CN107961986A - A kind of unpowered high harmony resonator thickness category filter device - Google Patents
A kind of unpowered high harmony resonator thickness category filter device Download PDFInfo
- Publication number
- CN107961986A CN107961986A CN201711173228.0A CN201711173228A CN107961986A CN 107961986 A CN107961986 A CN 107961986A CN 201711173228 A CN201711173228 A CN 201711173228A CN 107961986 A CN107961986 A CN 107961986A
- Authority
- CN
- China
- Prior art keywords
- transfer pipe
- sideboard
- jie electricity
- electricity areas
- electromagnet
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/04—Sorting according to size
- B07C5/06—Sorting according to size measured mechanically
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
- B07C5/362—Separating or distributor mechanisms
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses a kind of unpowered high harmony resonator thickness category filter device, including:First transmission line, the second transmission line and monitor station, wherein:First transmission line, the second transmission line are respectively equipped with the first Transfer pipe, the second Transfer pipe, and monitor station is equipped with the first Transfer pipe of connection, the linear groove of the second Transfer pipe;The connectivity part of first Transfer pipe, the second Transfer pipe and linear groove is respectively equipped with the first sideboard, the second sideboard, and the first iron plate body, the second iron plate body are respectively equipped with the first sideboard, the second sideboard;The first electromagnet is respectively equipped with first Transfer pipe, the second Transfer pipe, has the second electromagnet;The bottom of linear groove is equipped with the first Jie electricity areas, the second Jie electricity areas, is internally provided with movable block, the bottom of movable block is equipped with the 3rd Jie electricity areas, and when the 3rd Jie electricity areas are overlapped with the first Jie electricity areas, first electromagnet is powered, and when it is overlapped with the second Jie electricity areas, the second electromagnet is powered.Harmony of the present invention is good, and without power drive.
Description
Technical field
The present invention relates to electronic technology field, more particularly to a kind of unpowered high harmony resonator thickness classifying screen to choose to install
Put.
Background technology
Resonator just refers to the electronic component for producing resonant frequency, common to be divided into quartz-crystal resonator and ceramic resonance
Device.With the characteristics of stabilization, interference free performance is good, it is widely used in various electronic products.Resonator is in production by various
Factor, has part and produces the problem of degree of appearance face is heaved, it is necessary to be rejected.But existing resonator thickness screening plant
Still have some deficits part, it would be highly desirable to improves.
The content of the invention
Based on technical problem existing for above-mentioned background technology, the present invention proposes a kind of unpowered high harmony resonator thickness
Category filter device.
The present invention proposes a kind of unpowered high harmony resonator thickness category filter device, including:For to resonance
The first transmission line, the second transmission line and the monitor station between the first transmission line and the second transmission line that device is transmitted, its
In:
First transmission line, the second transmission line are respectively equipped with the first Transfer pipe, the second Transfer pipe, and monitor station is equipped with connection
The linear groove of first Transfer pipe, the second Transfer pipe;
The connectivity part of first Transfer pipe and linear groove is equipped with the connectivity part of the first sideboard, the second Transfer pipe and linear groove
Equipped with the second sideboard, and the side of the first sideboard is rotatablely connected by first rotating shaft and the first Transfer pipe, is set on the first sideboard
There is the first iron plate body, the side of the second sideboard is rotatablely connected by the second shaft and the second Transfer pipe, and the second sideboard is equipped with
Second iron plate body;
Torque spring is mounted in first rotating shaft, the second shaft;The side wall of first Transfer pipe and first rotating shaft homonymy
Inside it is equipped with the first electromagnet;The second electromagnet is equipped with the side wall of second Transfer pipe and the second shaft homonymy;
The extending direction of linear groove is vertical with the first Transfer pipe and the second Transfer pipe extending direction, the bottom of linear groove
Equipped with the first Jie electricity areas being connected with the first electromagnet and the second Jie electricity areas being connected with the second electromagnet, the first Jie electricity areas,
Two Jie electricity areas are respectively positioned on the side of the first Transfer pipe and the second Transfer pipe extending direction, and along between the extending direction of linear groove
Away from arrangement;
Linear groove is internally provided with the movable block that can be moved along linear groove extending direction, movable block be located at the first Transfer pipe,
Second Transfer pipe is equipped with the 3rd of connection power supply and connects close to the first Jie electricity areas and the side in the second Jie electricity areas, the bottom of movable block
Electric area, and when the 3rd Jie electricity areas are overlapped with the first Jie electricity areas, the first electromagnet is powered, when it is overlapped with the second Jie electricity areas,
Second electromagnet is powered;
Movable block is equipped with resetting spring close to the side in the first Jie electricity areas and the second Jie electricity areas, and when resetting spring is in certainly
During right state, the 3rd Jie electricity areas are located at side of the first Jie electricity areas away from the second Jie electricity areas, movable block away from resetting spring one
The object placing cavity for being used for placing workpiece is formed between side and the side wall of linear groove, when the compressed value of resetting spring reaches the first preset value
When, the 3rd Jie electricity areas are overlapped with the first Jie electricity areas, when the compressed value of resetting spring reaches the second preset value, the 3rd Jie electricity areas with
Second Jie electricity areas overlap.
Preferably, side side of the movable block away from compression spring is equipped with rubber spacer.
Preferably, movable block is made by elastomeric material.
Preferably, the first sideboard is equipped with rubber spacer close to the side side of the second sideboard.
Preferably, the second sideboard is equipped with rubber spacer close to the side side of the first sideboard.
Preferably, the first sideboard is made by elastomeric material.
Preferably, the second sideboard is made by elastomeric material.
In the present invention, by setting linear groove on monitor station, communicate therewith first is set to pass in the both sides of linear groove
Passage, the second Transfer pipe are sent, and respectively between the first Transfer pipe and linear groove, between the second Transfer pipe and linear groove
First sideboard, the second sideboard are set, the first iron plate body, the second iron plate body are set on the first sideboard, the second sideboard respectively, respectively
The first Transfer pipe, the second Transfer pipe side wall in the first electromagnet, the second electromagnet are set;By in linear trench bottom
First Jie electricity areas, the second Jie electricity areas are set, movable block is set in linear groove, the 3rd Jie electricity areas are set in movable block bottom, and
When the 3rd Jie electricity areas is overlapped with the first Jie electricity areas, the first electromagnet is powered, when it is overlapped with the second Jie electricity areas, the second electromagnetism
Tie Tong electricity.During work, workpiece to be detected is placed in object placing cavity, when the decrement of spring reaches the first preset value, explanation
The thickness of workpiece meets the requirements, and at this time, the first electromagnet is powered, and inhales dynamic first iron plate with the suction produced using the first electromagnet
Body makes the first sideboard be rotated to the side away from linear groove so that the first Transfer pipe is connected with linear groove, utilizes the first electromagnet
The suction of generation, which inhales dynamic second iron plate body, makes the second sideboard be rotated to close to the side of linear groove workpiece is pushed to the first biography
Send in passage;When the decrement of spring reaches the second preset value, illustrate that the thickness of workpiece exceeds its claimed range, at this time, the
Two electromagnet are powered, and inhaling dynamic second iron plate body with the suction produced using the second electromagnet makes the second sideboard to remote linear groove
Side rotates so that the second Transfer pipe is connected with linear groove, and the suction produced using the second electromagnet, which inhales dynamic first iron plate body, to be made
First sideboard is rotated so that the workpiece is pushed in the second Transfer pipe to close to the side of linear groove.
In conclusion the unpowered high harmony resonator thickness category filter device of one kind proposed by the present invention, utilizes
One sideboard, the second sideboard, the first iron plate body, the second iron plate body, the first electromagnet, the second electromagnet and movable block and resetting spring
Coordinate, can effectively realize the screening operation of the resonator to unqualified thickness lattice, and the qualified workpiece after the screening and unqualified work
Part can to subsequent processing, the coordination between whole each component of screening operation be good for sort pass automatically, and is driven without power
It is dynamic so that whole device is small, and energy consumption is low.
Brief description of the drawings
Fig. 1 is a kind of structural representation of unpowered high harmony resonator thickness category filter device proposed by the present invention
Figure.
Embodiment
In the following, technical scheme is described in detail by specific embodiment.
As shown in Figure 1, Fig. 1 is a kind of unpowered high harmony resonator thickness category filter device proposed by the present invention
Structure diagram.
A kind of unpowered high harmony resonator thickness category filter device proposed with reference to Fig. 1, the embodiment of the present invention, bag
Include:For the first transmission line 1, the second transmission line 2 and positioned at the first transmission line 1 and the second transmission line transmitted to resonator
Monitor station 3 between 2, first transmission line 1, the second transmission line 2 are respectively equipped with the first Transfer pipe, the second Transfer pipe,
Monitor station 3 is equipped with the first Transfer pipe of connection, the linear groove of the second Transfer pipe.
The connectivity part of first Transfer pipe and linear groove is equipped with the first sideboard 4, the connection of the second Transfer pipe and linear groove
Place is equipped with the second sideboard 5, and the side of the first sideboard 4 is rotatablely connected by 6 and first Transfer pipe of first rotating shaft, the first sideboard
4 are equipped with the first iron plate body, and the side of the second sideboard 5 is rotatablely connected by the second shaft 7 and the second Transfer pipe, the second sideboard
5 are equipped with the second iron plate body.Torque spring is mounted in first rotating shaft 6, the second shaft 7;First Transfer pipe and first turn
The first electromagnet 8 is equipped with the side wall of 6 homonymy of axis, the second electricity is equipped with the side wall of 7 homonymy of the second Transfer pipe and the second shaft
Magnet 9.
The extending direction of linear groove is vertical with the first Transfer pipe and the second Transfer pipe extending direction, the bottom of linear groove
Equipped with the first Jie electricity areas A being connected with the first electromagnet 8 and the second Jie electricity areas B being connected with the second electromagnet 9, the first Jie electricity areas
A, the second Jie electricity areas B is respectively positioned on the side of the first Transfer pipe and the second Transfer pipe extending direction, and along the extension of linear groove
Direction spacing arrangement.Linear groove, which is internally provided with, to be located at first along the movable block 10 that linear groove extending direction moves, movable block 10
Close to the side of the first Jie electricity areas A and the second Jie electricity areas B, the bottom of movable block 10, which is equipped with, to be connected for Transfer pipe, the second Transfer pipe
The 3rd Jie electricity areas of power supply are met, and when the 3rd Jie electricity areas are overlapped with the first Jie electricity areas A, the first electromagnet 8 is powered, when itself and
When two Jie electricity areas B are overlapped, the second electromagnet 9 is powered.
Movable block 10 is equipped with resetting spring 11 close to the side of the first Jie electricity areas A and the second Jie electricity areas B, and works as resetting spring
11 in the raw when, the 3rd Jie electricity areas are located at sides of the first Jie electricity areas A away from the second Jie electricity areas B, and movable block 10 is remote
The object placing cavity for being used for placing workpiece is formed between the side of resetting spring 11 and the side wall of linear groove, when the compression of resetting spring 11
When value reaches the first preset value, the 3rd Jie electricity areas are overlapped with the first Jie electricity areas A, and when the compressed value of resetting spring 11, to reach second pre-
If during value, the 3rd Jie electricity areas are overlapped with the second Jie electricity areas B.During work, workpiece to be detected is placed in object placing cavity, when spring
When decrement reaches the first preset value, illustrate that the thickness of workpiece meets the requirements, at this time, the first electromagnet 8 is powered, to utilize first
The suction that electromagnet 8 produces, which inhales dynamic first iron plate body, makes the first sideboard 4 be rotated to the side away from linear groove so that the first transmission
Passage is connected with linear groove, and the suction produced using the first electromagnet 8, which inhales dynamic second iron plate body, makes the second sideboard 5 to by near-linear
The side of groove is rotated so that workpiece is pushed in the first Transfer pipe;When the decrement of spring reaches the second preset value, explanation
The thickness of workpiece exceeds its claimed range, and at this time, the second electromagnet 9 is powered, and is inhaled with the suction produced using the second electromagnet 9 dynamic
Second iron plate body makes the second sideboard 5 be rotated to the side away from linear groove so that the second Transfer pipe is connected with linear groove, utilization
The suction that second electromagnet 9 produces, which inhales dynamic first iron plate body, makes the first sideboard 4 be rotated to close to the side of linear groove with by the work
Part is pushed in the second Transfer pipe.
From the foregoing, it will be observed that the present invention sets what is communicated therewith by setting linear groove on monitor station 3, in the both sides of linear groove
First Transfer pipe, the second Transfer pipe, and respectively between the first Transfer pipe and linear groove, the second Transfer pipe with it is linear
First sideboard 4, the second sideboard 5 are set between groove, first iron plate body, second are set on the first sideboard 4, the second sideboard 5 respectively
Iron plate body, respectively the first Transfer pipe, the second Transfer pipe side wall in the first electromagnet 8, the second electromagnet 9 are set;It is logical
Cross and the first Jie electricity areas A, the second Jie electricity areas B are set in linear trench bottom, movable block 10 is set in linear groove, at 10 bottom of movable block
Portion sets the 3rd Jie electricity areas, and when the 3rd Jie electricity areas is overlapped with the first Jie electricity areas A, the first electromagnet 8 is powered, when itself and second
When Jie electricity areas B is overlapped, the second electromagnet 9 is powered.First sideboard 4, the second sideboard 5, the first iron plate body, the second iron plate body, first
Electromagnet 8, the second electromagnet 9 coordinate with movable block 10 and resetting spring 11, can effectively realize the resonator to unqualified thickness lattice
Screening operation, and qualified workpiece after the screening and unqualified workpiece can automatically sort pass to subsequent processing, whole screening
The coordination to work between each component is good, and without power drive so that whole device is small, and energy consumption is low.
In addition, side side of the movable block 10 away from compression spring, the first sideboard 4 are close to the second sideboard 5 in the present embodiment
Side side, the second sideboard 5 be equipped with rubber spacer on the side side of the first sideboard 4, to avoid in the course of work
Middle disfiguring workpiece.And for the effect of more preferable antisitic defect workpiece, it can also directly utilize elastomeric material creative activity block 10,
One sideboard 4 and the second sideboard 5.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
- A kind of 1. unpowered high harmony resonator thickness category filter device, it is characterised in that including:For to resonator into The first transmission line (1), the second transmission line (2) and the inspection between the first transmission line (1) and the second transmission line (2) of row transmission Scaffold tower (3), wherein:First transmission line (1), the second transmission line (2) are respectively equipped with the first Transfer pipe, the second Transfer pipe, and monitor station (3) is set There are the first Transfer pipe of connection, the linear groove of the second Transfer pipe;The connectivity part of first Transfer pipe and linear groove is equipped with the connectivity part of the first sideboard (4), the second Transfer pipe and linear groove Equipped with the second sideboard (5), and the side of the first sideboard (4) is rotatablely connected by first rotating shaft (6) and the first Transfer pipe, and first Sideboard (4) is equipped with the first iron plate body, and the side of the second sideboard (5) is rotated by the second shaft (7) and the second Transfer pipe to be connected Connect, the second sideboard (5) is equipped with the second iron plate body;First rotating shaft (6), the second shaft are mounted on torque spring on (7);First Transfer pipe in the side wall of first rotating shaft (6) homonymy with being equipped with the first electromagnet (8);Second Transfer pipe and the second shaft (7) The second electromagnet (9) is equipped with the side wall of homonymy;The extending direction of linear groove is vertical with the first Transfer pipe and the second Transfer pipe extending direction, and the bottom of linear groove is equipped with The first Jie electricity areas (A) being connected with the first electromagnet (8) and the second Jie electricity areas (B) being connected with the second electromagnet (9), first connects Electric area (A), the second Jie electricity areas (B) are respectively positioned on the side of the first Transfer pipe and the second Transfer pipe extending direction, and along linear The extending direction spacing arrangement of groove;Linear groove is internally provided with can be along the movable block (10) that linear groove extending direction moves, movable block (10) positioned at the first Transfer pipe, the second Transfer pipe close to the first Jie electricity areas (A) and the side in the second Jie electricity areas (B), activity The bottom of block (10) is equipped with the 3rd Jie electricity areas of connection power supply, and when the 3rd Jie electricity areas are overlapped with the first Jie electricity areas (A), first Electromagnet (8) is powered, and when it is overlapped with the second Jie electricity areas (B), the second electromagnet (9) is powered;Movable block (10) is close to first The side in Jie electricity areas (A) and the second Jie electricity areas (B) is equipped with resetting spring (11), and works as resetting spring (11) in the raw When, the 3rd Jie electricity areas are located at side of the first Jie electricity areas (A) away from the second Jie electricity areas (B), and movable block (10) is away from resetting spring (11) object placing cavity for being used for placing workpiece is formed between side and the side wall of linear groove, when the compressed value of resetting spring (11) reaches During to the first preset value, the 3rd Jie electricity areas are overlapped with the first Jie electricity areas (A), and when the compressed value of resetting spring (11), to reach second pre- If during value, the 3rd Jie electricity areas are overlapped with the second Jie electricity areas (B).
- 2. unpowered high harmony resonator thickness category filter device according to claim 1, it is characterised in that activity Side side of the block (10) away from compression spring is equipped with rubber spacer.
- 3. unpowered high harmony resonator thickness category filter device according to claim 1, it is characterised in that activity Block (10) is made by elastomeric material.
- 4. unpowered high harmony resonator thickness category filter device according to claim 1, it is characterised in that first Sideboard (4) is equipped with rubber spacer close to the side side of the second sideboard (5).
- 5. unpowered high harmony resonator thickness category filter device according to claim 1, it is characterised in that second Sideboard (5) is equipped with rubber spacer close to the side side of the first sideboard (4).
- 6. unpowered high harmony resonator thickness category filter device according to claim 1, it is characterised in that first Sideboard (4) is made by elastomeric material.
- 7. unpowered high harmony resonator thickness category filter device according to claim 1, it is characterised in that second Sideboard (5) is made by elastomeric material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711173228.0A CN107961986A (en) | 2017-11-22 | 2017-11-22 | A kind of unpowered high harmony resonator thickness category filter device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711173228.0A CN107961986A (en) | 2017-11-22 | 2017-11-22 | A kind of unpowered high harmony resonator thickness category filter device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN107961986A true CN107961986A (en) | 2018-04-27 |
Family
ID=61999661
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201711173228.0A Pending CN107961986A (en) | 2017-11-22 | 2017-11-22 | A kind of unpowered high harmony resonator thickness category filter device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107961986A (en) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102177409A (en) * | 2008-10-10 | 2011-09-07 | 阿克里奥公司 | Resonator length measurement |
CN203479212U (en) * | 2013-10-18 | 2014-03-12 | 宁波泰立电子科技有限公司 | Auxiliary detection tool of resonator shape and dimension |
RU2517801C1 (en) * | 2012-10-19 | 2014-05-27 | Федеральное государственное бюджетное учреждение науки Институт общей физики им. А.М. Прохорова Российской академии наук (ИОФ РАН) | Tunable fabry-perot interferometer |
CN204788140U (en) * | 2015-07-03 | 2015-11-18 | 东莞创群石英晶体有限公司 | Box is examined to quartz crystal syntonizer product sieve |
CN205982464U (en) * | 2016-08-12 | 2017-02-22 | 台晶(宁波)电子有限公司 | Centrifugal exercise test equipment of quartz crystal syntonizer |
CN206235638U (en) * | 2016-12-08 | 2017-06-09 | 中国电子科技集团公司第四十六研究所 | A kind of test probe separates device of stripline resonator tester |
CN106969827A (en) * | 2017-04-12 | 2017-07-21 | 浙江大学 | A kind of microvibration measuring method based on quartz-crystal resonator |
-
2017
- 2017-11-22 CN CN201711173228.0A patent/CN107961986A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102177409A (en) * | 2008-10-10 | 2011-09-07 | 阿克里奥公司 | Resonator length measurement |
RU2517801C1 (en) * | 2012-10-19 | 2014-05-27 | Федеральное государственное бюджетное учреждение науки Институт общей физики им. А.М. Прохорова Российской академии наук (ИОФ РАН) | Tunable fabry-perot interferometer |
CN203479212U (en) * | 2013-10-18 | 2014-03-12 | 宁波泰立电子科技有限公司 | Auxiliary detection tool of resonator shape and dimension |
CN204788140U (en) * | 2015-07-03 | 2015-11-18 | 东莞创群石英晶体有限公司 | Box is examined to quartz crystal syntonizer product sieve |
CN205982464U (en) * | 2016-08-12 | 2017-02-22 | 台晶(宁波)电子有限公司 | Centrifugal exercise test equipment of quartz crystal syntonizer |
CN206235638U (en) * | 2016-12-08 | 2017-06-09 | 中国电子科技集团公司第四十六研究所 | A kind of test probe separates device of stripline resonator tester |
CN106969827A (en) * | 2017-04-12 | 2017-07-21 | 浙江大学 | A kind of microvibration measuring method based on quartz-crystal resonator |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN206344202U (en) | Scientific and technological management cut-parts device | |
CN107961986A (en) | A kind of unpowered high harmony resonator thickness category filter device | |
CN104226585A (en) | Tea-leaf screening machine | |
CN206000929U (en) | A kind of inverter being applied to dither | |
CN103058122A (en) | Cotton fluffing device | |
CN202022585U (en) | Batching device | |
CN207910639U (en) | A kind of electronic product anti-misoperation device | |
CN202573059U (en) | Tablet press with vibrating screen | |
CN207853821U (en) | A kind of focus type photovoltaic power generation apparatus of fixation | |
CN104972471A (en) | Z-axis moving device of automatic screen assembling machine | |
CN202640978U (en) | Air drying device for electronic shaft printing machine | |
CN205499465U (en) | Pad pasting equipment for electronic equipment | |
CN203958679U (en) | Novel evacuated wrapping machine | |
CN205363471U (en) | Motor watertight fittings of vertical glass four sides edging machine | |
CN211469738U (en) | Novel material conveying device | |
CN206734871U (en) | A kind of PCB mistake proofings bar | |
CN204957629U (en) | Rectilinear screw conveyer suitable for in aspect of industrial production | |
CN209583017U (en) | Blanking Suction cup assembly for small screen glass | |
CN204089977U (en) | Based on solar powered camera head | |
CN106737835A (en) | Mechanical rocker arm with pressure sensor | |
CN204738107U (en) | Medical cotton device of shop that fills up machine | |
CN203051633U (en) | Double-head floor grinding machine gear case | |
CN206912317U (en) | Unilateral milling special machine | |
CN202643531U (en) | Outlet locking device on inlet transition chamber | |
CN106737833A (en) | Mechanical rocker arm |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180427 |
|
RJ01 | Rejection of invention patent application after publication |