CN106081804A - A kind of telescopic toeguard - Google Patents
A kind of telescopic toeguard Download PDFInfo
- Publication number
- CN106081804A CN106081804A CN201610674713.5A CN201610674713A CN106081804A CN 106081804 A CN106081804 A CN 106081804A CN 201610674713 A CN201610674713 A CN 201610674713A CN 106081804 A CN106081804 A CN 106081804A
- Authority
- CN
- China
- Prior art keywords
- toeguard
- inner panel
- outside plate
- lower outside
- screw rod
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/02—Cages, i.e. cars
- B66B11/0226—Constructional features, e.g. walls assembly, decorative panels, comfort equipment, thermal or sound insulation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0043—Devices enhancing safety during maintenance
- B66B5/005—Safety of maintenance personnel
Abstract
The present invention relates to a kind of elevator toeguard, specifically provide a kind of telescopic toeguard, a kind of telescopic toeguard, described toeguard is arranged on cage bottom, including upper inner panel and lower outside plate, being connected by slide rail between described upper inner panel with lower outside plate, car bottom girder is fixed at upper inner panel top, and lower outside plate moves up and down along slide rail；Also including screw rod, be fixed on lower outside plate bottom described screw rod, screw rod top movable is located on inner panel.This telescopic toeguard that the present invention provides, reduce the requirement to pit height, solve owing to toeguard length causes maintainer or occupant to fall the problem of hoistway not simultaneously, improve maintenance and take advantage of the safety of load, ensure that enough safe distances, avoid clashing into pit and toeguard is caused damage, easy for installation, reduce cost.
Description
Technical field
The present invention relates to a kind of elevator toeguard, be specifically related to a kind of telescopic toeguard.
Background technology
Along with the fast development of building industry, house is built higher and higher, and elevator seems in people's daily life and becomes more and more important.?
In elevator industry, need often elevator to be overhauled, but accident likely can occur during overhauling elevator, for avoiding
During something unexpected happened, personnel are damaged, need, at cage bottom, toeguard is installed.Existing toeguard meets the institute of GB
Require, it is adaptable to standard pit depth, can intactly embody the function of demand, and cost of manufacture is cheap, installation process
Simply.
But, for the pit that the degree of depth is less than normal, existing toeguard cannot meet requirement, be mainly reflected in: first, it is impossible to
Ensureing enough safe distances, the personnel of easily causing fall hoistway, damage to maintainer and occupant；Second, at elevator
When running to bottom, it is possible to pit ground can be struck, thus cause toeguard to damage.
Summary of the invention
It is an object of the invention to overcome the defect of above-mentioned prior art, it is provided that a kind of go for stretching of small size pit
Contracting formula toeguard, reduces the requirement to pit height, solve simultaneously due to toeguard length cause not maintainer or
Occupant falls the problem of hoistway, improves maintenance and takes advantage of the safety of load.
To this end, the invention provides a kind of telescopic toeguard, described toeguard is arranged on cage bottom, including upper inner panel
With lower outside plate, being connected by slide rail between described upper inner panel with lower outside plate, car bottom girder, lower outside plate edge are fixed in upper inner panel top
Slide rail to move up and down；Also including screw rod, be fixed on lower outside plate bottom described screw rod, screw rod top movable is located at inner panel
On.
The toeguard that the present invention provides is stretching structure, is respectively equipped with slide rail in upper inner panel two side, and lower outside plate is interior with upper
Plate is connected by slide rail, and the sliding stroke of slide rail is more than the compression travel of toeguard so that can be automatically adjusted in pit region
Vertical height, reduces the requirement to pit height, ensure that maintenance and the safety of carrying simultaneously.It addition, in the present invention also
Being provided with screw rod, fixing bottom described screw rod, top freely extends, and is used in combination with slide rail, plays bi-directional compression guide effect,
Ensure elevator stable operation, reduce the impulsive force to slide rail in car dropping process, extend slide rail service life.
In order to ensure that upper inner panel and lower outside plate slide smoothly and install, between upper inner panel and lower outside plate, leave 5mm gap.
As the improvement in structure, described lower outside plate is horizontally set with the first fixture, solid through first bottom described screw rod
Locking member and being fixed on the first fixture by upper and lower nut；The second fixture it has been horizontally set with, on described screw rod on described upper inner panel
Portion through the second fixture and is movably arranged on the second fixture by top nut.
Owing to screw rod is only arranged over nut at the second fixture, so screw rod can freely upwardly extend, play guiding
Effect, simple in construction, easy to operate.First fixture, the second fixture are respectively arranged on lower outside plate, the bottom of upper inner panel, one
Reduced size is adjusted, it is possible to achieve the compression completely of toeguard in the range of Ding.
As the improvement in structure, described screw rod is arranged with compression spring.Compression spring provides toeguard to leave pit
After restoring force, there is reset response, it is to avoid toeguard is stuck and cannot be up.
As the improvement in structure, described upper inner panel is vertically additionally provided with two connectors being parallel to each other, connector with
Second fixture is vertical, offers chute in connector.It is easy to regulate the sedan-chair foot of cage bottom.
As the improvement in structure, bottom described lower outside plate, it is provided with bending bolt retainer.Fixing connection bottom lower outside plate
Having bending edges, bending edges to weld with bending bolt retainer, bending bolt retainer has two, is respectively arranged on bottom lower outside plate two
End, during maintenance, elevator is parked in bottom, bolt of screwing on, and car is fixed on pit, and threaded bolt contacts ground makes toeguard be defeated
Contracting, it is to avoid bending edges contact ground stress.
As the improvement in structure, also include the safety open being arranged on toeguard side and being series in elevator safety loop
Closing, described safety switch includes being individually fixed in inner panel, first contact switch of lower outside plate the same side, the second contact switch.
Safety switch Guan Bi under normality, the first contact switch, the second contact switch contact, safety return circuit turns on.When toeguard compresses,
Separately, safety return circuit disconnects, elevator stop motion for first contact switch and the second contact switch.This safety switch may determine that electricity
Whether, when ladder leaves bottom, whether toeguard returns to normal, the most also can come off by outside plate under alarm simultaneously.
It addition, we additionally provide a kind of pit being applicable to described telescopic toeguard, it is provided with in described pit and pacifies
The limit switch that full switch is in parallel, also include with limit switch with the use of and be located at cage bottom hit bow.Hit bow contact pole
Limit switch, limit switch turns on, and elevator continues to run with, and limit switch is off before this.Owing to toeguard is the end of at
When hole starts to compress, safety switch disconnects, thus safety return circuit disconnects, and elevator stops, but, now elevator should normally be transported
OK, be therefore provided with the limit switch in parallel with safety switch, before toeguard compression and after reply in a period of time two open
Closing the most in the conduction state, in toeguard compression process, limit switch turns on, and safety switch disconnects, and safety return circuit is still led
Logical, elevator continues to run with.This limit switch needs to ensure Guan Bi conducting before toeguard compresses, at the first contact switch and second
Contact switch separates and starts until before elevator stopping, limit switch is in closure state, and additionally limit switch is in toeguard effect
It is off during other stops.The setting of limit switch can not only ensure toeguard compression after continue to run with, it is ensured that
The normal effect of other stop toeguards.Depending on the setting height(from bottom) of limit switch has practical situation.
Beneficial effects of the present invention: this telescopic toeguard that the present invention provides, reduces the requirement to pit height,
Solve owing to toeguard length causes maintainer or occupant to fall the problem of hoistway not simultaneously, improve maintenance and take advantage of load
Safety, it is ensured that enough safe distances, it is to avoid clash into pit toeguard is caused damage, easy for installation, reduce into
This.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the side view of the present invention.
Description of reference numerals: 1, upper inner panel；2, lower outside plate；3, the first fixture；4, the second fixture；5, slide rail；6, spiral shell
Bar；7, compression spring；8, connector；9, safety switch；10, chute；11, bending bolt retainer；12, car bottom girder.
Detailed description of the invention
Below in conjunction with the accompanying drawings and detailed description of the invention, it is further elucidated with the present invention.
Embodiment 1:
The telescopic toeguard of one as illustrated in fig. 1 and 2, described toeguard is arranged on cage bottom, including upper inner panel 1 and lower outside
Plate 2, is connected by slide rail 5 between described upper inner panel 1 and lower outside plate 2, and car bottom girder 12, lower outside plate 2 are fixed in upper inner panel 1 top
Move up and down along slide rail 5；Also including screw rod 6, be fixed on lower outside plate 2 bottom described screw rod 6, screw rod 6 top movable is located at
On upper inner panel 1.
The toeguard that the present embodiment provides is stretching structure, is respectively equipped with slide rail 5 in upper inner panel 1 two side, lower outside plate 2 with
Upper inner panel 1 is connected by slide rail 5, and the sliding stroke of slide rail 5 is more than the compression travel of toeguard so that can be certainly in pit region
Dynamic regulation vertical height, reduces the requirement to pit height, ensure that maintenance and the safety of carrying simultaneously.It addition, this
Being additionally provided with screw rod in bright, fixing bottom described screw rod, top freely extends, and is used in combination with slide rail, plays bi-directional compression and leads
To effect, it is ensured that elevator stable operation, reduce the impulsive force to slide rail in car dropping process, extend slide rail service life.
In order to ensure that upper inner panel 1 and lower outside plate 2 slide smoothly and install, leave between 5mm between upper inner panel 1 and lower outside plate 2
Gap.
The present embodiment provide this telescopic toeguard, reduce the requirement to pit height, solve simultaneously due to
Toeguard length causes maintainer or occupant to fall the problem of hoistway not, improves maintenance and takes advantage of the safety of load, it is ensured that
Enough safe distances, it is to avoid clash into pit and toeguard caused damage, easy for installation, reduce cost.
Embodiment 2:
On the basis of embodiment 1, described lower outside plate 2 is horizontally set with the first fixture 3, solid through first bottom described screw rod 6
Locking member 3 and being fixed on the first fixture 3 by upper and lower nut；The second fixture 4, described spiral shell it has been horizontally set with on described upper inner panel 1
Bar 6 top through the second fixture 4 and is movably arranged on the second fixture 4 by top nut.Owing to screw rod 6 is only fixed second
Part 4 is arranged over nut, so screw rod 6 can freely upwardly extend, plays guide effect, and simple in construction is easy to operate.First
Fixture the 3, second fixture 4 is respectively arranged on lower outside plate 2, the bottom of upper inner panel 1, adjusts reduced size within the specific limits, can
To realize the compression completely of toeguard.
Cannot be up in order to avoid toeguard is stuck, described screw rod 6 is arranged with compression spring 7, compression spring carries
Leave the restoring force after pit for toeguard, there is reset response.
For the ease of regulating the sedan-chair foot of cage bottom, described upper inner panel is vertically additionally provided with two connections being parallel to each other
Part, connector is vertical with the second fixture, offers chute in connector.
Embodiment 3:
On the basis of embodiment 1 or 2, bottom described lower outside plate 2, it is provided with bending bolt retainer 11.Fix bottom lower outside plate 2
Connect have bending edges, bending edges to weld with bending bolt retainer 11, bending bolt retainer 11 has two, be respectively arranged on lower outside
Two ends bottom plate 2, during maintenance, elevator is parked in bottom, bolt of screwing on, and car is fixed on pit, and threaded bolt contacts ground makes spats
Plate forced compression, it is to avoid bending edges contact ground stress.
Embodiment 4:
During for the ease of judging that elevator leaves bottom, whether toeguard returns to normal, and under alarm, whether outside plate 2 comes off simultaneously, also
Including being arranged on toeguard side and the safety switch 9 being series in elevator safety loop, described safety switch 9 includes solid respectively
Due to upper inner panel 1, first contact switch of lower outside plate 2 the same side, the second contact switch.Safety switch Guan Bi under normality, first
Contact switch, the second contact switch contact, safety return circuit turns on.When toeguard compresses, the first contact switch and the second contact
Separately, safety return circuit disconnects switch, elevator stop motion.
Embodiment 5:
On the basis of embodiment 4, we additionally provide a kind of pit being applicable to described telescopic toeguard, in described pit
Be provided with the limit switch in parallel with safety switch 9, also include with limit switch with the use of and be located at cage bottom hit bow.Hit
Bow contact limit switch, limit switch turns on, and elevator continues to run with, and limit switch is off before this.Owing to protecting
Sole is when pit starts to compress, and safety switch 9 disconnects, thus safety return circuit disconnects, and elevator stops, but, now elevator should
This is properly functioning, is therefore provided with the limit switch in parallel with safety switch 9, a period of time before toeguard compresses and after reply
Interior two switches are the most in the conduction state, and in toeguard compression process, limit switch turns on, and safety switch disconnects, and safety is returned
Road still conducting, elevator continues to run with.This limit switch needs to ensure Guan Bi conducting before toeguard compresses, and opens in the first contact
Close and separate beginning with the second contact switch until before elevator stopping, limit switch is in closure state, and additionally limit switch is protecting
It is off during other stops of sole effect.The setting of limit switch can not only ensure the continuation fortune after toeguard compression
OK, it is ensured that the normal effect of other stop toeguards.Depending on the setting height(from bottom) of limit switch has practical situation.
Exemplified as above is only the illustration to the present invention, is not intended that the restriction to protection scope of the present invention, all
It is within design same or analogous with the present invention belongs to protection scope of the present invention.
Claims (7)
1. a telescopic toeguard, described toeguard is arranged on cage bottom, it is characterised in that: include inner panel and lower outside
Plate, is connected by slide rail between described upper inner panel with lower outside plate, and car bottom girder is fixed at upper inner panel top, and lower outside plate is along slide rail
Move up and down；Also including screw rod, be fixed on lower outside plate bottom described screw rod, screw rod top movable is located on inner panel.
A kind of telescopic toeguard the most as claimed in claim 1, it is characterised in that: it is horizontally set with first on described lower outside plate and has fixed
Part, through the first fixture and is fixed on the first fixture by upper and lower nut bottom described screw rod；Horizontal stroke on described upper inner panel
Being provided with the second fixture, described screw rod top through the second fixture and is movably arranged on the second fixture by top nut.
A kind of telescopic toeguard the most as claimed in claim 2, it is characterised in that: it is arranged with compression spring on described screw rod.
A kind of telescopic toeguard the most as claimed in claim 2, it is characterised in that: vertically it is additionally provided with two on described upper inner panel
The connector being parallel to each other, connector is vertical with the second fixture, offers chute in connector.
5. the telescopic toeguard of one as described in claim 1 or 3, it is characterised in that: it is provided with bending bottom described lower outside plate
Bolt retainer.
A kind of telescopic toeguard the most as claimed in claim 5, it is characterised in that: also include being arranged on toeguard side and string
The safety switch being coupled in elevator safety loop, described safety switch includes being individually fixed in inner panel, lower outside plate the same side
First contact switch, the second contact switch.
7. one kind is applicable to the pit of telescopic toeguard described in claim 6, it is characterised in that: it is provided with in described pit and pacifies
The limit switch that full switch is in parallel, also include with limit switch with the use of and be located at cage bottom hit bow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610674713.5A CN106081804B (en) | 2016-08-17 | 2016-08-17 | A kind of telescopic toeguard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610674713.5A CN106081804B (en) | 2016-08-17 | 2016-08-17 | A kind of telescopic toeguard |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106081804A true CN106081804A (en) | 2016-11-09 |
| CN106081804B CN106081804B (en) | 2018-11-27 |
Family
ID=58069611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610674713.5A Active CN106081804B (en) | 2016-08-17 | 2016-08-17 | A kind of telescopic toeguard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106081804B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106584408A (en) * | 2016-12-30 | 2017-04-26 | 廖忠民 | Stepless distance adjusting maintenance working table of lifting device |
| CN110498325A (en) * | 2019-08-23 | 2019-11-26 | 三洋电梯(珠海)有限公司 | A kind of flexible toeguard |
| CN110817668A (en) * | 2018-08-10 | 2020-02-21 | 奥的斯电梯公司 | Apron board of elevator car |
| CN111196544A (en) * | 2018-11-20 | 2020-05-26 | 株式会社铃木综合开发研究所 | Scalable toeguard of elevator car |
| CN111204647A (en) * | 2018-11-22 | 2020-05-29 | 奥的斯电梯公司 | Apron board of elevator car |
| CN112723081A (en) * | 2020-12-24 | 2021-04-30 | 刘建宏 | Elevator mouth guard flap convenient to assemble |
| US11161716B2 (en) | 2018-02-23 | 2021-11-02 | Otis Elevator Company | Elevator car toe guard system |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2820794Y (en) * | 2005-08-31 | 2006-09-27 | 湖南海诺电梯有限公司 | Electric foot protecting plate device for vertical lift carriage |
| CN101066735A (en) * | 2007-05-09 | 2007-11-07 | 西子奥的斯电梯有限公司 | Foot protecting plate for telescopic cage |
| CN201058781Y (en) * | 2007-06-01 | 2008-05-14 | 蒂森电梯有限公司 | Elevator shallow pit safety apparatus |
| CN201512341U (en) * | 2009-09-25 | 2010-06-23 | 福州快科电梯工业有限公司 | Foldable toe guard of elevator car |
| CN102120542A (en) * | 2010-12-30 | 2011-07-13 | 沈阳博林特电梯股份有限公司 | Telescopic foot protection plate |
| CN202201594U (en) * | 2011-08-29 | 2012-04-25 | 苏州台菱电梯有限公司 | Slider-type automatic telescoping toe guard |
| CN202414934U (en) * | 2012-01-11 | 2012-09-05 | 江苏斯特郎电梯有限公司 | Telescopic sliding chute toe guard |
| CN104326320A (en) * | 2014-10-29 | 2015-02-04 | 康力电梯股份有限公司 | Telescopic lift car toe guard |
| CN204251156U (en) * | 2014-11-17 | 2015-04-08 | 广东富本电梯有限公司 | A kind of household elevator car foot protecting plate device |
| CN204280981U (en) * | 2014-11-10 | 2015-04-22 | 上海德圣米高电梯有限公司 | Electric expansion toeguard |
| CN205932848U (en) * | 2016-08-17 | 2017-02-08 | 通用电梯股份有限公司 | Telescopic toeguard |
-
2016
- 2016-08-17 CN CN201610674713.5A patent/CN106081804B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2820794Y (en) * | 2005-08-31 | 2006-09-27 | 湖南海诺电梯有限公司 | Electric foot protecting plate device for vertical lift carriage |
| CN101066735A (en) * | 2007-05-09 | 2007-11-07 | 西子奥的斯电梯有限公司 | Foot protecting plate for telescopic cage |
| CN201058781Y (en) * | 2007-06-01 | 2008-05-14 | 蒂森电梯有限公司 | Elevator shallow pit safety apparatus |
| CN201512341U (en) * | 2009-09-25 | 2010-06-23 | 福州快科电梯工业有限公司 | Foldable toe guard of elevator car |
| CN102120542A (en) * | 2010-12-30 | 2011-07-13 | 沈阳博林特电梯股份有限公司 | Telescopic foot protection plate |
| CN202201594U (en) * | 2011-08-29 | 2012-04-25 | 苏州台菱电梯有限公司 | Slider-type automatic telescoping toe guard |
| CN202414934U (en) * | 2012-01-11 | 2012-09-05 | 江苏斯特郎电梯有限公司 | Telescopic sliding chute toe guard |
| CN104326320A (en) * | 2014-10-29 | 2015-02-04 | 康力电梯股份有限公司 | Telescopic lift car toe guard |
| CN204280981U (en) * | 2014-11-10 | 2015-04-22 | 上海德圣米高电梯有限公司 | Electric expansion toeguard |
| CN204251156U (en) * | 2014-11-17 | 2015-04-08 | 广东富本电梯有限公司 | A kind of household elevator car foot protecting plate device |
| CN205932848U (en) * | 2016-08-17 | 2017-02-08 | 通用电梯股份有限公司 | Telescopic toeguard |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106584408A (en) * | 2016-12-30 | 2017-04-26 | 廖忠民 | Stepless distance adjusting maintenance working table of lifting device |
| US11161716B2 (en) | 2018-02-23 | 2021-11-02 | Otis Elevator Company | Elevator car toe guard system |
| CN110817668A (en) * | 2018-08-10 | 2020-02-21 | 奥的斯电梯公司 | Apron board of elevator car |
| US11267679B2 (en) | 2018-08-10 | 2022-03-08 | Otis Elevator Company | Elevator car apron |
| CN111196544A (en) * | 2018-11-20 | 2020-05-26 | 株式会社铃木综合开发研究所 | Scalable toeguard of elevator car |
| CN111196544B (en) * | 2018-11-20 | 2023-04-11 | 株式会社铃木综合开发研究所 | Scalable toeguard of elevator car |
| CN111204647A (en) * | 2018-11-22 | 2020-05-29 | 奥的斯电梯公司 | Apron board of elevator car |
| CN110498325A (en) * | 2019-08-23 | 2019-11-26 | 三洋电梯(珠海)有限公司 | A kind of flexible toeguard |
| CN112723081A (en) * | 2020-12-24 | 2021-04-30 | 刘建宏 | Elevator mouth guard flap convenient to assemble |
| CN112723081B (en) * | 2020-12-24 | 2022-04-12 | 刘建宏 | Elevator mouth guard flap convenient to assemble |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106081804B (en) | 2018-11-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106081804A (en) | A kind of telescopic toeguard | |
| CN205932848U (en) | Telescopic toeguard | |
| CN204938625U (en) | Used during elevator falling fender guard | |
| CN108373093B (en) | Foot guard device with adjustable height | |
| CN108675074B (en) | Perpendicular elevator protector and perpendicular elevator that security is strong | |
| CN201801265U (en) | Energy consumption type buffer for elevator | |
| CN103569918A (en) | Automatic-detection and falling-protection safety device | |
| CN110240031A (en) | A kind of car machinery prevention device | |
| CN205419386U (en) | Can prevent unexpected elevator that rises or descend of car | |
| CN102897617A (en) | Telescopic guardrail for mounting | |
| LU503482B1 (en) | Retractable toe guard | |
| CN208429714U (en) | A kind of telescopic car top protective fence containing safe electric switch | |
| CN210340032U (en) | Elevator layer door pit unlocking mechanism | |
| CN209259431U (en) | A kind of falling guard elevator | |
| KR102050864B1 (en) | Device For Preventing Breakaway of retractable door-lift vertically for elevator | |
| CN216711290U (en) | A pit water level automated inspection and drainage device for elevartor shaft | |
| CN213265195U (en) | Elevator descending preventing device | |
| CN203382338U (en) | Elevator car roof guard railing | |
| CN2103540U (en) | Device for prevent falling of elevator | |
| CN219408739U (en) | Pit overhauls safety device that prevents | |
| CN109555043A (en) | A kind of Park Lane lock control system | |
| CN112794177A (en) | Anti-falling net device below elevator car door | |
| CN113830638A (en) | A pit water level automated inspection and drainage device for elevartor shaft | |
| CN211228255U (en) | Self-locking type pedestrian barrier gate human body electrostatic discharge alarm | |
| CN218117454U (en) | Double stroke lift railing of follow-up |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |