By rotating the mounting projection 20 around the mounting projection 20 in the left direction in the back view, that is, in the C1 direction in FIG. 13, the adjustment projection 20a is guided by the adjustment groove 21c to the first-stage groove, and the adjustment member 24 is now The clearance in the substantially vertical direction between the engagement piece 44 and the storage portion 15 can be adjusted to be small by moving away from the storage portion 15.

  Then, the disk drive device 1 adjusted so that the optical disk 4 does not slide on the storage recess 12 is again inspected for checking whether or not the optical disk 4 and the storage recess 12 slide, and the optical disk 4 and the storage recess 12 are checked. Is not confirmed, it is mounted in the drive bay of the electronic device 2 such as a notebook personal computer.

  In the present invention configured as described above, the mounting protrusions 20 formed in the storage portion 15 in which the holder 21 is already engaged are inserted into the plurality of engaging pieces 44 formed in the peripheral portion of the base unit 6. The base unit 6 is attached to the disc tray 5 by being coupled so that the engagement piece 44 is sandwiched between the holder 21 and the support plate 22, and then each holder 21 is centered on the attachment protrusion 20. By rotating a predetermined amount, the adjustment protrusion 20a is guided by the adjustment groove 21c having a different height, and the adjustment member 24 can adjust the clearance in the substantially vertical direction between the engagement piece 44 and the storage portion 15. In addition, since the inclination of the base unit 6 in the substantially vertical direction with respect to the storage portion 15 can be adjusted, the optical disk 4 can be prevented from sliding on the storage recess 12.

  Further, according to the present invention, since the adjustment hole 71b is formed in the back cover 71 so that the operation hole 22b of the support plate 22 faces the outside of the back cover 71, it is not disassembled after the assembly of the disk drive device 1 is completed. Then, a jig or the like is inserted into the operation hole 22b from the adjustment hole 71b, and each holder 21 is rotated by a predetermined amount around the attachment protrusion 20, whereby the adjustment protrusion 20a is guided to the adjustment groove 21c having a different height. Each adjustment member 24 can adjust the clearance in the substantially vertical direction between the engagement piece 44 and the storage portion 15 and can adjust the inclination in the substantially vertical direction of the base unit 6 with respect to the storage portion 15. It is possible to prevent the optical disk 4 from sliding on the storage recess 12.

  Further, according to the present invention, the clearance in the substantially vertical direction between the engagement piece 44 and the storage portion 15 can be adjusted by each adjusting member 24 without disassembling after the assembly of the disk drive device 1 is completed. 6 can be adjusted so that the optical disc 4 can be prevented from sliding on the storage recess 12 due to variations in component accuracy, variations in assembly accuracy, and the like.

  Further, according to the present invention, since at least three positions of the engagement pieces 44 of the base unit 6 can be adjusted independently, for each engagement piece 44, a substantially vertical direction between the engagement piece 44 and the storage portion 15 is provided. Since the clearance can be adjusted, the skew of the base unit 6 can be adjusted with respect to the disc tray 5.

  It should be noted that the adjustment is not limited to the vertical adjustment with respect to the disc tray 5 by the attachment protrusion 20 formed with the adjustment protrusion 20a and the adjustment groove 21c so as to be inclined with respect to the axis of the attachment protrusion 20. Absent.

  The adjusting member 24 is not limited to being composed of separate members such as the holder 21 and the support plate 22. For example, the adjusting member 24 is integrally formed such that a shaft portion and a pair of flange portions are formed at both ends of the shaft portion. Shape may be sufficient.

  Next, a description will be given of the disk drive device 1 including the integral-shaped adjustment member 81 having another example of the adjustment unit that adjusts the base unit 6 in a substantially vertical direction with respect to the disk tray 5 serving as a base.

  As shown in FIGS. 14 and 15, the disk drive device 1 is adjusted to the opposing surfaces of the mounting protrusion 80 having the flange portion 80 a at the base end and the adjusting member 81 having the pair of flange portions 81 b and 81 b, respectively. The adjustment member 81 is engaged with the engagement piece 44, and the adjustment protrusion 81 formed on the disc tray 5 is inserted into the adjustment member 81, whereby the adjustment member 81 is attached to the disc tray 5. After the base unit 6 is attached to the opening 13, the base unit 6 is rotated by a predetermined amount around the attachment protrusion 80, so that the adjustment unit can adjust the disk tray 5 in a substantially vertical direction.

  Hereinafter, when the disk drive device 1 has the same configuration as the disk drive device 1 described above, the same reference numerals are given and the description thereof is omitted.

  As shown in FIGS. 14 and 15, each mounting protrusion 80 formed in the storage portion 15 of the disk tray 5 has a flange portion 80 a, and the main surface on the side facing the adjustment member 81 of the flange portion 80 a. In order to stably support the adjustment member 81, three adjustment steps 80b, which are adjustment portions, are formed at substantially equal intervals around the axis of the mounting protrusion 80. Each adjustment step 80b is formed with three steps having different heights, and is continuously formed in a spiral staircase shape so that the steps increase in the clockwise direction when viewed from the back. Each attachment projection 80 is formed with a cover fixing hole 20c on the upper surface for fixing the back cover 71 with a screw 72 or the like. Then, the adjustment member 81 is engaged with the attachment protrusion 80.

  As shown in FIGS. 14 and 15, the adjustment member 81 with which the attachment protrusion 80 is engaged includes a shaft portion 81 a having an insertion hole 81 f slightly larger in diameter than the outer peripheral surface of the attachment protrusion 80, and the outer periphery of the shaft portion 81 a. A pair of flange portions 81b, 81b provided at both ends of the surface. Further, the adjustment member 81 has a main surface of the flange portion 81b on the side facing the flange portion 80a of the mounting projection 80, and is substantially centered on the axis of the inner peripheral surface of the insertion hole 81f depending on the arrangement position of the adjustment step 80b. Three adjustment protrusions 81c serving as adjustment portions are formed at equal intervals. As a result, when the adjustment member 81 is rotated around the attachment protrusion 80, the adjustment protrusion 81c is guided to steps having different heights by the adjustment step 80b.

  Further, as shown in FIG. 15, the adjustment member 81 is opened on the opposite side of the mounting projection 80 from the side facing the flange portion 80a, and a ring-shaped urging groove 81d into which an elastic member 82 such as a spring is inserted. Is formed. In the adjustment member 81, the back cover 71 is screwed to the cover fixing hole 20c, whereby the elastic member 82 is urged toward the mounting projection 80, and the adjustment step 80b and the adjustment protrusion 81c are brought into contact with each other. .

  Further, the adjustment member 81 is arranged on the main surface of the flange portion 81b opposite to the side facing the flange portion 80a of the mounting projection 80, with an adjustment jig or the like at substantially equal intervals around the axis of the inner peripheral surface of the insertion hole 81f. Two operation holes 81e into which are inserted are formed.

  In the present invention configured as described above, the shaft portion 81 a of the adjustment member 81 is engaged with the plurality of engaging pieces 44 formed on the peripheral edge portion of the base unit 6, and the mounting protrusion 80 is provided inside the engaging piece 44. Is inserted, the back cover 71 is screwed into the cover fixing hole 20c, and the adjustment member 81 is urged toward the attachment projection 80 by the elastic member 82, whereby the adjustment step 80b and the adjustment projection 81c are brought into contact with each other. After the base unit 6 is attached to the disc tray 5, the adjustment member 81 is rotated by a predetermined amount around the attachment protrusion 80, whereby the adjustment protrusion 81c is guided to the adjustment step 80b having a different height, and each adjustment The member 81 can adjust the clearance in the substantially vertical direction between the engagement piece 44 and the storage portion 15, and can adjust the inclination of the base unit 6 in the substantially vertical direction with respect to the storage portion 15. Since wear can be the optical disc 4 is prevented from the housing recess 12.

  Although the disk tray 5 has been described above as the base to which the base unit 6 is attached, the present invention may use a base other than the disk tray 5 as a base. For example, a fixed plate fixed to a housing or the like may be used instead of the moving plate as in the disk tray 5.

  Next, the disk drive device 90 in which the base unit 6 is attached to the back cover 91 serving as a mounting plate that covers the back surface of the disk tray 5 serving as a counter member will be described. Hereinafter, when the disk drive device 90 has the same configuration as the disk drive device 1 described above, the same reference numerals are given and the description thereof is omitted.

  The disk drive device 90 includes a device main body 3 which is an outer casing mounted in a drive bay, a disk tray 5 which is provided inside the device main body 3 and on which an optical disk 4 such as a DVD is placed, and which serves as an opposing member, A base unit 6 that is connected to the tray 5 and reproduces an information signal with respect to the optical disk 4 placed thereon, a back cover 91 that covers the back side of the disk tray 5 and is attached to the base unit 6 and serves as a mounting plate; Is provided.

  Here, since the apparatus main body 3 and the base unit 6 have the same configuration as that of the disk drive apparatus 1 described above, description thereof will be omitted.

  As shown in FIG. 16, the disc tray 5 has a predetermined screw hole 71 a formed therein, and from the front surface side of the base chassis 30 attached to the back surface cover 91, the back surface cover via the engaging piece 44 of the base chassis 30. A screw is formed in a cover fixing hole 20c, which is a screw hole formed on the upper surface of the mounting projection 92 projecting from 91. Around the screw hole 71a of the disc tray 5, there are formed adjustment holes 71b that allow the operation holes 22b of the support plate 22 to face the outside according to the positions of the operation holes 22b of the support plate 22 at substantially equal intervals. . The other configuration of the disk tray 5 has the same configuration as that of the disk drive device 1 described above, and thus the description thereof is omitted.

  When the base unit 6 is attached to the back cover 91 that covers the disc tray 5, the adjusting member 24 that adjusts the inclination of the base unit 6 in the substantially vertical direction with respect to the disc tray 5 is provided on the back cover 91 as shown in FIG. The holder 21 is inserted into each of the formed mounting protrusions 92, and the support plate 22 is coupled to the holder 21 with the engagement piece 44 of the base chassis 30 interposed therebetween.

  First, the mounting protrusion 92 through which the holder 21 is inserted will be described. A plurality of attachment projections 92 are formed on the back cover 91. Specifically, each of the attachment protrusions 92 is formed at substantially equal intervals so as to stably support the base unit 6 and cope with any inclination of the base unit 6 with respect to the storage portion 15. Each attachment projection 92 is formed with a cover fixing hole 20c which is a screw hole for fixing the back cover 91 to the storage portion 15 of the disk tray 5 with a screw 72 or the like on the upper surface. Further, the adjustment protrusions 20a, the protrusions 20b, the mark portions 20d, and the like are formed on the mounting protrusions 92, but the description thereof is omitted because it has the same configuration as that of the disk drive device 1 described above.

  Further, since the holder 21 and the support plate 22 have the same configuration as that of the disk drive device 1 described above, description thereof is omitted.

  Here, an attachment method for attaching the base unit 6 to the back cover 91 using the adjustment member 24 will be described.

  First, the holder 21 is inserted into the mounting protrusion 92 formed on the back cover 91 so that the mark notch portion 21f and the mark portion 20d formed around the mounting protrusion coincide with each other.

  Then, the holder 21 has a mounting protrusion until the reference mark notch portion 21g and the mark portion 20d formed around the mounting protrusion coincide with each other and the protrusion 20b and the engaging groove 21d are engaged to provide a click feeling. By rotating in the right direction in plan view about 92, the adjustment protrusion 20a is guided by the adjustment groove 21c and engaged with the second-stage groove.

  The insulator 23 is engaged and attached to each engagement piece 44 of the base chassis 30. And the attachment protrusion 92 with which the holder 21 was engaged is penetrated inside the engagement piece 44 with which the insulator 23 was engaged.

  The support plate 22 is inserted into the outer peripheral surface of the shaft portion 21 a of the holder 21. The base chassis 30 is sandwiched between the holder 21 and the support plate 22 by coupling the engagement recess 22 a of the support plate 22 with the engagement claw 21 e of the holder 21.

  The back cover 91 is fixed with screws 72 in the cover fixing holes 20c formed in the mounting protrusions 92 so that the operation holes 22b of the support plate 22 face the outside from the adjustment holes 71b.

  Next, when the base unit 6 is attached to the back cover 91 using the adjusting member 24 and the disk drive device 90 is assembled, the optical disk 4 and the storage recess 12 of the disk tray 5 are slid. However, since the same inspection as that of the disk drive device 1 described above is performed, the description thereof is omitted.

  Then, the adjuster is screwed to the surface side of the base chassis 30 in accordance with the adjustment amount in the substantially vertical direction with respect to the storage portion 15 of each engagement piece 44 of the specified base unit 6 by the above-described inspection apparatus or the like. A jig such as a metal rod is inserted into each operation hole 22 b of the support plate 22 of the adjustment member 24 engaged with the engagement piece 44 from the adjustment hole 71 b of the disc tray 5. The adjuster rotates the adjustment member 24 engaged with the engagement piece 44 by a predetermined amount in the predetermined rotation direction in accordance with the adjustment amount in the substantially vertical direction with respect to the storage portion 15 of each engagement piece 44 of the base unit 6. As a result, the substantially vertical clearance between the optical disc 4 and the disc tray 5 is adjusted.

  Here, in the case where the adjuster provides a substantially vertical clearance between the engagement piece 44 and the storage portion 15 larger than the current state, the adjuster 24 adjusts the attachment protrusion 20 with the adjustment member 24 engaged with the engagement piece 44. By rotating the mounting projection 20 in the left direction in plan view until the projection 20a is engaged with the engagement groove 21d of the holder 21 and a click feeling is given, the adjustment projection 20a is moved to the first step by the adjustment groove 21c. Guided by the groove, the adjustment member 24 approaches the storage portion 15 from the current state, and the clearance in the substantially vertical direction between the engagement piece 44 and the storage portion 15 can be greatly adjusted.

  On the other hand, when the adjuster provides a clearance in the substantially vertical direction between the engagement piece 44 and the storage portion 15 to be smaller than the current state, the adjustment member 24 engaged with the engagement piece 44 is given a click feeling. Until the mounting protrusion 20 is rotated to the right in plan view, the adjustment protrusion 20a is guided to the third-stage groove by the adjustment groove 21c, and the adjustment member 24 is moved away from the storage portion 15 from the current state, and the engagement piece 44 The clearance in the substantially vertical direction between the storage portion 15 and the storage portion 15 can be adjusted small.

  Then, the disk drive device 1 adjusted so that the optical disk 4 does not slide on the storage recess 12 is again inspected for checking whether or not the optical disk 4 and the storage recess 12 slide, and the optical disk 4 and the storage recess 12 are checked. Is not confirmed, it is mounted in the drive bay of the electronic device 2 such as a notebook personal computer.

  In the present invention configured as described above, the attachment protrusions 92 formed on the back cover 91 in which the holder 21 is already engaged are inserted into the plurality of engagement pieces 44 formed on the peripheral edge of the base unit 6. Then, the base unit 6 is attached to the back cover 91 by being coupled so that the engagement piece 44 is sandwiched between the holder 21 and the support plate 22, and then each holder 21 is centered on the attachment protrusion 92. By rotating a predetermined amount, the adjustment protrusion 20a is guided by the adjustment groove 21c having a different height, and the adjustment member 24 can adjust the clearance in the substantially vertical direction between the engagement piece 44 and the storage portion 15. In addition, since the inclination of the base unit 6 in the substantially vertical direction with respect to the storage portion 15 can be adjusted, the optical disk 4 can be prevented from sliding on the storage recess 12.

  Further, in the present invention, since the adjustment hole 71b is formed in the storage recess 12 so that the operation hole 22b of the support plate 22 faces the outside of the disk tray 5, without disassembling the disk drive device after the assembly is completed, A jig or the like is inserted into the operation hole 22b from the adjustment hole 71b, and each holder 21 is rotated by a predetermined amount around the attachment protrusion 20, whereby the adjustment protrusion 20a is guided by the adjustment groove 21c having a different height. Since the adjustment member 24 can adjust the clearance in the substantially vertical direction between the engagement piece 44 and the storage portion 15 and the inclination of the base unit 6 with respect to the storage portion 15 in the substantially vertical direction can be adjusted. 4 can be prevented from sliding into the storage recess 12.

  Further, according to the present invention, since at least three positions of the engagement pieces 44 of the base unit 6 can be adjusted independently, for each engagement piece 44, a substantially vertical direction between the engagement piece 44 and the storage portion 15 is provided. Since the clearance can be adjusted, the skew of the base unit 6 can be adjusted with respect to the disc tray 5.

  The disk drive devices 1 and 90 that transport the optical disk 4 using the disk tray 5 have been described above. However, the present invention automatically uses the roller member or the like without using the disk tray 5, for example. A so-called slot-in type disk drive device may be used.

  Therefore, the disk drive device 100 in which the base unit 6 is attached to the bottom case of the slot-in type disk drive device will be described next. Hereinafter, in the disk drive device 100, members having the same configurations as those of the disk drive device 1 described above are denoted by the same reference numerals and description thereof is omitted.

  As shown in FIG. 17, the disk drive device 100 is an outer casing mounted in the drive bay, and transports the optical disk 4 between the bottom case 101 serving as a mounting plate and the inside and outside of the bottom case 101. And a base unit for reproducing an information signal on the mounted optical disc 4. The roller transport mechanism 102 is a facing member opposite to the optical disc 4. The optical disc 4 is transported into the bottom case 101 by the roller transport mechanism 102. 6.

  The bottom case 101 serving as an outer casing mounted in the drive bay has a substantially rectangular box shape with an open upper surface, and is formed by, for example, being punched from a metal plate and subjected to processing such as drilling. Further, a roller transport mechanism 102 that transports the optical disc 4 across the inside and outside of the bottom case 101 is supported by the bottom case 101 so as to be rotatable about a rotation shaft 101a.

  A roller transport mechanism 102 that transports the optical disc 4 inside and outside the bottom case 101 includes a roller arm 103 that is rotatably supported around a rotation shaft 101 a of the bottom case 101, and a rotation shaft of the roller arm 103. And a conveyance roller 104 that is rotatably supported around 103a.

  The roller arm 103 rotatably supported around the rotation shaft 101a of the bottom case 101 rotates to the free end side in the in-plane direction of the optical disc 4 in a direction perpendicular to the insertion / removal direction of the optical disc 4. The conveying roller 104 is supported so as to be rotatable about the shaft 103a. When the optical disk 4 is not mounted on the disk table 31, the roller arm 103 faces the transport roller 104 over the transport area of the optical disk 4. When the optical disk 4 is transported into the bottom case 101, the roller arm 103 When the arm 103 is rotated in the direction of the arrow D1 in FIG. 17 about the rotation shaft 101a and is retracted from the conveyance area of the optical disc 4, the conveyance roller 104 is rotated when the optical disc 4 is conveyed out of the bottom case 101. The shaft 101a is rotated in the direction of arrow E1 in FIG.

  A transport roller 104 that is rotatably supported around a rotation shaft 103 a of the roller arm 103 is driven forward or reversely by a drive unit (not shown), and is opposed to an opposing roller 105 provided at an opposing position via the optical disk 4. Thus, the optical disk 4 is transported across the inside and outside of the bottom case 101 by being sandwiched and rotated.

  Here, since the base unit 6 has the same configuration as that of the disk drive device 1 described above, description thereof is omitted.

  When the base unit 6 is attached to the bottom case 101, the adjusting member 24 for adjusting the inclination of the base unit 6 in the substantially vertical direction with respect to the roller transport mechanism 102 is formed on each bottom case 101 as shown in FIG. The holder 21 is inserted through the mounting protrusion 106, and the support plate 22 is coupled to the holder 21 with the engagement piece 44 of the base chassis 30 interposed therebetween.

  First, the mounting protrusion 106 through which the holder 21 is inserted will be described. A plurality of attachment protrusions 106 are formed on the bottom case 101. Specifically, three mounting protrusions 106 are formed at substantially equal intervals so as to stably support the base unit 6 and to cope with any inclination of the base unit 6 with respect to the roller transport mechanism 102. Further, each of the attachment protrusions 106 is formed with an adjustment protrusion 20a, a protrusion 20b, a mark part 20d, and the like. Since the structure is the same as that of the disk drive device 1 described above, description thereof is omitted. Further, since the holder 21 and the support plate 22 have the same configuration as that of the disk drive device 1 described above, description thereof is omitted.

  Here, an attachment method for attaching the base unit 6 to the bottom case 101 using the adjustment member 24 will be described. First, the holder 21 is inserted into the mounting protrusion 106 formed on the bottom case 101 so that the mark notch portion 21f and the mark portion 20d formed around the mounting protrusion 106 coincide with each other. The holder 21 is mounted until the reference mark notch 21g and the mark 20d formed around the mounting protrusion 106 are aligned and engaged with the protrusion 20b and the engaging groove 21d to provide a click feeling. The adjustment protrusion 20a is guided by the adjustment groove 21c and engaged with the second-stage groove by being rotated about the protrusion 106 in the right direction in plan view. The insulator 23 is engaged and attached to each engagement piece 44 of the base chassis 30. And the attachment protrusion 106 with which the holder 21 was engaged is penetrated inside the engagement piece 44 with which the insulator 23 was engaged. The support plate 22 is inserted into the outer peripheral surface of the shaft portion 21 a of the holder 21. The base chassis 30 is sandwiched between the holder 21 and the support plate 22 by coupling the engagement recess 22 a of the support plate 22 with the engagement claw 21 e of the holder 21.

  Next, when the base unit 6 is attached to the bottom case 101 using the adjusting member 24 and the disk drive device 100 is assembled, next, it is inspected whether the optical disk 4 and the roller transport mechanism 102 are slid. Is done.

  First, in the disk drive device 100, an inspection device is connected to the connector of the circuit board 7, and the disk table 31 and the optical pickup device 32 can be driven.

  As shown in FIG. 17, the disk drive device 100 includes, for example, an inspection optical disk 4 inserted through an insertion / removal opening (not shown) and conveyed to the inside by the roller conveyance mechanism 102, and the conveyance roller 104 is conveyed in the conveyance area of the optical disk 4. The disk pressing plate 107 made of metal provided at a position facing the disk table 31 is magnetically attracted to the disk table 31 in a state of being retracted from the disk table 31, and the optical disk 4 is mounted on the disk table 31 and the disk pressing plate 107. Then, the spindle motor is driven by the inspection device, and the optical disk 4 is rotated integrally with the disk table 31 and the disk pressing plate 107.

  In the disk drive device 100, the optical pickup device 32 collects and irradiates the light beam emitted from the light source on the optical disk 4 rotated by the disk table 31 and the disk holding plate 107 with the objective lens 46. The return light beam reflected by the optical disc 4 is detected by a photodetector, and the surface signal is detected by an inspection device using the output signal from the optical pickup device 32, or by visual inspection or the like. The presence / absence, location, degree, etc. of sliding between the optical disc 4 and the roller transport mechanism 102 are specified.

  In addition, when it is confirmed that the disc drive device 100 is slid between the optical disc 4 and the roller transport mechanism 102, the adjustment amount is specified by the inspection device in the same manner as the disc drive device 1 described above. .

  Then, the adjuster engages from the upper surface opening of the bottom case 101 according to the adjustment amount in the substantially vertical direction with respect to the roller transport mechanism 102 of each engagement piece 44 of the base unit 6 specified by the above-described inspection apparatus or the like. A jig such as a metal rod is inserted into each operation hole 22 b of the support plate 22 of the adjustment member 24 engaged with the piece 44. Then, the adjuster moves the adjustment member 24 engaged with the engagement piece 44 by a predetermined amount in the predetermined rotation direction according to the adjustment amount of the engagement pieces 44 of the base unit 6 in the substantially vertical direction with respect to the roller transport mechanism 102. By rotating, the substantially vertical clearance between the optical disk 4 and the roller transport mechanism 102 is adjusted.

  Here, when the adjuster provides a clearance in the substantially vertical direction between the engagement piece 44 and the roller transport mechanism 102 to be larger than the current state, the adjuster 24 moves the adjustment member 24 engaged with the engagement piece 44 to the attachment protrusion 106. The adjustment protrusion 20a is rotated to the left in plan view around the attachment protrusion 106 until the adjustment protrusion 20a is engaged with the engagement groove 21d of the holder 21 and a click feeling is applied, so that the adjustment protrusion 20a is moved to the first step by the adjustment groove 21c. The adjustment member 24 is separated from the bottom case 101 from the current state, and the clearance in the substantially vertical direction between the engagement piece 44 and the roller transport mechanism 102 can be greatly adjusted.

  On the other hand, when the adjuster provides a clearance in the substantially vertical direction between the engagement piece 44 and the roller transport mechanism 102 smaller than the current state, the adjuster 24 engaged with the engagement piece 44 is given a click feeling. Until the mounting protrusion 106 is rotated to the right in plan view, the adjustment protrusion 20a is guided to the third-stage groove by the adjustment groove 21c, and the adjustment member 24 approaches the bottom case 101 from the current state, and the engagement piece The clearance in the substantially vertical direction between 44 and the bottom case 101 can be adjusted small.

  Then, the disk drive device 100 adjusted so that the optical disk 4 does not slide on the roller transport mechanism 102 is again inspected to check whether the optical disk 4 and the roller transport mechanism 102 slide, and the optical disk 4 and the roller When sliding with the transport mechanism 102 is not confirmed, it is mounted in the drive bay of the electronic device 2 such as a notebook personal computer.

  In the present invention configured as described above, the attachment protrusions 106 formed on the bottom case 101 in which the holder 21 is already engaged are inserted into the plurality of engagement pieces 44 formed on the peripheral edge of the base unit 6. The base unit 6 is attached to the bottom case 101 by being coupled so that the engagement piece 44 is sandwiched between the holder 21 and the support plate 22, and then each holder 21 is centered on the attachment protrusion 106. The adjustment protrusion 20a is guided by the adjustment grooves 21c having different heights by being rotated by a predetermined amount, and the substantially vertical clearance between the engagement piece 44 and the roller transport mechanism 102 is adjusted by each adjustment member 24. The inclination of the base unit 6 with respect to the roller transport mechanism 102 in the substantially vertical direction can be adjusted, so that the optical disk 4 slides on the roller transport mechanism 102. It is possible to prevent.

  Further, according to the present invention, each holder 21 of the adjustment member 24 attached to the engagement piece 44 is rotated by a predetermined amount around the attachment protrusion 106, whereby the adjustment protrusion 20a is guided to the adjustment groove 21c having a different height. The adjustment member 24 can adjust the clearance in the substantially vertical direction between the engagement piece 44 and the roller transport mechanism 102, and can adjust the inclination of the base unit 6 in the substantially vertical direction with respect to the roller transport mechanism 102. Therefore, the tilt of the base unit 6 with respect to the storage portion 15 can be adjusted without disassembling the disk drive device 100 after completion of the assembly, so that the optical disk 4 is prevented from sliding on the roller transport mechanism 102. be able to.

  In the above description, the roller transport mechanism 102 is used as the opposing member to adjust the inclination of the base unit 6 in the substantially vertical direction. However, the present invention is not limited to this, and the optical disc 4 is placed in the bottom case 101. Any member may be used as long as it is a facing member that faces the optical disk 4 when being transported and rotated by the disk table 31. For example, as the counter member, an arm transport mechanism including an arm member that transports the optical disk 4 into the bottom case 101, a slide member or a rotation member used in a roller transport mechanism 102, an arm transport mechanism, other mechanisms or devices, and the like. Or a drive motor that drives a slide member, a rotation member, or the like, or a gear that transmits the force of the drive motor to the slider member, the rotation member, or the like.

  Although the disk drive devices 1, 90, 100 mounted on the notebook personal computer have been described above, the present invention is not limited to this, and the disk drive devices 1, 90, 100 are not limited to this. It can be mounted on an electronic device such as a portable disc player, a stationary disc player, or a camcorder or printer using an optical disc as a recording medium. Further, the present invention may be fixed to an electronic device or may be detachable from a drive bay.

1 is a perspective view showing a notebook personal computer equipped with a disk drive device according to the present invention. FIG. 1 is an exploded perspective view showing a disk drive device according to the present invention. It is a perspective view which shows a disc tray. It is a bottom view showing a disc tray. It is a top view which shows the base unit which concerns on this invention. It is a back view exploded perspective view showing an adjustment member concerning the present invention. It is a back view partial cross section side view which shows the adjustment member which concerns on this invention. It is the back surface perspective view which showed the state by which an adjustment holder member is inserted in an adjustment protrusion. It is the back surface perspective view which showed the state by which the adjustment holder member was inserted in the adjustment protrusion. It is the back surface perspective view which showed the state by which the insulator was engaged with the base chassis. It is the back surface perspective view which showed the state which penetrates the attachment protrusion by which the adjustment holder member was engaged with the engagement piece with which the insulator was engaged. It is the back surface perspective view which showed the state which clamped the base chassis with the adjustment holder member and the support plate. It is the back surface perspective view which showed the state which attached the bottom cover member so that the rotation hole of a support plate may face outside from an adjustment hole. It is the reverse surface perspective view which showed the other Example of the adjustment member. It is the back surface section perspective view showing other examples of an adjustment member. It is a disassembled perspective view which shows the adjustment member which concerns on this invention. It is a partial cross section side view which shows the other disk drive apparatus based on this invention. It is a disassembled perspective view which shows the adjustment member which concerns on this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Disc drive device, 2 Electronic equipment, 3 Apparatus main body, 3a Back wall, 3b Side wall, 3c Side wall, 4 Optical disk, 5 Disc tray, 5a Front surface, 5b Main surface, 5c Back surface, 5d Back surface, 6 Base unit, 7 Circuit board 8, guide rail, 9 guide member, 10 stopper piece, 11FPC, 12 storage recess, 13 opening, 14 storage wall, 15 storage section, 16 holding mechanism, 17 guide projection, 20 mounting projection, 20a adjustment projection, 20b projection Part, 20c cover fixing hole, 20d mark part, 21 holder, 21a shaft part, 21b flange part, 21c adjustment groove, 21d engagement groove, 21e engagement claw, 21f mark notch part, 21g reference mark notch part, 21h insertion hole , 21i insertion groove, 22 support plate, 22a shaft portion, 22b flange portion, 22c engagement recess, 2d operation hole, 23 insulator, 24 adjustment member, 30 base chassis, 31 disk table, 32 optical pickup device, 33 pickup transport mechanism, 34 guide shaft, 35 guide shaft, 41 opening, 42 notch, 43 motor opening , 44 engaging piece, 45 pickup base, 46 objective lens, 47 insertion hole, 48 engaging piece, 49 housing, 50 rack member, 60 lead screw, 61 motor, 70 front cover, 71 back cover, 71a screw hole, 71b Adjustment hole, 72 screw, 73 opening, 73a rectangular opening, 73b circular opening, 80 mounting protrusion, 80a flange, 80b adjustment step, 81 adjustment member, 81a shaft, 81b flange, 81c adjustment protrusion, 81d Energizing groove, 81e operation hole, 81f insertion Hole, 82 Elastic member, 90 Back cover, 91 Mounting protrusion, 101 Bottom case, 102 Roller conveying mechanism, 103 Roller arm, 104 Conveying roller, 105 Opposing roller, 106 Mounting protrusion, 107 Disc holding plate

Claims (19)

A base unit provided with a table on which an optical recording medium is mounted, and an optical pickup that detects the return light reflected by irradiating the optical recording medium mounted on the table with a light beam;
An opening to which the base unit is attached is formed, and a base that faces the optical recording medium in proximity to and substantially parallel to the optical recording medium mounted on the table,
An adjustment member that adjusts the inclination of the base unit in a substantially vertical direction with respect to the base when the base unit is attached to the opening of the base;
The base unit has a plurality of engagement pieces on the peripheral edge,
The adjustment member is engaged with the engagement piece, and an attachment protrusion formed on the base is inserted into the adjustment member engaged with the engagement piece, thereby being attached to the opening of the base.
The adjustment member is an adjustment that adjusts an inclination of the base unit in a substantially vertical direction with respect to the base by rotating a predetermined amount around the attachment protrusion after the base unit is attached to the opening of the base. An optical recording medium driving device characterized by having a unit.   2. The optical recording medium driving device according to claim 1, wherein the base is a disc tray. An adjustment protrusion is formed on the outer peripheral surface of the mounting protrusion,
The adjustment member is engaged with the adjustment protrusion on the side surface to adjust the inclination of the base unit in the substantially vertical direction with respect to the base, and the adjustment member serves as an adjustment portion to be inclined with respect to the axis of the attachment protrusion. The optical recording medium driving device according to claim 1, wherein a groove is formed.   4. The optical recording medium driving device according to claim 3, wherein the adjustment groove has a step shape.   2. The optical recording medium drive according to claim 1, wherein the mounting projection and the adjustment member are each provided with a protruding portion and the other is formed with an engaging groove with respect to the protruding portion. apparatus. A back cover is attached to the back of the base,
The adjustment member is formed with an operation hole for integrally rotating the adjustment member.
2. The optical recording medium driving device according to claim 1, wherein an adjustment hole is formed in the back cover so that the operation hole faces the outside of the back cover. The adjustment member has a holder in which a flange portion is formed at one end portion of the shaft portion, and a support plate provided at the other end portion of the holder,
2. The optical recording according to claim 1, wherein the shaft portion is engaged with the engagement piece, and the holder and the support plate are coupled to each other with the engagement piece interposed therebetween and attached to the engagement piece. Medium drive device. An engagement claw is formed at the tip of the shaft portion of the holder, and an engagement recess that is engaged with the engagement claw is formed on the support plate.
The holder and the support plate are integrated by engaging the shaft portion with the engagement piece and engaging the engagement claw with the engagement recess with the engagement piece interposed therebetween. The optical recording medium driving device according to claim 7.   2. The optical recording medium driving device according to claim 1, wherein an insulator is engaged with the engagement piece, and the attachment protrusion is inserted into an insertion hole of the insulator.   2. The optical recording medium driving device according to claim 1, wherein the base unit is supported by the base at at least three points. The adjustment member has a plurality of adjustment projections formed on one end surface to be the adjustment portion,
The mounting protrusion is formed with a flange portion facing the adjustment protrusion, and the flange portion has a plurality of adjustment steps having different steps around the axis of the attachment protrusion engaged with the adjustment protrusion. The optical recording medium driving device according to claim 1, wherein the optical recording medium driving device is formed.   12. The optical recording medium driving device according to claim 11, wherein the adjustment member is urged in the direction of the attachment protrusion by an elastic member, whereby the adjustment protrusion and the adjustment step are brought into contact with each other.   A base unit provided with a table on which an optical recording medium is mounted, and an optical pickup that detects a return light reflected by irradiating the optical recording medium mounted on the table with a light beam; When the base unit is attached to the opening of the base, an opening to which the base unit is attached is formed, and the surface side of the base unit faces the optical recording medium in close proximity to the optical recording medium mounted on the table. And an adjustment member that adjusts the inclination of the base unit in a substantially vertical direction with respect to the base. The base unit has a plurality of engagement pieces on a peripheral edge thereof, and the adjustment member is engaged with the engagement pieces. And by attaching an attachment protrusion formed on the base to the adjustment member engaged with the engagement piece, the attachment member is attached to the opening of the base. The adjustment member is an adjustment that adjusts the inclination of the base unit in a substantially vertical direction with respect to the base by rotating the base unit by a predetermined amount around the attachment protrusion after the base unit is attached to the opening of the base. An electronic apparatus on which an optical recording medium driving device having a section is mounted. In an adjustment method for adjusting the inclination of the base unit in a substantially vertical direction with respect to the base,
The base unit includes a table on which an optical recording medium is mounted, and an optical pickup that detects return light reflected by irradiating the optical recording medium mounted on the table with a light beam. And
The base has a surface side facing the optical recording medium in close proximity to the optical recording medium mounted on the table, and an opening to which the base unit is attached is formed.
In the adjusting method, when the base unit is attached to the opening of the base, an inclination of the base unit in a substantially vertical direction with respect to the base is adjusted to a plurality of engagement pieces formed on a peripheral portion of the base unit. The base unit is attached to the opening of the base by engaging the adjustment member and inserting the attachment protrusion formed on the base into the adjustment member engaged with the engagement piece.
After the base unit is attached to the opening of the base, the adjustment member engaged with the engagement piece is rotated by a predetermined amount around the attachment protrusion, thereby the adjustment unit formed on the adjustment member. An adjustment method comprising adjusting an inclination of the base unit in a substantially vertical direction with respect to the base. A base unit provided with a table on which an optical recording medium is mounted, and an optical pickup that detects the reflected light reflected by irradiating the optical recording medium mounted on the table with a light beam;
A facing member facing the optical recording medium in proximity to the optical recording medium mounted on the table on the front side;
A mounting plate on which the opposing member is supported and the base unit is mounted;
An adjustment member that adjusts the inclination of the base unit in a substantially vertical direction with respect to the opposing member when the base unit is attached to the attachment plate;
The base unit has a plurality of engagement pieces on the peripheral edge,
The adjustment member is engaged with the engagement piece, and the attachment member formed on the attachment plate is inserted into the adjustment member engaged with the engagement piece, thereby being attached to the attachment plate.
The adjustment member is an adjustment unit that adjusts an inclination of the base unit in a substantially vertical direction with respect to the opposing member by being rotated a predetermined amount around the attachment protrusion after the base unit is attached to the attachment plate. An optical recording medium driving device comprising: The opposing member is a disc tray,
16. The optical recording medium driving device according to claim 15, wherein the mounting plate is a back cover that covers the back surface of the disc tray.   The optical recording medium driving device according to claim 15, wherein the mounting plate is a bottom case.   A base unit provided with a table on which an optical recording medium is mounted, an optical pickup that detects reflected light reflected by irradiating the optical recording medium mounted on the table with a light beam, and a surface side A counter member facing the optical recording medium in proximity to the optical recording medium mounted on the table, a mounting plate on which the counter member is supported and to which the base unit is mounted, and the base unit as the mounting plate An adjustment member that adjusts the inclination of the base unit in a substantially vertical direction with respect to the facing member when the base unit is attached, and the base unit has a plurality of engagement pieces on a peripheral edge, and the adjustment is performed on the engagement piece. The member is engaged, and the attachment member formed on the attachment plate is inserted into the adjustment member engaged with the engagement piece, thereby being attached to the attachment plate, The adjusting member includes an adjusting unit that adjusts an inclination of the base unit in a substantially vertical direction with respect to the opposing member by being rotated by a predetermined amount around the mounting protrusion after the base unit is mounted on the mounting plate. An electronic device on which an optical recording medium driving device is mounted. In the adjustment method for adjusting the inclination in the substantially vertical direction with respect to the opposing member of the base unit,
The base unit includes a table on which an optical recording medium is mounted, and an optical pickup that detects return light reflected by irradiating the optical recording medium mounted on the table with a light beam. And
The facing member is opposed to the optical disc in the vicinity of the optical recording medium mounted on the table on the surface side,
The mounting plate is supported by the opposing member, and the base unit is mounted.
In the adjusting method, when the base unit is attached to the mounting plate, the plurality of engaging pieces formed on the peripheral edge of the base unit adjust the inclination of the base unit in the substantially vertical direction with respect to the facing member. The base unit is attached to the attachment plate by engaging the adjustment member and inserting the attachment protrusion formed on the attachment plate into the adjustment member engaged with the engagement piece.
After the base unit is attached to the attachment plate, the adjustment member engaged with the engagement piece is rotated by a predetermined amount around the attachment protrusion, whereby an adjustment part formed on the adjustment member An adjustment method comprising adjusting an inclination of the base unit in a substantially vertical direction with respect to the facing member.

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