CN108033343A - A kind of new type of safe staircase - Google Patents
A kind of new type of safe staircase Download PDFInfo
- Publication number
- CN108033343A CN108033343A CN201711216474.XA CN201711216474A CN108033343A CN 108033343 A CN108033343 A CN 108033343A CN 201711216474 A CN201711216474 A CN 201711216474A CN 108033343 A CN108033343 A CN 108033343A
- Authority
- CN
- China
- Prior art keywords
- new type
- driving
- gear
- drawstring
- cover board
- 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.)
- Granted
Links
- 238000009434 installation Methods 0.000 claims abstract description 18
- 230000033001 locomotion Effects 0.000 claims abstract description 10
- 238000003780 insertion Methods 0.000 claims abstract description 4
- 230000037431 insertion Effects 0.000 claims abstract description 4
- 238000005096 rolling process Methods 0.000 claims description 6
- 238000005191 phase separation Methods 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 235000005121 Sorbus torminalis Nutrition 0.000 description 1
- 244000152100 Sorbus torminalis Species 0.000 description 1
- 230000034994 death Effects 0.000 description 1
- 231100000517 death Toxicity 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B29/00—Safety devices of escalators or moving walkways
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B23/00—Component parts of escalators or moving walkways
Landscapes
- Types And Forms Of Lifts (AREA)
Abstract
A kind of new type of safe staircase of the present invention, including the frame that spreads out, it is erected at the mounting bracket to spread out on frame, top bed cover board on the mounting bracket, the mounting bracket includes the vertical annular column sleeve for being arranged on center, in the cross hack lever being distributed on the annular column sleeve outer circumference surface, the insertion column being inserted in the annular column sleeve is provided among the bottom of the top bed cover board, further include arranged on the drive shaft spread out on frame, drive sprocket and driven gear in the drive shaft, drive motor, the driving gear connected with the driving motor, the travelling gear being meshed with the driving gear and the driven gear, the disconnection device of connection is engaged for disconnecting the travelling gear and the driving gear and driven gear when the top bed cover board rotates.The configuration of the present invention is simple, it is easily manufactured, it is easy for installation, and when top bed cover board deflects, staircase can stop motion at once, improve security performance.
Description
Technical field
The present invention relates to a kind of new type of safe staircase.
Background technology
Staircase is a kind of important running tool, is widely used among market, and the fortune volume of passenger traffic of staircase is big, therefore, to helping
Ladder safety factor will be especially emphasis.
At present, for the installation of staircase top bed cover board, typically by simple bolt connecting mode or welding
Mode be directly anchored to spread out frame upper surface on, and top bed cover board generally use tablet or the straight panel with anti-skid chequer, and help
Caused by the security incident of ladder is greatly due to the slippage of top bed cover board, the slippage of top bed cover board causes its superior
Visitor's falls.Current staircase when top bed cover board slips can not stop motion at once, its still be in operating status, this
For other passengers on stair step, still there is very big security risk, especially on staircase crowded with people and cannot and
When press emergency stop button in the case of, can also cause the injures and deaths of remaining personnel.
The content of the invention
The defects of for the prior art, the object of the present invention is to provide a kind of new type of safe staircase, simple in structure, manufacturer
Just, it is easy for installation, and when top bed cover board deflects, staircase can stop motion at once, improve security performance.
The present invention above-mentioned technical purpose technical scheme is that：A kind of new type of safe staircase, bag
Include the frame that spreads out, be erected at the spread out mounting bracket on frame, the top bed cover board on the mounting bracket, the mounting bracket includes
The annular column sleeve at center is arranged on vertically, in the cross hack lever being distributed on the annular column sleeve outer circumference surface, the top bed
The insertion column being inserted in the annular column sleeve is provided among the bottom of cover board, is further included arranged on the driving spread out on frame
The driving tooth that axis, the drive sprocket in the drive shaft and driven gear, driving motor are connected with the driving motor
Wheel and the driving gear and the driven gear be meshed travelling gear, for when the top bed cover board rotates
The travelling gear is set to disconnect the disconnection device for engaging connection with the driving gear and driven gear.
Preferably, the travelling gear is installed on driving gearshaft.
Preferably, the device that disconnects is included to pull pulling structure, the control of the driving gearshaft axial movement
The control structure for pulling structure action.
Preferably, it is described to pull structure to include vertical drawstring that axial drawstring is connected with the axial drawstring, arranged on described
The pulling plate and the drawing that axial drawstring is connected with the directive wheel of the vertical drawstring junction and the vertical drawstring other end
The tension spring of plate connection, be located at it is described spread out on frame to install the installing plate of the tension spring, the axial direction drawstring, which passes through, connects knot
Structure and the travelling gear axis connection.
Preferably, the connection structure include and it is described axial direction drawstring connect flexural pivot joint chair, be located at the travelling gear
The connecting ball head of shaft end, the first slide for prolonging for the flexural pivot joint chair driving gearshaft axial movement, be located at the ball
The first sliding block being adapted on hinged seat with first slide.
Preferably, the control structure includes may be inserted into the pulling plate pinning axis, installing the pinning axis
Installation sliding block, be located at the frame that spreads out and the second slide that the installation sliding block is adapted and be located at the top bed cover board
Bottom overlaps to the force-application block with the pinning axis phase separation, the pinning axis with the rotary path of force-application block.
Preferably, the both sides on the driving gearshaft positioned at the travelling gear are provided with rolling bearing, the rolling
Coaxial bearing mounting sleeve is provided with the outer ring of bearing, further includes the slip column sleeve coaxial with the bearing mounting sleeve, it is described
Bearing mounting sleeve is slideably positioned in the slip column sleeve.
Preferably, the one end of the driving gearshaft away from the directive wheel is provided with for pulling the driving gearshaft
The resetting apparatus of reset.
Preferably, the resetting apparatus includes the second flexural pivot joint chair, is located at the second connection of the travelling gear shaft end
Resetting spring that bulb is connected with the second flexural pivot joint chair, for the second flexural pivot joint chair to prolong the driving gearshaft axial
Mobile the 3rd slide, be located on the second flexural pivot joint chair and the 3rd sliding block that the 3rd slide is adapted.
Preferably, the extension extended downwardly is provided with the installing plate, the vertical chute is offered on the extension,
The pulling plate is entrapped in the vertical chute.
In conclusion the invention has the advantages that：
It is simple in structure, it is easily manufactured, it is easy for installation, and when top bed cover board deflects, staircase can stop motion at once,
Improve security performance.
Brief description of the drawings
Fig. 1 is the structure schematic diagram of the present invention；
Fig. 2 is the scheme of installation of mounting bracket and top bed cover board；
Fig. 3 is the installation signal for the disconnection device that travelling gear is disconnected with the driving gear and driven gear when engaging connection
Schematic diagram；
Fig. 4 is the partial enlarged view at B in Fig. 3；
Fig. 5 is the location map for pinning axis and force-application block.
Embodiment
The present invention is described in further detail below in conjunction with attached drawing.
This specific embodiment is only explanation of the invention, it is not limitation of the present invention, people in the art
Member as needed can make the present embodiment the modification of no creative contribution after this specification is read, but as long as at this
All protected in the right of invention be subject to Patent Law.
Embodiment 1：As Figure 1-Figure 2, a kind of new type of safe staircase, including the frame 1 that spreads out, it is erected at described spread out on frame 1
Mounting bracket 2, the top bed cover board 3 on the mounting bracket 2, the mounting bracket 2 include the vertical circular column for being arranged on center
Set 21, in the cross hack lever 22 being distributed on annular 21 outer circumference surface of column sleeve, among the bottom of the top bed cover board 3
The insertion column 31 being inserted in the annular column sleeve 21 is provided with, correspondingly, hack lever mounting groove 1a is provided with the frame 1 that spreads out,
The hack lever 22 is placed in the hack lever mounting groove 1a, this setting so that mounting bracket 2 is easy for installation, is readily disassembled at the same time, dimension
Repair conveniently, during installation, be connected with mode and be connected top bed cover board 3 with the frame 1 that spreads out；Further include and spread out arranged on described on frame 1
Drive shaft 4, the drive sprocket 5 in the drive shaft 4 and driven gear 6, driving motor 7 and the driving motor 7 connect
Driving gear 8 and the driving gear 8 and the driven gear 6 be meshed travelling gear 9, for when the top
Bed lid plate 3 makes the travelling gear 9 disconnect the disconnection dress for engaging connection with the driving gear 8 and driven gear 6 when rotating
Put 10.When bolt looseness causes top bed cover board 3 to rotate, travelling gear 9 and the driving gear 8 and driven gear
6 engagement disconnects, and transmission is interrupted, and staircase stop motion at once, passenger will not convey forward, ensures security.In the present embodiment,
It can be installed on and spread out on frame 1 by mounting bracket for the installation for driving motor 7, driving gear 8, mounting bracket can use groove
Steel, square steel etc., form is unlimited, does not do excessive description herein.
As shown in Figure 3-4, driving gear 8 and the installation axle of driven gear 6 do not illustrate in attached drawing 3, the travelling gear 9
On driving gearshaft 11.
Preferably, the device 10 that disconnects is included to pull the pulling structure that the driving gearshaft 11 moves axially
101st, the control structure 102 for pulling structure 101 to act is controlled.
Preferably, it is described to pull structure 101 to include the vertical drawing that axial drawstring 1011 and the axial drawstring 1011 connect
Rope 1012, the directive wheel 1013 arranged on the axial drawstring 1011 with vertical 1012 junction of drawstring and described vertical draw
Tension spring 1015 that the pulling plate 1014 and the pulling plate 1014 of 1012 other ends of restricting connection connect, be located at it is described spread out on frame 1 to
The installing plate 1016 of the tension spring 1015 is installed, the axial direction drawstring 1011 passes through connection structure 1017 and the driving gearshaft
11 connections.Preferably, being provided with the extension 1018 extended downwardly on the installing plate 1016, opened up on the extension 1018
There is the vertical chute 1019, the pulling plate 1014 is entrapped in the vertical chute 1019, this setting, ensures that pulling plate 1014 is transported vertically
It is dynamic.
Preferably, the connection structure 1017 includes and the axial drawstring 1011 connects flexural pivot joint chair 10171, be located at
The connecting ball head 10172 of 11 end of driving gearshaft, to prolong for the flexural pivot joint chair 10171 driving gearshaft 11 axial
Mobile the first slide 10173, be located on the flexural pivot joint chair 10171 and first slide 10173 is adapted first slides
Block 10174.The connection structure, not only can guarantee that driving gearshaft 11 rotated needed for, but also needed for can guarantee that axial drawstring 1011 pulls.
Preferably, the control structure 102 includes may be inserted into the pulling plate 1014 pinning axis 1021, installing
The installation sliding block 1022 for pinning axis 1021, be located at the frame 1 that spreads out and the second cunning that the installation sliding block 1022 is adapted
Rail 1023 and be located at 3 bottom of top bed cover board to it is described pinning 1021 phase separation of axis force-application block 1024.
During installation, overlapped as shown in figure 5, pinning axis 1021 with the rotary path of force-application block 1024, in this way, force-application block 1024
In revolution, lock shaft 1021 can be applied to.The sliding slot of second slide 1023 is provided at both ends with limited block 1025, prevents from pacifying
Dress sliding block 1022 slides excessively.
Preferably, the both sides on the driving gearshaft 11 positioned at the travelling gear 9 are provided with rolling bearing 12, described
Coaxial bearing mounting sleeve 13 is provided with the outer ring of rolling bearing 12, further includes the slip coaxial with the bearing mounting sleeve 13
Column sleeve 14, the bearing mounting sleeve 13 are slideably positioned in the slip column sleeve 14.
Spread out preferably, sliding 14 and first slide 10173 of column sleeve and being installed on by mounting bracket on frame 1.Mounting bracket can be with
For lateral frame, can be perpendicular support, can be longitudinal support, can be the combination of lateral frame and perpendicular support, can be lateral frame with
The combination of longitudinal support, can be the combination of perpendicular support and longitudinal support, preferably profile piece, such as channel steel, angle steel.Do not limit herein
It is fixed.
The concrete operating principle of this implementation is：Under normal circumstances, i.e., top bed cover board 3 does not rotate, travelling gear
Travelling gear 9 and driving gear 8 and driven gear 6 on axis 11 are meshed, and the drive sprocket 5 on driving gearshaft 11 is with leading to
Default chain-driving driven sprocket to be crossed to rotate, staircase is in operating condition, when top bed cover board 3 rotates, top
The force-application block 1024 of 3 bottom of bed lid plate, which is hit, pins axis 1021, pins axis 1021 and is skidded off from pulling plate 1014, tension spring 1015 pulls
Pulling plate 1014 moves upwards, and pulls travelling gear by vertical drawstring 1012, axial drawstring 1011 and connection structure 1017
Axis 11 moves axially driving gearshaft 11, and the engagement of travelling gear 9 and driving gear 8 and driven gear 6 disconnects, elevator
Step stop motion.
Preferably, the one end of the driving gearshaft 11 away from the directive wheel 1013 is provided with for pulling the transmission
The resetting apparatus 15 that gear shaft 11 resets.The setting of resetting apparatus 15, easy to travelling gear 9 and driving gear 8 and driven tooth
The engagement again of wheel 6.
Preferably, the resetting apparatus 15 includes the second flexural pivot joint chair 151, is located at the of 11 end of driving gearshaft
Two connecting ball heads 152 and the resetting spring 153 of the second flexural pivot joint chair 151 connection, prolong for the second flexural pivot joint chair 151
The 3rd slide 154 that the driving gearshaft 11 moves axially, be located on the second flexural pivot joint chair 151 and the 3rd slide
154 the 3rd sliding blocks 155 being adapted.During installation, the other end of the resetting spring 153 passes through fixed block 156 and 1 phase of frame of spreading out
Even.3rd slide 154 can be installed on by mounting bracket to spread out on frame, and mounting bracket can be lateral frame, can be perpendicular support, Ke Yiwei
Longitudinal support, can be the combination of lateral frame and perpendicular support, can be the combination of lateral frame and longitudinal support, for perpendicular support and can indulge
The combination of stent, preferably profile piece, such as channel steel, angle steel, do not limit herein.
Claims (10)
1. a kind of new type of safe staircase, it is characterised in that including the frame that spreads out（1）, be erected at the frame that spreads out（1）On mounting bracket（2）、
Installed in the mounting bracket（2）On top bed cover board（3）, the mounting bracket（2）Including the vertical annular column sleeve for being arranged on center
（21）, in cross be distributed in the annular column sleeve（21）Hack lever on outer circumference surface（22）, the top bed cover board（3）Bottom
It is provided among portion and is inserted in the annular column sleeve（21）In insertion column（31）, further include arranged on the frame that spreads out（1）On drive
Moving axis（4）, arranged on the drive shaft（4）On drive sprocket（5）And driven gear（6）, driving motor（7）And the driving
Motor（7）The driving gear of connection（8）And the driving gear（8）And the driven gear（6）The travelling gear being meshed
（9）, for when the top bed cover board（3）Make the travelling gear during rotation（9）With the driving gear（8）And driven tooth
Wheel（6）Disconnect the disconnection device of engagement connection（10）.
A kind of 2. new type of safe staircase according to claim 1, it is characterised in that the travelling gear（9）Installed in biography
Movable gear shaft（11）On.
A kind of 3. new type of safe staircase according to claim 2, it is characterised in that the disconnection device（10）Including to
Pull the driving gearshaft（11）The pulling structure of axial movement（101）, the control pulling structure（101）The control of action
Structure（102）.
A kind of 4. new type of safe staircase according to claim 3, it is characterised in that the pulling structure（101）Including axis
To drawstring（1011）And the axial drawstring（1011）The vertical drawstring of connection（1012）, arranged on the axial drawstring（1011）
With the vertical drawstring（1012）The directive wheel of junction（1013）And the vertical drawstring（1012）The pulling plate of other end connection
（1014）And the pulling plate（1014）The tension spring of connection（1015）, be located at the frame that spreads out（1）On installing the tension spring
（1015）Installing plate（1016）, the axial direction drawstring（1011）Pass through connection structure（1017）With the driving gearshaft（11）
Connection.
A kind of 5. new type of safe staircase according to claim 4, it is characterised in that the connection structure（1017）Including with
The axial direction drawstring（1011）The flexural pivot joint chair of connection（10171）, be located at the driving gearshaft（11）The connecting ball head of end
（10172）, for the flexural pivot joint chair（10171）Prolong the driving gearshaft（11）First slide of axial movement（10173）, set
In the flexural pivot joint chair（10171）Upper and first slide（10173）The first sliding block being adapted（10174）.
A kind of 6. new type of safe staircase according to claim 3, it is characterised in that the control structure（102）Including can
It is inserted in the pulling plate（1014）In pinning axis（1021）, installing the pinning axis（1021）Installation sliding block
（1022）, be located at the frame that spreads out（1）And the installation sliding block（1022）The second slide being adapted（1023）And it is located at institute
State top bed cover board（3）Bottom to the pinning axis（1021）The force-application block of phase separation（1024）, the pinning axis
（1021）With force-application block（1024）Rotary path overlap.
A kind of 7. new type of safe staircase according to claim 3, it is characterised in that the driving gearshaft（11）On be located at
The travelling gear（9）Both sides be provided with rolling bearing（12）, the rolling bearing（12）Outer ring on be provided with it is coaxial
Bearing mounting sleeve（13）, further include and the bearing mounting sleeve（13）Coaxial slip column sleeve（14）, the bearing mounting sleeve
（13）It is slideably positioned in the slip column sleeve（14）It is interior.
A kind of 8. new type of safe staircase according to claim 3, it is characterised in that the driving gearshaft（11）Away from institute
State directive wheel（1013）One end be provided with for pulling the driving gearshaft（11）The resetting apparatus of reset（15）.
A kind of 9. new type of safe staircase according to claim 8, it is characterised in that the resetting apparatus（15）Including second
Flexural pivot joint chair（151）, be located at the driving gearshaft（11）Second connecting ball head of end（152）And second ball-joint
Seat（151）The resetting spring of connection（153）, for the second flexural pivot joint chair（151）Prolong the driving gearshaft（11）It is axial to move
The 3rd dynamic slide（154）, be located at the second flexural pivot joint chair（151）Upper and the 3rd slide（154）The 3rd be adapted
Sliding block（155）.
A kind of 10. new type of safe staircase according to claim 4, it is characterised in that the installing plate（1016）Upper setting
There is the extension extended downwardly（1018）, the extension（1018）On offer the vertical chute（1019）, the pulling plate
（1014）It is entrapped in the vertical chute（1019）In.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711216474.XA CN108033343B (en) | 2017-11-28 | 2017-11-28 | A kind of new type of safe staircase |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711216474.XA CN108033343B (en) | 2017-11-28 | 2017-11-28 | A kind of new type of safe staircase |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108033343A true CN108033343A (en) | 2018-05-15 |
| CN108033343B CN108033343B (en) | 2019-04-19 |
Family
ID=62093906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711216474.XA Active CN108033343B (en) | 2017-11-28 | 2017-11-28 | A kind of new type of safe staircase |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108033343B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000026066A (en) * | 1998-07-10 | 2000-01-25 | Hitachi Building Systems Co Ltd | Operation controller for escalator |
| CN102442603A (en) * | 2010-10-08 | 2012-05-09 | 苏州帝奥电梯有限公司 | Safety device for escalator |
| CN204624931U (en) * | 2015-03-18 | 2015-09-09 | 杭州斯沃德电梯有限公司 | The supporting construction of moving sidewalk front edge board and machine room cover plate |
| CN105366524A (en) * | 2015-12-14 | 2016-03-02 | 邢启亮 | Liftable emergency stop interlocking device of escalator and control method of liftable emergency stop interlocking device |
| CN105502141A (en) * | 2016-02-18 | 2016-04-20 | 北京祥华亿能科技有限公司 | Escalator safety system |
| CN205312854U (en) * | 2015-08-03 | 2016-06-15 | 张文洪 | Elevator apron safety device of system |
| CN205575355U (en) * | 2016-05-10 | 2016-09-14 | 陈晓松 | Automatic staircase footboard safety device |
-
2017
- 2017-11-28 CN CN201711216474.XA patent/CN108033343B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000026066A (en) * | 1998-07-10 | 2000-01-25 | Hitachi Building Systems Co Ltd | Operation controller for escalator |
| CN102442603A (en) * | 2010-10-08 | 2012-05-09 | 苏州帝奥电梯有限公司 | Safety device for escalator |
| CN204624931U (en) * | 2015-03-18 | 2015-09-09 | 杭州斯沃德电梯有限公司 | The supporting construction of moving sidewalk front edge board and machine room cover plate |
| CN205312854U (en) * | 2015-08-03 | 2016-06-15 | 张文洪 | Elevator apron safety device of system |
| CN105366524A (en) * | 2015-12-14 | 2016-03-02 | 邢启亮 | Liftable emergency stop interlocking device of escalator and control method of liftable emergency stop interlocking device |
| CN105502141A (en) * | 2016-02-18 | 2016-04-20 | 北京祥华亿能科技有限公司 | Escalator safety system |
| CN205575355U (en) * | 2016-05-10 | 2016-09-14 | 陈晓松 | Automatic staircase footboard safety device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108033343B (en) | 2019-04-19 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A new type of safety escalator Effective date of registration: 20210927 Granted publication date: 20190419 Pledgee: Nanxun Zhejiang rural commercial bank Limited by Share Ltd. Nanxun branch Pledgor: CIVIL ELEVATOR Co.,Ltd. Registration number: Y2021330001780 |
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Date of cancellation: 20220406 Granted publication date: 20190419 Pledgee: Nanxun Zhejiang rural commercial bank Limited by Share Ltd. Nanxun branch Pledgor: CIVIL ELEVATOR Co.,Ltd. Registration number: Y2021330001780 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A new type of safety escalator Effective date of registration: 20221128 Granted publication date: 20190419 Pledgee: Nanxun Zhejiang rural commercial bank Limited by Share Ltd. Nanxun branch Pledgor: CIVIL ELEVATOR Co.,Ltd. Registration number: Y2022330003300 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230417 Granted publication date: 20190419 Pledgee: Nanxun Zhejiang rural commercial bank Limited by Share Ltd. Nanxun branch Pledgor: CIVIL ELEVATOR Co.,Ltd. Registration number: Y2022330003300 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A New Type of Safety Escalator Effective date of registration: 20230531 Granted publication date: 20190419 Pledgee: Nanxun Zhejiang rural commercial bank Limited by Share Ltd. Nanxun branch Pledgor: CIVIL ELEVATOR Co.,Ltd. Registration number: Y2023330001017 |