JP2006004622A - Recording and/or reproducing apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To prevent a closed locking state of an upper panel from being released by twist or the like. <P>SOLUTION: The recording and/or reproducing apparatus 1 is provided with: a casing type apparatus main body 2 whose upper surface side is opened; a mechanical deck part 4 provided in the inside of the apparatus main body 2 and reproducing information from a recording medium; a casing type cover 5 freely rockably provided on a base end side of the apparatus main body 2 and having an engaging body 9 provided on the tip side thereof; a locking body 8 provided at the apparatus main body 2 and locking the lid body 2 in a closing state by locking the engaging body 9; and a rib 2d protrusively provided in an edge part of the tip side of an upper surface opening part 2b of the apparatus main body 2 and in a position near to the engaging body 9 at the time when the cover 5 is closed and functioning as a stopper of the engaging body 9 to prevent release of locking. When the cover 5 is in a closed state, the engaging body 9 is disposed between the locking body 8 and the rib 2d and the clearance L between the engaging body 9 and the rib 2d is set to be shorter than the distance S at which the engaging body 9 is unlocked from the locking body 8. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a recording and / or reproducing apparatus such as a portable small-sized disk player apparatus using a magneto-optical disk as a recording medium.

For example, a small-sized disk player device capable of recording and reproducing using a magneto-optical disk is known. In this small disk player device, a spindle motor for rotating a magneto-optical disk as a recording medium (recording medium), an optical pickup for reproduction, and a magnetic field modulation overwrite head for recording in a casing-shaped apparatus body whose upper surface is opened. A mechanical deck portion including a magnetic head of a system is disposed via a set chassis. In addition, an upper lid as a housing-type lid body having a bottom surface opened with respect to the upper surface opening of the apparatus main body is provided to be openable and closable. When the upper lid is opened, a casing-shaped disk cassette made of synthetic resin containing the magneto-optical disk is held on the upper lid side via a cassette holder. Further, the closed state of the upper lid includes a claw portion of a lock arm (engagement body) provided on the apparatus main body side, and an open locker (engagement body) provided on the upper lid side to engage and disengage the claw portion of the lock arm. It comes to be locked with. (For example, Patent Document 1)
When the upper lid is closed with the disk cassette held in the cassette holder, the magneto-optical disk in the disk cassette is mounted on the turntable rotated by the spindle motor, and the information recorded on the magneto-optical disk is optically recorded. It is played back via a pickup or the like. Further, by sliding a recording button provided on the side surface of the apparatus main body, input information from an external microphone or the like is recorded on the magneto-optical disk via a magnetic head or the like.
JP-A-4-38897

  In the above-described conventional small-sized disc player device, the open locker on the upper lid side and the lock arm on the device body side are provided in a portion that cannot be visually seen from the outside. Although it can be released by sliding the button, the lock arm and the open locker cannot be placed on the part that cannot be seen from the outside due to changes in the location of the operation buttons such as the play button. If the small disc player device is twisted in the horizontal direction etc. with the upper lid closed, there is a risk that the closed lock state of the upper lid may come off, and if the small disc player device is accidentally dropped, etc. There is a possibility that the upper lid is unlocked and the upper lid, the set chassis in the apparatus main body and the like are deformed or damaged.

  Accordingly, the present invention provides a recording and / or reproducing apparatus that can reliably prevent the lid from being closed and released from the closed state due to twisting, or the lid or the apparatus main body from being broken due to dropping or the like.

A chassis-shaped device main body with an opening on the upper surface side, a mechanical deck provided inside the device main body for reproducing information from a recording medium, and swingably provided on the base end side of the device main body and formed in a housing shape The lid body is closed by opening the side facing the top opening of the apparatus body and having an engagement body provided on the tip side, and engaging the engagement body provided on the apparatus body. A locking body that locks in a state, and an edge portion on the tip end side of the upper surface opening of the apparatus main body, which protrudes at a position close to the engagement body when the lid body is closed, and In a recording and / or reproducing device provided with a rib that functions as a stopper of the engaging body and prevents unlocking,
When the lid is in a closed state, the engagement body is disposed between the locking body and the rib, and the engagement body engages with the clearance between the engagement body and the rib from the locking body. It was set smaller than the distance to leave.

  Further, in the recording and / or reproducing apparatus, the apparatus main body is formed of a synthetic resin, and the rib is integrally protruded from the edge of the upper surface opening of the apparatus main body toward the engaging body side of the lid.

  In the closed lock state of the lid, that is, with the locking body on the apparatus main body side and the engagement body on the lid side engaged, and the closed state of the lid is locked, the recording and / or reproducing device is twisted in the lateral direction, etc. When the locking body on the apparatus main body side is displaced in the direction of disengaging from the engaging body on the lid body side, that is, in the disengagement direction, before the locking body is disengaged from the engaging body, the engaging body hits the rib of the apparatus main body and While preventing further displacement, further deformation of the lid is prevented. That is, since the rib functions as a stopper of the engaging body, the engagement state between the locking body and the engaging body is not released. Further, even if the recording and / or reproducing apparatus is accidentally dropped, the engaging body of the lid does not hit the rib of the apparatus main body, and the engagement state of the engaging body and the engaging body is not released. Excessive damage is reliably prevented. Further, when the lid is opened, the ribs serve as a blindfold for the mechanical deck, so that the overall appearance of the apparatus is good. Further, since the rib is integrally projected from the edge of the upper surface opening of the apparatus main body toward the engaging body side of the lid body, the number of parts can be reduced as compared with the case where the rib is attached to the apparatus main body. Can be achieved.

  Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.

  1 to 3, reference numeral 1 denotes a portable compact disc player device (recording and / or reproducing device) capable of recording and reproducing. The apparatus main body 2 of the small-sized disc player apparatus 1 is formed in a synthetic resin casing having an opening on the upper surface side other than the operation unit 2a located on the right side of the upper surface. A mechanical deck unit 4 for recording / reproducing information on a magneto-optical disk D having a diameter of, for example, 64 mm as a recording medium (recording medium) is disposed in the casing-type apparatus main body 2 via a metal and frame-shaped set chassis 3. And an upper panel (lid body) 5 made of a synthetic resin having a bottom surface opened with respect to the upper surface opening 2b of the apparatus main body 2 is pivotally supported on the left and right side walls of the set chassis 3. It can be opened and closed freely through a pair of fulcrum plates 6 and 7. The closed state of the upper panel 5 is such that the hook-shaped claw portion 8a of the lock arm (locking body) 8 slidably provided inside the front wall portion of the set chassis 3 is on the inner surface side of the front wall of the upper panel 5. It is locked by being engaged (locked) with an engaging portion 9a at the center of an open locker (engaging body) 9 made of a synthetic resin and fixed in position by welding or the like.

  As shown in FIGS. 1 to 3, a decorative band portion 2 c is formed so as to protrude from the right side of the housing-type apparatus main body 2 to the front and the upper part of the left side. Further, a rib 2d is integrally formed so as to protrude upward from the approximate center of the front edge of the upper surface opening 2b of the apparatus main body 2 so as to be close to the left side surface 9b of the open rocker 9 on the left end side. It is. As shown in FIG. 3, the clearance (gap) L between the right side surface of the rib 2d and the left side surface 9b of the open rocker 9 is set to, for example, L = 0.2 to 0.5 mm, and the claw of the lock arm 8 The distance S at which the portion 8a is engaged (locked) with the engaging portion 9a of the open rocker 9, paradoxically speaking, is smaller than the distance at which the engagement is disengaged (for example, S = 1.3 mm) (L <S). Due to this difference distance S (eg, SL = 1.1 to 0.8 mm), the upper panel 9 is closed and locked even if the set (small disc player device 1) is twisted in the lateral direction indicated by the arrow X in FIG. (Locking state of the claw portion 8a of the lock arm 8 and the engagement portion 9a of the open rocker 9) is not released, that is, the engagement of the claw portion 8a of the lock arm 8 and the engagement portion 9a of the open rocker 9 is not released. It is like that. Further, as shown in FIG. 2, operation buttons 10 such as a play button, a fast-forward button, and a rewind button are arranged on the operation portion 2 a protruding from the upper right side of the apparatus main body 2.

  As shown in FIG. 4, the set chassis 3 includes a main chassis 3 </ b> A made of a metal plate formed in a plane U shape with a front wall portion 3 a, a left side wall portion 3 b and a rear wall portion 3 c, and the main chassis 3 </ b> A. It comprises a sub-chassis 3B made of a metal plate that is caulked and fixed to the right side of the front and rear wall portions 3a, 3c, and is formed in a L-shaped cross section at the right side wall portion 3d and the upper surface piece portion 3e. Screwed to the inner surface of the apparatus body 2. Horizontal bent pieces 15 are provided at right angles to the respective wall portions at the left side of the inner wall lower side of the front wall portion 3a and the rear wall portion 3c of the set chassis 3 and at both ends of the lower surface of the inner surface of the right wall portion 3d. Each is bent inside. In addition, a vertical bent piece 16 and the like are bent inwardly at the approximate center of the rear wall 3c of the set chassis 3, and a metal shaft 17 as a stopper is provided on the lower left side of the inner surface of the rear wall 3c. It is fixed by caulking. The shaft 17 is formed in a cylindrical shape with a step between a small diameter portion 17a and a large diameter portion 17b, and as shown in FIGS. 5 and 8, a base portion 17c of the shaft 17 is formed on the rear wall portion 3c. It is fixed by caulking to the mounting hole 3f.

  As shown in FIG. 8, on each of the four horizontal bending pieces 15 of the set chassis 3, the mechanical chassis 20 of the mechanical deck portion 4 is connected to a rod 21 passing through a hole 15a of each horizontal bending piece 15 and a rubber damper. 22 and the compression coil spring 23 are attached so as to float in the air so that external forces such as vibration and impact force at the time of dropping can be absorbed. The mechanical chassis 20 is pressed from above by a metal leaf spring 24, and the lower end 20a of the bent portion bent downward on the left end side of the mechanical chassis 20 is a small diameter portion of the shaft 17. A predetermined clearance (for example, 0.8 mm) is provided between the outer peripheral surface of 17a and the front surface of the large diameter portion 17b.

  As shown in FIG. 8, the mechanical deck unit 4 includes the mechanical chassis 20, a turntable 26 that is attached to the approximate center of the mechanical chassis 20 via a spindle motor 25 and the like, and rotates the magneto-optical disk D; A reproducing optical pickup 28 provided in the radial direction below the magneto-optical disk D via a guide shaft 27a and a feed screw 27b and the like, and a magneto-optical device in synchronism with the reciprocating movement of the optical pickup 28. The recording head is composed of a magnetic head 29 of a magnetic field modulation overwrite head type for recording provided so as to reciprocate in the radial direction above the disk D.

  As shown in FIGS. 4 and 5, a metal fulcrum plate 6 on the left side is supported on the inner rear portion of the left side wall 3 b of the set chassis 3 via a pin 30 so as to be swingable in the vertical direction. The fulcrum plate 6 is configured such that its upper swinging position is regulated through an arc-shaped long hole 6a, a pin 31, and a protruding portion 6b. Further, as shown in FIG. 6, the right metal fulcrum plate 7 is supported on the inner rear portion of the right side wall 3 d of the set chassis 3 via a pin 32 so as to be swingable in the vertical direction. The fulcrum plate 7 is restricted in its upper swinging position through an arc-shaped long hole 7a, a pin 33, and a protruding portion 7b. A plurality of screw holes 6c, 7c are formed on the distal end side and the proximal end side of the pair of fulcrum plates 6, 7, and the upper panel 5 is shown in FIG. 3 through the screw holes 6c, 7c. It is fastened and fixed via a screw 34.

  As shown in FIGS. 4 and 7, a pair of holes formed in the body portion 8 b of the lock arm 8 via a pair of pins 35, 35 at the approximate center of the inner surface of the front wall portion 3 a of the set chassis 3. 8c and 8c are slidably supported. The lock arm 8 is biased to the left side via a tension coil spring 36 so that the left end 8d side of the body 8b of the lock arm 8 is slightly exposed from the rectangular hole 3g formed in the front wall 3a. It has become. Further, an open lever 37 is slidably slidably supported on the left side of the outer surface of the front wall portion 3a of the set chassis 3 (a shaft portion by this staking support is indicated by reference numeral 38 in FIGS. 4 and 7). The open lever 37 is urged to the left side via a tension coil spring 39, and the inner bent portion 37a on the upper right side of the open lever 37 is inserted into a rectangular hole 3g formed in the front wall portion 3a. ing. An outer bent portion 37b on the lower right side of the open lever 37 is connected to an open button 11 slidably provided on the front left side of the apparatus body 2, and the open button 11 is pulled against the urging force of the coil spring 39. When it is slid to the right side, the lock arm 8 is moved to the right side (the direction in which the locked state is released) via the inner bent portion 37a of the open lever 37 and the like. Further, during recording and reproduction, a hold button 12 slidably provided on the left side surface of the apparatus main body 2 is slid forward. As a result, the tip end 40a of the hold lever 40 linked to the hold button 12 is moved from the left end 8d of the body 8b of the lock arm 8 in the rectangular hole 3g to the inside of the open lever 37 as shown by the arrow in FIG. The open button 11 cannot be slid by being inserted between the bent portion 37a.

  Further, as shown in FIGS. 4 and 7, a recording lever 41 and a battery detection lever 42 are slidably supported on both end sides of the inner surface of the front wall portion 3a of the set chassis 3 (the staking support). Are indicated by reference numerals 43 and 44 in FIG. 7, respectively). The levers 41 and 42 are urged to the left side via tension coil springs 45 and 46, and the outer bent portion 41a on the lower right end side of the recording lever 41 is a rectangular hole formed in the front wall portion 3a. The bent portion 42a at the left end of the battery detection lever 42 is exposed to the outside from below the left side wall portion 3b. The outer bent portion 41a below the right end of the recording lever 41 is connected to a recording button 13 slidably provided on the front right side of the apparatus main body 2. The recording button 13 is pulled and resists the biasing force of the coil spring 45. When it is slid rightward, a recording switch (not shown) is turned on so that information is recorded on the magneto-optical disk D. Further, as shown in FIG. 1, a bent portion 42a at the left end of the battery detection lever 42 is connected to a battery detection button 14 provided on the front side of the left side surface of the apparatus main body 2 so as to be freely operated. When the button 14 is pushed backward against the urging force of the pulling coil spring 46, the liquid crystal display (display unit) 5a provided on the front side of the upper panel 5 is stored in the battery storage unit 2h of the apparatus body 2. The remaining battery capacity of the AA primary battery 47 is displayed.

  As shown in FIG. 1, a small-diameter round hole 2 i is formed in the approximate center of the left side surface of the apparatus body 2. A screw hole 3i is formed in the left side wall 3b of the set chassis 3 facing the round hole 2i. The screw hole 3i is exposed to the round hole 2i by being threaded by tapping after making a hole in the approximate center of the left side wall 3b by burring. A synthetic resin-made case-type battery case (external part) 50 is detachably attached to the screw hole 3i through a metal screw 52 made of synthetic resin and fixed to the center of a disc-shaped rotating plate 51. It can be mounted on. Further, at the position facing the screw hole 3i of the left side wall portion 3b of the set chassis 3, the blinded piece 3j is integrated by extending the lower edge side of the screw hole 3i of the left side wall portion 3b and bending it 180 ° inward. Protrusions are formed. The screw hole 3i is covered from the inner side by the tip 3k of the blindfold 3j. Furthermore, as shown in FIGS. 10 (a) and 10 (b), the wall thickness t on the side facing the screw hole 3i of the tip 3k of the blindfold 3j is thinner than the other parts (the thickness of the other parts is smaller). For example, in the case of 0.6 mm, it is formed by pressing or the like so as to have a substantially disk shape of t = 0.2 mm).

  Note that a battery such as a lithium ion rechargeable battery (secondary battery) (not shown) that can be charged by opening the lid 53 is accommodated in the case-type battery case 50. As shown by the two-dot chain line in FIG. 1, the magneto-optical disk D is rotatably housed in a synthetic resin disk cassette K. It is held by a metal cassette holder 19 that swings in the vertical direction via fulcrum plates 6, 7 and the like, and is attached to the turntable 26.

  According to the small disk player device 1 of the above embodiment, as shown by the two-dot chain line in FIG. 1, the upper panel 5 is opened, and the disk cassette K containing the magneto-optical disk D is held in the cassette holder 19 to When the panel 5 is closed as indicated by the solid line in FIG. 1, the magneto-optical disk D in the disk cassette K is mounted on the turntable 26 of the mechanical deck unit 4. When the upper panel 5 is closed, the claw portion 8a of the lock arm 8 slidably provided on the set chassis 3 in the apparatus main body 2 on the lower surface side of the engaging portion 9a of the open rocker 9 fixed to the upper panel 5. By pushing the upper left end taper surface, the lock arm 8 slides to the right against the pulling force of the tension coil spring 36. When the upper surface opening 2 b of the apparatus body 2 is completely closed by the upper panel 5, the engaging portion 9 a of the open rocker 9 is positioned below the claw portion 8 a of the lock arm 8 and the claw portion of the lock arm 8. 8a and the engaging part 9a of the open rocker 9 are locked, and the closed state of the upper panel 5 is automatically locked.

  When the playback button of the operation buttons 10 of the operation unit 2 a protruding from the upper right side of the apparatus body 2 is pressed in the closed lock state of the upper panel 5, information recorded on the magneto-optical disk D is stored in the mechanical deck unit 4. When the recording button 13 that is reproduced via the optical pickup 28 or the like and is slid to the right on the recording button 13 disposed on the front right side of the apparatus main body 2, input information from an external microphone (not shown) is input to the magnetic head 29 or the like of the mechanical deck unit 4. Is recorded on the magneto-optical disk D via

  Further, in the closed lock state of the upper panel 5, as shown by an arrow X in FIG. 2, when the set (small disc player device 1) is twisted in the lateral direction, the front side of the upper panel 5 moves to the left in the figure. As a result, the claw portion 8a of the lock arm 8 tends to be disengaged from the engaging portion 9a of the open rocker 9, but at this time, the left side surface 9b of the open rocker 9 is integrally projected upward from the decorative band portion 2c of the apparatus body 2. The rib 2d functions as a stopper of the open rocker 9 when it hits the rib 2d. As a result, the engagement state between the claw portion 8a of the lock arm 8 and the engagement portion 9a of the open rocker 9 is not disengaged, and the inadvertent release of the closed lock state of the upper panel 5 due to the twisting of the set is surely prevented. can do.

  Further, even if the small disc player device 1 is accidentally dropped, the left side surface 9b of the open rocker 9 of the upper panel 5 hits the rib 2d of the device body 2, and the engaging portion of the claw portion 8a of the lock arm 8 and the open rocker 9 Since the engagement state with 9a is not disengaged, the upper panel 5, the pair of fulcrum plates 6 and 7 in the upper panel 5, the set chassis 3 in the apparatus main body 2, the mechanical chassis 20 in the mechanical deck section 4, etc. Can be reliably prevented from being deformed or damaged. Further, since the rib 2d of the apparatus main body 2 becomes a blindfold of the mechanical deck portion 4 when the upper panel 5 is opened, the appearance of the entire set can be further improved.

  Further, when the small disc player apparatus 1 is dropped, even if a strong impact force is applied to the mechanical deck unit 4 and the mechanical chassis 20 of the mechanical deck unit 4 moves in the direction indicated by the arrow A in FIG. Even if the lower end 20a of the bent portion of the mechanical chassis 20 is received in front of the large-diameter portion 17b of the fixed shaft 17, and the mechanical chassis 20 moves downward as indicated by the arrow B in FIG. The lower end 20 a of the bent portion of the mechanical chassis 20 is received by the outer peripheral surface of the small diameter portion 17 a of the shaft 17 that is caulked and fixed. Thereby, it is possible to reliably prevent the horizontal bending pieces 15 of the set chassis 3 shown in FIG. 4 from being deformed downward and the vertical bending pieces 16 from being deformed in the opening direction (right direction in FIG. 4). 3 and the mechanical chassis 20 can be greatly improved in durability and strength. Further, since the small-diameter portion 17a of the shaft 17 functioning as a stopper has a relatively large diameter, it is strong in strength against a downward impact indicated by an arrow B in FIG. Further, since the function as a stopper for receiving the movement of the mechanical chassis 20 in the two directions (directions indicated by arrows A and B in FIG. 8) with one shaft 17 is provided, the number of parts and the number of assembly steps are reduced accordingly. The cost of the entire set can be reduced. As a result, even if the small disc player device 1 is accidentally dropped, the small disc player device 1 having a strength that can sufficiently withstand the impact force at the time of dropping and the like and with few failures can be provided at low cost.

  Further, as shown in FIGS. 1 and 9, the screw hole 3i of the set chassis 3 exposed from the round hole 2i on the left side surface of the apparatus main body 2 to which the battery case 50 is screwed is the tip 3k of the blindfold piece 3j. Because it is covered, the inside of the mechanical deck 4 can be seen from the round hole 2i and the screw hole 3i, foreign matter such as dust enters, and the user is mischievous (for example, the tip of a mechanical pencil or the like is inserted into the screw hole 3i. ) Can be reliably prevented. The blindfold 3j is integrally projected and formed on the left side wall 3b of the set chassis 3 by bending (pressing), so that the screw holes 3i of the set chassis 3 can be formed in the blindfold regardless of environmental changes due to temperature or the like. 3j can be securely covered, and it is not necessary to stick a blindfold seal or the like on the inside of the left side wall portion 3b of the set chassis 3 in order to hide the screw hole 3i. The cost of the entire set can be reduced by reducing the number of assembly steps. Further, since the blindfold 3j can be formed by bending without being displaced from the position of the screw hole 3i, the variation due to mass production of the set can be further reduced and the reliability can be further improved.

  Further, as shown in FIGS. 10A and 10B, the wall thickness t on the side facing the screw hole 3i of the tip 3k of the blindfold piece 3j is made to be a substantially disk shape thinner than other portions. When the battery case 50 is attached to the left side surface of the apparatus main body 2 by screwing the screw 52 of the battery case 50 into the screw hole 3i, the stroke amount of the screw portion of the screw 52 is determined. The screw 52 can be securely screwed without stopping in the middle of the screw hole 3i. Thereby, the battery case 50 can be reliably attached to the left side surface of the apparatus main body 2.

  In addition, according to the said Example, although the small disc player apparatus using the magneto-optical disc which can be recorded / reproduced as a recording medium was demonstrated, the recording medium is not restricted to a magneto-optical disc, Other magnetic discs, magnetic tapes, etc. are used. Of course, the above embodiment can be applied to other recording and / or reproducing devices such as a disc player device and a VTR. Further, although the synthetic resin open locker is fixed to the upper panel made of synthetic resin by welding or the like, the metal open locker may be fixed to the metal upper panel by caulking or the like. Furthermore, one shaft with a step was attached to the rear wall of the set chassis as a stopper for the mechanical chassis, but the shaft as a stopper was also attached to each of the front wall, left wall, and right wall of the set chassis. Also good. Furthermore, although the battery case is used as the external part, it goes without saying that the external part is not limited to the battery case.

1 is a left side view of a compact disc player device showing an embodiment of the present invention. The partial perspective view which looked at the said small disc player apparatus from the front side. The front view of the said small disc player apparatus. FIG. 3 is an overall perspective view of a set chassis used in the small disc player device. Explanatory drawing which looked at the left fulcrum board pivotally supported by the left wall part of the said set chassis from the inner side. Explanatory drawing which looked at the right fulcrum board pivotally supported by the right side wall part of the said set chassis from the inner side. Explanatory drawing which looked at the lock arm part slidably supported by the front wall part of the said set chassis from the inner side. Explanatory drawing which shows the structure of the mechanical deck part supported so that it might float with respect to the said set chassis. The perspective view of the battery case attached to the left side wall part side and this left side wall part side of the said set chassis so that attachment or detachment is possible. (A) is the perspective view which looked at the blindfolded piece which blindly covers the screw hole for battery case attachment formed in the left side wall part of the said set chassis from the inside, (b) is the left side wall showing the front-end | tip part of the blindfolded piece The perspective view seen from the section side.

Explanation of symbols

1. Disc player device (recording and / or reproducing device)
2 ... Main body 2b ... Opening on upper surface 2d ... Rib 4 ... Mechanical deck 5 ... Upper panel (lid)
8 ... Lock arm (locking body)
9 ... Open locker (engagement body)
D ... Magneto-optical disk (recording medium)

Claims (2)

A box-shaped device main body opened on the upper surface side;
A mechanical deck provided inside the apparatus body for reproducing information from a recording medium;
A lid that is swingably provided on the base end side of the apparatus main body and formed in a housing shape, the side facing the upper surface opening of the apparatus main body is open, and an engagement body is provided on the distal end side;
A locking body that is provided in the apparatus main body and locks the lid body in a closed state by engaging with the engagement body;
The edge of the top end of the upper surface of the apparatus main body is projected at a position close to the engagement body when the lid is closed, and functions as a stopper of the engagement body and locks Ribs to prevent release,
With
When the lid is in the closed state, the engaging body is disposed between the locking body and the rib, and the clearance between the engaging body and the rib is engaged with the locking body. A recording and / or reproducing apparatus, characterized in that the distance is set to be smaller than the distance to be separated. The recording and / or reproducing apparatus according to claim 1,
A recording and / or reproducing apparatus, wherein the apparatus main body is formed of a synthetic resin, and the ribs are integrally projected from the edge of the upper surface opening of the apparatus main body toward the engaging body side of the lid.

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