CN106004127B - Intelligent seal - Google Patents
Intelligent seal Download PDFInfo
- Publication number
- CN106004127B CN106004127B CN201610523364.7A CN201610523364A CN106004127B CN 106004127 B CN106004127 B CN 106004127B CN 201610523364 A CN201610523364 A CN 201610523364A CN 106004127 B CN106004127 B CN 106004127B
- Authority
- CN
- China
- Prior art keywords
- rotation
- lower cover
- lid
- ring
- seal
- Prior art date
- 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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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41K—STAMPS; STAMPING OR NUMBERING APPARATUS OR DEVICES
- B41K1/00—Portable hand-operated devices without means for supporting or locating the articles to be stamped, i.e. hand stamps; Inking devices or other accessories therefor
- B41K1/02—Portable hand-operated devices without means for supporting or locating the articles to be stamped, i.e. hand stamps; Inking devices or other accessories therefor with one or more flat stamping surfaces having fixed images
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41K—STAMPS; STAMPING OR NUMBERING APPARATUS OR DEVICES
- B41K1/00—Portable hand-operated devices without means for supporting or locating the articles to be stamped, i.e. hand stamps; Inking devices or other accessories therefor
- B41K1/36—Details
Landscapes
- Closures For Containers (AREA)
- Sealing Devices (AREA)
Abstract
The invention discloses a kind of intelligent seal, including upper lid, lower cover, back-up ring, switching mechanism and electric rotating machine.In original state, pad is arranged in the pad set the intelligent seal of the present invention, and its chapter is face-up, is hidden in inside accommodation space；Seal lid is covered on lower lid；When needs affix one's seal operation, electric rotating machine drives switching mechanism to overturn 180 ° around left-hand rotation axis center, and now the chapter of pad is face-down, and exposed；It is then possible to which intelligent seal, which is lain in, needs the position affixed one's seal, vertically down press, shell fragment up shrinks, and realizes the control to pad by the control to electric rotating machine, effectively prevent user's private and impresses the behavior of chapter.
Description
Technical field
The present invention relates to Intelligent office apparatus field, more particularly to a kind of intelligent seal.
Background technology
In China, affixing one's seal represents the seal and corresponds to mandate or accreditation with legal effect of the enterprise to file, so
The use of official seal is very serious.If the use to official seal can not carry out effective supervision and management, the custodial staff of official seal is privately
Affixed one's seal on the file approved without enterprise, remedial measure afterwards can only be often to rise to lawsuit, waste time and energy.Give
Enterprise brings about great losses.
The content of the invention
It is an object of the present invention to provide a kind of intelligent seal, and it uses the method for mechanical caging so that passes through uncommitted
Situation, can not also be affixed one's seal even if holder by it；Only in the case where mandate passes through, it can just complete to affix one's seal by holder
Action.
The present invention solves technical problem and adopted the following technical scheme that：A kind of intelligent seal, it include lid, lower cover, back-up ring,
Switching mechanism and electric rotating machine；
The bottom of the lower cover offers circular open, and the lower end of the upper lid is fixed on the lower lid；
The back-up ring is cylindrical shape, and it is located at the surface of the circular open；The upper end of the back-up ring is fixed on described
On upper lid, and its lower end is fixed on the lower lid；
The switching mechanism includes lid, rotation lower cover, the first spring and pad set in left rotary shaft, right spindle, rotation；
The left rotary shaft is rotatablely arranged between the back-up ring and lower cover, and a left side for the radial direction positioned at the back-up ring
Side；The right spindle is arranged between the back-up ring and lower cover, and the right side of the radial direction positioned at the back-up ring；
The rotation lower cover in rotational-like, the both ends of the radial direction of the rotation lower cover be individually fixed in the left rotary shaft and
Right spindle, the lower end of the rotation lower cover are located in the circular open of the lower cover；
The storage tank of accommodating first spring is offered under the rotation on lid, first spring is arranged at the storage tank
It is interior；
Lid is in rotational-like in the rotation, the both ends of the radial direction covered in the rotation be individually fixed in the left rotary shaft and
Right spindle, the pad set is arranged in the rotation in lid, and the axis direction that can be covered along in the rotation, in the rotation
Turn to slide on the madial wall of upper lid；First spring top is put located at the pad；
The electric rotating machine is fixed on the lower lid, and its output shaft is connected in the left rotary shaft.
Optionally, the contact surface of the rotation lower cover and the lower cover is sphere, is formed at the circular open of the lower cover
The sphere being engaged with the sphere of the rotation lower cover.
Optionally, the storage tank is vertically arranged, and its quantity is three or four, and the storage tank is along under the rotation
The circumference of lid is uniformly distributed.
Optionally, the remote left rotary shaft covered in the rotation and one end of right spindle are inwardly protruding, formed with interior method
It is blue；It is engaged on the lateral wall of the pad set formed with baffle ring, the baffle ring with the inner flange；First spring is in
Its pre-compressed state.
Optionally, it is sphere that the surface that is combined with the back-up ring is covered in the rotation, and the sphere covered in the rotation
It can be engaged with the sphere of the lower cover.
Optionally, the intelligent seal also includes travel switch or metal dome, and the travel switch or metal dome are set
It is placed under the rotation on lid, when pad set is close to the rotation lower cover, triggers the travel switch or metal dome.
Optionally, the intelligent seal also includes shell fragment and second spring；The quantity of the shell fragment is 2, its cross section
For circular arc；The opening of two shell fragments is relative；The arc groove being oriented to the shell fragment is offered on the lower lid；Described
One end top of two springs is on the upper lid, and other end top is on the shell fragment.
Optionally, the intelligent seal also includes control system, and the control system includes MCU control unit, Yi Jiyu
Storage element, communication unit, identity recognizing unit and the display unit of MCU control unit signal connection；The travel switch
Or metal dome signal is connected to the MCU control unit；And the MCU control unit is connected by relay and the electric rotating machine
Connect.
Optionally, the electric rotating machine uses the reducing motor with auto-lock function.
The present invention has the advantages that：For the intelligent seal of the present invention in original state, pad is arranged at the print
In cushion cover, and its chapter is face-up, is hidden in inside accommodation space；Seal lid is covered on lower lid；When needs affix one's seal operation,
Electric rotating machine drives switching mechanism to overturn 180 ° around left-hand rotation axis center, and now the chapter of pad is face-down, and exposed；Then, may be used
So that intelligent seal is lain in into the position for needing to affix one's seal, vertically down press, shell fragment up shrinks, and passes through the control to electric rotating machine
System realizes control to pad, effectively prevent user's private and impresses the behavior of chapter.
Brief description of the drawings
Fig. 1 is the structural representation of the intelligent seal of the present invention；
Fig. 2 is the structural representation that Fig. 1 removes seal lid (shell fragment is ejected)；
Fig. 3 is Fig. 2 upward view；
Fig. 4 is the structural representation after the switching mechanism rotation 180 degree in Fig. 2；
Fig. 5 is the structural representation of the control system of the present invention；
Mark is illustrated as in figure：Covered on 701-；702- lower covers；703- back-up rings；704- electric rotating machines；705- left rotary shafts；
706- right spindles；Covered in 707- rotations；708- rotates lower cover；The springs of 709- first；710- pad sets；711- pads；712- is examined
Survey device；713- shell fragments；714- second springs；715- seal lids.
Embodiment
Technical scheme is further elaborated with reference to embodiment and accompanying drawing.
Embodiment 1
A kind of intelligent seal is present embodiments provided, it includes lid 701, lower cover 702, back-up ring 703, switching mechanism, rotation
Rotating motor 704 and control system.
The bottom of the lower cover offers circular open, and the lower end of the upper lid is fixed on the lower lid, so that
There is an accommodation space between the upper lid and lower cover, by the miscellaneous part of the intelligent seal, such as switching mechanism, back-up ring
It is positioned over parts such as electric rotating machines in the accommodation space.
The back-up ring is cylindrical shape, and it is located at the surface of the circular open, i.e., the hollow bulb of described cylindric back-up ring
Divide and overlapped with the axis of the circular open；The upper end of the back-up ring is fixed on the upper lid, and its lower end be fixed on it is described
On lower lid.
The switching mechanism includes lid 707, rotation lower cover 708, the first spring in left rotary shaft 705, right spindle 706, rotation
709 and pad set 710；
With reference to figure 1, the left rotary shaft and right spindle axis overlap, and the left rotary shaft is rotatablely arranged at the back-up ring
Between lower cover, and the left side of the radial direction positioned at the back-up ring；The right spindle is arranged between the back-up ring and lower cover, and position
In the right side of the radial direction of the back-up ring；In the present embodiment, it can be opened up on the back-up ring and accommodate the left rotary shaft and right spindle
Through hole so that the left rotary shaft and right spindle can be located in the through hole, and between the back-up ring and lower cover.
The rotation lower cover in rotational-like, the both ends of the radial direction of the rotation lower cover be individually fixed in the left rotary shaft and
Right spindle, in the present embodiment, the lower end of the rotation lower cover be located in the circular open of the lower cover, and the rotation lower cover and
The contact surface of the lower cover is sphere, meanwhile, formed at the circular open of the lower cover and matched with the sphere of the rotation lower cover
The sphere of conjunction.
The storage tank of accommodating first spring is offered under the rotation on lid, the storage tank is vertically arranged, the present embodiment
In, the quantity of storage tank can be three, four etc., and circumference of the storage tank along the rotation lower cover is uniformly distributed,
First spring is arranged in the storage tank.
Lid is in rotational-like in the rotation, the both ends of the radial direction covered in the rotation be individually fixed in the left rotary shaft and
Right spindle, in the present embodiment, the pad set is slidably disposed in the rotation in lid, i.e. the pad set can edge
The madial wall covered in the rotation, slide on the axis direction covered in the rotation.In the present embodiment, to cause the pad
The position of set is effectively fixed, and the upper end covered in the rotation (one end away from the left rotary shaft and right spindle) is to convex
Rise, formed with inner flange, meanwhile, match on the lateral wall of the pad set formed with baffle ring, the baffle ring with the inner flange
Close；And the upper end top of first spring is put located at the pad, first spring is in its pre-compressed state；To cause
First spring pushes up the pad set, so that the baffle ring is in contact with the inner flange, it is described to cause
The axis direction that pad set can not cover along in the rotation is slidably.
In the present embodiment, it is preferable that it is also sphere that the surface that is combined with the back-up ring is covered in the rotation, and the rotation
Turning the sphere of upper lid can also be engaged with the sphere of the lower cover, when the switching mechanism is overturn, be covered in the rotation
Sphere is engaged with the sphere of the lower cover, and make it that lid is in the circular open of the lower cover in the rotation.
In the present embodiment, to drive the left rotary shaft and right spindle to rotate, in the present embodiment, the electric rotating machine is fixed on
On the lower lid, its output shaft is connected in the left rotary shaft, to drive the switching mechanism to turn over by the electric rotating machine
Turn.In the present embodiment, the electric rotating machine can use the reducing motor with auto-lock function.
When the intelligent seal is by use, number of affixing one's seal for effective detection intelligence seal, in the present embodiment, the intelligence
Energy seal also includes detection means 712, and the detection means is travel switch or metal dome, and the travel switch or pot are young
Piece is arranged under the rotation on lid, and when affixing one's seal, the pad set can be close to the rotation lower cover, and triggers the stroke and open
Close or metal dome acts, so as to realize the identification to operation of affixing one's seal, when being counted to triggering times, you can to realize lid
The statistical function of chapter number.
In the present embodiment, when affixing one's seal, the intelligent seal is upspring to realize, the intelligent seal also includes shell fragment
713 and second spring 714；In the present embodiment, the quantity of the shell fragment is 2, and its cross section is circular arc, is opened on the lower lid
Provided with the arc groove being oriented to the shell fragment；On the upper lid, other end top is set on one end top of the second spring
In on the shell fragment.
In the present embodiment, the intelligent seal also includes seal lid 715, and the seal lid can be threadably secured in institute
State on lower lid, or be sticked in by buckle on the lower lid, by the seal lid, effectively to protect the intelligent seal.
When the seal lid be placed on it is described it is lower cover when, its shell fragment can be pressed into lid and lower cover accommodation space in.
In original state, pad is arranged in the pad set the intelligent seal of the present invention, and its chapter is face-up, hides
Inside accommodation space；Seal lid is covered on lower lid；When needs affix one's seal operation, seal lid is taken out first, now bullet
Piece is down stretched out in the presence of second spring, and whole intelligent seal is supported；Afterwards, electric rotating machine is started working, band
Dynamic switching mechanism overturns 180 ° around left-hand rotation axis center, and now the chapter of pad is face-down, and exposed；It is then possible to by intelligent print
Chapter, which is lain in, needs the position affixed one's seal, vertically down presses, and shell fragment up shrinks, and after paper is encountered in chapter face, pad set is under pressure meeting
Up move, now pad has put a projection and just faced travel switch or metal dome, by travel switch or metal dome pressure
Firmly, the instruction for completion of affixing one's seal is sent；After the completion of affixing one's seal, intelligent seal is unclamped, shell fragment upsprings intelligent seal, and electric rotating machine will
Switching mechanism circles round 180 °, and the chapter of pad is face-up, is hidden in inside accommodation space.
In the present embodiment, to realize the control to the electric rotating machine, the control system includes MCU control unit, with
And storage element, communication unit, identity recognizing unit and display unit being connected with the MCU control unit signal etc..
In the present embodiment, the storage element is used to store operating system, and the MCU control unit runs the operation system
System, and row data communication is entered by communication unit and external network (server), so as to realize the control system and server
Interconnection；And the identity recognizing unit can include fingerprint identification module, iris recognition module and hand vein recognition module etc.；
The applicant's that the identity recognizing unit can be identified fingerprint identification module, iris recognition module and hand vein recognition module
Feature is sent to MCU control unit, and the feature of applicant that the MCU control unit is received is sent to server, is sent out
Go out authorized application.In the present embodiment, the display unit can be capacitive touch screen, and can be realized by the capacitive touch screen
The control of various functions.
When authorized application by after, MCU control unit control electric rotating machine rotates, operation switching mechanism rotation 180
Degree, the action for the motor that then stops the rotation；Because the electric rotating machine is reducing motor, its gear-box can play locking work
With so as to can not be gone to pull pad set with hand, can now affixing one's seal.
And when affixing one's seal every time, the travel switch or metal dome can be triggered once, and the travel switch or pot
Young piece is connected with the MCU control unit signal, and the trigger signal is sent to the MCU control unit；The MCU controls
Unit counts to the trigger signal；When the count value reaches the number of mandate or switching mechanism rotation and is kept 180 degree
After certain time, such as 10 seconds, the MCU control unit control electric rotating machine reversely rotates 180 degree, so as to which pad be taken in
In accommodation space.
Meanwhile therefore the communication unit, can be covered this with functions such as integrated base stations, WIFI, bluetooth, GPS
Server end is sent in telecomm base station numbering, IP address, geographical warp, latitude information joint where when Zhang Zuoye occurs, by taking
Business device carries out integrating positioning according to information above, draws current intelligent seal position.
The mandate of the present invention can be accomplished by the following way, when applicant carries out identification by identity recognizing unit
Afterwards, i.e., authorized application is initiated to server, the authorized application is assigned to authorized client by server, and donor sends mandate and permitted
Can after, intelligent seal receive mandate reply after, do corresponding action.In the present embodiment, the authorization includes being authorized to
People, it is authorized to the time, is authorized to 3 factor combinations of number, you can whether compares the identity characteristic data of applicant with being authorized to
Identity characteristic data in list are coincide, or are not required to compare, and anyone is authorized to.The period is authorized to refer to that mandate is providing
Period in all keep effective, authorized application is effective within the period, not authorizes or authorize failure outside the period.Quilt
Number is authorized to refer to disposably allow to affix one's seal several times.Donor can provide authorization in advance into service system, or when clothes
After business system receives authorization requests, donor provides corresponding authorization again.Each intelligent seal has in systems
Unique number, service system receive the request of the identity characteristic data with applicant of intelligent seal, permitted with current grant
It can be matched, realize authorization response.
In the present embodiment, in order to which electronic seal and physics official seal are combined together, the use of convenient use person, the intelligence
Energy seal is also equipped with the function of E-seal, i.e., described control system also includes USB HUB, to cause the intelligent seal may be used also
With by the USB HUB connections computer (server or personal PC), and MCU control chips operation USB DEVICE agreements, electricity
Sub- cipher key chip also runs USB DEVICE agreements, the both of which USB DEVICE equipment independent as two, passes through
USB HUB are connected to PC, so that function of the intelligent stamping device for conditional electronic official seal.
In addition, MCU control chips can also be converted into webserver pattern, now it does not reconnect computer, but logical
Cross DDNS agreements and the dynamic IP addressing of oneself is tied to specific domain name, so as to provide network to the miscellaneous equipment on network
Service.Now it runs USB HOST agreements, the Electronics Cryptographic Keys of operable operation USB DEVICE agreements, so that by electronics
Official seal power and energy calls for network WEB SERVICE.
The sequencing of above example only for ease of describing, does not represent the quality of embodiment.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (9)
1. a kind of intelligent seal, it is characterised in that including upper lid, lower cover, back-up ring, switching mechanism and electric rotating machine；
The bottom of the lower cover offers circular open, and the lower end of the upper lid is fixed on the lower lid；
The back-up ring is cylindrical shape, and it is located at the surface of the circular open；The upper lid is fixed in the upper end of the back-up ring
On, and its lower end is fixed on the lower lid；
The switching mechanism includes lid, rotation lower cover, the first spring and pad set in left rotary shaft, right spindle, rotation；
The left rotary shaft is rotatablely arranged between the back-up ring and lower cover, and the left side of the radial direction positioned at the back-up ring；Institute
Right spindle is stated to be arranged between the back-up ring and lower cover, and the right side of the radial direction positioned at the back-up ring；
The rotation lower cover is in rotational-like, and the both ends of the radial direction of the rotation lower cover are individually fixed in the left rotary shaft and right-hand rotation
Axle, the lower end of the rotation lower cover are located in the circular open of the lower cover；
The storage tank of accommodating first spring is offered under the rotation on lid, first spring is arranged in the storage tank；
Lid is in rotational-like in the rotation, and the both ends for the radial direction covered in the rotation are individually fixed in the left rotary shaft and right-hand rotation
Axle, the pad set is arranged in the rotation in lid, and the axis direction that can be covered along in the rotation, in the rotation
Slided on the madial wall of lid；First spring top is put located at the pad；
The electric rotating machine is fixed on the lower lid, and its output shaft is connected with the left rotary shaft.
2. intelligent seal according to claim 1, it is characterised in that it is described rotation lower cover and the lower cover contact surface be
Sphere, the sphere being engaged with the sphere for rotating lower cover is formed at the circular open of the lower cover.
3. intelligent seal according to claim 2, it is characterised in that the storage tank is vertically arranged, and its quantity is three
Individual or four, circumference of the storage tank along the rotation lower cover is uniformly distributed.
4. intelligent seal according to claim 3, it is characterised in that the remote left rotary shaft covered in the rotation and the right side
One end of rotating shaft is inwardly protruding, formed with inner flange；Formed with baffle ring on the lateral wall of pad set, the baffle ring with it is described
Inner flange is engaged；First spring is in its pre-compressed state.
5. intelligent seal according to claim 4, it is characterised in that the surface combined with the back-up ring is covered in the rotation
For sphere, and the sphere covered in the rotation can be engaged with the sphere of the lower cover.
6. intelligent seal according to claim 5, it is characterised in that also including travel switch or metal dome, the row
Cheng Kaiguan or metal dome are arranged under the rotation on lid, when pad set is close to the rotation lower cover, described in triggering
Travel switch or metal dome.
7. intelligent seal according to claim 6, it is characterised in that also including shell fragment and second spring；The shell fragment
Quantity is 2, and its cross section is circular arc；The opening of two shell fragments is relative；Offered on the lower lid and the shell fragment is carried out
The arc groove of guiding；One end top of the second spring is on the upper lid, and other end top is on the shell fragment.
8. intelligent seal according to claim 7, it is characterised in that also include including control system, the control system
MCU control unit, and storage element, communication unit, identity recognizing unit and the display being connected with the MCU control unit signal
Unit；The travel switch or metal dome signal are connected to the MCU control unit；And the MCU control unit passes through relay
Device is connected with the electric rotating machine.
9. intelligent seal according to claim 1, it is characterised in that the electric rotating machine uses subtracting with auto-lock function
Speed motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610523364.7A CN106004127B (en) | 2016-07-01 | 2016-07-01 | Intelligent seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610523364.7A CN106004127B (en) | 2016-07-01 | 2016-07-01 | Intelligent seal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106004127A CN106004127A (en) | 2016-10-12 |
| CN106004127B true CN106004127B (en) | 2018-01-19 |
Family
ID=57107106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610523364.7A Active CN106004127B (en) | 2016-07-01 | 2016-07-01 | Intelligent seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106004127B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106827837B (en) * | 2017-01-10 | 2019-03-26 | 南通普瑞特机械有限公司 | A kind of self-contained seal component |
| CN110419935B (en) * | 2017-11-03 | 2021-06-08 | 上海爱餐机器人(集团)有限公司 | Wok component for realizing quick replacement of wok |
| CN109677142B (en) * | 2019-01-18 | 2024-03-29 | 杭州智骨软件科技有限公司 | Automatic seal pressing device for encryption lock catch |
| CN110077129A (en) * | 2019-04-19 | 2019-08-02 | 南宁学院 | A kind of novel commercial seal |
| CN110412034B (en) * | 2019-08-09 | 2021-12-21 | 上海佰恩智电子科技有限公司 | Device for identifying authenticity of seal |
| CN113547851B (en) * | 2020-04-26 | 2023-08-25 | 杭州承章科技有限公司 | Intelligent mobile portable printing control machine |
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| CN101107131A (en) * | 2005-01-25 | 2008-01-16 | 克罗普压印器制造斯科皮克两合公司 | Device for securing the pivot pin of a type unit |
| CN101927621A (en) * | 2009-06-24 | 2010-12-29 | 沙奇哈塔株式会社 | A self-inking stamp |
| CN202345054U (en) * | 2011-12-07 | 2012-07-25 | 浙江豪普森生物识别应用有限公司 | Fingerprint seal protector transmission mechanism |
| CN202923134U (en) * | 2012-10-19 | 2013-05-08 | 牟海娟 | Medical retroflexed seal |
| CN205970434U (en) * | 2016-07-01 | 2017-02-22 | 胡金钱 | Intelligence seal |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000118110A (en) * | 1998-10-19 | 2000-04-25 | Mitsubishi Pencil Co Ltd | Seal holder |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20205193U1 (en) * | 2002-04-03 | 2002-08-08 | Shih Shiny | daters |
| CN101107131A (en) * | 2005-01-25 | 2008-01-16 | 克罗普压印器制造斯科皮克两合公司 | Device for securing the pivot pin of a type unit |
| CN101927621A (en) * | 2009-06-24 | 2010-12-29 | 沙奇哈塔株式会社 | A self-inking stamp |
| CN202345054U (en) * | 2011-12-07 | 2012-07-25 | 浙江豪普森生物识别应用有限公司 | Fingerprint seal protector transmission mechanism |
| CN202923134U (en) * | 2012-10-19 | 2013-05-08 | 牟海娟 | Medical retroflexed seal |
| CN205970434U (en) * | 2016-07-01 | 2017-02-22 | 胡金钱 | Intelligence seal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106004127A (en) | 2016-10-12 |
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