CN1794351A

CN1794351A - Media storage disc case

Info

Publication number: CN1794351A
Application number: CNA2005100771289A
Authority: CN
Inventors: 张松辉
Original assignee: Forward Electronics Manufacturing Co Ltd
Current assignee: Forward Electronics Manufacturing Co Ltd
Priority date: 2004-12-20
Filing date: 2005-06-14
Publication date: 2006-06-28
Also published as: WO2006068508A1; US20060131191A1

Abstract

A hinge and trays for containing recorded or recordable media storage discs comprises a hinge comprises an elongate spine with a flange at each end of the spine and extending substantially perpendicular thereto, each flange comprises a connecting member for engaging with a complementary member on a tray to allow a tray to rotate about an axis between the connecting member on each flange, at least one tray comprising a central aperture for supporting a recorded or recordable media storage disc by a fixture and at least one connecting member arranged to engage with the complementary connecting member on each flange of the hinge.

Description

Media storage disc case

Invention field

The present invention relates to a kind of box that is used for media storage disc, particularly a kind of pivot therein (hinge) and pallet (tray) help to keep the box of front cover.

Background technology

The Digital Media that has recorded for example digital versatile disc (DVD) and the medium similarly recorded typically is stored and leaves in the box.Many this boxes are designed to the form of book or wallet, and its mid-game is maintained on the center deck (rosette).When needs were deposited a plurality of digital media storage dish, these dishes were placed on the hinged pallet of the inside that depends on box, perhaps box are superimposed as a plurality of parts, and various piece offers a dish.

The digital media storage box typically stores the digital media storage dish on the center deck that is positioned at thereafter surface, front surface and spine (spine).Front surface and rear surface have sidewall, but this sidewall can engage to open and close box on release property ground.Can be by around spine's folded box and with front side wall with rear wall moves together or separately.Zone between the spine of box and front surface and the rear surface is typically formed by the softer or more flexible zone of spine and surface than box.

Yet, can't utilize the front of box outside or back to hold more dish, perhaps easy and one-level one-level ground (scalably) is arranged in these boxes together to form big dish storage device or polydisc storage device.

Therefore one object of the present invention is to provide a kind of like this digital media storage box, and the shortcoming that it can overcome prior art at least to a certain extent perhaps is at least the public a kind of useful selection is provided.

Summary of the invention

According to the present invention, a kind of pivot and pallet of having recorded the media storage disc that maybe can record that be used to hold is provided, comprise: pivot, it comprises the spine of prolongation, each end in described spine has flange, described spine is basically perpendicular to described bead extends, and each flange comprises and is used for the link that engages with complementary part on the pallet, to allow the axle rotation of pallet between the described link on each flange; And at least one pallet, it comprises center pit and at least one link, described center pit is used for supporting the described media storage disc that maybe can record of having recorded by stationary installation, and the described complementary link that described link is configured on each flange with described pivot engages.

Preferably, each pallet comprises and is configured to the projection that engages with each flange on the described pivot.In this embodiment, preferably each flange on the pivot comprises the depression that is used for each pallet, described depression is complementary mutually with the projection on the pallet, so that when pivot and pallet link together, pallet can rotate around described depression on the described flange and axle between the described projection on the described pallet.

In optional embodiment, each pallet comprises and is configured to the depression that engages with each flange on the pivot.In this embodiment, preferably each flange on the pivot comprises the projection that is used for each pallet, described projection is complementary mutually with the described depression on the pallet, so that when pivot and pallet link together, pallet can rotate around described projection on the described flange and axle between the described depression on the described pallet.

Preferably, each pivot is suitable for installing a pair of pallet.

Preferably, each pallet also comprises center pit, is used for the digital media storage dish is remained on deck in the center pit.

Preferably, each pallet is configured to when it is connected to described pivot, keeps described digital media storage dish on its outside.

Preferably, each pallet also comprises sidewall, and described sidewall engages with the sidewall of other pallet, with when described pallet is engaged, forms central enclosure portion between described pallet.

According to the present invention, in another embodiment, a kind of pivot and pallet of having recorded the media storage disc that maybe can record that be used to hold is provided, comprise: pivot, it comprises the spine of prolongation, has flange at each end of described spine, and described spine is basically perpendicular to described bead and extends, each flange comprises and is used for the link that engages with complementary part on the pallet, to allow the axle rotation of pallet between the described link on each flange; At least one pallet, it comprises center pit and at least one link, described center pit is used for supporting the described media storage disc that maybe can record of having recorded by stationary installation, and the described complementary link that described link is configured on each flange with described pivot engages; And front cover, it comprises first and second that is connected by spine, described front cover partly is arranged between described pivot and described at least one pallet.

In one embodiment, front cover comprises terminal extended two ailerons from described spine.

In one embodiment, pivot comprises two perforates, each perforate lay respectively at described flange near, the aileron of front cover can extend through described perforate.In this embodiment, the aileron of front cover is placed between the pivot and pallet of box.

In an optional embodiment, the described spine of front cover is placed between the pivot and pallet of box.

In one embodiment, front cover comprises third and fourth, and described third and fourth face provides locking device so that described front cover remains in the state of sealing with respect to described pallet.

According to the present invention, in another embodiment, a kind of method that is formed for holding the box of having recorded the media storage disc that maybe can record is provided, may further comprise the steps: pivot is provided, at least one pallet and front cover, described pivot comprises the spine of prolongation, each end of described spine has flange, described spine is basically perpendicular to described bead and extends, each flange comprises and is used for the link that engages with complementary part on the pallet, to allow the axle rotation of pallet between the described link on each flange, described at least one pallet comprises center pit and at least one link, described center pit is used for having recorded the media storage disc that maybe can record by the stationary installation support, the described complementary link that described link is configured on each flange with described pivot engages, and described front cover comprises first and second that is connected by spine; The described spine of described front cover is arranged between the described spine and described at least one pallet of described pivot; And described pivot and described at least one pallet gathered together, so that described spine is connected with complementary part on the described pallet.

According to the present invention, in another embodiment, a kind of method that is formed for holding the box of having recorded the media storage disc that maybe can record is provided, may further comprise the steps: pivot is provided, at least one pallet and front cover, described pivot comprises the spine of prolongation, each end of described spine has flange, described spine is basically perpendicular to described bead and extends, each flange comprises and is used for the link that engages with complementary part on the pallet, to allow the axle rotation of pallet between the described link on each flange, the described spine of described pivot also comprises two perforates, each perforate lay respectively at described flange near, described at least one pallet comprises center pit and at least one link, described center pit is used for having recorded the media storage disc that maybe can record by the stationary installation support, the described complementary link that described at least one link is configured on each flange with described pivot engages, described front cover comprises first and second that is connected by spine, described spine comprises two ailerons, each aileron lays respectively at each end of described spine, and described front cover partly is arranged between described pivot and described at least one pallet; With the arranged outside of described front cover around described pivot, the described aileron of described front cover protrudes the described perforate in the described spine of passing described pivot simultaneously; Towards the folding described aileron of described pivot; And described pivot and described at least one pallet gathered together, so that described spine is connected with complementary part on the described pallet.

Brief description of drawings

Come the present invention is further described by the mode of embodiment below with reference to accompanying drawings, embodiment is used to limit the invention, wherein:

Fig. 1 is the stereographic map that is used to keep an embodiment of the pivot of digitizing storage medium disk and pallet;

Fig. 2 A is a stereographic map part, that comprise flange and pallet of an embodiment of pivot;

Fig. 2 B is the view that is positioned at the deck on the pallet that keeps the digital storage media dish;

Fig. 2 C is the view that is used for the closing device of a pair of pallet;

Fig. 3 is used to keep the pivot that separates of digital storage media dish and the stereographic map of pallet;

Fig. 4 is the stereographic map of an embodiment of pivot, front cover and pallet that is formed for keeping the box of digital storage media dish;

Fig. 5 A is the stereographic map that is used for forming second embodiment of the pivot, front cover and the pallet that keep the digital storage media tray salver;

Fig. 5 B is another stereographic map of second embodiment that is used for forming pivot, front cover and the pallet of the box that keeps the digital storage media dish;

Fig. 6 A is the stereographic map that can be used to the front cover that the box with a plurality of pivots that are used to keep the digital storage media dish and pallet uses;

Fig. 6 B shows an embodiment that can be used to the front cover that the box with a plurality of pivots that are used to keep the digital storage media dish and pallet uses;

Fig. 6 C shows second embodiment that can be used to the front cover that the box with a plurality of pivots that are used to keep the digital storage media dish and pallet uses;

Fig. 7 A shows the lock (lock) of the part that can form front cover;

Fig. 7 B shows an embodiment of the front cover of the lock that comprises Fig. 7 A;

Fig. 8 is the stereographic map that is used to keep another embodiment of the pivot of digital storage media dish and pallet;

Fig. 9 is used to keep the pivot that separates of digital storage media dish and the stereographic map of pallet;

Figure 10 is the stereographic map of an embodiment of pivot, front cover and pallet that is formed for keeping the box of digital storage media dish;

Figure 11 A is the stereographic map of second embodiment of pivot, front cover and pallet that is formed for keeping the box of digital storage media dish;

Figure 11 B is another stereographic map of second embodiment that has formed pivot, front cover and the pallet of the box that is used to keep the digital storage media dish; And

Figure 11 C is the guide wire of alternative shape of an embodiment of front cover of the present invention and pivot.

Specific embodiments

Fig. 1 shows an embodiment of the pivot 1 and the

pallet

2,3 that are used to keep the digital storage media dish.This digital media storage dish can be CD (high dense CD), VCD (video compact disk), DVD (digital versatile disc) or analog.

Though Fig. 1 shows the present invention who is applied to one group of two pallet, pivot of the present invention and front cover can combine with single pallet or with a plurality of pallets.

Pallet

2 and 3 comprises the device that is used to keep the digital media storage dish, and this device is provided by the deck element 9 that is suitable for engaging with the center pit of dish shown in Fig. 2 B.This deck element is generally deformable type, and it can be moved to the d/d position of dish energy thus.Yet deck is in hold mode usually, and thus when dish engages with deck, deck is holding tray and prevent to coil and come off from deck securely.

The deck of preferred type of the present invention is arranged in the hole on the

pallet

2,3 by heart in basic, and is provided with in such a way, and promptly when the deck holding tray, it makes dish substantially parallel with pallet 2,3.Deck is protruding from the platform upper support dish of pallet first type surface, so that the recording areas (this recording areas is generally the surface of card to the bottom) of dish is not by to keep with the contacted form of any part of pallet.Therefore dish is suspended in the first type surface top of pallet towards inside usually.

Deck element 9 will be bonded on dish center pit periphery and extend through this center pit, and for example may comprise hook (catch) or antelabium (lip) parts that engage with the part on dish surface (this surface deviates from the direction of bottom) upwards.Hook or antelabium will be arranged on the top of dish, and prevent that it from axially coming off from deck.Deck 9 can for example be to be similar to the deck that pushes away releasing pattern, when people will be from release dish on the deck when pushing away in downward (towards bottom direction) on the deck.

Pallet

2 and 3 also can comprise the finger insertion portion (fingerinsert) around the peripheral arrangement of center pit, puts into simply and takes out to allow will coil from center pit.Pallet is set up so that the digital media storage dish is maintained in the outside of pallet.

Pallet

2 and 3 also comprises upright peripheral wall (perimeter wall upstand) 7 and 8, and it defines central enclosure portion (central enclosure) when pallet is integrated into a time-out.This central authorities' enclosure portion can be used for store information, for example about being stored in the information that prints of the content on the stored digital dish.

In the preferred embodiment shown in Fig. 2 C, the outside surface of the upright peripheral wall 8 of pallet 3 is provided with the device 5 that engages with the part 6 of the upright peripheral wall 7 of pallet 2.In the embodiment depicted in fig. 1, these devices comprise projection on the part 5 and corresponding depression or the perforate in the part 6.Promoting part 5 will inwardly push away above-mentioned part, and pallet 3 is discharged from pallet 2.In optional embodiment, other engagement device and tray engages can be set.These engagement devices can include, but are not limited to upright peripheral wall, magnet and clasp (clasp).

Pallet

2 and 3 also comprises

coupling arrangement

10 and 11, and Fig. 3 shows an one embodiment.In the pallet of embodiment shown in Figure 3, the coupling arrangement 10 on the

pallet

2 and 3 and 11 for pivot 1 on complementation (complementary) depression 12 projectioies that are connected with 13.In optional embodiment, can use different coupling arrangements to connect pallet and pivot.For instance, coupling arrangement can be depression on the pallet and the projection on the pivot.When should be noted that on being set at pivot, caving in is hole as shown in Figure 3.Depression can change into and only partly extend through pivot.

As can further finding out among Fig. 3,

pallet

2 and 3 is included in the rounded end (rounded ends) that extends between the link.These rounded ends help to be connected on the pivot and each pallet allows when not being bonded together pallet to rotate around pivot when pallet.

Fig. 2 A shows the part of the pivot that is connected with pallet.It shows when pallet and when pivotally connected, and pallet can rotate around pivot.If each pallet is joined together in preferred embodiments, then they can not rotate around pivot.

Fig. 3 shows the stereographic map of pivot 1.Pivot 1 comprises spine 14, upper flange 15, lower flange 16 and link 12 and 13.Pivot 1 further is included in the corresponding link (not shown) on the lower flange 16.Being positioned at upper flange and link on the lower flange is configured to be connected with complementary link on the pallet that is provided for keeping the digital media storage dish.The quantity that is arranged on the link on the pivot will depend on the quantity that is connected to the pallet on the pivot.

In some embodiments, pivot 1 comprises perforate 17 and 18, the front cover that it extends through pivot and helps to keep to further describe as hereinafter with reference to Fig. 5 A and Fig. 5 B.

Fig. 4 shows an embodiment of the box that is used to keep the digital media storage dish with the form of its each components.This box comprises pivot, two pallets and front cover 19.Front cover comprises front 20, back 21 and spine 22.Front cover can be made by the composition of paper, plastics or paper and plastics.Front cover is formed by polypropylene in one embodiment.The front and back of front cover has and the essentially identical size of the outside surface of pallet.

In the embodiment of box shown in Figure 4, at

first pallet

2 and 3 is engaged with each other to form box.After pallet was engaged, the front cover quilt was round the pallet setting, and the front of front cover covers the back covering pallet 2 of pallet 3 and front cover thus.Alternatively, front cover can align with pivot 1, and the spine of front cover is adjacent with pivot 1 between the flange of pivot thus.In any one is provided with, by toward pushing away together pallet being connected with pivot with pivot on pallet.Like this, just produce a kind of like this box, promptly the front and back of front cover covering pallet and front cover are maintained between pallet and the pivot.

Fig. 5 A and 5B show second embodiment of box.In this embodiment, front cover 19 comprises and the same front 20, back 21 and the spine 22 of front cover in the embodiment noted earlier.In addition, front cover 19 also comprises by the extended aileron of spine (flap) 23 and 24.

Box is by forming shown in Fig. 5 B.In this embodiment, the aileron 23 by foldable cover and 24 and aileron inserted in the perforate 17 and 18 of passing pivot 1 form box.Then, aileron is folded to keep flat near pivot.Each pallet also is engaged with each other.After the perforate that the aileron of front cover is passed pivot is inserted and pallet is engaged with each other, by toward pushing away together pivot being connected with pallet pivot and pallet.

The present invention also can be used to use a front cover will organize pallet more and pivot together.Fig. 6 A shows an embodiment with six pivots and six groups of pallets.As seen from Figure 6 A, the spine of front cover extends to the width after each pivot stack, and the front and back of front cover still covers the outside of outer pallet thus.

Fig. 6 B and Fig. 6 C show the front cover that is suitable for installing the hexad box that is used for different embodiments of the present invention.Front cover shown in Fig. 6 B will be installed between pivot and this group pallet, and the front cover shown in Fig. 6 C comprises the aileron that the perforate of passing on the pivot is installed.

Comprise six groups of pivots and pallet though should be noted that the embodiment of the present invention shown in Fig. 6 A to Fig. 6 C, the present invention is not subjected to the restriction of this quantity, and any amount of pivot and pallet group can be set up in the present invention.

When a plurality of pallets are set at a time-out with the form of array, can comprise that in preferred embodiments front cover forms box.This allows to use a plurality of pivots.In this embodiment, front cover keeps together this box array.In optional embodiment, can use single pivot, it has the coupling arrangement that is used for each pallet on each flange.In this embodiment, owing to pivot keeps together this box array, so front cover is optional.

Fig. 7 A and Fig. 7 B show an embodiment of the front cover that comprises lock.As among Fig. 7 B as can be seen, front cover 19 comprises the extension 25 and 26 of extending from its side.These extensions are set to outstanding the terminal of employed pallet and folding round the front end of pallet of crossing.An extension comprises that teat (tab) 27 and another extension comprise groove 28.In use front cover is formed box with pivot and pallet.When needed, the extension of front cover can be crossed the folding and teat 27 of the front end of pallet and can be passed that groove 28 is fixing to be kept in position with the side with front cover.

Should be noted that no matter front cover is set for a pallet, a pair of pallet or pallet array, and above-mentioned lock can be set in any one embodiment of previously described front cover.

Fig. 8 to Figure 11 shows when the digital media storage dish is CD, and the present invention of less pivot, front cover and the pallet that may provide is provided.

The present invention who comprises preferred implementing form has more than been described.Variations and modifications can be used to incorporate into the scope by the definition of appended claims book, and this is conspicuous for the person of ordinary skill of the art.

Claims

1. a pivot and pallet that is used to hold recorded the media storage disc that maybe can record comprises:

Pivot, it comprises the spine of prolongation, each end in described spine has flange, described spine is basically perpendicular to described bead and extends, each flange comprises and is used for the link that engages with complementary part on the pallet, to allow the axle rotation of pallet between the described link on each flange; And

At least one pallet, it comprises center pit and at least one link, described center pit is used for supporting the described media storage disc that maybe can record of having recorded by stationary installation, and the described complementary link that described link is configured on each flange with described pivot engages.

2. as claimed in claim 1ly be used to hold pivot and the pallet of having recorded the media storage disc that maybe can record, it is characterized in that, each pallet comprises and is configured to the projection that engages with each flange on the described pivot.

3. as claimed in claim 2ly be used to hold pivot and the pallet of having recorded the media storage disc that maybe can record, it is characterized in that, each flange on the described pivot comprises the depression that is used for each pallet, described depression is complementary mutually with the described projection on the described pallet, so that when described pivot and described pallet link together, the axle rotation that described pallet can be between described depression on the described flange and the described projection on the described pallet.

4. as claimed in claim 1ly be used to hold pivot and the pallet of having recorded the media storage disc that maybe can record, it is characterized in that, each pallet comprises and is configured to the depression that engages with each flange on the described pivot.

5. as claimed in claim 4ly be used to hold pivot and the pallet of having recorded the media storage disc that maybe can record, it is characterized in that, each flange on the described pivot comprises the projection that is used for each pallet, described depression on described projection and the described pallet is complementary, so that when described pivot and described pallet link together, the axle rotation that described pallet can be between described projection on the described flange and the described depression on the described pallet.

6. as claimed in claim 1ly be used to hold pivot and the pallet of having recorded the media storage disc that maybe can record, it is characterized in that each pivot is suitable for installing a pair of pallet.

7. as claimed in claim 1ly be used to hold pivot and the pallet of having recorded the media storage disc that maybe can record, it is characterized in that each pallet also comprises center pit, be used for the digital media storage dish is remained on deck in the described center pit.

8. as claimed in claim 1ly be used to hold pivot and the pallet of having recorded the media storage disc that maybe can record, it is characterized in that each pallet is configured to when it is connected to described pivot, on its outside, keep described digital media storage dish.

9. as claimed in claim 6ly be used to hold pivot and the pallet of having recorded the media storage disc that maybe can record, it is characterized in that, each pallet also comprises sidewall, described sidewall engages with the sidewall of other pallet, with when described pallet is engaged, between described pallet, form central enclosure portion.

10. one kind is used to hold the box of having recorded the media storage disc that maybe can record, comprising:

Pivot, it comprises the spine of prolongation, each end in described spine has flange, described spine is basically perpendicular to described bead and extends, each flange comprises and is used for the link that engages with complementary part on the pallet, to allow the axle rotation of pallet between the described link on each flange;

At least one pallet, it comprises center pit and at least one link, described center pit is used for supporting the described media storage disc that maybe can record of having recorded by stationary installation, and the described complementary link that described link is configured on each flange with described pivot engages; And

Front cover, it comprises first and second that is connected by spine, described front cover partly is arranged between described pivot and described at least one pallet.

11. as claimed in claim 10ly be used to hold the box of having recorded the media storage disc that maybe can record, it is characterized in that each pallet comprises and is configured to the projection that engages with each flange on the described pivot.

12. as claimed in claim 11ly be used to hold the box of having recorded the media storage disc that maybe can record, it is characterized in that, each flange on the described pivot comprises the depression that is used for each pallet, described depression is complementary mutually with the described projection on the described pallet, so that when described pivot and described pallet link together, the axle rotation that described pallet can be between described depression on the described flange and the described projection on the described pallet.

13. as claimed in claim 10ly be used to hold the box of having recorded the media storage disc that maybe can record, it is characterized in that each pallet comprises and is configured to the depression that engages with each flange on the described pivot.

14. as claimed in claim 13ly be used to hold the box of having recorded the media storage disc that maybe can record, it is characterized in that, each flange on the described pivot comprises the projection that is used for each pallet, described projection is complementary mutually with the described depression on the described pallet, so that when described pivot and described pallet link together, the axle rotation that described pallet can be between described projection on the described flange and the described depression on the described pallet.

15. as claimed in claim 10ly be used to hold the box of having recorded the media storage disc that maybe can record, it is characterized in that each pivot is suitable for installing a pair of pallet.

16. as claimed in claim 10ly be used to hold the box of having recorded the media storage disc that maybe can record, it is characterized in that each pallet also comprises center pit, be used for the digital media storage dish is remained on deck in the center pit.

17. as claimed in claim 10ly be used to hold the box of having recorded the media storage disc that maybe can record, it is characterized in that each pallet is configured to when it is connected to described pivot, on its outside, keep described digital media storage dish.

18. as claimed in claim 15ly be used to hold the box of having recorded the media storage disc that maybe can record, it is characterized in that, each pallet also comprises sidewall, and described sidewall engages with the sidewall of other pallet, to form central enclosure portion together the time when described tray engages between described pallet.

19. as claimed in claim 10ly be used to hold the box of having recorded the media storage disc that maybe can record, it is characterized in that described front cover comprises terminal extended two ailerons from described spine.

20. as claimed in claim 19ly be used to hold the box of having recorded the media storage disc that maybe can record, it is characterized in that, described pivot comprises two perforates, each perforate lay respectively at described flange near, the described aileron of described front cover can pass described perforate and extend, in this embodiment, the described aileron of described front cover is placed between the described pivot and described pallet of described box.

21. as claimed in claim 10ly be used to hold the box of having recorded the media storage disc that maybe can record, it is characterized in that the described spine of described front cover is placed between the described pivot and described pallet of described box.

22. as claimed in claim 10ly be used to hold the box of having recorded the media storage disc that maybe can record, it is characterized in that, described front cover comprises third and fourth, and described third and fourth face provides locking device so that described front cover remains on the state of sealing with respect to described pallet.

23. a method that is formed for holding the box of having recorded the media storage disc that maybe can record may further comprise the steps:

Pivot is provided, at least one pallet and front cover, described pivot comprises the spine of prolongation, each end of described spine has flange, described spine is basically perpendicular to described bead and extends, each flange comprises and is used for the link that engages with complementary part on the pallet, to allow the axle rotation of pallet between the described link on each flange, described at least one pallet comprises center pit and at least one link, described center pit is used for having recorded the media storage disc that maybe can record by the stationary installation support, the described complementary link that described link is configured on each flange with described pivot engages, and described front cover comprises first and second that is connected by spine; The described spine of described front cover is arranged between the described spine and described at least one pallet of described pivot; And

Described pivot and described at least one pallet are gathered together, so that described spine is connected with complementary part on the described pallet.

24. a method that is formed for holding the tray salver of having recorded the media storage disc that maybe can record may further comprise the steps:

Pivot is provided, at least one pallet and front cover, described pivot comprises the spine of prolongation, each end of described spine has flange, described spine is basically perpendicular to described bead and extends, each flange comprises and is used for the link that engages with complementary part on the pallet, to allow the axle rotation of pallet between the described link on each flange, the described spine of described pivot also comprises two perforates, each perforate lay respectively at described flange near, described at least one pallet comprises center pit and at least one link, described center pit is used for having recorded the media storage disc that maybe can record by the stationary installation support, the described complementary link that described at least one link is configured on each flange with described pivot engages, described front cover comprises first and second that is connected by spine, described spine comprises two ailerons, each aileron lays respectively at each end of described spine, and described front cover partly is arranged between described pivot and described at least one pallet;

With the arranged outside of described front cover around described pivot, the described aileron of described front cover protrudes the described perforate in the described spine of passing described pivot simultaneously;

Towards the folding described aileron of described pivot; And