JP4021829B2 - Disc anti-theft piece and disc case - Google Patents

Description

  The present invention relates to a disc anti-theft piece that makes it impossible to easily remove a disc-shaped information recording medium from a storage portion thereof, and a disc case equipped with the disc anti-theft piece.

  Disc-shaped information recording media, such as compact discs (hereinafter referred to as CDs) and digital video discs (hereinafter referred to as DVDs), are accompanied by a booklet with explanations related to the information stored on the discs and dedicated disc cases. And packaged in transparent film for sale. The disc case can store a CD or DVD with the reading surface suitably protected.

In some cases, a CD containing program data of a personal computer is attached to the explanation book, a DVD containing the moving picture is attached to a photo book, or a CD or DVD is attached as an appendix to a magazine. In order to protect such a disk from damage and theft, there is a storage case that is bound together with a book (see, for example, Patent Document 1). In this storage case, a disk is sandwiched between cardboards. When the disk is first taken out, it is cut and opened along the perforation provided on the cardboard.
JP-A-8-2572

  If you wrap the disc case with film, you won't be stolen by removing the disc from the disc case unless you break the package and open it, but before you buy a CD or DVD, put it in the disc case. It is not possible to view the booklet.

  In addition, a storage case bound to a book, a magazine, or the like is unsatisfactory when it is not successfully opened along the perforation provided on the cardboard. Further, since the lid is raised in the direction of raising the paper surface, if the opening and closing are repeated, the shape of the cardboard is formed and the lid is not closed, and the disk is not well protected and stored.

  Accordingly, the present invention provides a disc anti-theft piece for preventing the removal of a disc attached to a book that can be freely viewed in a publication, and the anti-theft piece for publication at the time of over-the-counter sales. An object of the present invention is to provide a disc case that can be viewed and that facilitates storage of a disc after purchase.

  A disc anti-theft piece according to the present invention includes a closing member that is detachably mounted to cover a notch formed at the outer peripheral edge of the storage portion so that a finger is put on the edge of the disk stored in the storage portion, and a closing member And a locking piece that extends toward the inside of the storage portion and stops movement in a direction in which the edge of the disc is lifted from the storage portion. Further, in order to prevent the disk anti-theft piece from being easily removed from the notch unless the opening operation is performed, the closing member includes a frame part fitted into the notch part and an opening part of the frame part. And a blocking plate for shielding. In order to facilitate the opening operation of removing the disc anti-theft piece from the notch, a part of the closing member is provided with a knob portion that is picked during the opening operation.

  In order to facilitate the opening operation, the closing plate is supported on the frame portion by two inclined portions. Further, the outer periphery of the closing plate is connected to the frame portion at at least one connecting portion other than the tilting portion, and the connecting portion is broken by the opening operation. The knob is provided on one side of the closing plate with the swing axis connecting the tilting portions as a boundary, and protrudes from the frame portion by pushing the other side of the closing plate. The closing plate has flexibility, and the plate thickness is gradually reduced as it approaches the swing axis from the knob.

  Alternatively, one end of the outer periphery of the closing plate is connected to the knob portion and at least one connecting portion, and the other end of the outer periphery is fixed to the inner peripheral surface of the frame portion and the support portion. A connection part is made into the structure broken by opening operation.

  The disc case according to the present invention includes a storage portion that is recessed in accordance with the outer shape of the disc, a holding claw that protrudes from the outer peripheral edge of the storage portion toward the center and engages with the edge of the disc, and a finger on the edge of the disc. A notch formed on the outer side from the outer peripheral edge of the storage portion, a closing member that covers the notch and is detachably mounted, and extends from the closing member toward the inner side of the storage portion. And a locking piece that stops the movement in the direction of lifting from the storage portion. In this case, at least one holding claw is displaceable in the radial direction of the disk and is urged in the inner diameter direction, and the notch portion and the closing member are interposed via the disk with respect to the holding claw urged in the inner diameter direction. And place it in the range to push back.

  Alternatively, the disc case according to the present invention includes a storage portion that is recessed according to the outer shape of the disc, a holding convex portion that is provided in the storage portion and fits with a center hole formed in the center portion of the disc, and the disc A notch formed outward from the outer peripheral edge of the storage part to hang a finger on the edge of the storage part, a closing member that covers the notch and is detachably mounted, and extends from the closing member toward the inside of the storage part And a locking piece that stops the movement of the disc edge in the direction of lifting from the storage portion.

  According to the disc anti-theft piece according to the present invention, the notch portion formed on the outer peripheral edge of the disc storage portion is covered with the closing member so as to put a finger on the disc, so that the disc can be easily removed from the disc storage portion. I can't. That is, it is possible to prevent the disk from being stolen. Further, since the knob is provided, it is possible to easily remove the disc antitheft piece and open it.

  Since the closing member includes a frame portion and a closing plate, the disc anti-theft piece is firmly fixed to the notch and cannot be removed unless an opening operation is performed. Since the closing plate is supported by the frame portion at two tilting portions, the other easily protrudes when one is pushed in with the swing axis connecting the tilting portions as a boundary. Therefore, when performing the opening operation, it can be easily opened by removing the disc anti-theft piece from the notch with the protruding side as a knob. The closing plates are connected by at least one connecting portion other than the tilting portion. Since this connection part is cut | disconnected by performing opening operation, it is easy to discriminate | determine whether fraudulent act was performed. In addition, the closing plate has flexibility, and the plate thickness is gradually reduced as it approaches the swing axis from the knob. The part can be easily picked.

  Further, according to the disk case of the present invention, the closing member that is detachably mounted covering the notch formed in the outer peripheral portion of the storage portion so as to put a finger on the edge of the disk, and the storage from the closing member Since the disc anti-theft piece including the locking piece extending to the portion side is mounted, the disc cannot be easily removed from the storage portion. That is, it is possible to prevent the disk from being stolen. Therefore, in the case of binding with a publication, the purchase applicant can freely browse the portion of the publication. Further, the purchaser can easily take out the disc by removing the disc anti-theft piece by the opening operation, and can use the disc case as a storage location of the disc.

  The disc case 1 according to the first embodiment of the present invention will be described with reference to FIGS. 1 to 7 by taking as an example the case where the disc case 1 is formed in a part of a book 100 that has been bound. A disc case 1 shown in FIG. 1 includes a storage portion 2, holding claws 3 a, 3 b, 3 c, a notch portion 4, and a disc theft prevention piece 5. The storage unit 2 is recessed in accordance with the outer shape of the disc 200 from the inside of the cover 101 of the book 100, from the side of the paper surface 101a corresponding to the so-called "Table 2" or "Table 3". In the first embodiment, the cover 101 of the book 100 has a sufficient thickness to contain the disc case 1. The disc 200 placed in the storage unit 2 is a disc-shaped information recording medium in which recorded information is read by an optical reading means. Specifically, the disc 200 is a compact disc (CD), a single CD, a digital video disc. (DVD).

  The holding claws 3 a, 3 b, 3 c protrude from the outer peripheral edge 2 a of the storage portion 2 toward the center and engage with the edge 201 of the disk 200 placed in the storage portion 2. In the first embodiment, the holding claws 3a, 3b, 3c are provided at three positions, and one of the holding claws 3a is displaced in the radial direction and is urged in the inner diameter direction. As a result, the disk 200 is held in the storage unit 2 without rattling. The cutout portion 4 is formed in the outer diameter direction from the outer peripheral edge 2 a of the storage portion 2 so as to put a finger on the edge 201 of the disc 200 stored in the storage portion 2.

  As shown in FIG. 2, the disk theft prevention piece 5 includes a closing member 6 and a locking piece 7, and is removed from the cutout portion 4 by a series of opening operations shown in FIGS. 5 to 7. The closing member 6 covers the notch 4 and is detachably mounted. The locking piece 7 extends from the closing member 6 toward the inside of the storage unit 2, and stops the movement in the direction in which the edge 201 of the disk 200 is lifted from the storage unit 2. Further, the cutout portion 4 and the disc antitheft piece 5 are arranged at a position where the notch 4 and the holding claw 3a biased in the inner diameter direction are pushed back via the disc 200.

  The closing member 6 includes a frame portion 8 and a closing plate 9. The frame part 8 is formed along the shape of the notch part 4. A locking projection 8b is provided on the outer peripheral surface 8a of the frame 8 and is fitted into the notch 4. As shown in FIG. 3, the closing plate 9 is provided so as to block the opening 10 of the frame 8 near the paper surface 101 a inside the cover 101. The closing plate 9 is supported on the inner peripheral surface 8 c of the frame portion 8 by tilting portions 11 provided at two locations along the edge 201 of the disk 200.

  A knob portion 13 is provided on the disk 200 side with a swing axis 12 connecting the two tilting portions 11 as a boundary. On the outer periphery 9a of the closing plate 9, an end 9b opposite to the knob 13 with respect to the swing axis 12 is connected to the frame 8 by a connecting portion 14 that is broken by an opening operation. Further, the closing plate 9 is formed so that the plate thickness gradually decreases as it approaches the swing axis 12 from the knob 13.

  The material forming the disc anti-theft piece 5 has flexibility (toughness) to such an extent that the tilting portion 11 is not threaded or cracked in the closing plate 9 by the opening operation, and the knob portion 13 is picked. It is preferable to have such rigidity that it cannot be removed unless it is pulled out. Specifically, polypropylene, polystyrene mixed with rubber resin, polyethylene, polyvinyl chloride, vinyl chloride vinyl acetate copolymer, polymethyl methacrylate, polymethylstyrene, polyurethane, polycarbonate, polyoxymethylene Etc. can be used. Further, the disk theft prevention piece 5 can be made at a lower cost if it is integrally formed by injection molding.

  As shown in FIG. 4, the disc case 1 configured as described above has the disc antitheft piece 5 attached to the notch portion 4, so that a finger is placed on the edge 201 of the disc 200 contained in the storage portion 2. Can't hang. Further, the holding claw 3a that is displaced in the radial direction is pushed back in the outer diameter direction by the disk theft prevention piece 5, and there is no allowance for bending. Therefore, it is difficult to remove the disk 200 from the storage unit 2. In addition, the disc case 1 is provided inside the cover 101 of the book 100 and merely removes the disc 200 from the storage unit 2 so that it is difficult to steal. In this state, the book 100 is opened and the inside can be freely set. You can browse. In other words, it is possible to prevent the disk 200 from being stolen without hindering browsing the book 100.

  Next, the opening operation of the disk case 1 will be described with reference to FIGS. In the state shown in FIG. 4, the notch 4 is completely covered by the disc anti-theft piece 5 and a finger cannot be put on the edge 201 of the disc 200. As shown in FIG. 5, when the end portion 9b of the closing plate 9 on the side farther from the disc 200 with respect to the swing axis 12 is pushed in with the finger in the thickness direction of the cover 101 as shown by the arrow in FIG. 14 is broken, and the tilting portion 11 is closed on the fulcrum, the plate 9 is tilted and the knob portion 13 is lifted from the frame portion 8. The lifted knob portion 13 is further raised with a finger as shown in FIG. 6, the knob portion 13 is picked with a finger, and the disc antitheft piece 5 is pulled out from the cutout portion 4 as shown in FIG. 7.

  As described above, the series of opening operations shown in FIGS. 5 to 7 can be easily performed with one hand. Moreover, since the connection part 14 is fractured once opened, the distinction from the unopened one is obvious. Further, the disc theft prevention piece 5 is completely removed from the cutout portion 4 without leaving any residue, and the cutout portion 4 is a portion provided for placing a finger on the edge 201 of the disc 200. The appearance is not impaired. Even after opening, the disk case 1 can store the disk 200 in a preferable state without impairing the function of the disk 200 as a storage location.

  In the first embodiment, the disc 200 is held in the storage portion 2 with the edge 201 locked by the holding claws 3a, 3b, 3c, and a center hole 202 provided in the center of the disc 200 is provided. It is in an open state. Therefore, a removable sealing plate may be attached so that the finger can not be put on the center hole 202 until it is opened.

  Further, the storage unit 2 may hold the disc 200 with a holding convex portion fitted in the center hole 202 of the disc 200 at the center. Even in this case, the disc case 1 can prevent the disc 200 from being stolen by attaching the disc anti-theft piece 5 to the cutout portion 4 provided outward from the outer peripheral edge 2a of the storage portion 2. . The knob 13 may be provided on a part of the closing plate 9 on the side farther from the disc 200 than the swing axis 12. In this case, by pushing the end of the closing plate 9 closer to the disc 200 than the swing axis 12, the knob is lifted up from the frame 8, so that this is raised further, the knob is picked, The disc antitheft piece 5 may be removed from the notch 4.

  In addition, if the knob | pick part 13 is formed in the closing member 6 so that the said part can be picked and the disk antitheft piece 5 can be removed, it will incline around the rocking | fluctuation axis line 12 which connects the inclination part 11 as mentioned above. A shape other than the closing plate 9 may be used. For example, a ring may be provided along the frame portion 8, and the disc antitheft piece 5 may be pulled out by placing a finger on the ring.

  A disc antitheft piece 5 according to a second embodiment of the present invention will be described with reference to FIG. In addition, about the structure which has the same function as the disk antitheft piece 5 shown in 1st Embodiment, the same code | symbol is attached | subjected and the description is abbreviate | omitted. The disc anti-theft piece 5 shown in FIG. 8 has a knob 13 in the shape of a cross that crosses the opening 10 of the frame 8 constituting the closing member 6. Closing plates 21 and 22 are provided in the openings 10a and 10b on the side of the disc 200 and the side far from the disc 200 with respect to the knob 13, respectively. The outer peripheries 21 a and 22 a of the closing plates 21 and 22 and the knob portion 13 are connected by a connecting portion 14. The outer peripheries 21a and 22a on the opposite side of the connecting part 14 are fixed to the inner peripheral surface 8c of the frame part 8 by cantilevered support parts 23, respectively. When the closing plates 21 and 22 are pushed by the opening operation, the connecting portion 14 is broken, and the knob portion 13 is picked so that the disc anti-theft piece 5 can be removed from the cutout portion 4.

  A disc theft prevention piece 5 according to a third embodiment of the present invention will be described with reference to FIG. In addition, about the structure which has the same function as the disk antitheft piece 5 shown by 1st and 2nd embodiment, the same code | symbol is attached | subjected and the description is abbreviate | omitted. The disc antitheft piece 5 shown in FIG. 9 is provided with a knob portion 13 in a film shape extending from the inner peripheral edge on the side far from the disc 200 toward the disc 200 side in the frame portion 8 constituting the closing member 6. The closing plate 31 is provided so as to close the opening 10 other than the closing portion 13, and the outer periphery 31 a on the side close to the disk 200 is cantilevered on the inner peripheral surface 8 c of the frame portion 8. The outer periphery 31 a fixed at 32 and distant from the disk 200 is connected to the knob portion 13 and the connecting portion 14. When the closing plate 31 is pushed by the opening operation, the connecting portion 14 is broken, so that the disc theft prevention piece 5 can be removed from the notch portion 4 by hooking the finger on the knob 13.

  In the first to third embodiments, when a plurality of cutout portions 4 are provided, the disc antitheft piece 5 is attached to each cutout portion 4.

1 is a perspective view showing a disk case according to an embodiment of the present invention. The top view which shows the disk antitheft piece of FIG. Sectional drawing of the disk antitheft piece shown along F3-F3 in FIG. The perspective view which expands and shows the disk antitheft piece of FIG. 1, and its periphery. The perspective view which shows the state which pushed in the edge part of the closing board by opening operation from the disk antitheft piece of the state of FIG. The perspective view which shows the state which raised the knob | pick part further from the disk antitheft piece of the state of FIG. The perspective view which shows the state which picked up the knob | pick part raised in the state of FIG. 6, and removed the disk antitheft piece from the notch part. The perspective view which shows the disk antitheft piece of 2nd Embodiment which concerns on this invention. The perspective view which shows the disk antitheft piece of 3rd Embodiment which concerns on this invention.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Disc case, 2 ... Storage part, 2a ... Outer periphery, 3a, 3b, 3c ... Holding claw, 4 ... Notch part, 5 ... Disc anti-theft piece, 6 ... Closing member, 7 ... Locking piece, 8 ... Frame portion, 9 ... closing plate, 9a ... outer periphery, 10, 10a, 10b ... opening, 11 ... tilting portion, 12 ... swing axis, 13 ... knob, 14 ... connecting portion, 21, 22 ... closing plate, 21a, 22a ... outer periphery, 31 ... closing plate, 31a ... outer periphery, 200 ... disk, 201 ... edge.

Claims (10)

A closing member that is detachably mounted so as to cover a notch formed on the outer peripheral edge of the storage unit so as to hang a finger on the edge of the disk stored in the storage unit;
A disc theft prevention piece, comprising: a locking piece extending from the closing member toward the inside of the storage portion and stopping movement in a direction in which the edge of the disc is lifted from the storage portion.   2. The disc theft prevention piece according to claim 1, wherein the closing member includes a frame portion that fits in the notch portion, and a closing plate that blocks an opening of the frame portion.   3. The disc anti-theft piece according to claim 2, wherein a part of the closing member is provided with a knob part that is picked during an unsealing operation to be removed from the notch part.   The disk theft prevention piece according to claim 3, wherein the closing plate is supported on the inner peripheral surface of the frame portion by two inclined portions.   The outer periphery of the closing plate is connected to the frame portion at at least one connecting portion other than the tilting portion, and the connecting portion is broken by an opening operation. Disc anti-theft piece.   The said knob | pick part is provided in one side of the said closing board on the boundary of the rocking | fluctuation axis line which connects the said inclination part, and protrudes from the said frame part by pushing in the other of the said closing board. The disc theft prevention piece according to claim 5.   7. The disc anti-theft piece according to claim 6, wherein the closing plate is flexible and has a plate thickness that gradually decreases from the knob to the swing axis.   One end of the outer periphery of the closing plate is connected to the knob portion by at least one connecting portion, and the other end of the outer periphery is fixed by the inner peripheral surface of the frame portion and a support portion, and the connecting portion is The disc theft prevention piece according to claim 3, wherein the disc theft prevention piece is broken by an opening operation. A storage section recessed according to the outer shape of the disk,
A holding claw protruding from the outer peripheral edge of the storage portion toward the center and engaging with the edge of the disk;
A notch formed on the outside from the outer peripheral edge of the storage unit to put a finger on the edge of the disc;
A closing member that covers the notch and is detachably mounted;
A disc case comprising: a locking piece extending from the closing member toward the inside of the storage portion and stopping movement in a direction in which an edge of the disc is lifted from the storage portion. At least one of the holding claws is displaceable in the radial direction of the disk and biased in the inner diameter direction;
The disk case according to claim 9, wherein the notch and the closing member are arranged in a range in which the notch and the closing member are pushed back through the disk with respect to the holding claws biased in the inner diameter direction.

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