CN109227739A - A kind of letter box arrangement - Google Patents
A kind of letter box arrangement Download PDFInfo
- Publication number
- CN109227739A CN109227739A CN201811019230.7A CN201811019230A CN109227739A CN 109227739 A CN109227739 A CN 109227739A CN 201811019230 A CN201811019230 A CN 201811019230A CN 109227739 A CN109227739 A CN 109227739A
- Authority
- CN
- China
- Prior art keywords
- chamber
- shaft
- turn
- slide
- fixed
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D5/08—Means for actuating the cutting member to effect the cut
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/06—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form
- B26D7/0625—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form by endless conveyors, e.g. belts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/18—Means for removing cut-out material or waste
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/16—Perforating by tool or tools of the drill type
Abstract
The invention discloses a kind of letter box arrangements, including body, chamber is slided equipped with extended up and down in the body, described slide is symmetrically arranged with first turn of chamber in inner wall at left and right sides of chamber, it is described slide to slide in chamber ramp is installed, end surface symmetric is equipped with tooth form item at left and right sides of the ramp, first rotating shaft is rotatably installed in end wall before and after first turn of chamber, the first rotating shaft is fixed with sector gear and the first driving wheel, first driving wheel is located on rear side of the sector gear, the first rotating shaft is rotatably equipped with the second shaft far from described slide in the front and back end wall of chamber, the first toothed wheel is fixed in second shaft, third shaft is rotatably installed in end wall before and after first turn of chamber between second shaft and the first rotating shaft.
Description
Technical field
The present invention relates to mailbox processing technique field, specifically a kind of letter box arrangement.
Background technique
Mailbox processing in often to carry out stapling operation, needed before bookbinding using perforating device to mailbox panel into
Row punches, and the perforating device Setting pattern in tradition is single, and needs manpower is excessive to come into operation, while cannot achieve same
Multiple groups drilling operation on one straight line, greatly reduces processing efficiency, there are larger drawback, needs to improve.
Summary of the invention
Deficiency in view of the above technology, the invention proposes a kind of letter box arrangements.
A kind of letter box arrangement of the present invention, including body, be equipped in the body it is extended up and down slide chamber, it is described to slide chamber
Be symmetrically arranged with first turn of chamber in the inner wall of the left and right sides, it is described slide to slide in chamber ramp is installed, described ramp or so two
Side end face is symmetrically arranged with tooth form item, is rotatably equipped with first rotating shaft before and after first turn of chamber in end wall, and described first turn
Axis is fixed with sector gear and the first driving wheel, and first driving wheel is located on rear side of the sector gear, and described first turn
Axis is rotatably equipped with the second shaft far from described slide in the front and back end wall of chamber, be fixed with first in second shaft
Toothed wheel rotatably installs third in end wall before and after first turn of chamber between second shaft and the first rotating shaft
Shaft is fixed with the second tooth form with the sector gear and first toothed wheel mating connection in the third shaft
Wheel, it is described to slide intracavitary roof equipped with second turn of chamber, third is symmetrically arranged in the body at left and right sides of second turn of chamber
Turn chamber, the third turns rotatably to be equipped with the 4th shaft in the end wall of chamber front and back, is fixed with first in the 4th shaft
Taper cone pulley and the second driving wheel, second driving wheel are located on rear side of first taper cone pulley, second turn of chamber with it is described
Third turns rotatably to be equipped with the 5th shaft between chamber, is fixed with second in the 5th shaft in second turn of chamber
Taper cone pulley, the third turn to be fixed with the third cone being cooperatively connected with first taper cone pulley in the 5th shaft in chamber
Shape wheel can be slided by bearing in the pivoted housing that is equipped with of rotation, the pivoted housing bottom through described in the ramp ramp
Platform bottom end face is outer and bottom end is fixed with drill bit, and the upward spline in port, the spline are equipped in the pivoted housing
Middle spline fitted is equipped with upward extended splined shaft, at the top of the splined shaft extended end protrude into second turn of chamber and with it is solid
Surely the driving machine being set in second turn of intracavitary roof is connected by power, and is fixedly mounted on the splined shaft in second turn of chamber
There is the 4th taper cone pulley being cooperatively connected with second taper cone pulley, described below first turn of chamber slides at left and right sides of chamber
It is symmetrically arranged in wall and leads to external delivery chute, the delivery chute inner bottom wall is equipped with conveyor chamber, end wall before and after the conveyor chamber
In symmetrical 6th shaft is rotatably installed, delivery wheel is fixed in the 6th shaft, described in left and right two
By conveying band connection between delivery wheel, the body is equipped with irradiation unit, and the irradiation unit includes arm and irradiation
Lamp.
Further technical solution, the third, which turns to lead between chamber and first turn of chamber, to be provided with first and leads to slot,
Transmission is connected with the first biography led in slot positioned at described first between first driving wheel and second driving wheel
Dynamic band.
Further technical solution extends in the body on rear side of the conveyor chamber upwards and is provided with the 5th turn of chamber, right
Extended end is protruded into the 5th turn of chamber and is rotatably assorted with inner wall on rear side of the 5th turn of chamber on rear side of the 6th shaft of side
It connects, third driving wheel, extended end on rear side of second shaft is fixed in the 6th shaft in the 5th turn of chamber
It protrudes into the 5th turn of chamber and is rotatably assorted with inner wall on rear side of the 5th turn of chamber and connect, described the in the 5th turn of chamber
It is fixed with the 4th driving wheel in two shafts, is passed between the third driving wheel and the 4th driving wheel by the second transmission belt
It is dynamic to be cooperatively connected.
Further technical solution is located in the ramp at left and right sides of the pivoted housing and is symmetrically arranged with perforative cunning up and down
Row hole, it is described slide to slide to be fitted in hole slide bar, the bar upper and lower ends that slide slide chamber or more with described respectively
Both ends ratio is fixedly connected, and described bar Shangrao of sliding is equipped with the pressure spring to offset with the ramp bottom end face.
Further technical solution, is equipped with the forward drawer slot in port on front side of the body in end door, the drawer slot with
It is described slide to lead between chamber be provided with second and lead to slot, slided in the drawer slot and drawer part be installed, in the drawer part
Equipped with the upward container in port.
Further technical solution, the arm are symmetrically disposed on end top at left and right sides of the body, and the photograph
Shot-light is fixedly installed on the arm bottom.
The beneficial effects of the present invention are:
Mailbox panel when in use, is protruded into the delivery chute on right side first, is placed in mailbox panel by apparatus of the present invention
On the conveyer belt, the driving machine rotation is then controlled, it can be by being driven by the splined shaft after the driving machine rotation
The pivoted housing drives the drill bit rotation, meanwhile, described 4th taper wheel drive or so two can be passed through after the splined shaft rotation
A second taper cone pulley rotates backward, and two second taper cone pulleies in left and right are rotated backward and can be driven by the 5th shaft
The third taper cone pulley, the first taper cone pulley, the 4th shaft, the second driving wheel, the first driving wheel, first rotating shaft and the sector
Gear rotation can drive described second by the first toothed wheel described in the second tooth form wheel drive after the sector gear rotation
Shaft, the 4th driving wheel, third driving wheel, the 6th shaft and delivery wheel rotation can pass through after the delivery wheel rotation
Conveyer belt gradually by mailbox panel be delivered to it is described slide in chamber, when the sector gear and second toothed wheel completely disengage
Afterwards, the drill bit is located at right above the mailbox panel, and the delivery wheel stops operating, and the first punch position is determined as a result,
It can be meshed with the tooth form item after the sector gear continues to rotate, the ramp thus can be driven to drive the drill bit
It moves down, so as to carry out drilling operation, the equidistant punch operation of the multiple groups that thus can back and forth practise in same plane can mention significantly
High perforating efficiency and punching effect；
Mailbox panel after the completion of punching can pass through the delivery chute dispatch in left side to the external world；
Due to being provided with drawer part in the present invention, break flour generated in punch operation can be led to slot by second and fall into receipts
In tank, centralized collection can be convenient for, improve spatter property when punch operation.
Apparatus of the present invention structure is simple, and high degree of automation, can be significantly, it can be achieved that equidistant punch operation on same plane
Labor intensity is reduced, perforating efficiency and punching effect are improved.
Detailed description of the invention
The present invention is described in detail by following specific embodiments and drawings for ease of explanation,.
Fig. 1 is a kind of overall structure diagram of letter box arrangement of the invention.
Fig. 2 is arrow direction structural schematic diagram in Fig. 1.
Specific embodiment
As shown in Figs. 1-2, a kind of letter box arrangement of the invention, including body 10 are equipped in the body 10 and extend up and down
Slide chamber 11, described slide is symmetrically arranged with first turn of chamber 24 in 11 left and right sides inner wall of chamber, described slide slides peace in chamber 11
Equipped with ramp 40,40 left and right sides end surface symmetric of ramp is equipped with tooth form item 39, first turn of chamber, the 24 front and back end wall
In first rotating shaft 18 is rotatably installed, the first rotating shaft 18 is fixed with sector gear 19 and the first driving wheel 43, institute
It states the first driving wheel 43 and is located at 19 rear side of sector gear, the first rotating shaft 18 is far from the front and back end wall for sliding chamber 11
In the second shaft 22 is rotatably installed, the first toothed wheel 23, second shaft are fixed in second shaft 22
Third shaft 20 is rotatably installed in first turn of chamber, the 24 front and back end wall between 22 and the first rotating shaft 18, described
The second toothed wheel 21 with the sector gear 19 and first toothed wheel 23 mating connection is fixed in three shafts 20,
11 inner roof wall of chamber that slides is equipped with second turn of chamber 34, is symmetrically arranged in the body 10 of second turn of chamber, 34 left and right sides
Third turns chamber 31, and the third turns rotatably to be equipped with the 4th shaft 27 in 31 front and back end wall of chamber, in the 4th shaft 27
It is fixed with the first taper cone pulley 28 and the second driving wheel 29, after second driving wheel 29 is located at first taper cone pulley 28
Side, second turn of chamber 34 and the third turn rotatably to be equipped with the 5th shaft 32 between chamber 31, second turn of chamber 34
In the 5th shaft 32 on be fixed with the second taper cone pulley 33, the third turns solid in the 5th shaft 32 in chamber 31
It is fixed to be equipped with the third taper cone pulley 30 being cooperatively connected with first taper cone pulley 28, it can by bearing in the ramp ramp 40
Pivoted housing 17 is installed in rotation, 17 bottom of pivoted housing is outer through 40 bottom end face of ramp and the fixation of bottom end is set
There is drill bit 45, the upward spline 16 in port is equipped in the pivoted housing 17, spline fitted is equipped with upwards in the spline 16
Extended splined shaft 38, the 38 top extended end of splined shaft protrude into second turn of chamber 34 and be fixedly installed on described
Driving machine 35 in two turns of 34 inner roof walls of chamber is connected by power, and is fixedly installed on the splined shaft 38 in second turn of chamber 34 and institute
The 4th taper cone pulley 37 of the second taper cone pulley 33 mating connection is stated, the described of first turn of chamber, 24 lower section slides 11 left and right sides of chamber
It is symmetrically arranged in inner wall and leads to external delivery chute 12,12 inner bottom wall of delivery chute is equipped with conveyor chamber 13, the conveyor chamber
Symmetrical 6th shaft 15 is rotatably installed in 13 front and back end walls, is fixed with delivery wheel in the 6th shaft 15
14, by conveying band connection between two delivery wheels 14 in left and right, the body 10 is equipped with irradiation unit, and the irradiation fills
It sets including arm 105 and irradiation light 106.
Valuably, the third, which turns to lead between chamber 31 and first turn of chamber 24, is provided with first and leads to slot 26, described
Transmission is connected with first led in slot 26 positioned at described first between first driving wheel 43 and second driving wheel 29
Transmission belt 25.
Valuably, extend upwards in the body 10 of 13 rear side of conveyor chamber and be provided with the 5th turn of chamber 51, right side
6th shaft, the 15 rear side extended end protrudes into the 5th turn of chamber 51 and matches with the rotation of 51 rear side inner wall of the 5th turn of chamber
Connection is closed, is fixed with third driving wheel 52, second shaft 22 in the 6th shaft 15 in the 5th turn of chamber 51
Rear side extended end is protruded into the 5th turn of chamber 51 and is rotatably assorted with 51 rear side inner wall of the 5th turn of chamber and connect, and the described 5th
Turn to be fixed with the 4th driving wheel 50 in second shaft 22 in chamber 51, the third driving wheel 52 and the 4th transmission
It is cooperatively connected between wheel 50 by the transmission of the second transmission belt 49.
Valuably, perforative above and below being symmetrically arranged at left and right sides of the pivoted housing 17 in the ramp 40 to slide hole
41, it is described slide to slide to be fitted in hole 41 slide bar 42,42 upper and lower ends of bar that slide slide chamber with described respectively
11 upper and lower ends ratios are fixedly connected, and described 42 Shangrao of bar of sliding is equipped with the pressure spring 44 to offset with 40 bottom end face of ramp.
Valuably, the forward drawer slot in port is equipped in the 10 front side end door of body, the drawer slot is slided with described
Lead between chamber 11 and be provided with second and lead to slot 46, is slided in the drawer slot and drawer part 47 is installed, in the drawer part 47
Equipped with the upward container 48 in port.
Valuably, the arm 105 is symmetrically disposed on 10 left and right sides end top of body, and the irradiation light
106 are fixedly installed on 105 bottom of arm, and illumination need when present apparatus night time operation can be met by the irradiation light 106
It asks.
When original state, under the press of the pressure spring 44,40 top end of ramp and described slide in chamber 11 are pushed up
Wall offsets, and the sector gear 19 is meshed with second toothed wheel 21, and is separated with the tooth form item 39.
In use, first protruding into mailbox panel in the delivery chute 12 on right side, it is placed in mailbox panel described defeated
It send and takes, then control the driving machine 35 and rotate, the driving machine 35 can be by being driven after rotating by the splined shaft 38
The pivoted housing 17 drives the drill bit 45 to rotate, meanwhile, the splined shaft 38 can be driven after rotating by the 4th taper cone pulley 37
Two second taper cone pulleies 33 in dynamic left and right rotate backward, and two second taper cone pulleies 33 in left and right rotate backward can be by described
5th shaft 32 drives the third taper cone pulley 30, the first taper cone pulley 28, the 4th shaft 27, the transmission of the second driving wheel 29, first
Wheel 43, first rotating shaft 18 and the sector gear 19 rotate, and the sector gear 19 can pass through second tooth form after rotating
21 driving first toothed wheel 23 of wheel drives second shaft 22, the 4th driving wheel 50, third driving wheel 52, the 6th shaft
15 and the delivery wheel 14 rotate, mailbox panel can be gradually delivered to described by the delivery wheel 14 by conveyer belt after rotating
It slides in chamber 11, after the sector gear 19 is completely disengaged with second toothed wheel 21, the drill bit 45 is located at the letter
Right above case panel, the delivery wheel 14 stops operating, and the first punch position is determined as a result, when the sector gear 19 after
It can be meshed with the tooth form item 39 after continuous rotation, thus can drive the ramp 40 that the drill bit 45 is driven to move down, thus
It can carry out drilling operation, the equidistant punch operation of the multiple groups that thus can back and forth practise in same plane；Mailbox after the completion of punching
Panel can pass through 12 dispatch of the delivery chute in left side to the external world.
Due to being provided with drawer part in the present invention, break flour generated in punch operation can be led to slot 46 by second
It falls into container 48, centralized collection can be convenient for, improve spatter property when punch operation.
The beneficial effects of the present invention are:
Mailbox panel when in use, is protruded into the delivery chute on right side first, is placed in mailbox panel by apparatus of the present invention
On the conveyer belt, the driving machine rotation is then controlled, it can be by being driven by the splined shaft after the driving machine rotation
The pivoted housing drives the drill bit rotation, meanwhile, described 4th taper wheel drive or so two can be passed through after the splined shaft rotation
A second taper cone pulley rotates backward, and two second taper cone pulleies in left and right are rotated backward and can be driven by the 5th shaft
The third taper cone pulley, the first taper cone pulley, the 4th shaft, the second driving wheel, the first driving wheel, first rotating shaft and the sector
Gear rotation can drive described second by the first toothed wheel described in the second tooth form wheel drive after the sector gear rotation
Shaft, the 4th driving wheel, third driving wheel, the 6th shaft and delivery wheel rotation can pass through after the delivery wheel rotation
Conveyer belt gradually by mailbox panel be delivered to it is described slide in chamber, when the sector gear and second toothed wheel completely disengage
Afterwards, the drill bit is located at right above the mailbox panel, and the delivery wheel stops operating, and the first punch position is determined as a result,
It can be meshed with the tooth form item after the sector gear continues to rotate, the ramp thus can be driven to drive the drill bit
It moves down, so as to carry out drilling operation, the equidistant punch operation of the multiple groups that thus can back and forth practise in same plane can mention significantly
High perforating efficiency and punching effect；
Mailbox panel after the completion of punching can pass through the delivery chute dispatch in left side to the external world；
Due to being provided with drawer part in the present invention, break flour generated in punch operation can be led to slot by second and fall into receipts
In tank, centralized collection can be convenient for, improve spatter property when punch operation.
Apparatus of the present invention structure is simple, and high degree of automation, can be significantly, it can be achieved that equidistant punch operation on same plane
Labor intensity is reduced, perforating efficiency and punching effect are improved.
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 (6)
1. a kind of letter box arrangement, including body, it is characterised in that: slide chamber, the cunning equipped with extended up and down in the body
Be symmetrically arranged with first turn of chamber at left and right sides of an actor's rendering of an operatic tune in inner wall, it is described slide to slide in chamber ramp is installed, the ramp is left
Right both sides of the face are symmetrically arranged with tooth form item, are rotatably equipped with first rotating shaft before and after first turn of chamber in end wall, and described the
One shaft is fixed with sector gear and the first driving wheel, and first driving wheel is located on rear side of the sector gear, and described the
One shaft is rotatably equipped with the second shaft far from described slide in the front and back end wall of chamber, be fixed in second shaft
First toothed wheel is rotatably installed in end wall before and after first turn of chamber between second shaft and the first rotating shaft
Third shaft is fixed with second with the sector gear and first toothed wheel mating connection in the third shaft
Toothed wheel, it is described to slide intracavitary roof equipped with second turn of chamber, it is symmetrically arranged in the body at left and right sides of second turn of chamber
Third turns chamber, and the third turns rotatably to be equipped with the 4th shaft in the end wall of chamber front and back, be fixed in the 4th shaft
First taper cone pulley and the second driving wheel, second driving wheel are located on rear side of first taper cone pulley, second turn of chamber with
The third turns rotatably to be equipped with the 5th shaft between chamber, is fixed in the 5th shaft in second turn of chamber
Second taper cone pulley, the third turn to be fixed with the to be cooperatively connected with first taper cone pulley in the 5th shaft in chamber
Triconic wheel, can be in the pivoted housing that is equipped with of rotation by bearing in the ramp ramp, and the pivoted housing bottom is through described
Ramp bottom end face is outer and bottom end is fixed with drill bit, and the upward spline in port, the flower are equipped in the pivoted housing
Spline fitted is equipped with upward extended splined shaft in keyway, at the top of the splined shaft extended end protrude into second turn of chamber and
It is connected by power with the driving machine being fixedly installed in second turn of intracavitary roof, it is fixed on the splined shaft in second turn of chamber
The 4th taper cone pulley being cooperatively connected with second taper cone pulley is installed, described below first turn of chamber slides chamber or so two
It is symmetrically arranged in the inner wall of side and leads to external delivery chute, the delivery chute inner bottom wall is equipped with conveyor chamber, the conveyor chamber front and back
Symmetrical 6th shaft is rotatably installed in end wall, delivery wheel, left and right two are fixed in the 6th shaft
Between the delivery wheel by conveying band connection, the body be equipped with irradiation unit, the irradiation unit include arm and
Irradiation light.
2. a kind of letter box arrangement according to claim 1, it is characterised in that: the third turn chamber and first turn of chamber it
Between lead to and be provided with first and lead to slot, transmission is connected with positioned at institute between first driving wheel and second driving wheel
It states first and leads to the first transmission belt in slot.
3. a kind of letter box arrangement according to claim 1, it is characterised in that: in the body on rear side of the conveyor chamber to
Upper extension is provided with the 5th turn of chamber, and extended end protrudes into the 5th turn of chamber and with described the on rear side of the 6th shaft on right side
Inner walls are rotatably assorted connection on rear side of five turns of chambers, are fixed with third driving wheel in the 6th shaft in the 5th turn of chamber,
Extended end is protruded into the 5th turn of chamber and is rotatably assorted with inner wall on rear side of the 5th turn of chamber and connect on rear side of second shaft,
The 4th driving wheel, the third driving wheel and the 4th transmission are fixed in second shaft in the 5th turn of chamber
It is cooperatively connected between wheel by the second transmission V belt translation.
4. a kind of letter box arrangement according to claim 1, it is characterised in that: be located at described pivoted housing or so in the ramp
Two sides be symmetrically arranged with it is perforative up and down slide hole, it is described slide to slide to be fitted in hole slide bar, it is described to slide bar or more
Both ends are fixedly connected with the chamber upper and lower ends ratio that slides respectively, and described bar Shangrao of sliding is equipped with and the ramp bottom end face
The pressure spring to offset.
5. a kind of letter box arrangement according to claim 1, it is characterised in that: be equipped in end door on front side of the body port to
Preceding drawer slot, the drawer slot and it is described slide to lead between chamber be provided with second and lead to slot, slide peace in the drawer slot
The upward container in port is equipped with equipped with drawer part, in the drawer part.
6. a kind of letter box arrangement according to claim 1, it is characterised in that: it is left that the arm is symmetrically disposed on the body
At the top of right both sides of the face, and the irradiation light is fixedly installed on the arm bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811019230.7A CN109227739A (en) | 2018-09-03 | 2018-09-03 | A kind of letter box arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811019230.7A CN109227739A (en) | 2018-09-03 | 2018-09-03 | A kind of letter box arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109227739A true CN109227739A (en) | 2019-01-18 |
Family
ID=65059858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811019230.7A Withdrawn CN109227739A (en) | 2018-09-03 | 2018-09-03 | A kind of letter box arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109227739A (en) |
-
2018
- 2018-09-03 CN CN201811019230.7A patent/CN109227739A/en not_active Withdrawn
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190118 |