CN108891168A - A kind of novel intelligent retractable pen - Google Patents
A kind of novel intelligent retractable pen Download PDFInfo
- Publication number
- CN108891168A CN108891168A CN201810814161.2A CN201810814161A CN108891168A CN 108891168 A CN108891168 A CN 108891168A CN 201810814161 A CN201810814161 A CN 201810814161A CN 108891168 A CN108891168 A CN 108891168A
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- CN
- China
- Prior art keywords
- transmission shaft
- pen
- fixedly connected
- cavity
- tooth runner
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K24/00—Mechanisms for selecting, projecting, retracting or locking writing units
- B43K24/02—Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions
- B43K24/06—Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions operated by turning means
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- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Abstract
The invention discloses a kind of novel intelligent retractable pens, including pen body and the cavity being arranged in the pen body, pen body left end end face is equipped with the open slot of opening to the left, the first transmission shaft that left and right extends is equipped in the cavity, first transmission shaft left end is fixedly connected with the bull stick for stretching out the open slot outer end, the first transmission shaft right end end is fixedly connected with turntable, first transmission shaft is equipped with the first bevel gear positioned at the turntable left end, the first bevel gear is ratcheting to be connected with power generator, circumferentially being equally spaced on turntable right end end face has claw, the sliding cavity for the radial and circumferentially equidistant distribution that is open is equipped in the pen body, the sliding cavity wall is fixedly connected with spring, the spring closely pen body center of circle end is fixedly connected with the useful snap-gauge with claw sliding connection；The configuration of the present invention is simple, easy to operate, multiple color switching improves convenience, and changing Writing distance prevents myopia.
Description
Technical field
The present invention relates to stationery technical field, specifically a kind of novel intelligent retractable pen.
Background technique
Pen is most common life device in life.The gel ink pen of mechanization of the pen from the writing brush of ancient times birth to the modern times,
It experienced countless transformation and optimizations.Retractable pen in existing life is typically all that the Flexible change of spring is leaned on to realize, stability
It is not high, it is easily damaged.And since the bad habit of user will cause the discomfort of user's body, will cause for a long time irreversible
The injury turned is for example near-sighted.Therefore a kind of novel retractable pen becomes current development inexorable trend, wherein what the present invention illustrated
A kind of retractable pen can solve the above problem.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of novel intelligent retractable pens, are able to solve above-mentioned present
The problems in technology.
The present invention is achieved through the following technical solutions：A kind of novel intelligent retractable pen of the invention, including pen
Body and the cavity being arranged in the pen body, pen body left end end face are equipped with opening open slot to the left, in the cavity
Equipped with the first transmission shaft that left and right extends, first transmission shaft left end, which is fixedly connected with, stretches out turning for the open slot outer end
Bar, the first transmission shaft right end end are fixedly connected with turntable, and first transmission shaft, which is equipped with, is located at the turntable left end
First bevel gear, the first bevel gear is ratcheting to be connected with power generator, and the turntable right end is circumferentially equally spaced on end face
There is claw, the sliding cavity for the radial and circumferentially equidistant distribution that is open is equipped in the pen body, the sliding cavity wall is fixedly connected with
Spring, the spring closely pen body center of circle end are fixedly connected with the snap-gauge of the useful sliding connection with the claw, and described the
One cavity, which is fixedly connected with circumferentially to be equally spaced in the turntable right end and symmetrical fixed ring, the fixed ring, to be had
Port is slidably connected with pen core between the port, axle body is fixedly connected in the fixed ring, is equipped in the axle body
Drive cavity, drive cavity left end inner wall are embedded with button motor, and the button motor right end end has been connected by power snail
Bar is rotatably assorted in the drive cavity and is connected with the third transmission shaft that front and back extends, and the third transmission shaft, which is equipped with, is used for institute
The turbine that worm screw swirls is connected by power is stated, the third transmission shaft is equipped with the first tooth runner positioned at the turbine rear end, institute
State be rotatably assorted in drive cavity be connected with positioned at the third transmission shaft right end and front and back extension the 4th transmission shaft, the described 4th
Transmission shaft is equipped with the second tooth runner with the ratcheting connection of the first tooth runner, is rotatably assorted and is connected in the drive cavity
Positioned at the worm screw same horizontal line and the 5th transmission shaft that front and back extends, the 5th transmission shaft is equipped with with described second
The third tooth runner of the ratcheting connection of tooth runner, the third tooth runner front end surface are equipped with the first fixed tip, the drive cavity
It is inside fixedly connected with the first limited block positioned at the third tooth runner front end, is fixedly connected in the drive cavity described in being located at
Second limited block of the first limited block right end, the interior sliding cavity being equipped with positioned at the drive cavity right end of the axle body, the sliding
The intracavitary hinge-rod for being equipped with left and right and extending, the hinge-rod left end is connect with the first fixed tip hinge, before the hinge-rod
End is equipped with the second fixed tip positioned at first fixed tip left end, and the hinge-rod right end hinge is connected with opening pushing away to the right
Block, the pushing block are fixed with pen tip strut, be fixedly connected in the pen tip strut circumferentially around absorption sponge, the pen
Apical branch bar right end is fixedly connected with the spin axle sleeve of perforation, is equipped in the pen tip strut and to be connected with the spin axle sleeve
Water flowing chamber, pen tip strut outer end end face are equipped with the rolling with being connected with the pen core and circumferentially distributed water inlet
Sphero-cylindrical lens right end, which is rotatably assorted, is connected with spin, and the fixed block of circumferentially equidistant distribution, the fixed block are equipped in the drive cavity
Left end is fixedly connected with spring, and the spring left end is fixedly connected with the pen core, and pen body bottom end end face is filled equipped with soot blowing
It sets
Preferably technical solution, the top of the pen body end face are equipped with pressure sensor, the pressure sensor and the knob
Motor Electricity Federation is detained, thus starting telescopic device at the first time.
Preferably technical solution, the power generator include that embedded micro- of the first cavity top inner wall is arranged in
Generator, the microgenerator bottom end, which is rotatably assorted, is connected with second driving shaft, the second driving shaft bottom end
End is equipped with the second bevel gear with the ratcheting connection of the first bevel gear, to realize power generation process self-sufficientization.
Preferably technical solution, the open slot right end are socketed with instruction disk, and first transmission shaft, which is equipped with, to be referred to
Needle, to show the color of institute's writing refill.
Preferably technical solution, soot blower include vanning, be equipped with that Open Side Down in the vanning it is spacious behave affectedly, institute
It states spacious top inner wall of behaveing affectedly and is embedded with auxiliary motor, the auxiliary motor bottom end is connected by power dynamic transmission shaft,
The power transmission shaft bottom end is equipped with flabellum.
The beneficial effects of the invention are as follows：In the initial state, second fixed tip is located at Novel telescopic pen of the invention
First limited block lower end is retracted to the pen core strut in the cavity, to protect pen.
When Novel telescopic pen of the invention is in working condition, the bull stick is twisted, required for choosing according to the pointer
Color, while turntable rotation pushes the pen core to move right, and presses the pressure sensor, starts the button electricity
Motivation drives the worm screw, and the worm screw swirls, which is connected by power, drives the turbine, and the turbine passes through the third transmission shaft
The first tooth runner is driven, the first tooth runner drives the second tooth runner by ratcheting connection, and second tooth turns
Wheel drives the third tooth runner by ratcheting connection, and the third tooth runner passes through described in the connection drive of the first fixed tip hinge
Hinge-rod, the hinge-rod hinge connection drive the pushing block, and the pushing block, which is fixedly connected, is told pen core strut, the pen core
Water, is sucked that the water flowing is intracavitary to pass through institute by the absorption sponge by the water inlet for sliding into the pen core strut
It states rolling bearing and water is attached to the spin to realize contraction automation, regulating writing distance.
After Novel telescopic pen power cut-off of the invention, the pressure sensor, the button motor reversion are pressed
The worm screw is driven to invert, the worm screw swirls, which is connected by power, drives the turbine, and the turbine passes through the third transmission shaft
The first tooth runner is driven, the first tooth runner drives the second tooth runner by ratcheting connection, and second tooth turns
Wheel drives the third tooth runner by ratcheting connection, and the third tooth runner passes through described in the connection withdrawal of the first fixed tip hinge
The pushing block is withdrawn in hinge-rod, the hinge-rod hinge connection, and the pushing block, which is fixedly connected, to be told described in the drive of pen core strut
Rolling bearing and the spin are withdrawn, to protect pen, are prolonged the service life.
The configuration of the present invention is simple, it is easy to operate, by built-in small power generation equipment, realizes the self-sufficient of power, pass through
Gear is cooperatively connected, the extension penholder of automatic and accurate, so that user be helped to change Writing distance protection eyes, is equipped with a variety of face
Color turntable meets daily demand, promotes convenience.
Detailed description of the invention
The present invention is described in detail by following specific embodiments and drawings for ease of explanation,.
Overall structure diagram when Fig. 1 is a kind of novel intelligent retractable pen work of the invention；
Fig. 2 is the direction the A schematic cross-section of Fig. 1；
The direction the B schematic cross-section of Fig. 3 bitmap 1.
Specific embodiment
As shown in Figure 1-Figure 3, a kind of novel intelligent retractable pen of the invention, including pen body 100 and setting are described
Cavity 101 in pen body 100, the 100 left end end face of pen body are equipped with the open slot 102 of opening to the left, set in the cavity 101
The first transmission shaft 104 for having left and right to extend, 104 left end of the first transmission shaft, which is fixedly connected with, to be stretched out outside the open slot 102
The bull stick 103 at end, the 104 right end end of the first transmission shaft are fixedly connected with turntable 109, set on first transmission shaft 104
There is a first bevel gear 105 positioned at 109 left end of turntable, the first bevel gear 105 is ratcheting to be connected with power generator, described
Circumferentially being equally spaced on 109 right end end face of turntable has claw 112, is equipped with radial and circumferentially equidistant point of opening in the pen body 100
The sliding cavity 145 of cloth, 145 inner wall of sliding cavity are fixedly connected with spring 111, nearly 100 center of circle of pen body of the spring 111
End is fixedly connected with the useful snap-gauge 110 with the claw 112 sliding connection, and first cavity 101 is fixedly connected with position
There is port 114 in being circumferentially equally spaced in 109 right end of turntable and symmetrical fixed ring 113, the fixed ring 113,
It is slidably connected with pen core 115 between the port 114, axle body 116, the axis are fixedly connected in the fixed ring 114
Drive cavity 117 is equipped in body 116, the 117 left end inner wall of drive cavity is embedded with button motor 118, the button motor
118 right end ends have been connected by power worm screw 120, are rotatably assorted in the drive cavity 117 and are connected with the third transmission that front and back extends
Axis 121, the third transmission shaft 121 are equipped with the turbine 122 being connected by power for 120 swirls of worm screw, and the third passes
Moving axis 121 is equipped with the first tooth runner 123 positioned at 122 rear end of turbine, is rotatably assorted and is connected in the drive cavity 117
Positioned at 121 right end of third transmission shaft and the 4th transmission shaft 124 of front and back extension, the 4th transmission shaft 124, which is equipped with, to be used
With the second tooth runner 125 of the ratcheting connection of the first tooth runner 123, being rotatably assorted to be connected in the drive cavity 117 is located at
The 5th transmission shaft 126 that 120 same horizontal line of worm screw and front and back extend, the 5th transmission shaft 126 be equipped with with institute
The third tooth runner 130 of the ratcheting connection of the second tooth runner 125 is stated, it is solid that 130 front end surface of third tooth runner is equipped with first
Determine the tip 128, the first limited block 129 positioned at 130 front end of third tooth runner, institute are fixedly connected in the drive cavity 117
The second limited block 131 being fixedly connected in drive cavity 117 positioned at 129 right end of the first limited block is stated, in the axle body 116
Equipped with the sliding cavity 146 for being located at 117 right end of drive cavity, the hinge-rod 132 that left and right extends is equipped in the sliding cavity 146,
132 left end of hinge-rod is connect with 128 hinge of the first fixed tip, and 132 front end of hinge-rod, which is equipped with, is located at described the
Second fixed tip 127 of one fixed tip, 128 left end, the 132 right end hinge of hinge-rod are connected with the pushing block 134 of opening to the right,
The pushing block 134 is fixed with pen tip strut 135, be fixedly connected in the pen tip strut 135 circumferentially around absorption sponge
136,135 right end of pen tip strut is fixedly connected with the spin axle sleeve 138 of perforation, is equipped with and institute in the pen tip strut 135
State the water flowing chamber 137 that spin axle sleeve 138 is connected, the 135 outer end end face of pen tip strut be equipped with with 115 phase of pen core
Lead to and connect and circumferentially distributed water inlet 140,138 right end of spin axle sleeve, which is rotatably assorted, is connected with spin 139, the transmission
The fixed block 141 of circumferentially equidistant distribution is equipped in chamber 101,141 left end of fixed block is fixedly connected with spring 142, the bullet
142 left end of spring is fixedly connected with the pen core 115, and the 100 bottom end end face of pen body is equipped with soot blower.
Valuably, the 100 upper end end face of pen body is equipped with pressure sensor 119, the pressure sensor 119 and the knob
118 Electricity Federation of motor is detained, thus starting telescopic device at the first time.
Valuably, the power generator includes that the embedded microgenerator of 101 top inner wall of the first cavity is arranged in
108,108 bottom end of microgenerator, which is rotatably assorted, is connected with second driving shaft 107,107 bottom of second driving shaft
Portion end is equipped with the second bevel gear 106 with the ratcheting connection of the first bevel gear 105, thus realize power generation process self-sufficiency from
Footization.
Valuably, 102 right end of open slot is socketed with instruction disk 144, and first transmission shaft 104 is equipped with pointer
143, to show the color of institute's writing refill.
Valuably, wherein soot blower includes vanning 200, and to be equipped with that Open Side Down in the vanning 200 spacious to behave affectedly 201,
The spacious 201 top inner walls of behaveing affectedly are embedded with auxiliary motor 202, and 202 bottom end of auxiliary motor has been connected by power
Power transmission shaft 203,203 bottom end of power transmission shaft are equipped with flabellum 204.
In the initial state, second fixed tip 127 is located at first limited block 129 to Novel telescopic pen of the invention
Lower end is retracted to the pen core strut 135 in the cavity 101.
When Novel telescopic pen of the invention is in working condition, the bull stick 103 is twisted, is chosen according to the pointer 143
Required color, while the rotation of the turntable 109 pushes the pen core 115 to move right, and presses the pressure sensor
119, start the button motor 118 and drive the worm screw 120,120 swirls of worm screw, which is connected by power, drives the turbine
122, the turbine 122 drives the first tooth runner 123 by the third transmission shaft 121, and the first tooth runner 123 is logical
It crosses ratcheting connection and drives the second tooth runner 125, the second tooth runner 125 drives the third tooth to turn by ratcheting connection
Wheel 130, the third tooth runner 130 drive the hinge-rod 132, the hinge-rod by the connection of 128 hinge of the first fixed tip
The connection of 132 hinges drives the pushing block 134, and the pushing block 134, which is fixedly connected, is told pen core strut 135, and the pen core 115 is sliding
It moves to the water inlet 140 of the pen core strut 135, water is sucked by the water flowing chamber by the absorption sponge 136
Water is attached to by the spin 139 by the rolling bearing 138 in 137.
After Novel telescopic pen power cut-off of the invention, the pressure sensor 119 is pressed, the button motor is anti-
Turn that the worm screw 120 is driven to invert, 120 swirls of worm screw, which is connected by power, drives the turbine 122, and the turbine 122 passes through
The third transmission shaft 121 drives the first tooth runner 123, and the first tooth runner 123 passes through described in ratcheting connection drive
Second tooth runner 125, the second tooth runner 125 drive the third tooth runner 130 by ratcheting connection, and the third tooth turns
It takes turns 130 and the hinge-rod 132 is withdrawn by the connection of 128 hinge of the first fixed tip, 132 hinge of hinge-rod connects described in withdrawal
Pushing block 134, the pushing block 134, which is fixedly connected, is told that pen core strut 135 drives the rolling bearing 138 and the spin 139
It withdraws.
The beneficial effects of the invention are as follows：In the initial state, second fixed tip is located at Novel telescopic pen of the invention
First limited block lower end is retracted to the pen core strut in the cavity, to protect pen.
When Novel telescopic pen of the invention is in working condition, the bull stick is twisted, required for choosing according to the pointer
Color, while turntable rotation pushes the pen core to move right, and presses the pressure sensor, starts the button electricity
Motivation drives the worm screw, and the worm screw swirls, which is connected by power, drives the turbine, and the turbine passes through the third transmission shaft
The first tooth runner is driven, the first tooth runner drives the second tooth runner by ratcheting connection, and second tooth turns
Wheel drives the third tooth runner by ratcheting connection, and the third tooth runner passes through described in the connection drive of the first fixed tip hinge
Hinge-rod, the hinge-rod hinge connection drive the pushing block, and the pushing block, which is fixedly connected, is told pen core strut, the pen core
Water, is sucked that the water flowing is intracavitary to pass through institute by the absorption sponge by the water inlet for sliding into the pen core strut
It states rolling bearing and water is attached to the spin to realize contraction automation, regulating writing distance.
After Novel telescopic pen power cut-off of the invention, the pressure sensor, the button motor reversion are pressed
The worm screw is driven to invert, the worm screw swirls, which is connected by power, drives the turbine, and the turbine passes through the third transmission shaft
The first tooth runner is driven, the first tooth runner drives the second tooth runner by ratcheting connection, and second tooth turns
Wheel drives the third tooth runner by ratcheting connection, and the third tooth runner passes through described in the connection withdrawal of the first fixed tip hinge
The pushing block is withdrawn in hinge-rod, the hinge-rod hinge connection, and the pushing block, which is fixedly connected, to be told described in the drive of pen core strut
Rolling bearing and the spin are withdrawn, to protect pen, are prolonged the service life.
The configuration of the present invention is simple, it is easy to operate, by built-in small power generation equipment, realizes the self-sufficient of power, pass through
Gear is cooperatively connected, the extension penholder of automatic and accurate, so that user be helped to change Writing distance protection eyes, is equipped with a variety of face
Color turntable meets daily demand, promotes convenience.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
The change or replacement expected without creative work, should be covered by the protection scope of the present invention.Therefore, of the invention
Protection scope should be determined by the scope of protection defined in the claims.
Claims (5)
1. a kind of novel intelligent retractable pen, including pen body and the cavity being arranged in the pen body, it is characterised in that：It is described
Open slot of the pen body left end end face equipped with opening to the left, interior the first transmission shaft for being equipped with left and right extension of the cavity, described first
Transmission shaft left end is fixedly connected with the bull stick for stretching out the open slot outer end, and the first transmission shaft right end end is fixedly connected with
Turntable, first transmission shaft are equipped with the first bevel gear positioned at the turntable left end, the ratcheting connection of first bevel gear
There is power generator, being circumferentially equally spaced on turntable right end end face has claw, and it is radial and circumferential that opening is equipped in the pen body
The sliding cavity being equally spaced, the sliding cavity wall are fixedly connected with spring, and the spring closely pen body center of circle end is fixed to be connected
It is connected to the snap-gauge being slidably connected with the claw, first cavity is fixedly connected with positioned at the turntable right end and a left side
Right symmetrical fixed ring, being circumferentially equally spaced in the fixed ring has port, is slidably connected with pen core between the port,
It is fixedly connected with axle body in the fixed ring, is equipped with drive cavity in the axle body, drive cavity left end inner wall is embedded with button
Motor, the button motor right end end have been connected by power worm screw, are rotatably assorted before and after being connected with and prolong in the drive cavity
The third transmission shaft stretched, the third transmission shaft are equipped with the turbine being connected by power for the worm screw swirls, and the third passes
Moving axis is equipped with the first tooth runner positioned at the turbine rear end, is rotatably assorted and is connected with positioned at the third in the drive cavity
The 4th transmission shaft that transmission shaft right end and front and back extend, the 4th transmission shaft be equipped with with the ratcheting company of the first tooth runner
The the second tooth runner connect, be rotatably assorted in the drive cavity be connected with positioned at the worm screw same horizontal line and front and back extension the
Five transmission shafts, the 5th transmission shaft are equipped with the third tooth runner with the ratcheting connection of the second tooth runner, the third
Tooth runner front end surface is equipped with the first fixed tip, is fixedly connected in the drive cavity positioned at the third tooth runner front end
First limited block is fixedly connected with the second limited block positioned at the first limited block right end, the axle body in the drive cavity
The interior sliding cavity being equipped with positioned at the drive cavity right end, the interior hinge-rod for being equipped with left and right and extending of the sliding cavity, the hinge-rod
Left end is connect with the first fixed tip hinge, and the hinge-rod front end is equipped with to be consolidated positioned at the second of first fixed tip left end
Determine the tip, the hinge-rod right end hinge is connected with the pushing block of opening to the right, and the pushing block is fixed with pen tip strut, the pen tip
Be fixedly connected in strut circumferentially around absorption sponge, the pen tip strut right end is fixedly connected with the spin axle sleeve of perforation,
Be equipped with the water flowing chamber being connected with the spin axle sleeve in the pen tip strut, pen tip strut outer end end face be equipped with with
The pen core is connected and circumferentially distributed water inlet, and the spin axle sleeve right end, which is rotatably assorted, is connected with spin, the biography
The intracavitary fixed block equipped with circumferentially equidistant distribution is moved, the fixed block left end is fixedly connected with spring, the spring left end and institute
It states pen core to be fixedly connected, pen body bottom end end face is equipped with soot blower.
2. a kind of novel intelligent retractable pen according to claim 1, it is characterised in that：The top of the pen body end face is equipped with
Pressure sensor, the pressure sensor and button motor Electricity Federation.
3. a kind of novel intelligent retractable pen according to claim 1, it is characterised in that：The power generator includes setting
In the microgenerator that the first cavity top inner wall embeds, the microgenerator bottom end, which is rotatably assorted, is connected with the
Two transmission shafts, the second driving shaft bottom end are equipped with the second bevel gear with the ratcheting connection of the first bevel gear.
4. a kind of novel intelligent retractable pen according to claim 1, it is characterised in that：The pen body left end is equipped with circumferential
Open slot, the open slot right end are socketed with instruction disk, and first transmission shaft is equipped with pointer, to show institute's writing refill
Color.
5. a kind of novel intelligent retractable pen according to claim, it is characterised in that：Soot blower includes vanning, described
To be equipped with that Open Side Down in vanning spacious to behave affectedly, and the spacious top inner wall of behaveing affectedly is embedded with auxiliary motor, the auxiliary motor
Bottom end has been connected by power transmission shaft, and the transmission shaft bottom end is equipped with flabellum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810814161.2A CN108891168A (en) | 2018-07-23 | 2018-07-23 | A kind of novel intelligent retractable pen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810814161.2A CN108891168A (en) | 2018-07-23 | 2018-07-23 | A kind of novel intelligent retractable pen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108891168A true CN108891168A (en) | 2018-11-27 |
Family
ID=64351951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810814161.2A Withdrawn CN108891168A (en) | 2018-07-23 | 2018-07-23 | A kind of novel intelligent retractable pen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108891168A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109649045A (en) * | 2018-11-29 | 2019-04-19 | 田翼池 | A kind of junior middle school student's card-smearing writing appliance that pressure is effectively relieved |
-
2018
- 2018-07-23 CN CN201810814161.2A patent/CN108891168A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109649045A (en) * | 2018-11-29 | 2019-04-19 | 田翼池 | A kind of junior middle school student's card-smearing writing appliance that pressure is effectively relieved |
| CN109649045B (en) * | 2018-11-29 | 2020-09-11 | 田翼池 | Junior middle school student who effectively alleviates pressure is with scribbling card pen |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181127 |
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| WW01 | Invention patent application withdrawn after publication |