CN107549966A - A kind of special anti-lost intelligent writing case of student - Google Patents
A kind of special anti-lost intelligent writing case of student Download PDFInfo
- Publication number
- CN107549966A CN107549966A CN201711040040.9A CN201711040040A CN107549966A CN 107549966 A CN107549966 A CN 107549966A CN 201711040040 A CN201711040040 A CN 201711040040A CN 107549966 A CN107549966 A CN 107549966A
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- Prior art keywords
- plate
- stationery
- box
- spring
- lid
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The invention discloses a kind of special anti-lost intelligent writing case of student,Its structure includes locking device,Lower stationery lid,Upper stationery lid,First bears box,Second bears box,Alarm bracelet,Upper boom,Middle bar,Lower beam,Bottom bar,Alarm box,Alarm box is provided with the electronic component mutually echoed with alarm bracelet inside,Alarm box outer surfac is mutually fixed with lower stationery cover inner surface,Lower stationery lid and upper stationery lid front end are fixedly connected with locking device rear end,Bottom bar lower end coordinates with upper stationery cover inside gap,Bottom bar upper end and first bears the slotted eye gap cooperation that box is provided with,A kind of special anti-lost intelligent writing case of student of the present invention,After lower stationery lid and upper stationery lid cover,Random rotational password ring (not on password),The fastening of buckle ring and accessory plate tightly,And when dynamic cipher ring is rotated on password,Buckle ring and accessory plate are opened,Thus after writing case is given for change,Thing in stationery is no longer lost.
Description
Technical field
The present invention is a kind of special anti-lost intelligent writing case of student, belongs to writing case field.
Background technology
Writing case is the box that student is used for the stationery such as steel loading pen, pencil, ruler, rubber, and quality is a lot, typically there is wood
Matter, irony, plastic products, different, mostly rectangular shape also has a kind of automatic text as a kind of necessary stationery
Have box, it is characterised in that:It is made up of outter box and inner box, the activity insertion inner box in a long side empty surface of outter box, outside
Along hinge connection lid on another long side of box body, lid is by the hinged lid of two narrow lid.The short side of outter box
There is spring leaf outside, and spring leaf is reached in inner box short sides through outer lid, had in inner box short sides and spring bit end
Multiple grooves that portion coordinates.Effect of the present invention is:This automatic pencil case and body is variable diminishes greatly, how much it is suitable for the stationery that is put into
Adjustment.It is convenient and practical, what also a kind of writing case was done using cloth, " pen bag " is really named as, is students in middle and primary schools' " writing case in recent years
New lover ", it is easy to carry, also very practical, is well suited for our children and uses, writing case is widely used in Students ' Learning mistake
Cheng Zhong, and the writing case product of existence form various kinds in the prior art, with intellectual technology constantly progress, writing case is just
Develop towards the direction of intelligent writing case, and already occur intelligent writing case product on the market, however, for existing intelligence
For writing case product, during the use of reality, there is following defect in it, expensive, child easily by writing case and
Other stationeries being positioned in writing case are lost, and it is difficult to retrieve to have to lose, and pocket money is positioned over by many child's customs
In writing case, but the security of writing case cannot be ensured effectively.
But prior art writing case is not provided with locking device, many children's finds to lose after writing case is given for change
Thing.
The content of the invention
In view of the deficienciess of the prior art, it is an object of the present invention to provide a kind of special anti-lost intelligent writing case of student, with
Solve prior art writing case and be not provided with locking device, the discovery after writing case is given for change of many children lost thing
Problem.
To achieve these goals, the present invention is to realize by the following technical solutions：A kind of special anti-lost intelligence of student
Can writing case, its structure includes locking device, lower stationery lid, upper stationery lid, first bears box, second bears box, alarm
The electronic component mutually echoed is provided with inside bracelet, upper boom, middle bar, lower beam, bottom bar, alarm box, the alarm box and alarm bracelet,
The alarm box outer surfac is mutually fixed with lower stationery cover inner surface, the lower stationery lid and upper stationery lid front end and locking
Device rear end is fixedly connected, and the bottom bar lower end coordinates with upper stationery cover inside gap, and the bottom bar upper end is born with first
The slotted eye gap that box is provided with coordinates, and the lower beam lower end coordinates with upper stationery lid gap and middle part bears box with first and is provided with
Slotted eye gap coordinate, the lower beam upper end bears the slotted eye gap that box is provided with second and coordinated, described upper boom one end with hereafter
Tool lid gap coordinates and the other end and second bears the slotted eye gap cooperation that box is provided with, the lower stationery lid and upper stationery lid
Sub- rear end is hinged, and the locking device includes accessory plate, buckle ring, protrusion-dispelling ejecting plate, lock end cross bar, lock end montant, wheel ball, center
Axle retainer ring, central shaft, gear, wheel ball subring, cipher ring, card lever, lock end cross bar assist cylinder, lock end spring, lock end
Fixed transverse rod, buckle ring notch, slide rail lower end spring, pressing plate, pressing plate end spring, pressing plate auxiliary cylinder, latch hook end bullet
Spring, slide track bar, spring band hook plate, slippery fellow, anti-lost shell body, hook plate, pressing matching board, middle part fixed plate composition, the auxiliary
Plate lower end is connected with buckle ring upper end, and the central shaft sequentially passes through anti-lost shell body, cipher ring, wheel ball subring, gear
Gap coordinates between and, and the central shaft lower end is installed with central shaft retainer ring, and the wheel ball and card lever are respectively with taking turns ball
Subring and card lever gap coordinate, and the wheel ball upper end is connected with lock end montant lower end, the lock end montant upper end and lock
End cross bar assist cylinder is connected, and the lock end cross bar assist cylinder is connected by lock end spring with lock end fixed transverse rod, institute
State lock end cross bar by the band coupler body that it is provided with and spring band hook plate gap to coordinate, under the spring band hook plate upper end and slide track bar
End is connected, and the foxy slide rail gap cooperation with being provided with inside slide track bar, the slide track bar lower end passes through slide rail lower end bullet
Spring is fixedly connected with middle part dead plate upper end, and the pressing matching board lower end is provided with slippery fellow, passes through between the pressing matching board
Latch hook end spring is connected, and the pressing plate auxiliary cylinder is connected by pressing plate end spring with pressing plate, the latch hook end
Spring upper end is fixedly connected with hook plate lower end, and buckle ring notch is provided with the anti-lost shell body upper end.
Further, the accessory plate rear end is fixedly connected with upper stationery lid front end, the accessory plate and upper stationery lid
House type is vertical between son and the joint face of accessory plate.
Further, the upper stationery lid backing be fixedly connected with anti-lost shell body front end and therebetween mutually it is equal
OK.
Further, the buckle ring notch is engaged with hook plate activity.
Further, lock end fixed transverse rod, pressing plate auxiliary cylinder, protrusion-dispelling ejecting plate, middle part fixed plate and anti-lost shell body
It is integrated.
Further, the lock end spring applies one to lock end cross bar and downward pushes power, slide rail lower end spring
One downward pulling force is applied to card lever, pressing plate end spring is applied with a thrust, the latch hook end to pressing plate
The pressing matching board that spring is provided with to left and right ends applies a thrust.
Further, spring is provided with the middle part of the spring band hook plate, the spring applies one to spring band hook plate upwards
Thrust.
Further, alarm box alarm box inner member in 5 meters exceeded from alarm bracelet will send prompting
Sound, remind child bring back writing case.
Beneficial effect
After a kind of special anti-lost intelligent writing case of student of the present invention, lower stationery lid and upper stationery lid cover, arbitrarily
Rotational password ring (not on password), the fastening of buckle ring and accessory plate tightly, and rotated to when moving cipher ring on password, fasten
Ring and accessory plate are opened, and thus after writing case is given for change, the thing in stationery is no longer lost.
Brief description of the drawings
The detailed description made by reading with reference to the following drawings to non-limiting example, further feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is that a kind of structure of the special anti-lost intelligent writing case of student of the present invention closes schematic diagram；
Fig. 2 is the structural representation that the special anti-lost intelligent writing case of student of the present invention is opened；
Fig. 3 is the structural representation that locking device of the present invention is opened；
Fig. 4 is the structural representation of locking device either on or off of the present invention；
Fig. 5 is the structural representation of locking device part-structure of the present invention；
Fig. 6 is the structural representation of central axis of the present invention；
Fig. 7 is the structural representation at this practical pressing plate end spring；
Fig. 8 is the structural representation of locking device principle of the present invention.
In figure：Locking device -1, lower stationery lid -2, upper stationery lid -3, first bear box -4, second born
Box -5, alarm bracelet -6, upper boom -7, middle bar -8, lower beam -9, bottom bar -10, alarm box -11, accessory plate -101, buckle
Tight ring -102, protrusion-dispelling ejecting plate -103, lock end cross bar -104, lock end montant -105, wheel ball -106, central shaft retainer ring -
107th, central shaft -108, gear -109, wheel ball subring -110, cipher ring -111, card lever -112, lock end cross bar are auxiliary
Help cylinder -113, lock end spring -114, lock end fixed transverse rod -115, buckle ring notch -116, slide rail lower end spring -
117th, pressing plate -118, pressing plate end spring -119, pressing plate auxiliary cylinder -120, latch hook end spring -121, slide rail
Bar -122, spring band hook plate -123, slippery fellow -124, anti-lost shell body -125, hook plate -126, pressing matching board -127,
Middle part fixed plate -128.
Embodiment
To be easy to understand the technical means, the inventive features, the objects and the advantages of the present invention, with reference to
Embodiment, the present invention is expanded on further.
Fig. 1-Fig. 8 is referred to, the present invention provides a kind of special anti-lost intelligent writing case technical scheme of student：Its structure bag
Include locking device 1, lower stationery lid 2, upper stationery lid 3, first bear box 4, second bear box 5, alarm bracelet 6, upper boom 7,
Middle bar 8, lower beam 9, bottom bar 10, alarm box 11, the alarm box 11 and the inside of alarm bracelet 6 are provided with the electronic component mutually echoed,
The outer surface of alarm box 11 is mutually fixed with the lower inner surface of stationery lid 2, the lower stationery lid 2 and the upper front end of stationery lid 3
It is fixedly connected with the rear end of locking device 1, the lower end of bottom bar 10 coordinates with the upper internal clearance of stationery lid 3, on the bottom bar 10
End and first bears the slotted eye gap cooperation that box 4 is provided with, and the lower end of lower beam 9 coordinates with the upper gap of stationery lid 3 and middle part
The slotted eye gap that box 4 is provided with being born with first to coordinate, the upper end of lower beam 9 bears the slotted eye gap that box 5 is provided with second and coordinated,
Described one end of upper boom 7 coordinates with the lower gap of stationery lid 2 and the other end and second bears the slotted eye gap cooperation that box 5 is provided with, institute
State lower stationery lid 2 and the upper rear end of stationery lid 3 is hinged, the locking device 1 includes accessory plate 101, buckle ring 102, protrusion-dispelling
Ejecting plate 103, lock end cross bar 104, lock end montant 105, wheel ball 106, central shaft retainer ring 107, central shaft 108, gear 109, wheel
Ball subring 110, cipher ring 111, card lever 112, lock end cross bar assist cylinder 113, lock end spring 114, lock end fixed transverse rod
115th, buckle ring notch 116, slide rail lower end spring 117, pressing plate 118, pressing plate end spring 119, pressing plate auxiliary cylinder
120th, latch hook end spring 121, slide track bar 122, spring band hook plate 123, slippery fellow 124, anti-lost shell body 125, hook plate 126, pressing
Matching board 127, middle part fixed plate 128 form, and the lower end of accessory plate 101 is connected with the upper end of buckle ring 102, the central shaft
108 sequentially pass through anti-lost shell body 125, cipher ring 111, wheel ball subring 110, gear 109 and between gap coordinate, it is described
The lower end of central shaft 108 is installed with central shaft retainer ring 107, and the wheel ball 106 and card lever 112 are respectively with taking turns ball subring 110
Coordinate with the gap of card lever 112, the wheel upper end of ball 106 is connected with the lower end of lock end montant 105, on the lock end montant 105
End is connected with lock end cross bar assist cylinder 113, and the lock end cross bar assist cylinder 113 is consolidated by lock end spring 114 with lock end
Determine cross bar 115 to be connected, the lock end cross bar 104 is coordinated by the band coupler body that it is provided with and the gap of spring band hook plate 123, described
The upper end of spring band hook plate 123 is connected with the lower end of slide track bar 122, between described foxy 124 and the slide rail that is provided with of the inside of slide track bar 122
Gap coordinates, and the lower end of slide track bar 122 is fixedly connected by slide rail lower end spring 117 with the upper end of middle part fixed plate 128, described to press
It is press-fitted the lower end of plywood 127 and is provided with slippery fellow 124, is connected between the pressing matching board 127 by latch hook end spring 121, it is described
Pressing plate auxiliary cylinder 120 is connected by pressing plate end spring 119 with pressing plate 118, the upper end of latch hook end spring 121 with
The lower end of hook plate 126 is fixedly connected, and is provided with buckle ring notch 116 at the anti-lost upper end of shell body 125, after the accessory plate 101
End is fixedly connected with the upper front end of stationery lid 3, between the accessory plate 101 and upper stationery lid 3 and the joint face of accessory plate 101
House type is vertical, and the upper backing of stationery lid 3 is fixedly connected and parallel to each other therebetween with the anti-lost front end of shell body 125,
The buckle ring notch 116 is engaged with the activity of hook plate 126, lock end fixed transverse rod 115, pressing plate auxiliary cylinder 120, Anti-protrusion
Plate 103, middle part fixed plate 128 and anti-lost shell body 125 are integrated, and the lock end spring 114 is applied to lock end cross bar 104
Add one it is downward push power, slide rail lower end spring 117 applies a downward pulling force, the pressing to card lever 112
Plate end spring 119 is applied with a thrust to pressing plate 118, latch hook end spring 121 left and right ends are provided with by press-fitting
Plywood 127 applies a thrust, and the middle part of spring band hook plate 123 is provided with spring, and the spring applies to spring band hook plate 123
One upward thrust, the alarm box 11 inner member of alarm box 11 in 5 meters exceeded from alarm bracelet 6, which will be sent, to be carried
Awake sound, child is reminded to bring back writing case.
It is with teeth on the wheel rim of gear 109 described in this patent continuously to engage the mechanical organ for transmitting motion and power, gear
It is mutually engageable machine components with teeth, application of the gear in transmission transforms into cutting very early there have been 19 end of the centurys
The successive appearance of the principle of method and special purpose machine tool and cutter using this principle cutting, with the development of production, gear operation
Stationarity is taken seriously, and the accuracy of gear refers to the grade divided to the composition error of gear shape, including tooth form,
Some important parameters such as teeth directional, footpath jump, wherein tooth form refer to the radial shape of tooth, and teeth directional refers to the longitudinal shape of tooth, and footpath is jumped
Refer to the error of adjacent two interdental space, the gear of our general automobile usings can be machined by gear-hobbing machine, and 6~7 grades can make
With, and some printing machines run at high speed and batch printing due to needing, therefore need high class gear and add up to be made to reduce gear
Into error and decline printing effect, and the gear grinding machines of domestic production can be machined to 4~5 grades, the high-accuracy grinding of external import
Tooth machine can be machined to 3 ,~4 grades, more have some to be machined to 2 grades.And 4 that 0 grade of Nippon Standard DIN judges equivalent to China
Level, general error by μm in units of, 1 μm=0.001mm
Fasten writing case first when being used, the position of the notch central shaft 108 of left regulation wheel ball subring 110 distribution,
Notch be not all position so that wheel ball 106 and the difference for taking turns the notch cooperation position of ball subring 110, cipher ring 111 will have not
Same password.
When locking device 1 to be opened, lock end cross bar 104 when all wheel balls 106 and the notch of wheel ball subring 110 coordinate
Descent tape move spring band hook plate 123, slide track bar 122, hook plate 126, pressing matching board 127 decline, now pressing plate 118 and pressing
The notch of matching board 127 mutually to it, then extrudes pressing plate 118, between pressing plate 118 and the pressing notch of matching board 127 with hand
Cooperate, thus close to each other between hook plate 126 and pressing matching board 127, now accessory plate 101 can be pulled out, and
When locking device 1 to be locked, as long as the wheel ball 106 of one of them is not consistent cooperation with the wheel notch of ball subring 110.
The present invention solves prior art writing case and is not provided with locking device, and many children's sends out after writing case is given for change
The problem of active thing, being combined with each other by above-mentioned part of the invention, a kind of special anti-lost intelligence text of student of the present invention
Have box, after lower stationery lid and upper stationery lid cover, random rotational password ring 111 (not on password), the He of buckle ring 102
The fastening of accessory plate 101 tightly, and when dynamic cipher ring 111 is rotated on password, buckle ring 102 and accessory plate 101 are opened, thus
After writing case is given for change, the thing in stationery is no longer lost.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above, for this area skill
For art personnel, it is clear that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and without departing substantially from the present invention spirit or
In the case of essential characteristic, the present invention can be realized in other specific forms.Which point therefore, no matter from the point of view of, all should incite somebody to action
Embodiment regards exemplary as, and be it is nonrestrictive, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that all changes fallen in the implication and scope of the equivalency of claim are included in the present invention
It is interior.Any reference in claim should not be considered as to the involved claim of limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (5)
1. a kind of special anti-lost intelligent writing case of student, its structure includes locking device (1), lower stationery lid (2), upper stationery lid
Sub (3), first bear box (4), second bear box (5), alarm bracelet (6), upper boom (7), middle bar (8), lower beam (9), bottom bar
(10) electronic component mutually echoed, the alarm are provided with inside, alarm box (11), the alarm box (11) and alarm bracelet (6)
Box (11) outer surface is mutually fixed with lower stationery lid (2) inner surface, the lower stationery lid (2) and upper stationery lid (3) front end
It is fixedly connected with locking device (1) rear end, it is characterised in that：
Bottom bar (10) lower end coordinates with upper stationery lid (3) internal clearance, and bottom bar (10) upper end and first bears box
(4) the slotted eye gap being provided with coordinates, and lower beam (9) lower end coordinates with upper stationery lid (3) gap and middle part is held with first
Put the slotted eye gap that box (4) is provided with to coordinate, lower beam (9) upper end and second bears the slotted eye gap cooperation that box (5) is provided with, institute
State that upper boom (7) one end coordinates with lower stationery lid (2) gap and the other end bears the slotted eye gap that box (5) is provided with second and matched somebody with somebody
Close, the lower stationery lid (2) and upper stationery lid (3) rear end are hinged；
The locking device (1) includes accessory plate (101), buckle ring (102), protrusion-dispelling ejecting plate (103), lock end cross bar (104), lock
Hold montant (105), wheel ball (106), central shaft retainer ring (107), central shaft (108), gear (109), wheel ball subring
(110), cipher ring (111), card lever (112), lock end cross bar assist cylinder (113), lock end spring (114), lock end are fixed horizontal
Bar (115), buckle ring notch (116), slide rail lower end spring (117), pressing plate (118), pressing plate end spring (119), pressing
Plate auxiliary cylinder (120), latch hook end spring (121), slide track bar (122), spring band hook plate (123), foxy (124), anti-lost outer
Housing (125), hook plate (126), pressing matching board (127), middle part fixed plate (128) composition, accessory plate (101) lower end with
Buckle ring (102) upper end is connected, and the central shaft (108) sequentially passes through anti-lost shell body (125), cipher ring (111), wheel ball
Subring (110), gear (109) and between gap coordinate, central shaft (108) lower end and central shaft retainer ring (107)
Installation, the wheel ball (106) and card lever (112) coordinate with wheel ball subring (110) and card lever (112) gap respectively, institute
State wheel ball (106) upper end with lock end montant (105) lower end to be connected, lock end montant (105) upper end aids in lock end cross bar
Cylinder (113) is connected, and the lock end cross bar assist cylinder (113) passes through lock end spring (114) and lock end fixed transverse rod (115)
It is connected, the lock end cross bar (104) is coordinated by the band coupler body that it is provided with and spring band hook plate (123) gap, the spring
Band hook plate (123) upper end is connected with slide track bar (122) lower end, the slippery fellow (124) and the cunning being provided with inside slide track bar (122)
Rail gap coordinates, and slide track bar (122) lower end is fixed by slide rail lower end spring (117) and middle part fixed plate (128) upper end
Connection, described pressing matching board (127) lower end are provided with foxy (124), pass through latch hook end bullet between the pressing matching board (127)
Spring (121) is connected, and the pressing plate auxiliary cylinder (120) is connected by pressing plate end spring (119) with pressing plate (118)
Connect, latch hook end spring (121) upper end is fixedly connected with hook plate (126) lower end, is set at anti-lost shell body (125) upper end
There is buckle ring notch (116).
A kind of 2. special anti-lost intelligent writing case of student according to claim 1, it is characterised in that：The accessory plate
(101) rear end is fixedly connected with upper stationery lid (3) front end, the accessory plate (101) and upper stationery lid (3) and accessory plate
(101) house type is vertical between joint face.
A kind of 3. special anti-lost intelligent writing case of student according to claim 2, it is characterised in that：The upper stationery lid
(3) backing is fixedly connected and parallel to each other therebetween with anti-lost shell body (125) front end.
A kind of 4. special anti-lost intelligent writing case of student according to claim 2, it is characterised in that：The buckle ring notch
(116) it is engaged with hook plate (126) activity.
A kind of 5. special anti-lost intelligent writing case of student according to claim 2, it is characterised in that：Lock end fixed transverse rod
(115), pressing plate auxiliary cylinder (120), protrusion-dispelling ejecting plate (103), middle part fixed plate (128) and anti-lost shell body (125) are one
Body structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711040040.9A CN107549966A (en) | 2017-10-30 | 2017-10-30 | A kind of special anti-lost intelligent writing case of student |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711040040.9A CN107549966A (en) | 2017-10-30 | 2017-10-30 | A kind of special anti-lost intelligent writing case of student |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107549966A true CN107549966A (en) | 2018-01-09 |
Family
ID=61032123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711040040.9A Pending CN107549966A (en) | 2017-10-30 | 2017-10-30 | A kind of special anti-lost intelligent writing case of student |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107549966A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108577114A (en) * | 2018-03-30 | 2018-09-28 | 深圳市赛亿科技开发有限公司 | A kind of Multifunctional stationary case |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1706304A (en) * | 2004-06-08 | 2005-12-14 | 毛斯阳 | Mulifunctional stationery box |
| CN203257193U (en) * | 2013-03-22 | 2013-10-30 | 东莞市怡丰锁业有限公司 | Coded lock |
| CN206079317U (en) * | 2016-08-26 | 2017-04-12 | 昆明理工大学 | Intelligent bracelet that can report to police |
| CN206548043U (en) * | 2016-11-22 | 2017-10-13 | 杨继能 | A kind of portable Double-puzzle writing case |
-
2017
- 2017-10-30 CN CN201711040040.9A patent/CN107549966A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1706304A (en) * | 2004-06-08 | 2005-12-14 | 毛斯阳 | Mulifunctional stationery box |
| CN203257193U (en) * | 2013-03-22 | 2013-10-30 | 东莞市怡丰锁业有限公司 | Coded lock |
| CN206079317U (en) * | 2016-08-26 | 2017-04-12 | 昆明理工大学 | Intelligent bracelet that can report to police |
| CN206548043U (en) * | 2016-11-22 | 2017-10-13 | 杨继能 | A kind of portable Double-puzzle writing case |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108577114A (en) * | 2018-03-30 | 2018-09-28 | 深圳市赛亿科技开发有限公司 | A kind of Multifunctional stationary case |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180109 |
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| RJ01 | Rejection of invention patent application after publication |