CN208003273U - A kind of list deceleration ramp-down device - Google Patents
A kind of list deceleration ramp-down device Download PDFInfo
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- CN208003273U CN208003273U CN201820183347.8U CN201820183347U CN208003273U CN 208003273 U CN208003273 U CN 208003273U CN 201820183347 U CN201820183347 U CN 201820183347U CN 208003273 U CN208003273 U CN 208003273U
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- friction
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- down device
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- rope
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Abstract
The utility model provides a kind of single deceleration ramp-down device, belongs to high-rise escaping tool technical field.Single deceleration ramp-down device is suitable for high-rise escape, including gear.Gear includes around cheese, planetary gear speed reducing mechanism, friction pulley and the friction portion for generating frictional force with around cheese.Planetary gear speed reducing mechanism is fixed on around cheese, friction pulley is sheathed on outside the sun wheel shaft of planetary gear speed reducing mechanism and is moved synchronously with sun wheel shaft, friction part is between friction pulley and around cheese, and rope is set around around cheese and around cheese is fixed in one end, and the other end is connect with fixing piece.This single deceleration ramp-down device is braked by the friction between friction portion and around cheese.
Description
Technical field
The utility model is related to high-rise escaping tool technical fields, in particular to a kind of single deceleration ramp-down device.
Background technology
High level escape is that a key subjects of urbanization are located at height when fire or other safety accidents occur for high level
The people of layer, can be escaped by descending lifeline.The ramp-down device of the existing descending lifeline in market is complicated, and damping is not
It is good, it cannot achieve the purpose that safe escape.
Utility model content
It is simple in structure the purpose of this utility model is to provide a kind of single deceleration ramp-down device, by friction portion with around
Friction between cheese, is braked.
The utility model is realized using following technical scheme：
A kind of list deceleration ramp-down device, is suitable for high-rise escape, including speed change gear, speed change gear include around cheese, row
Star deceleration mechanism, friction pulley and the friction portion for generating frictional force with around cheese, planetary gear speed reducing mechanism are fixed on around cheese, rub
It wipes wheel to be sheathed on outside the sun wheel shaft of planetary gear speed reducing mechanism and move synchronously with sun wheel shaft, friction part is in friction pulley and wiring
Between disk.
Further, in the utility model preferred embodiment, above-mentioned list deceleration ramp-down device further includes wiring and fixation
Part, rope is set around around cheese and around cheese is fixed in one end, and the other end is connect with fixing piece.
Further, in the utility model preferred embodiment, the outer wheel face of above-mentioned friction pulley is provided with mounting groove, friction
Portion is set in mounting groove and outside friction pulley.
Further, in the utility model preferred embodiment, above-mentioned friction portion is provided with multiple, two neighboring friction portion
Interval setting, multiple friction portions can be combined into cyclic structure.
Further, in the utility model preferred embodiment, above-mentioned friction portion includes brake pad and friction plate, brake pad
It is set in mounting groove and outside friction pulley, friction plate is set to outside brake pad and in around cheese.
Further, in the utility model preferred embodiment, above-mentioned ramp-down device further includes the first peace being oppositely arranged
The both ends of loading board and the second mounting plate, the sun wheel shaft of planetary gear speed reducing mechanism are respectively arranged at the first mounting plate and the second installation
Plate.
Further, in the utility model preferred embodiment, above-mentioned planetary gear speed reducing mechanism further includes gear ring and multiple rows
Star gear, gear ring are fixed on around cheese, and gear ring is coaxially disposed with sun wheel shaft, each planetary gear with gear ring and sun wheel shaft
It engages and the first mounting plate is fixed on by bearing, friction pulley is sheathed on outside sun wheel shaft and passes through key connection.
Further, in the utility model preferred embodiment, above-mentioned around cheese includes hollow around becket bridle, is set around becket bridle
It is placed between the first mounting plate and the second mounting plate, gear ring is fixed on around becket bridle and is located in becket bridle, sun wheel shaft, Duo Gehang
Star gear, friction pulley and brake pad may be contained in becket bridle.
Further, in the utility model preferred embodiment, above-mentioned around cheese further includes first baffle and second baffle,
First baffle and second baffle are respectively arranged at around the both sides of becket bridle and between the first mounting plate and the second mounting plate, the sun
The both ends of wheel shaft are each passed through first baffle and second baffle and are connect with the first mounting plate and the second mounting plate.
Further, in the utility model preferred embodiment, above-mentioned list deceleration ramp-down device further includes rope limit dress
It sets, the both ends of rope limiting device are both secured to the first mounting plate and the second mounting plate, and limit is provided on rope limiting device
Hole, rope are connect across limit hole with fixing piece.
The advantageous effect for single deceleration ramp-down device that the preferred embodiment of the utility model provides is：Around cheese constantly rotates
When, the planetary gear speed reducing mechanism being fixed in around cheese can be driven to rotate, make the sun wheel shaft of planetary gear speed reducing mechanism
Rotation, to make friction portion rotate synchronously.In friction portion when high-speed rotation, due to the effect of centrifugal force, friction portion direction
Direction far from friction pulley moves, and to make friction portion contact with around cheese, makes to generate frictional force between friction portion and around cheese,
To reduce the rotating speed of around cheese, achieve the purpose that be braked.
Description of the drawings
It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
The scope of protection of the utility model is also belonged to obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the sectional view for single deceleration ramp-down device that the utility model embodiment provides；
Fig. 2 is the structural schematic diagram for single deceleration ramp-down device that the utility model embodiment provides；
Fig. 3 is the first part's structural schematic diagram for single deceleration ramp-down device that the utility model embodiment provides；
Fig. 4 is the second part structural schematic diagram for single deceleration ramp-down device that the utility model embodiment provides；
Fig. 5 is the first structure schematic diagram for the rope limiting device that the utility model embodiment provides；
Fig. 6 is the second structural schematic diagram of the rope limiting device that the utility model embodiment provides.
Icon：310- fixing pieces；320- ropes；330- speed change gears；340- around cheeses；350- planetary gear speed reducing mechanisms；
360- friction pulleys；370- frictions portion；The first mounting plates of 390-；The second mounting plates of 380-；381- connecting rods；342- first baffles；
343- second baffles；341- is around becket bridle；351- gear rings；352- sun wheel shafts；353- planetary gears；400- rope limiting devices；
410- limit holes；420- slides roll assembly；430- rope baffles；The first slide rollers of 421-；The second slide rollers of 422-.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.Therefore, below to attached
The detailed description of the embodiments of the present invention provided in figure is not intended to limit claimed the scope of the utility model,
But it is merely representative of the selected embodiment of the utility model.Based on the embodiments of the present invention, ordinary skill people
The every other embodiment that member is obtained without creative efforts belongs to the model of the utility model protection
It encloses.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
Embodiment
Single deceleration ramp-down device is suitable for high-rise escape.It, can be by using list when user needs high-rise escape
Deceleration ramp-down device, declines with security and stability, achievees the purpose that high-rise escape.
Fig. 1 is the sectional view of single deceleration ramp-down device provided in this embodiment.Referring to Fig. 1, in the present embodiment, it is single to slow down
Ramp-down device includes fixing piece 310, rope 320 and speed change gear 330, and speed change gear 330 includes around cheese 340, planetary reduction gear
Mechanism 350, friction pulley 360, the friction portion 370 for generating frictional force with around cheese 340 and the first installation being oppositely arranged
Plate 390 and the second mounting plate 380.
First mounting plate 390 and the second mounting plate 380 be single deceleration ramp-down device other component installation basis, first
Mounting plate 390 can be backboard, and the second mounting plate 380 can be panel, i.e., when user is using single deceleration ramp-down device
It waits, the first mounting plate 390 close to back is backboard, and the second mounting plate 380 far from back is panel, and user can be safe
Smoothly decline.
More connecting rods 381, the both ends difference of connecting rod 381 are set between first mounting plate 390 and the second mounting plate 380
It is connect with the first mounting plate 390 and the second mounting plate 380, increases the intensity of single deceleration ramp-down device, it is convenient that it is installed.
The setting for carrying out around cheese 340, rope is arranged between the first mounting plate 390 and the second mounting plate 380 in around cheese 340
Rope 320 is set around around cheese 340 and around cheese 340 is fixed in one end, and the other end is connect with fixing piece 310.Delayed using single slow down
When falling unit, fixing piece 310 is hung over and is escaped on the hook installed in advance.
Fig. 2 is the structural schematic diagram of single deceleration ramp-down device provided in this embodiment；Fig. 3 singly subtracts to be provided in this embodiment
First part's structural schematic diagram of fast ramp-down device；Fig. 4 is the second part knot of single deceleration ramp-down device provided in this embodiment
Structure schematic diagram.Also referring to Fig. 2-Fig. 4, in the present embodiment, around cheese 340 includes first baffle 342,343 and of second baffle
It is hollow around becket bridle 341, first baffle 342 is arranged at the first mounting plate 390 and second around becket bridle 341 and second baffle 343
Between mounting plate 380, first baffle 342 and second baffle 343 are respectively arranged at around the both sides of becket bridle 341, when rope 320 is wound
When on becket bridle 341, first baffle 342 and second baffle 343 obstruct rope 320 and the first mounting plate 390 and second
Mounting plate 380 contacts, and avoids generating frictional force between rope 320 and the first mounting plate 390 and the second mounting plate 380.
Referring to Fig. 3, in the present embodiment, planetary gear speed reducing mechanism 350 is fixed on around cheese 340, the first mounting plate 390 and
Two mounting plates 380, planetary gear speed reducing mechanism 350 include gear ring 351, sun wheel shaft 352 and multiple planetary gears 353, and gear ring 351 is solid
Due to wire spool, gear ring 351 is coaxially disposed with sun wheel shaft 352, each planetary gear 353 with gear ring 351 and sun wheel shaft
352 engage and are fixed on the first mounting plate 390 by bearing, and the both ends of sun wheel shaft 352 are respectively arranged at the first mounting plate 390
With the second mounting plate 380, the installation of planetary gear speed reducing mechanism 350 is realized.
First mounting plate 390 and the second mounting plate 380 are both provided with axial trough, are arranged axle sleeve in axial trough, two axle sleeves with too
Positive wheel shaft 352 is coaxially disposed, and the both ends of sun wheel shaft 352 are separately positioned in two axle sleeves.Facilitate setting for sun wheel shaft 352
It sets, sun wheel shaft 352 is made to be more prone to rotate.
Preferably, gear ring 351 is fixed on around becket bridle 341 and positioned in becket bridle 341, and the both ends of sun wheel shaft 352 are distinguished
It is connect across first baffle 342 and second baffle 343 and with the first mounting plate 390 and the second mounting plate 380, makes planetary reducer
Structure between structure 350 and around cheese 340 is compacter, and gear ring 351 can be rotated synchronously with around cheese 340 around becket bridle 341,
And realize that stablizing for sun wheel shaft 352 is installed.
In the present embodiment, planetary gear 353 includes three, and the axle center of three planetary gears 353 is connected to form positive triangle
Shape.Its structure is relatively easy, can also achieve the effect that slow down rate of fall well.
Referring to Fig. 4, in the present embodiment, friction pulley 360 is sheathed on outside the sun wheel shaft 352 of planetary gear speed reducing mechanism 350 simultaneously
It is moved synchronously with sun wheel shaft 352, between friction pulley 360 and around cheese 340, rope 320 is set around wiring in friction portion 370
Around cheese 340 is fixed in disk 340 and one end, and the other end is connect with fixing piece 310.Friction pulley 360 is expert at the setting of friction portion 370
The side far from the first mounting plate 390 of star gear 353, the i.e. both sides of planetary gear 353 are the first mounting plate 390 respectively and rub
Wheel 360 and friction portion 370 are wiped, friction pulley 360 and the both sides in friction portion 370 are planetary gear 353 and the second mounting plate respectively
380。
Fixing piece 310 is hung on the hook installed in advance, when user jumps off from high level, rope 320 is constantly drawn
It stretches, the rich around cheese 340 for setting rope 320 is made constantly to rotate, to drive the planetary reducer being fixed in around cheese 340
Structure 350 rotates, and the sun wheel shaft 352 of planetary gear speed reducing mechanism 350 is made to rotate, to make friction portion 370 rotate synchronously.It is rubbing
When 370 high-speed rotation of wiping portion, due to the effect of centrifugal force, friction portion 370 is directed away from the direction movement of friction pulley 360,
To make friction portion 370 contact with around cheese 340, make to generate frictional force between friction portion 370 and around cheese 340, to reduce
The rotating speed of around cheese 340 achievees the purpose that slow down decrease speed to slow down the stretched next speed of rope 320.Pass through friction
Friction between portion 370 and around cheese 340 can decline with security and stability, achieve the purpose that high-rise escape.
Friction pulley 360 is sheathed on outside sun wheel shaft 352 and by key connection, makes the company of friction pulley 360 and sun wheel shaft 352
It connects and more stablizes, can achieve the effect that move synchronously.The outer wheel face of friction pulley 360 is provided with the mounting groove of circular ring shape, friction
Block is set in mounting groove and outside friction pulley 360, by the setting of mounting groove, can limit friction portion 370 towards planet
The direction of gear 353 or the second mounting plate 380 moves, make friction portion 370 due to the effect of centrifugal force under, only towards far from rubbing
The direction movement of wheel 360 is wiped, the frictional force bigger around becket bridle 341 with around cheese 340, slow drop effect is more preferable, to reach peace
The purpose of stable decline entirely.
Preferably, friction portion 370 is provided with multiple, and the setting of the two neighboring interval of friction portion 370, multiple friction portions 370 can
To be combined into cyclic structure.When 360 high-speed rotation of friction pulley, multiple friction portions 370 are both facing to far from friction pulley 360
Direction moves, i.e., multiple friction portions 370 are moved towards surrounding, makes the inner ring surface around becket bridle 341 of around cheese 340 can be by
The friction force effect in friction portion 370, the slowing effect to be around cheese 340 is more preferable, further increases single deceleration ramp-down device
Smooth decreasing.
More preferably, friction portion 370 includes brake pad and friction plate, and brake pad is set in mounting groove and is located at friction pulley
Outside 360, friction plate is set to outside brake pad and in around cheese 340.Brake pad is metal friction block, and friction plate rubs for asbestos
Pad.The gravity of metal friction block is larger, in the case of 360 high-speed rotation of friction pulley, the centrifugal force bigger of brake pad, and friction
The effect that block is directed away from the direction movement of friction pulley 360 is more preferable；And the setting of asbestos friction sheet, can increase friction plate with around
The frictional force between becket bridle 341 of cheese 340 further increases the smooth decreasing of single deceleration ramp-down device, meanwhile, asbestos
Friction plate has good high-temperature resistant result, can bear the high temperature generated due to frictional force, increases the service life of friction plate.
It in the present embodiment, is connected by screw, can also be connected by way of bonding between friction plate and brake pad
It connects, as long as can integrate them.
Fig. 5 is the first structure schematic diagram of rope limiting device 400 provided in this embodiment；Fig. 6 be the present embodiment provides
Rope limiting device 400 the second structural schematic diagram.Also referring to Fig. 5 and Fig. 6, in the present embodiment, single slow drop dress that slows down
It further includes rope limiting device 400 to set, and the both ends of rope limiting device 400 are both secured to the installation of the first mounting plate 390 and second
Plate 380 is provided with limit hole 410 on rope limiting device 400, and rope 320 is connect across limit hole 410 with fixing piece 310.It is logical
The setting of rope limiting device 400 is crossed to change the direction of rope 320, ensures that rope 320 is located at the center of speed change gear 330.
Preferably, rope limiting device 400 includes sliding roll assembly 420 and rope baffle 430, slides 420 He of roll assembly
The both ends of rope baffle 430 are both secured to the first mounting plate 390 and the second mounting plate 380, and rope baffle 430 is located at sliding roller group
The top of part 420, limit hole 410 is provided on rope baffle 430, and rope 320 sequentially passes through sliding roll assembly 420 and limit hole
410 connect with fixing piece 310.Change the direction of rope 320 by sliding the setting of roll assembly 420 and rope baffle 430, protects
Card rope 320 is in the center of speed change gear 330, meanwhile, the setting of roll assembly 420 is slided, rope 320 and rope can be reduced
The frictional force of baffle 430 avoids rope 320 from wearing, and extends the service life of single deceleration ramp-down device.
More preferably, sliding roll assembly 420 includes two the first slide rollers 421 and two the second slide rollers 422, the first sliding
Roller 421 is arranged relative to the second slide roller 422 closer to planetary gear speed reducing mechanism 350, that is, is using single deceleration ramp-down device
When, the second slide roller 422, the first slide roller 421 and planetary gear speed reducing mechanism 350 are set gradually from top to bottom, two second cunnings
The both ends of dynamic roller 422 may be contained within rope baffle 430, and the both ends of two the first slide rollers 421 are respectively arranged at the first mounting plate
390 and second mounting plate 380, the axis of two the first slide rollers 421 intersect with the axis of two the second slide rollers 422, rope
320 one end is mounted in around cheese 340, and the other end initially passes through the centre of two the first slide rollers 421, is then passed through two second
The centre of slide roller 422 is pierced by from limit hole 410, is connect with fixing piece 310.
Pass through the setting of two first slide rollers 421 and two the second slide rollers 422, preferably two the first slide rollers 421
Axis it is vertical with the axis of two the second slide rollers 422, rope 320 can be made in two the first slide rollers 421 and two
It shuttles between two slide rollers 422, there is certain restriction effect to the direction of motion of rope 320, using single slow drop dress that slows down
When setting, avoid rope 320 stuck, sliding is smooth, and rope 320 is avoided significantly to swing, and reduces the friction that rope 320 is subject to
Power increases the service life of rope 320, improves the safety in utilization of single deceleration ramp-down device.
Preferably, it is respectively small one and large one in two the first slide rollers 421, rope 320 is from the first larger slide roller
Winding on 421 further avoids the shaking of rope 320 across two the second slide rollers 422, improves single slow drop dress that slows down
The safety in utilization and comfort set.
In the present embodiment, rope 320 is steel wire rope, will not be burned, and high strength, service life is long.Or other
The rope 320 that can carry out high-rise slow drop also belongs to the range of the utility model protection.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of list deceleration ramp-down device, is suitable for high-rise escape, which is characterized in that including gear, the gear
Including around cheese, planetary gear speed reducing mechanism, friction pulley and friction portion for generating frictional force with the around cheese, the planet subtracts
Fast mechanism is fixed on the around cheese, the friction pulley be sheathed on the planetary gear speed reducing mechanism sun wheel shaft it is outer and with it is described too
Positive wheel shaft moves synchronously, and the friction part is between the friction pulley and the around cheese.
2. list deceleration ramp-down device according to claim 1, which is characterized in that the list deceleration ramp-down device further includes rope
Rope and fixing piece, the rope is set around the around cheese and the around cheese, the other end and the fixing piece are fixed in one end
Connection.
3. list deceleration ramp-down device according to claim 2, which is characterized in that the outer wheel face of the friction pulley is provided with peace
Tankage, the friction portion are set in the mounting groove and outside the friction pulley.
4. list deceleration ramp-down device according to claim 3, which is characterized in that the friction portion be provided with it is multiple, it is adjacent
Two friction portions interval is arranged, and multiple friction portions can be combined into cyclic structure.
5. list deceleration ramp-down device according to claim 3 or 4, which is characterized in that the friction portion include brake pad and
Friction plate, the brake pad are set in the mounting groove and outside the friction pulley, and the friction plate is set to described rub
Cleaning block is outer and in the around cheese.
6. list deceleration ramp-down device according to claim 5, which is characterized in that ramp-down device further includes the be oppositely arranged
The both ends of one mounting plate and the second mounting plate, the sun wheel shaft of the planetary gear speed reducing mechanism are respectively arranged at first peace
Loading board and second mounting plate.
7. list deceleration ramp-down device according to claim 6, which is characterized in that the planetary gear speed reducing mechanism further includes gear ring
With multiple planetary gears, the gear ring is fixed on the around cheese, and the gear ring is coaxially disposed with the sun wheel shaft, Mei Gesuo
Planetary gear is stated to engage with the gear ring and the sun wheel shaft and be fixed on first mounting plate by bearing, it is described to rub
Wheel is wiped to be sheathed on outside the sun wheel shaft and pass through key connection.
8. list deceleration ramp-down device according to claim 7, which is characterized in that the around cheese includes hollow wiring
Ring, described to be set between first mounting plate and second mounting plate around becket bridle, the gear ring is fixed on the wiring
Ring and positioned at described in becket bridle, the sun wheel shaft, multiple planetary gears, the friction pulley and the brake pad are all provided with
It is placed in described in becket bridle.
9. list deceleration ramp-down device according to claim 8, which is characterized in that the around cheese further include first baffle and
Second baffle, the first baffle and the second baffle are respectively arranged at described around the both sides of becket bridle and positioned at first peace
Between loading board and second mounting plate, the both ends of the sun wheel shaft are each passed through the first baffle and the second baffle
And it is connect with first mounting plate and second mounting plate.
10. according to claim 6-9 any one of them list deceleration ramp-down devices, which is characterized in that single slow drop dress that slows down
It further includes rope limiting device to set, and the both ends of the rope limiting device are both secured to first mounting plate and second peace
Loading board is provided with limit hole on the rope limiting device, and the rope is connect across the limit hole with the fixing piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820183347.8U CN208003273U (en) | 2018-02-01 | 2018-02-01 | A kind of list deceleration ramp-down device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820183347.8U CN208003273U (en) | 2018-02-01 | 2018-02-01 | A kind of list deceleration ramp-down device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208003273U true CN208003273U (en) | 2018-10-26 |
Family
ID=63885052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820183347.8U Active CN208003273U (en) | 2018-02-01 | 2018-02-01 | A kind of list deceleration ramp-down device |
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| Country | Link |
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| CN (1) | CN208003273U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113559429A (en) * | 2021-08-23 | 2021-10-29 | 金华捷科工具有限公司 | High-altitude escape backpack and rope-recoverable descent control device thereof |
| CN113893471A (en) * | 2021-11-08 | 2022-01-07 | 嘉兴学院 | High-rise emergency slow-falling escapement mechanism and slow-falling device thereof |
-
2018
- 2018-02-01 CN CN201820183347.8U patent/CN208003273U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113559429A (en) * | 2021-08-23 | 2021-10-29 | 金华捷科工具有限公司 | High-altitude escape backpack and rope-recoverable descent control device thereof |
| WO2023024326A1 (en) * | 2021-08-23 | 2023-03-02 | 金华捷科工具有限公司 | High-altitude escape backpack, and descend control device thereof with retractable rope |
| CN113893471A (en) * | 2021-11-08 | 2022-01-07 | 嘉兴学院 | High-rise emergency slow-falling escapement mechanism and slow-falling device thereof |
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| CP03 | Change of name, title or address |
Address after: 473000 North Side of Weishi Road Middle Section of Nanyang New Energy Economic and Technological Development Zone, Henan Province Patentee after: Henan Timely Star Emergency Rescue Equipment Co., Ltd. Address before: 473000 Lihe Logistics Park, Funiu Road, Wancheng District, Nanyang City, Henan Province Patentee before: Nanyang timely star emergency rescue equipment Co., Ltd. |