CN206915554U - A kind of escalator safety device - Google Patents
A kind of escalator safety device Download PDFInfo
- Publication number
- CN206915554U CN206915554U CN201720730132.9U CN201720730132U CN206915554U CN 206915554 U CN206915554 U CN 206915554U CN 201720730132 U CN201720730132 U CN 201720730132U CN 206915554 U CN206915554 U CN 206915554U
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- air bag
- queue
- piston
- spring
- inflation
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Abstract
A kind of escalator safety device, including box staircase frame and stepped conveyer belt, a left side is installed on box staircase frame left armrests baffle plate to jump a queue air bag, the right side is installed on right armrest baffle plate to jump a queue air bag, moment gasing tank is installed in box staircase frame, moment gasing tank suppresses device including inflation tank body, inflation piston and moment, moment, which suppresses device, to be included spring containing tube, piston spring, stores force motor and release power and stick up bar, spring containing tube is arranged on piston-cylinder tail end, and electromagnetic attracting device is provided with releasing power and sticking up bar afterbody.The present embodiment installs air bag of jumping a queue on the handrail baffle plate of escalator, when personnel or object on the escalator it is out of hand down tumbled from eminence when, jump a queue air bag will moment gassy expand, the formation software clip between handrail baffle plate, prevent the situation of injury to personnel.Therefore, the escalator safety device is rational in infrastructure, has higher security.
Description
Technical field
The utility model belongs to a kind of safety device, more particularly to a kind of escalator safety device.
Background technology
Escalator has the superiority of continuous rapid evacuation major pedestrian movement, thus is widely used in cinema, market, public affairs
Hand over the crowded public places such as station.But prior art escalator due to be fitted without prevent personnel, carrier and
The safety device that other objects down tumble along staircase from eminence, therefore often generation carrier or other objects lose control
System, is down collided and the personnel that hurt innocent persons along staircase from eminence, and boarding personnel itself from staircase eminence down tumble by
The situation of wound.
The content of the invention
In order to solve the problems, such as that personnel easily occur for prior art escalator and object tumbles along staircase from eminence, this
Utility model aims to provide a kind of escalator safety device, and the staircase safety device is provided with jump a queue air bag and moment gasing tank,
When personnel or object tumble along staircase from eminence, quickly escalator is laterally blocked, prevents the feelings of injury to personnel
Condition.
In order to achieve the above object, the utility model adopts the following technical scheme that：A kind of escalator safety device, including
Box staircase frame and stepped conveyer belt, handrail baffle plate is fitted with left and right sides of box staircase frame, it is characterized in that：In box
A left side is installed on staircase frame left armrests baffle plate to jump a queue air bag, the right side is installed on box staircase frame right armrest baffle plate and jumped a queue air bag,
Left side air bag and the right side air bag of jumping a queue of jumping a queue is mutually combined into extruding clip mouth or encircles clip mouth, and the left side is jumped a queue air bag and the right side
Air bag of jumping a queue is designed with air bag containing box, and moment gasing tank is installed in box staircase frame, and the moment gasing tank includes inflation
Tank body, inflation piston and moment suppress device, and the inflation tank inner chamber is provided with piston-cylinder, and end is provided with transmission tracheae, described
Piston bush is inflated in piston-cylinder, the moment, which suppresses device, to be included spring containing tube, piston spring, store force motor and release power
Bar is stuck up, the spring containing tube is arranged on piston-cylinder tail end and its inner chamber is provided with spring rotating disk, and the piston spring is arranged on
On spring rotating disk and its end is connected with inflation piston, and the storage force motor is connected by transmission mechanism with spring rotating disk,
The power of releasing sticks up that bar is arranged on outside spring containing tube and its end is provided with clip roller and goring push spring, the clip roller and
Piston spring clutch hooking engagement, electromagnetic attracting device is provided with releasing power and sticking up bar afterbody, the electromagnetic attracting device is provided with passenger's unusual fluctuation
Inductive switch.
This preferred embodiment also has following technical characteristic：
The air bag containing box is in strip body structure and is provided with air chamber gas charging valve and air bag air bleeding valve, the airbag aeration
Valve is connected with transmission tracheae, is provided with folding and unfolding chamber mouth in air bag containing box side, and jump a queue air bag, the right side of the left side is jumped a queue air bag and folding and unfolding
Case mouth is tightly connected.
Jump a queue air bag on a left side and the right side is jumped a queue air bag end set concave-convex type utricule, flat type utricule or recess type utricule.
Isobaric blowing mouth is provided with inflation tank end, the isobaric blowing mouth is provided with more transmission tracheaes, more transmission
Tracheae air bag, the right side air bag of jumping a queue of being jumped a queue respectively with a left side is connected.
Push-and-pull rotating disk is provided with inflation piston back, the push-and-pull rotating disk is connected with piston spring.
The storage force motor is provided with piston position-sensing switch, and the piston position-sensing switch is arranged on piston-cylinder tail end and is provided with
Cut-off button, the cut-off button are provided with elastic cannula and transmission push rod, and the transmission push rod coordinates with inflation piston pushing tow.
It is provided with the middle part of spring containing tube and sticks up bar support, end is provided with roller sleeve pipe, and the power of releasing is stuck up bar and pacified by rotating shaft
Mounted in sticking up on bar support, the clip roller is sleeved in roller sleeve pipe, and the goring push spring is arranged on clip roller tail end simultaneously
Coordinate with inflation inner tank wall top pressure, the electromagnetic attracting device includes magnechuck and fixing sucking disk.
Passenger's unusual fluctuation inductive switch includes velocity response switch and vibration inducted switch, the velocity response switch peace
On handrail baffle plate, the vibration inducted switch is arranged on stepped conveyer belt.
The present embodiment installs air bag of jumping a queue on the handrail baffle plate of escalator, when personnel or object lose on the escalator
Go control from eminence down tumble when, jump a queue air bag will moment gassy expand, the formation between handrail baffle plate
Software clip, prevent the situation of injury to personnel.Therefore, the escalator safety device is rational in infrastructure, has higher peace
Quan Xing.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the assembling structure schematic diagram of the utility model one embodiment.
Fig. 2 is the structural representation of Fig. 1 overhead views.
Fig. 3 jumps a queue air bag 10 and the right end set of air bag 11 of jumping a queue into the structural representation of recess type utricule 111 for a left side.
Fig. 4 jumps a queue air bag 10 and the right end set of air bag 11 of jumping a queue into the structural representation of concave-convex type utricule 110 for a left side.
Fig. 5 is the structural representation of moment gasing tank 20 in Fig. 1.
Fig. 6 is the structural representation that moment suppresses device 23 in Fig. 5.
Fig. 7 is the structural representation of air bag containing box 12 in Fig. 1,2,3,4.
Sequence number represents respectively in figure：01. box staircase frame, 02. stepped conveyer belt, 03. handrail baffle plate, 10. left sides are jumped a queue
Air bag, 11. right sides are jumped a queue air bag, 110. concave-convex type utricules, 111. recess type utricules, 12. air bag containing boxs, 13. air chamber gas charging valves,
14. air bags valve, 15. folding and unfolding chamber mouths, 20. moment gasing tanks, 21. inflation tank bodies, 210. piston-cylinders, 211. conveying gas
Pipe, 212. isobaric blowing mouths, 22. inflation pistons, 23. moments suppress device, and 24. spring containing tubes, 240. spring rotating disks, 241. stick up
Bar support, 242. roller sleeve pipes, 25. piston springs, 26. storage force motors, 260. piston position-sensing switches, 261. cut-off buttons,
262. elastic cannulas, 263. transmission push rods, 264. push rod spring, 27., which release power, sticks up bar, 270. clip rollers, 271. goring push springs,
272. electromagnetic attracting device.
Embodiment
Referring to Fig. 1 and Fig. 2,3,4,5,6,7 are combined, the escalator safety device of the present embodiment includes box staircase frame 01
With stepped conveyer belt 02, handrail baffle plate 03 is fitted with the left and right sides of box staircase frame 01, in the left side of box staircase frame 01
A left side is installed on handrail baffle plate 03 to jump a queue air bag 10, the right side is installed on the right armrest baffle plate 03 of box staircase frame 01 and jumped a queue air bag 11,
Left side air bag 10 and the right side air bag 11 of jumping a queue of jumping a queue is mutually combined into extruding clip mouth or encircles clip mouth, and the left side is jumped a queue air bag
10 and right side air bag 11 of jumping a queue be designed with air bag containing box 12, installation moment gasing tank 20, the moment in box staircase frame 01
Gasing tank 20 suppresses device 23 including inflation tank body 21, inflation piston 22 and moment, and inflation tank body 21 inner chamber is provided with piston gas
Cylinder 210, end are provided with transmission tracheae 211, and the inflation piston 22 is sleeved in piston-cylinder 210, and the moment suppresses device 23
Including spring containing tube 24, piston spring 25, store force motor 26 and release power and stick up bar 27, the spring containing tube 24 is arranged on piston
The tail end of cylinder 210 and its inner chamber are provided with spring rotating disk 240, and the piston spring 25 is arranged on spring rotating disk 240 and its end
It is connected with inflation piston 22, the storage force motor 26 is connected by transmission mechanism with spring rotating disk 240, and the power of releasing sticks up bar
27 are arranged on the outside of spring containing tube 24 and its end is provided with clip roller 270 and goring push spring 271, the clip roller 270
With the clutch hooking engagement of piston spring 25, electromagnetic attracting device 272, the electromagnetic attracting device 272 are provided with releasing power and sticking up the afterbody of bar 27
Provided with passenger's unusual fluctuation inductive switch.
When it is implemented, box staircase frame 01 is erected between two layers of floor of height, stepped conveyer belt 02 is arranged on case
The top of type staircase frame 01, the continuous conveying stream of people in a manner of circulation rotating, handrail baffle plate 03 are arranged on the top of box staircase frame 01
Both sides, be both rotating handrail band operation support, be the baffle plate for preventing passenger from falling from the avris of box staircase frame 01 again.
The air bag containing box 12 is in strip body structure and is provided with air chamber gas charging valve 13 and air bag air bleeding valve 14, the gas
Capsule charge valve 13 is connected with transmission tracheae 211, is provided with folding and unfolding chamber mouth 15 in the side of air bag containing box 12, and the left side is jumped a queue air bag
10th, right side air bag 11 of jumping a queue is tightly connected with folding and unfolding chamber mouth 15.
When it is implemented, air bag containing box 12 is firmly installed on handrail baffle plate 03 and makes folding and unfolding chamber mouth 15 towards ladder
Type conveyer belt 02, left side air bag 10 and the right side air bag 11 of jumping a queue of jumping a queue are mounted opposite in handrail baffle plate 03 by air bag containing box 12 or so
On, expand during gassy, and the formation software clip between handrail baffle plate 03, prevent object and personnel along ladder
Type conveyer belt 02 down tumbles from height.
When it is implemented, air chamber gas charging valve 13 is Non-return air valve, gas is flowed to a left side from inflation tank body 21 and jump a queue gas
Capsule 10 and the right side are jumped a queue air bag 11, it is impossible to jump a queue air bag 10 from a left side and right side air bag 11 of jumping a queue is back to inflation tank body 21, a left side is jumped a queue gas
Air bag 11 is jumped a queue on capsule 10 and the right side can only be by 14 outside discharge gas of air bags valve.
When it is implemented, setting multiple tracks software clip at the middle part of handrail baffle plate 03 and bottom, the software clip is by a left side
Air bag 10 and the right side air bag 11 of jumping a queue of jumping a queue combine composition, and the personnel or object on stepped conveyer belt 02 lose control in any position
System, software clip can be clamped and its stopping down being tumbled.
When it is implemented, being provided with more transmission tracheaes 211 between air bag containing box 12 and inflation tank body 21, a left side is set to jump a queue
Air bag 10 and the right side air bag 11 of jumping a queue can be rapidly filled with gas and form software clip.
Jump a queue air bag 10 on a left side and the right side is jumped a queue the end set concave-convex type utricule 110 of air bag 11, flat type utricule or recess type
Utricule 111.
When it is implemented, a left side is jumped a queue, the end set of air bag 11 is jumped a queue into mutual group during concave-convex type utricule 110 in air bag 10 and the right side
The extruding clip mouth of synthesis bending concaveconvex structure, air bag 10 and the right side are jumped a queue when jumping a queue the end set of air bag 11 into flat type utricule in a left side
It is mutually combined into the extruding clip mouth of flat type structure, the end set of air bag 11 is jumped a queue into recess type capsule in jump a queue air bag 10 and the right side of a left side
Mutually it is combined into during body 111 and encircles clip mouth, is encircled clip mouth and facilitate personnel's delay to encircle recess provided with multiple, encircled recess both
Personnel or object can be made to stop down tumbling, make personnel from the extruding force of air bag again.
When it is implemented, left air bag 10 and the right end of air bag 11 of jumping a queue of jumping a queue is made up of the material of soft texture, can prevent
Personnel or object down tumble along escalator, will not injure the personnel pressed from both sides again.Air bag 10 is jumped a queue on a left side and the right side is jumped a queue air bag
It is contracted under 11 normalities in air bag containing box 12, gassy is just understood when only passenger's unusual fluctuation inductive switch starts and forms software
Clip.
Isobaric blowing mouth 212 is provided with inflation tank body 21 end, the isobaric blowing mouth 212 is provided with more transmission tracheaes
211, more transmission tracheaes 211 air bag 10, the right side air bag 11 of jumping a queue of being jumped a queue respectively with a left side is connected.
When it is implemented, isobaric blowing mouth 212 be arranged on the middle part of inflation tank body 21 end face and with the phase of piston-cylinder 210
It is logical, the gas equipressure that piston-cylinder 210 exports is transferred to air bag 10 is jumped a queue on a left side and the right side is jumped a queue air bag 11, a left side is jumped a queue air bag 10
Being jumped a queue with the right side, inflation forms software clip to air bag 11 simultaneously.
When it is implemented, the how secondary moment gasing tank 20 of installation in box staircase frame 01, enables more pairs to jump a queue air bag simultaneously
Inflation forms multiple tracks software clip.
When it is implemented, spring rotating disk 240 is arranged on the axle bed of the root of spring containing tube 24, piston spring 25 is arranged on
In the card of spring rotating disk 240, storage force motor 26 is arranged on the inflation afterbody of tank body 21 and passes through transmission mechanism drive spring rotating disk 240
Rotation, piston spring 25 is driven to rotate simultaneously when spring rotating disk 240 rotates, piston spring 25 will drive inflation piston 22 past living
The tail end of piston cylinder 210 is run.
Push-and-pull rotating disk is provided with inflation piston 22 back, the push-and-pull rotating disk is connected with piston spring 25.
Push-and-pull rotating disk makes inflation piston 22 back and forth to be run in piston-cylinder 210 with piston spring 25, again will not
Rotation is driven by piston spring 25.
The storage force motor 26 is provided with piston position-sensing switch 260, and the piston position-sensing switch 260 is arranged on piston-cylinder
210 tail ends are simultaneously provided with cut-off button 261, and the cut-off button 261 is provided with elastic cannula 262 and transmission push rod 263, the transmission
Push rod 263 coordinates with inflation piston 22 pushing tow.
When it is implemented, elastic cannula 262 by muscle shelves be arranged on the tail end of piston-cylinder 210 and with the phase of spring containing tube 24
Side by side, transmission push rod 263 is sleeved on the inner chamber of elastic cannula 262, and push rod is provided between elastic cannula 262 and transmission push rod 263
Spring 264, the elastic force of push rod spring 264 make transmission push rod 263 all the time toward the motion of the direction of cut-off button 261 is departed from, only by
To just can be toward the direction motion of top pressure cut-off button 261, when transmission push rod 263 holds out against cut-off button 261 during inflation 22 pushing tow of piston
Cut-out stores the power supply of force motor 26, inflation piston 22 is rested on the tail end of piston-cylinder 210.
It is provided with the middle part of spring containing tube 24 and sticks up bar support 241, end is provided with roller sleeve pipe 242, and the power of releasing sticks up bar 27
It is arranged on and is stuck up on bar support 241 by rotating shaft, the clip roller 270 is sleeved in roller sleeve pipe 242, the goring push spring
271 are arranged on the tail end of clip roller 270 and coordinate with the inflation inwall top pressure of tank body 21, and the electromagnetic attracting device 272 includes electromagnetism
Sucker and fixing sucking disk.
When it is implemented, sticking up bar axle bed sticking up the end of bar support 241 and being provided with, release power and stick up bar 27 and be arranged on and stick up on bar axle bed simultaneously
Form to stick up laborsaving lever of the bar support 241 for fulcrum.
When it is implemented, roller sleeve pipe 242 communicates with the inner chamber of spring containing tube 24, clip roller 270 passes through roller sleeve pipe
242 jacking or can easily exit the inner chamber of spring containing tube 24.Restart storage power during 270 jacking spring containing tube 24 of clip roller
Motor 26 rotates piston spring 25, and clip roller 270 will compress piston spring 25 toward the inner chamber of spring containing tube 24, piston
Spring 25 will drive inflation piston 22 to run to the tail end of piston-cylinder 210, when clip roller 270 exits spring containing tube 24,
Piston spring 25, which loses pressure, will drive inflation piston 22 quickly to run to the end of piston-cylinder 210, by the gas in cylinder
Air bag of jumping a queue is inputted, and its instantaneous expansion is formed software clip.The resilient force of goring push spring 271 releases power and sticks up bar 27, begins
Swung eventually toward the direction of 270 jacking spring containing tube of clip roller 24.
Release power when it is implemented, magnechuck is arranged on and stick up the tail end of bar 27, fixing sucking disk is arranged on spring containing tube 24
Portion, magnechuck produce powerful suction when being powered, and drive to release power and stick up bar 27 and exit spring containing tube 24 toward clip roller 270
Direction is swung, and the end of clip roller 270 will depart from piston spring 25, and piston spring 25 will drive inflation piston 22 by gas
Air bag 10 is jumped a queue on an input left side and the right side is jumped a queue air bag 11.
When it is implemented, being provided with forked type axle bed releasing power and sticking up the end of bar 27, clip roller 270, which is arranged on forked type axle bed, to be begun
Plumbness jacking is kept eventually or exits spring containing tube 24.
When it is implemented, being provided with rotary sleeve in the outer ring of clip roller 270, rotary sleeve can easily both block pressure piston bullet
Spring 25, and can synchronous axial system with the stretching operation of piston spring 25.
Passenger's unusual fluctuation inductive switch includes velocity response switch and vibration inducted switch, the velocity response switch peace
On handrail baffle plate 03, the vibration inducted switch is arranged on stepped conveyer belt 02.
Switched when it is implemented, being provided with multiple velocity responses on handrail baffle plate 03, velocity response switch is passed with step type
Send the people on band 02 or speed that other objects are down run is working signal, down the speed of service reaches setting when people or object
During speed, velocity response switch will start electromagnetic attracting device 272, and the air bag that makes to jump a queue is rapidly filled with gas and forms software clip.
When it is implemented, being provided with multiple vibration inducted switch on stepped conveyer belt 02, vibration inducted switch is with ladder
Vibration force on type conveyer belt 02 is working signal, when the intensity of vibration force on stepped conveyer belt 02 reaches setting value, is shaken
Dynamic inductive switch will start electromagnetic attracting device 272, and the air bag that makes to jump a queue is rapidly filled with gas and forms software clip.
In summary, the present embodiment solves prior art escalator personnel and object easily occurs along staircase from height
The problem of place tumbles, there is provided one kind quickly can laterally block escalator, prevent the escalator peace of injury to personnel
Full device.
Claims (8)
1. a kind of escalator safety device, including box staircase frame and stepped conveyer belt, at left and right sides of box staircase frame
Handrail baffle plate is fitted with, it is characterized in that：A left side is installed on box staircase frame (01) left armrests baffle plate (03) to jump a queue air bag
(10) right side, is installed on box staircase frame (01) right armrest baffle plate (03) to jump a queue air bag (11), the left side is jumped a queue air bag (10)
It is mutually combined into extruding clip mouth with right side air bag (11) of jumping a queue or encircles clip mouth, air bag (10) is jumped a queue on the left side and the right side is jumped a queue gas
Capsule (11) is designed with air bag containing box (12), the installation moment gasing tank (20) in box staircase frame (01), the moment inflation
Tank (20) suppresses device (23) including inflation tank body (21), inflation piston (22) and moment, and described inflation tank body (21) inner chamber is provided with
Piston-cylinder (210), end are provided with transmission tracheae (211), and the inflation piston (22) is sleeved in piston-cylinder (210), institute
Moment is stated to suppress device (23) and include spring containing tube (24), piston spring (25), store force motor (26) and release power and stick up bar (27), institute
State that spring containing tube (24) is arranged on piston-cylinder (210) tail end and its inner chamber is provided with spring rotating disk (240), the piston spring
(25) it is arranged on spring rotating disk (240) and its end with inflation piston (22) to be connected, the storage force motor (26) passes through biography
Motivation structure is connected with spring rotating disk (240), and the power of releasing sticks up bar (27) and is arranged on spring containing tube (24) outside and its end
Provided with clip roller (270) and goring push spring (271), the clip roller (270) and piston spring (25) clutch hooking engagement,
Electromagnetic attracting device (272) is provided with releasing power and sticking up bar (27) afterbody, and the electromagnetic attracting device (272) is provided with passenger's unusual fluctuation sensing and opened
Close.
2. a kind of escalator safety device according to claim 1, it is characterized in that：The air bag containing box (12) is in length
Bar body structure is simultaneously provided with air chamber gas charging valve (13) and air bag air bleeding valve (14), the air chamber gas charging valve (13) and transmission tracheae
(211) connect, be provided with folding and unfolding chamber mouth (15) in air bag containing box (12) side, jump a queue air bag (10), the right side of the left side is jumped a queue air bag
(11) it is tightly connected with folding and unfolding chamber mouth (15).
3. a kind of escalator safety device according to claim 1, it is characterized in that：Jumped a queue on a left side air bag (10) and it is right plus
Fill in air bag (11) end set concave-convex type utricule (110), flat type utricule or recess type utricule (111).
4. a kind of escalator safety device according to claim 1, it is characterized in that：It is provided with inflation tank body (21) end
Isobaric blowing mouth (212), the isobaric blowing mouth (212) are provided with more transmission tracheaes (211), more transmission tracheaes (211) point
Air bag (10), the right side air bag (11) of jumping a queue of not jumped a queue with a left side are connected.
5. a kind of escalator safety device according to claim 1, it is characterized in that：It is provided with inflation piston (22) back
Push-and-pull rotating disk, the push-and-pull rotating disk are connected with piston spring (25).
6. a kind of escalator safety device according to claim 1, it is characterized in that：The storage force motor (26), which is provided with, to be lived
Position-sensing switch (260) is filled in, the piston position-sensing switch (260) is arranged on piston-cylinder (210) tail end and is provided with cut-off button
(261), the cut-off button (261) is provided with elastic cannula (262) and transmission push rod (263), and the transmission push rod (263) is with filling
Gas piston (22) pushing tow coordinates.
7. a kind of escalator safety device according to claim 1, it is characterized in that：Set in the middle part of spring containing tube (24)
Have and stick up bar support (241), end is provided with roller sleeve pipe (242), and the power of releasing, which is stuck up bar (27) and is arranged on by rotating shaft, sticks up bar support
(241) on, the clip roller (270) is sleeved in roller sleeve pipe (242), and the goring push spring (271) is arranged on clip rolling
Post (270) tail end simultaneously coordinates with inflation tank body (21) inwall top pressure.
8. a kind of escalator safety device according to claim 1, it is characterized in that：Passenger's unusual fluctuation inductive switch bag
Velocity response switch and vibration inducted switch are included, the velocity response switch is arranged on handrail baffle plate (03), the vibration sense
Inductive switch is arranged on stepped conveyer belt (02).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720730132.9U CN206915554U (en) | 2017-06-21 | 2017-06-21 | A kind of escalator safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720730132.9U CN206915554U (en) | 2017-06-21 | 2017-06-21 | A kind of escalator safety device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206915554U true CN206915554U (en) | 2018-01-23 |
Family
ID=61322237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720730132.9U Withdrawn - After Issue CN206915554U (en) | 2017-06-21 | 2017-06-21 | A kind of escalator safety device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206915554U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107098256A (en) * | 2017-06-21 | 2017-08-29 | 饶伊珂 | A kind of escalator safety device |
-
2017
- 2017-06-21 CN CN201720730132.9U patent/CN206915554U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107098256A (en) * | 2017-06-21 | 2017-08-29 | 饶伊珂 | A kind of escalator safety device |
| CN107098256B (en) * | 2017-06-21 | 2018-06-29 | 饶伊珂 | A kind of escalator safety device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180123 Effective date of abandoning: 20180629 |