CN110735593A - cloth curtain unfolding and folding device - Google Patents
cloth curtain unfolding and folding device Download PDFInfo
- Publication number
- CN110735593A CN110735593A CN201910848744.1A CN201910848744A CN110735593A CN 110735593 A CN110735593 A CN 110735593A CN 201910848744 A CN201910848744 A CN 201910848744A CN 110735593 A CN110735593 A CN 110735593A
- Authority
- CN
- China
- Prior art keywords
- driven wheel
- driving gear
- wheel set
- right driven
- cloth curtain
- 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
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
- E06B9/40—Roller blinds
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
- E06B9/40—Roller blinds
- E06B9/42—Parts or details of roller blinds, e.g. suspension devices, blind boxes
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/78—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor for direct manual operation, e.g. by tassels, by handles
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Curtains And Furnishings For Windows Or Doors (AREA)
Abstract
The invention discloses an cloth curtain unfolding and folding device, which comprises a left driven wheel set, a right driven wheel set and a hand handle assembly, wherein the left driven wheel set and the right driven wheel set are arranged at intervals, the hand handle assembly is movably connected with the left driven wheel set and the right driven wheel set, the left driven wheel set, the right driven wheel set and the hand handle assembly are arranged at intervals, the left driven wheel set and the right driven wheel set can be alternately driven in the hand handle assembly, connecting ropes are wound in the left driven wheel set and the right driven wheel set, and when the left driven wheel set and the right driven wheel set rotate, a left cloth curtain and a right cloth curtain can be folded and unfolded.
Description
Technical Field
The invention relates to the technical field of curtains, in particular to an cloth curtain unfolding and folding device.
Background
The existing venetian blind or curtain mainly comprises a rotating shaft arranged in a groove-shaped or cylindrical venetian blind upper beam, the upper end of the curtain or curtain is fixed on the rotating shaft along the axial direction of the rotating shaft and wound on the rotating shaft, a motion control assembly consisting of a spring, a turntable or a ratchet pawl and other components is arranged at the end of the rotating shaft, and the rotating shaft is driven to rotate by the motion control assembly to realize the retraction of the curtain or curtain.
The prior publication No. CN202578464U manual external sunshade rolling curtain device of comprises a rolling curtain box body, a scroll shaft arranged in the rolling curtain box body, two guide rails arranged at two sides of the rolling curtain box body, a curtain sheet wound on the scroll shaft and moving up and down along the guide rails and a hand pull rope winding device, wherein the rolling curtain box body is positioned between the upper ends of the two guide rails, the end of the scroll shaft is connected with the hand pull rope winding device through a tight traction rope, and a fixed pulley mechanism for changing the stretching direction of the traction rope is arranged right below the scroll shaft.
Disclosure of Invention
In view of the above disadvantages in the prior art, the technical problem to be solved by the present invention is to provide kinds of cloth curtain unfolding/folding devices, which are used to solve the problem that cloth curtain unfolding/folding devices can only unfold cloth curtains.
The technical scheme adopted by the invention for solving the technical problems is that cloth curtain unfolding and folding devices comprise:
the left driven wheel group comprises a left driven wheel shaft, a left bunching wheel and a left driven wheel; the left bunching wheel is sleeved on the left driven wheel shaft, and the left driven wheel is fixedly sleeved on the left bunching wheel; the right driven wheel group comprises a right driven wheel shaft, a right wire bunching wheel and a right driven wheel; the right bunching wheel is sleeved on the right driven wheel shaft, and the right driven wheel is fixedly sleeved on the right bunching wheel;
the handle assembly is movably connected with the left driven wheel set and the right driven wheel set and comprises a handle, an th driving gear and a second driving gear, the th driving gear and the second driving gear are arranged at intervals and are sleeved on the handle, the th driving gear can be meshed with the left driven wheel, the second driving gear can be meshed with the right driven wheel, and the distance between the th driving gear and the second driving gear is smaller than the distance between the left driven wheel and the right driven wheel.
Preferably, the device further comprises a housing which covers the left driven wheel set and the right driven wheel set.
Preferably, the hand crank penetrates through the shell and is in movable contact with the shell at least at two positions, and the hand crank and the shell can move relatively.
Preferably, the ratchet resetting device further comprises a resetting pawl, wherein the resetting pawl comprises a ratchet rod and two ratchet teeth, and the two ratchet teeth are arranged on the ratchet rod at intervals; the ratchet rod movably penetrates through the shell, and the distance between the two ratchets is equal to the distance between the left driven wheel and the right driven wheel; the ratchet rod can move along the axial direction of the ratchet rod so as to realize the state switching of the two ratchets which are respectively clamped into and out of the left driven wheel and the right driven wheel.
Preferably, the reset pawl further comprises a reset spring and a handle, the handle is located at the end of the ratchet rod, the reset spring is sleeved on the ratchet rod, the end of the reset spring abuts against the housing, and the end abuts against the handle.
Preferably, the left driven wheel set is further provided with two left bearings, and the two left bearings are respectively sleeved at two ends of the left driven wheel shaft; the left driven wheel set is in contact with the shell through two left bearings;
the right driven wheel group also comprises two right bearings which are respectively sleeved at two ends of the right driven wheel shaft; the right driven wheel set is in contact with the shell through two right bearings.
Preferably, the handle assembly further comprises a pitch guard sleeved on the handle between the th drive gear and the second drive gear.
Preferably, the shell is provided with two connecting lugs which are arranged at intervals, the hand crank penetrates through the two connecting lugs, the th driving gear and the second driving gear are located between the two connecting lugs, and the two connecting lugs limit the moving range of the hand crank.
Preferably, be provided with two connection bearings in the crank, connection bearing all with two engaging lug movable contact.
Preferably, the housing is integrally formed and conforms to the configuration of the left and right driven wheel sets.
The invention is provided with a left driven wheel set, a right driven wheel set and a hand crank assembly which are arranged at intervals, wherein the hand crank assembly can alternately drive the left driven wheel set and the right driven wheel set, connecting ropes are wound in the left driven wheel set and the right driven wheel set, and when the left driven wheel set and the right driven wheel set rotate, a left cloth curtain and a right cloth curtain can be folded and unfolded.
Drawings
Fig. 1 is a schematic view of a pillow structure of the curtain unfolding and folding device in the embodiment.
Fig. 2 is a structural schematic diagram of the drape unfolding and folding device in the embodiment with the shell removed.
Fig. 3 is a schematic structural view of a hand crank assembly in the embodiment.
Fig. 4 is a schematic structural view of the return pawl in the embodiment.
Detailed Description
The following is a description of specific embodiments of the present invention with reference to the drawings, but the present invention is not limited to these embodiments.
Referring to fig. 1 to 4, the invention discloses an cloth curtain unfolding and folding device, which comprises a left driven wheel set 100, a right driven wheel set 200 and a hand crank assembly 300, wherein the hand crank assembly 300 is used for driving the left driven wheel set 100 and the right driven wheel set 200, specifically, the left driven wheel set 100 and the right driven wheel set 200 are fixed, the hand crank assembly 300 can move relative to the left driven wheel set 100 and the right driven wheel set 200, and the hand crank assembly 300 can drive the left driven wheel set 100 and the right driven wheel set 200 in turn.
The curtain unfolding and folding device has the following specific structure:
the cloth curtain spreader comprises:
the left driven wheel set 100 and the right driven wheel set 200 are arranged at intervals, and the left driven wheel set 100 comprises a left driven wheel shaft 110, a left bunching wheel 120 and a left driven wheel 130; the left bunching wheel 120 is sleeved on the left driven wheel shaft 110, and the left driven wheel 130 is fixedly sleeved on the left bunching wheel 120; the right driven wheel set 200 includes a right driven wheel axle 210, a right wire-tying wheel 220, and a right driven wheel 230; the right bunching wheel 220 is sleeved on the right driven wheel shaft 210, and the right driven wheel 230 is fixedly sleeved on the right bunching wheel 220;
the hand crank assembly 300 is movably connected with the left driven wheel set 100 and the right driven wheel set 200 and comprises a hand crank 330, an th driving gear 310 and a second driving gear 320, the th driving gear 310 and the second driving gear 320 are arranged at intervals and are sleeved on the hand crank 330, the th driving gear 310 can be meshed with the left driven wheel 130, the second driving gear 320 can be meshed with the right driven wheel 230, and the distance between the th driving gear 310 and the second driving gear 320 is smaller than the distance between the left driven wheel 130 and the right driven wheel 230.
When crank subassembly 300 with left driven wheelset 100 aligns, driving gear 310 with left from the meshing of driving wheel 130, wave crank subassembly 300 and rotate, driving gear 310 rotates and drives a left side and rotates from driving wheel 130, a left side is driven from driving wheel 130 and is driven left bunch wheel 120 rotates.
Remove crank assembly 300, make crank assembly 300 with when the right side aligns from driving wheel 230, the second action wheel with the right side is from the meshing of driving wheel 230, wave crank assembly 300 and rotate, and second driving gear 320 follows crank assembly 300 rotates, and then drives the right side and rotate from driving wheel 230, the right side drives from driving wheel 230 the right side bunch wheel 220 rotates, in this embodiment, around having the connecting rope on the right side bunch wheel 220, rotate right side bunch wheel 220, can receive and release the connecting rope, the connecting rope links to each other with right curtain, receive and release the receipts exhibition that the connecting rope can realize right curtain.
The cloth curtain unfolding and folding device further comprises a housing 400, wherein the housing 400 covers the left driven wheel set 100 and the right driven wheel set 200, in the embodiment, the housing 400 is used for limiting the positions of the left driven wheel set 100 and the right driven wheel set 200, so that the relative positions of the left driven wheel set 100 and the right driven wheel set 200 cannot move, and is formed in such a way that the distance between the left driven wheel 130 and the right driven wheel 230 is constant values.
The hand crank 330 penetrates the housing 400 and has at least two parts movably contacted with the housing 400, and the hand crank 330 and the housing 400 can move relatively. The hand crank 330 can move along the spacing direction of the left driven wheel set 100 and the right driven wheel set 200; by pulling the hand crank assembly 300, the hand crank assembly 300 can drive the left driven wheel set 100 and the right driven wheel set 200 in a switchable manner.
The curtain unfolding receiver also comprises a reset pawl 500, wherein the reset pawl 500 comprises a ratchet rod 510 and two ratchet teeth 520, and the two ratchet teeth 520 are arranged on the ratchet rod 510 at intervals; the ratchet bar 510 is movably passed through the housing 400, and the distance between the two ratchet teeth 520 is equal to the distance between the left driven wheel 130 and the right driven wheel 230; the ratchet bar 510 can move along the axial direction of the ratchet bar 510 to realize the switching of the state that the two ratchet teeth 520 are respectively clamped into and out of the left driven wheel 130 and the right driven wheel 230.
In this embodiment, the reset pawl 500 is used to limit the reverse rotation of the left driven wheel 130 and the right driven wheel 230, when the two ratchet teeth 520 of the reset pawl 500 are engaged in the tooth grooves of the left driven wheel 130 and the right driven wheel 230, the left driven wheel 130 or the right driven wheel 230 can still rotate in the forward direction when the left driven wheel 130 or the right driven wheel 230 is driven by the hand crank assembly 300, the reset pawl 500 does not limit the forward rotation of the left driven wheel 130 and the right driven wheel 230, however, the reset pawl 500 limits the reverse rotation of the left driven wheel 130 and the right driven wheel 230, and the reset pawl 500 can unidirectionally limit the rotation of the left driven wheel 130 and the right driven wheel 230.
Specifically, the reset pawl 500 limits the reverse rotation of the left and right driven wheels so that the left and right draperies are prevented from being unfolded naturally by gravity.
The return pawl 500 further comprises a return spring 530 and a grip 540, the grip 540 is located at the end of the ratchet bar 510, the return spring 530 is sleeved on the ratchet bar 510, and the end of the return spring 530 abuts against the housing 400, and the end abuts against the grip 540.
Two ratchet teeth 520 in the reset pawl 500 can be disengaged from tooth grooves in the left driven wheel 130 and the right driven wheel 230, the reset pawl 500 is pressed, so that the reset pawl 500 moves relative to the housing 400, at the moment, the spring is compressed, the ratchet teeth 520 in the reset pawl 500 can be disengaged from the tooth grooves in the left driven wheel 130 and the right driven wheel 230, and the left cloth curtain and the right cloth curtain can be automatically unfolded due to gravity because the left driven wheel 130 and the right driven wheel 230 are not limited by the reset pawl 500.
The reset pawl 500 is automatically reset, the reset spring 530 is compressed when the reset pawl 500 is pressed, and the reset spring 530 is naturally extended when the pawl is not pressed, so that the reset pawl 500 is automatically reset, and the two ratchet teeth 520 on the reset pawl 500 are also clamped into the tooth grooves of the left driven wheel 130 and the right driven wheel 230 again.
The reset pawl 500 is further provided with a limiting block 550, when the reset pawl 500 is pressed to enable the ratchet 520 in the reset pawl 500 to be disengaged from the left driven wheel set 100 and the right driven wheel set 200, the limiting block 550 can abut against the end surface of the left driven wheel 130, and therefore the range of pressing the reset pawl 500 can be well controlled.
The left driven wheel set 100 is further provided with two left bearings 140, and the two left bearings 140 are respectively sleeved at two ends of the left driven wheel shaft 110; the left driven wheel set 100 is in contact with the housing 400 through two left bearings 140;
the right driven wheel set 200 further comprises two right bearings 240, and the two right bearings 240 are respectively sleeved at two ends of the right driven wheel shaft 210; the right driven wheel set 200 is in contact with the housing 400 through two right bearings 240.
In this embodiment, the housing 400 defines the positions of the left driven wheel set 100 and the right driven wheel set 200, but the left driven wheel 130, the right driven wheel 230, the left bunching wheel 120, the right bunching wheel 220, the left driven axle 110 and the right driven axle 210 can rotate relative to the housing 400.
The hand crank assembly 300 further includes a pitch guard 340, the pitch guard 340 being fitted over the hand crank 330 and between the th drive gear 310 and the second drive gear 320.
The pitch protection sleeve 340 is used to maintain the pitch between the th driving gear 310 and the second driving gear 320.
The shell 400 is provided with two connecting lugs 410 which are arranged at intervals, the hand crank 330 penetrates through the two connecting lugs 410, the driving gear 310 and the second driving gear 320 are located between the two connecting lugs 410, and the two connecting lugs 410 limit the moving range of the hand crank.
Two connecting bearings 350 are arranged in the hand crank 330, and the connecting bearings 350 are in movable contact with the two connecting lugs 410.
The housing 400 is integrally formed and adapted to the structural shape of the left and right driven wheel sets 100 and 200.
The cloth curtain folding device is provided with a left driven wheel set 100, a right driven wheel set 200 and a hand crank assembly 300 which are arranged at intervals, wherein the hand crank assembly 300 can alternately drive the left driven wheel set 100 and the right driven wheel set 200, connecting ropes are wound around the left driven wheel set 100 and the right driven wheel set 200, and when the left driven wheel set 100 and the right driven wheel set 200 rotate, a left cloth curtain and a right cloth curtain can be folded and unfolded.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (10)
- The cloth curtain unfolding and folding device of kinds is characterized by comprising:the left driven wheel group comprises a left driven wheel shaft, a left bunching wheel and a left driven wheel; the left bunching wheel is sleeved on the left driven wheel shaft, and the left driven wheel is fixedly sleeved on the left bunching wheel; the right driven wheel group comprises a right driven wheel shaft, a right wire bunching wheel and a right driven wheel; the right bunching wheel is sleeved on the right driven wheel shaft, and the right driven wheel is fixedly sleeved on the right bunching wheel;the handle assembly is movably connected with the left driven wheel set and the right driven wheel set and comprises a handle, an th driving gear and a second driving gear, the th driving gear and the second driving gear are arranged at intervals and are sleeved on the handle, the th driving gear can be meshed with the left driven wheel, the second driving gear can be meshed with the right driven wheel, and the distance between the th driving gear and the second driving gear is smaller than the distance between the left driven wheel and the right driven wheel.
- 2. The kinds of cloth curtain unfolding and folding device as claimed in claim 1, further comprising a housing covering the left driven wheel set and the right driven wheel set.
- 3. The kinds of cloth curtain unfolding and folding device of claim 2, wherein the hand crank penetrates through the shell and is in movable contact with the shell at least at two positions, and the hand crank and the shell can move relatively.
- 4. The kinds of cloth curtain unfolding and folding device as claimed in claim 2 or 3, further comprising a reset pawl, wherein the reset pawl comprises a ratchet rod and two ratchets, the two ratchets are arranged on the ratchet rod at intervals, the ratchet rod movably penetrates through the shell, the distance between the two ratchets is equal to the distance between the left driven wheel and the right driven wheel, and the ratchet rod can move along the axial direction of the ratchet rod to realize the switching of the state that the two ratchets are respectively clamped in and out of the left driven wheel and the right driven wheel.
- 5. The kinds of cloth curtain unfolding and folding device as claimed in claim 4, wherein the return pawl further comprises a return spring and a handle, the handle is located at the end of the ratchet rod, the return spring is sleeved on the ratchet rod, and the end of the return spring abuts against the housing and the end abuts against the handle.
- 6. The kinds of cloth curtain unfolding and folding device as claimed in claim 3, wherein the left driven wheel set is further provided with two left bearings, the two left bearings are respectively sleeved at two ends of the left driven wheel shaft, and the left driven wheel set is in contact with the shell through the two left bearings;the right driven wheel group also comprises two right bearings which are respectively sleeved at two ends of the right driven wheel shaft; the right driven wheel set is in contact with the shell through two right bearings.
- 7. The kinds of cloth curtain exhibition ware of claim 1, characterized in that the hand crank subassembly is still including the pitch protective sheath, the pitch protective sheath is in between driving gear and second driving gear on the hand crank.
- 8. The cloth curtain unfolding and folding device according to claim 3, wherein the housing is provided with two spaced engaging lugs, the hand crank passes through the two engaging lugs, the driving gear and the second driving gear are located between the two engaging lugs, and the two engaging lugs limit the moving range of the hand crank.
- 9. The kinds of cloth curtain unfolding and folding device of claim 8, wherein two connecting bearings are arranged in the hand crank, and the connecting bearings are in movable contact with the two connecting lugs.
- 10. The kinds of cloth curtain unfolding and folding device as claimed in claim 2 or 3, wherein the housing is integrally formed and adapted to the structural shapes of the left and right driven wheel sets.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910848744.1A CN110735593A (en) | 2019-09-09 | 2019-09-09 | cloth curtain unfolding and folding device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910848744.1A CN110735593A (en) | 2019-09-09 | 2019-09-09 | cloth curtain unfolding and folding device |
Publications (1)
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CN110735593A true CN110735593A (en) | 2020-01-31 |
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ID=69267858
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201910848744.1A Pending CN110735593A (en) | 2019-09-09 | 2019-09-09 | cloth curtain unfolding and folding device |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2460499Y (en) * | 2000-12-15 | 2001-11-21 | 揭阳市南光实业有限公司 | Double hand rope winding machine |
CN201586303U (en) * | 2009-11-18 | 2010-09-22 | 崇仁科技事业股份有限公司 | Medical suspension device and pivoting mechanism thereof |
CN103470174A (en) * | 2013-09-25 | 2013-12-25 | 青岛田瑞生态科技有限公司 | Manufacturing method of poultry farming rope winder |
CN205398996U (en) * | 2016-02-18 | 2016-07-27 | 广州市晾凰智能家居科技有限公司 | Clothes hanger that dries in air uses formula winder side by side |
CN206617075U (en) * | 2017-03-15 | 2017-11-07 | 宁波大狼窗饰有限公司 | Curtain blade declines be hampered shut-down mechanism and curtain |
US20190264504A1 (en) * | 2017-04-10 | 2019-08-29 | Mechoshade Systems, Llc | Planetary Gear with Bead Stop |
-
2019
- 2019-09-09 CN CN201910848744.1A patent/CN110735593A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2460499Y (en) * | 2000-12-15 | 2001-11-21 | 揭阳市南光实业有限公司 | Double hand rope winding machine |
CN201586303U (en) * | 2009-11-18 | 2010-09-22 | 崇仁科技事业股份有限公司 | Medical suspension device and pivoting mechanism thereof |
CN103470174A (en) * | 2013-09-25 | 2013-12-25 | 青岛田瑞生态科技有限公司 | Manufacturing method of poultry farming rope winder |
CN205398996U (en) * | 2016-02-18 | 2016-07-27 | 广州市晾凰智能家居科技有限公司 | Clothes hanger that dries in air uses formula winder side by side |
CN206617075U (en) * | 2017-03-15 | 2017-11-07 | 宁波大狼窗饰有限公司 | Curtain blade declines be hampered shut-down mechanism and curtain |
US20190264504A1 (en) * | 2017-04-10 | 2019-08-29 | Mechoshade Systems, Llc | Planetary Gear with Bead Stop |
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Application publication date: 20200131 |
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