CN109892835A - Go up and down adjustable cantilever reading stand - Google Patents
Go up and down adjustable cantilever reading stand Download PDFInfo
- Publication number
- CN109892835A CN109892835A CN201711308711.5A CN201711308711A CN109892835A CN 109892835 A CN109892835 A CN 109892835A CN 201711308711 A CN201711308711 A CN 201711308711A CN 109892835 A CN109892835 A CN 109892835A
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- reading stand
- elevating lever
- shaft
- reading
- fixed
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Abstract
The present invention relates to lifting adjustable cantilever reading stand, including base pinch, pole bracket and reading stand, base pinch includes upper clip and lower clamping piece, and the front end of lower clamping piece is provided with a movable intermediate plate, is connected between movable intermediate plate and lower frame plate by bolt;Pole bracket includes adjusting rod, first level bar and the second horizon bar, the adjusting rod includes outer tube, elevating lever, screw rod and driving motor, when driving motor drives screw turns, screw rod will drive elevating lever to move up and down by the internal screw thread of elevating lever lower end, to realize lifting rod bracket automatic lifting.Lifting adjustable cantilever reading stand of the invention has base pinch, entire bracket can be fixed on any clamp on object, and pole bracket has adjusting rod, can driving motor driving under automatic lifting, it is any to adjust height, make to read at a distance from panel keeps between user, is promoted and be applicable in comfort level.
Description
Technical field
Present invention relates particularly to a kind of lifting adjustable cantilever reading stands.
Background technique
For the knowledge of continuous studying new knowledge, people need frequent read books, often held in hands in read books books or
Books are placed on desk and press page turning, this reading method is very inconvenient, time-consuming and laborious.Understand when reading laborsaving by arm
It lowers, permanent reading will cause cervical vertebra problem, if needing that books are taken height for a long time in order to which cervical vertebra is comfortable, being easy fatigue.
Therefore, occur some easy to read book brackets at present, such as China application CN201520372862.7 is disclosed
A kind of books reading stand, the bracket include the bottom plate and turnover panel being hinged, and are hinged with bracket, bracket on the top of bottom plate
In the groove being provided on bottom plate, be provided at the back side of turnover panel it is a plurality of with horizontal distribution support slot, and support slot with
The free end of bracket matches, and the positive outer profile edge of turnover panel is provided with blend stop, and on two opposite sides of turnover panel
It is additionally provided with the bookend controlled by torsional spring.The bracket can adjust support height in a certain range, but the bracket is only fitted
It is used for being placed in horizontal table top, application range is smaller.
Summary of the invention
It is only applicable to be placed in horizontal table top to solve book bracket in the prior art and use, application range is relatively narrow
The problem of, the present invention provides a kind of lifting adjustable cantilever reading stands.The technical problem to be solved in the present invention passes through following
Technical solution is realized:
Go up and down adjustable cantilever reading stand, which is characterized in that including base pinch, pole bracket and reading stand, the pedestal
Folder is fixed on the lower end of pole bracket, for pole bracket to be fixed on supporting object, the upper end of the pole bracket with read
The back side for reading bracket is connected by Damping rotation shaft, and the reading stand reads publication for fixed;
The base pinch includes upper clip and lower clamping piece, and the upper clip is connected with lower clamping piece by shaft, forms a clamp-like,
The front end of the lower clamping piece is provided with a movable intermediate plate, is connected between movable intermediate plate and lower frame plate by bolt, the activity folder
Piece adjusts opening angle by fulcrum of the bolt, so that reaching fitting parallel with upper clip realizes the effect for increasing clamping stability
Fruit;
The pole bracket includes adjusting rod, first level bar and the second horizon bar, and the first level bar is perpendicular to the tune
Pole, and the rear end of first level bar and the top of adjusting rod are connected by L-type connector, the front end of the first level bar and the
One end of two horizon bars is hinged, and the other end of second horizon bar and the back side of reading stand are connected by Damping rotation shaft;
The adjusting rod includes outer tube, elevating lever, screw rod and driving motor, and the bottom of the outer tube and upper clip, which are fixed, to be connected
It connects, the fixed bottom for being located at outer tube of driving motor, the elevating lever is vertically inserted in outer tube, the upper end of the elevating lever
It is connect with the Damping rotation shaft at the reading stand back side, the lower end of elevating lever is provided with internal screw thread, the lower end of screw rod and driving motor
Output shaft is mutually fixed, and the screw rod is inserted in inside elevating lever in a tubular form, and screw rod and the internal screw thread rotation of elevating lever lower end are set
Together, when driving motor drives screw turns, screw rod will drive elevating lever or more by the internal screw thread of elevating lever lower end
It is mobile, to realize adjusting rod automatic lifting.
Further, in lifting adjustable cantilever reading stand of the present invention, the front end clamping part of the upper clip
It is equipped with a soft neonychium, the activity intermediate plate is equipped with the second neonychium corresponding with protection pad position.
Further, it in lifting adjustable cantilever reading stand of the present invention, is provided on the inside of the outer tube anti-
Turn groove, the lower end outside of the elevating lever is provided with anti-rotation gag lever post, which is located at the anti-rotation groove of outer tube
It is interior, it prevents elevating lever when moving up and down, is rotated together with threaded.
Further, in lifting adjustable cantilever reading stand of the present invention, the reading stand includes reading face
Plate, the middle part for reading panel are equipped with longitudinal groove, and the bottom of the longitudinal groove is equipped with through slot, slides in the through slot
Equipped with slide plate, it is described read the top of panel, the two sides of longitudinal groove are respectively equipped with horizontal concrete chute, in the horizontal concrete chute and
The reading panel two sides slidably connect slidable panels respectively, and the left and right ends of each slidable panels are respectively equipped with clamping
Device.
Further, in lifting adjustable cantilever reading stand of the present invention, each clamper includes setting
In a pair of of fixed plate on the slidable panels and the pin shaft being arranged between two fixed plate, each pin shaft is worn respectively
The middle part of an arch-shaped pressing plate is crossed, on each arch-shaped pressing plate and far from one end bottom for reading panel and the sliding
Leaf spring is respectively equipped between the upper surface of panel.
Further, in lifting adjustable cantilever reading stand of the present invention, the Damping rotation shaft includes: shaft
The shaft for covering, being arranged in shaft set, the shaft includes the damper portion being fixed together and interconnecting piece;The shape of damper portion
Shape is cylinder, and is threaded through in the inner hole of shaft set, and the surface of damper portion is provided with a plurality of first protrusions, the first protrusion
It is uniformly distributed in the axial direction of damper portion, in an imaginary circles, the virtual diameter of a circle is big on the top of each first protrusion
In the diameter of bore of shaft set, the material of the first protrusion is elastic material;
The axle sleeve and interconnecting piece are fixedly connected with the other end at the back side of reading stand and the second horizon bar respectively.
Beneficial effects of the present invention:
Lifting adjustable cantilever reading stand of the invention has base pinch, entire bracket can be fixed on and any clamp object
On body, it is not limited to desktop, the upper clip and movable intermediate plate and lower clamping piece that base pinch uses clamp jointly, wherein activity intermediate plate can be with
It is rotated between upper clip and lower clamping piece using bolt as fulcrum, reaches fitting parallel with upper clip and realize increase clamping stability
Effect may adapt to the supporting object of a variety of different-thickness, and table edge, nightstand, tea table etc. can be applicable in, therefore be applicable in model
It encloses more extensively, and pole bracket has adjusting rod, can be gone up and down by driving motor, it is any to adjust height, make reading face
Suitable distance is kept between plate and user, promotes usage comfort.
The present invention is described in further details below with reference to accompanying drawings and embodiments.
Detailed description of the invention
Fig. 1 is the overall structure diagram for going up and down adjustable cantilever reading stand.
Fig. 2 is the structural schematic diagram of base pinch.
Fig. 3 is the structure sectional view of adjusting rod.
Fig. 4 is the structural schematic diagram for going up and down the reading stand of adjustable cantilever reading stand.
Fig. 5 is the structure sectional view of Damping rotation shaft.
Fig. 6 is the viewgraph of cross-section of Damping rotation shaft.
In figure: 10- base pinch, 11- upper clip, 12- lower clamping piece, 13- shaft, 14- neonychium, 15- activity intermediate plate, 16-
Bolt, the second neonychium of 17-, 20- reading stand, 21- read panel, 22- longitudinal groove, 23- through slot, 24- slide plate, 25- cross
To sliding slot, 26- slidable panels, 271- fixed plate, 272- pin shaft, 273- arch-shaped pressing plate, 30- pole bracket, 31- adjusting rod,
311- outer tube, 312- elevating lever, 313- screw rod, 314- driving motor, 315- anti-rotation groove, 316- turn gag lever post, 32- first
Horizon bar, the second horizon bar of 33- 40, motor switch, 50- Damping rotation shaft, 51- shaft set, the shaft in 52-, 521- damper portion,
522- interconnecting piece, the first protrusion of 523-.
Specific embodiment
Reach the technical means and efficacy that predetermined purpose is taken for the present invention is further explained, below in conjunction with attached drawing and reality
Example is applied to a specific embodiment of the invention, structure feature and its effect, detailed description are as follows.
In the description of the present invention, it is to be understood that, term " longitudinal direction ", " length ", " circumferential direction ", preceding ", " rear ", " left side ",
The orientation or positional relationship of the instructions such as " right side ", "top", "bottom", "inner", "outside" is that orientation based on the figure or position are closed
System, is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have
Specific orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral;It can be mechanical connect
It connects, is also possible to be electrically connected or can communicate with each other;It can be directly connected, can also indirectly connected through an intermediary, it can
To be the interaction relationship of connection or two elements inside two elements.For the ordinary skill in the art,
The specific meanings of the above terms in the present invention can be understood according to specific conditions.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is at least two, such as two
It is a, three etc., unless otherwise specifically defined.
Embodiment 1:
It is only applicable to be placed in horizontal table top to solve book bracket in the prior art and use, application range is relatively narrow to ask
Topic, the present invention provide a kind of lifting adjustable cantilever reading stand as shown in Figure 1.Going up and down adjustable cantilever reading stand includes
Base pinch 10, pole bracket 30 and reading stand 20, base pinch 10 are fixed on the lower end of pole bracket 30, are used for pole bracket
30 are fixed in supporting object, and the upper end of pole bracket 30 is connect with the back side of reading stand 20 by Damping rotation shaft 50, read
Bracket 20 reads publication for fixed.
As shown in Fig. 2, base pinch 10 includes upper clip 11 and lower clamping piece 12, upper clip 11 and lower clamping piece 12 pass through shaft 13
Connection, forms a clamp-like, and the front end of lower clamping piece 12 is provided with a movable intermediate plate 15, leads between movable intermediate plate 15 and lower frame plate 12
The connection of bolt 16 is crossed, movable intermediate plate 15 is that fulcrum adjusts opening angle with the bolt 16, to reach patch parallel with upper clip 11
Close the effect realized and increase clamping stability.As long as, all can any range in the opening effective range of upper clip and lower clamping piece
Adjustment activity intermediate plate angle, and achieve the effect that movable intermediate plate is parallel with upper clip and be bonded clamping, increase the folder of base pinch
Holding force amount.When being clamped on the biggish support article of thickness, movable intermediate plate will receive lower clamping piece clamping traction and with upper folder
Piece is bonded grips in parallel.
As improvement project, the front end clamping part of upper clip 41 is equipped with a soft neonychium 14, sets on movable intermediate plate 15
There is the second neonychium 16 corresponding with 14 position of neonychium, to protect clamped desktop not damaged.
Pole bracket includes vertical adjusting rod 31 and first level bar 32, the second horizon bar 33, and first level bar 32 hangs down
Directly in adjusting rod 31, and the rear end of first level bar 32 is connect with the top of adjusting rod 31 by L-type connector, first level bar 32
Front end and the second horizon bar 33 one end it is hinged, the other end of the second horizon bar 33 and the back side of reading stand 20 pass through damping
Shaft 50 connects.As shown in figure 3, adjusting rod 31 includes outer tube 311, elevating lever 312, screw rod 313 and driving motor 314, outside
The bottom of casing 311 welds with upper clip 11 or is fixedly connected with form using other, and driving motor 314 is fixed to be located at outer tube
311 bottom, elevating lever 312 are vertically inserted in outer tube 311, the resistance of the upper end and 20 back side of reading stand of elevating lever 312
Buddhist nun's shaft 50 connects, and the lower end of elevating lever 312 is provided with internal screw thread, the lower end of screw rod 313 and the output shaft phase of driving motor 314
Fixed, screw rod 313 is inserted in inside elevating lever 312 in a tubular form, and screw rod 313 and the internal screw thread rotation of 312 lower end of elevating lever are set
Together, when driving motor 314 drives screw rod 313 to rotate, screw rod 313 will pass through the internal screw thread band of 312 lower end of elevating lever
Dynamic elevating lever 312 moves up and down, to realize adjusting rod automatic lifting.
The outside of outer tube 311 is arranged in the motor switch 40 of driving motor, and motor switch 40 is common triggering manually
Switch, including switch and reversal switch are rotated forward, it is concatenated by drive circuit board and power supply, the driving motor at the reading stand back side
Circuit loop.Motor switch 40 controls switching on and off for the power supply of motor, controls the starting of driving motor, shuts down and turn
Dynamic direction, when rotating forward, are raised above, when reversion, falls downward;And then the lifting for controlling elevating lever makes adjusting rod 30 be in difference
Height, to meet different needs.
As improvement project, anti-rotation groove 315 is provided on the inside of outer tube 311, the lower end outside of elevating lever 312 is provided with
Anti-rotation gag lever post 316, the anti-rotation gag lever post 316 are located in the anti-rotation groove 315 of outer tube 311, prevent elevating lever 312 on work
When lower mobile, rotated together with threaded 313.
The lifting adjustable cantilever reading stand of the present embodiment have base pinch, entire bracket can be fixed on it is any can
It clamps on object, is not limited to desktop, the upper clip that base pinch uses clamps jointly with movable intermediate plate and lower clamping piece, wherein activity folder
Piece can rotate between upper clip and lower clamping piece using bolt as fulcrum, reach fitting parallel with upper clip and realize that increase clamping is steady
Qualitative effect, and pole bracket has adjusting rod, can carry out going up and down any adjusting height by driving motor, make reading face
At a distance from plate is kept between user, is promoted and be applicable in comfort level.
As shown in figure 4, reading stand 20 includes reading panel 21, the middle part for reading panel 21 is equipped with longitudinal groove 22, indulges
It is equipped with through slot 23 to the bottom of groove 22, that slides in through slot 23 is equipped with slide plate 24, reads top, the longitudinal groove 22 of panel 21
Two sides be respectively equipped with horizontal concrete chute 25, slidably connect slidable panels respectively in horizontal concrete chute 25 and reading 21 two sides of panel
26, the left and right ends of each slidable panels 26 are respectively equipped with clamper.
Each clamper include a pair of of fixed plate 271 for being arranged on slidable panels 26 and setting two fixed plates 271 it
Between pin shaft 272, each pin shaft 272 is each passed through the middle part of an arch-shaped pressing plate 273, on each arch-shaped pressing plate 273 and separate
It reads and is respectively equipped with leaf spring between one end bottom of panel 21 and the upper surface of slidable panels 26.
As shown in Figure 5 and Figure 6, Damping rotation shaft 50 includes the shaft 52 that shaft covers 51, is arranged in shaft set 51, shaft 52
Including the damper portion 521 being fixed together and interconnecting piece 522;The shape of damper portion 521 is cylinder, and is threaded through and turns
In the inner hole of axle sleeve 51, the surface of damper portion 521 is provided with a plurality of first protrusions 523, and the first protrusion 523 is in damper portion 521
Axial direction be uniformly distributed, in an imaginary circles, which is greater than shaft set 51 for the top of each first protrusion 523
Diameter of bore, the material of the first protrusion 523 is elastic material.
Axle sleeve and interconnecting piece are fixedly connected with the other end at the back side of reading stand and the second horizon bar respectively.Rotation is read
The rotation in shaft covers of panel shaft, after reaching suitable position, the first protrusion covers resilient clamp by shaft, so as to so as to read
Panel is kept in the position.
It is connected at the top of bracket 2 and interconnecting piece 522, bracket 2 drives shaft 52 to rotate by interconnecting piece 522, wherein damping effect
Fruit is generated by the own resilient of the first protrusion 523, and in the present embodiment, the first protrusion 523 uses ABS plastic, but is not limited to
This, can also be using other elastic materials such as polyurethane, rubber.First protrusion 523 and damper portion 521 can using just as material
Matter is integrally formed production, can also be made and is integrally formed by way of injection molding or others of different materials, damper portion 521
Production can also be integrally formed using identical material with interconnecting piece 522, can also be made respectively of different materials, then
It is fixed together for example, by bonding or other achievable modes that are fixedly connected.
It is needed during the inner hole that damper portion 521 is installed to shaft set 51 in advance to the first raised 523 applications effect
Power makes it generate elastic deformation, and the vertical range on the vertex and 521 axis of damper portion that make the first protrusion 523 is less than shaft set 51
Inner hole radius, just can guarantee, by damper portion 521 be successfully installed to shaft set 51 inner hole in.It is used in the present embodiment
Be provided with the cylinder shape groove coaxial with damper portion 521 on the end face of damper portion 521, the first protrusion 523 be internally provided with
The deformation space of the connection of cylinder shape groove.Damper portion 521 and the first protrusion 523 in this way becomes hollow structure, makes the first protrusion
Active force required for 523 flexible deformation becomes very low, is conducive to the installation of damper portion 521.
Go up and down adjustable cantilever reading stand use process is as follows:
Upper clip and lower clamping piece are pressed with hand, base pinch is clamped in supporting object, hand is unclamped and just realizes clamping;Then it opens
Motor switch, switching on and off for the power supply of motor switch control motor, controls the starting of driving motor, shuts down and rotate
Direction, when driving motor drives screw turns, screw rod will be driven on elevating lever by the internal screw thread of elevating lever lower end and be moved down
It is dynamic, to realize that adjusting bracket automatic lifting makes adjusting bracket be in different height.
The spine of books is placed in longitudinal groove, pushes slidable panels that the clamper on slidable panels is made to reach books
Books are fixed on clamper and are read on panel by edge, and books bottom contacts slide plate, stablize books.
User adjusts the tilt angle for reading panel, and Damping rotation shaft rotates and stops at suitable position, so that it may start
Reading.Both hands have been liberated, and have been conducive to alleviate shoulder neck fatigue.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention
Protection scope.
Claims (6)
1. going up and down adjustable cantilever reading stand, which is characterized in that including base pinch, pole bracket and reading stand, the bottom
Seat folder is fixed on the lower end of pole bracket, for pole bracket to be fixed on supporting object, the upper end of the pole bracket with
The back side of reading stand is connected by Damping rotation shaft, and the reading stand reads publication for fixed;
The base pinch includes upper clip and lower clamping piece, and the upper clip is connected with lower clamping piece by shaft, forms a clamp-like,
The front end of the lower clamping piece is provided with a movable intermediate plate, is connected between movable intermediate plate and lower frame plate by bolt, the activity folder
Piece adjusts opening angle by fulcrum of the bolt, so that reaching fitting parallel with upper clip realizes the effect for increasing clamping stability
Fruit;
The pole bracket includes adjusting rod, first level bar and the second horizon bar, and the first level bar is perpendicular to the tune
Pole, and the rear end of first level bar and the top of adjusting rod are connected by L-type connector, the front end of the first level bar and the
One end of two horizon bars is hinged, and the other end of second horizon bar and the back side of reading stand are connected by Damping rotation shaft;
The adjusting rod includes outer tube, elevating lever, screw rod and driving motor, and the bottom of the outer tube and upper clip, which are fixed, to be connected
It connects, the fixed bottom for being located at outer tube of driving motor, the elevating lever is vertically inserted in outer tube, the upper end of the elevating lever
It is connect with the Damping rotation shaft at the reading stand back side, the lower end of elevating lever is provided with internal screw thread, the lower end of screw rod and driving motor
Output shaft is mutually fixed, and the screw rod is inserted in inside elevating lever in a tubular form, and screw rod and the internal screw thread rotation of elevating lever lower end are set
Together, when driving motor drives screw turns, screw rod will drive elevating lever or more by the internal screw thread of elevating lever lower end
It is mobile, to realize adjusting rod automatic lifting.
2. lifting adjustable cantilever reading stand according to claim 1, which is characterized in that the front end of the upper clip presss from both sides
Portion is held equipped with a soft neonychium, the activity intermediate plate is equipped with the second neonychium corresponding with protection pad position.
3. lifting adjustable cantilever reading stand according to claim 2, which is characterized in that setting on the inside of the outer tube
There is anti-rotation groove, the lower end outside of the elevating lever is provided with anti-rotation gag lever post, which is located at the anti-rotation of outer tube
It in groove, prevents elevating lever when moving up and down, is rotated together with threaded.
4. lifting adjustable cantilever reading stand according to claim 3, which is characterized in that the reading stand includes readding
Panel is read, the middle part for reading panel is equipped with longitudinal groove, and the bottom of the longitudinal groove is equipped with through slot, slides in the through slot
It is dynamic to be equipped with slide plate, the top for reading panel, longitudinal groove two sides be respectively equipped with horizontal concrete chute, in the horizontal concrete chute
And slidable panels are slidably connected respectively in the reading panel two sides, the left and right ends of each slidable panels are respectively equipped with
Clamper.
5. lifting adjustable cantilever reading stand according to claim 3, which is characterized in that each clamper includes
A pair of of the fixed plate being arranged on the slidable panels and the pin shaft being arranged between two fixed plates, each pin shaft point
Not Chuan Guo an arch-shaped pressing plate middle part, on each arch-shaped pressing plate and far from one end bottom for reading panel with it is described
Leaf spring is respectively equipped between the upper surface of slidable panels.
6. lifting adjustable cantilever reading stand according to claim 3, which is characterized in that the Damping rotation shaft includes turning
Axle sleeve, the shaft being arranged in shaft set, the shaft includes the damper portion being fixed together and interconnecting piece;
The shape of damper portion is cylinder, and is threaded through in the inner hole of shaft set, and the surface of damper portion is provided with a plurality of the
One protrusion, the first protrusion are uniformly distributed in the axial direction of damper portion, and the top of each first protrusion is somebody's turn to do in an imaginary circles
Virtual diameter of a circle is greater than the diameter of bore of shaft set, and the material of the first protrusion is elastic material;
The axle sleeve and interconnecting piece are fixedly connected with the other end at the back side of reading stand and the second horizon bar respectively.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711308711.5A CN109892835A (en) | 2017-12-11 | 2017-12-11 | Go up and down adjustable cantilever reading stand |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711308711.5A CN109892835A (en) | 2017-12-11 | 2017-12-11 | Go up and down adjustable cantilever reading stand |
Publications (1)
Publication Number | Publication Date |
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CN109892835A true CN109892835A (en) | 2019-06-18 |
Family
ID=66942446
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201711308711.5A Withdrawn CN109892835A (en) | 2017-12-11 | 2017-12-11 | Go up and down adjustable cantilever reading stand |
Country Status (1)
Country | Link |
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CN (1) | CN109892835A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110419867A (en) * | 2019-08-20 | 2019-11-08 | 苏州好姿视矫正器材科技有限公司 | Multi-functional reading-rack |
CN115128330A (en) * | 2022-08-25 | 2022-09-30 | 国网山东省电力公司高青县供电公司 | Handheld electronic device for electrical variable measurement and electrical variable measurement method |
-
2017
- 2017-12-11 CN CN201711308711.5A patent/CN109892835A/en not_active Withdrawn
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110419867A (en) * | 2019-08-20 | 2019-11-08 | 苏州好姿视矫正器材科技有限公司 | Multi-functional reading-rack |
CN110419867B (en) * | 2019-08-20 | 2024-02-20 | 苏州好姿视矫正器材科技有限公司 | Multifunctional reading rack |
CN115128330A (en) * | 2022-08-25 | 2022-09-30 | 国网山东省电力公司高青县供电公司 | Handheld electronic device for electrical variable measurement and electrical variable measurement method |
CN115128330B (en) * | 2022-08-25 | 2022-11-25 | 国网山东省电力公司高青县供电公司 | Handheld electronic device for electrical variable measurement and electrical variable measurement method |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190618 |
|
WW01 | Invention patent application withdrawn after publication |