CN112707266B - Safe elevator that can prevent falling - Google Patents

Safe elevator that can prevent falling Download PDF

Info

Publication number
CN112707266B
CN112707266B CN202011528956.0A CN202011528956A CN112707266B CN 112707266 B CN112707266 B CN 112707266B CN 202011528956 A CN202011528956 A CN 202011528956A CN 112707266 B CN112707266 B CN 112707266B
Authority
CN
China
Prior art keywords
placing column
elevator
car
movable rod
spring
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.)
Active
Application number
CN202011528956.0A
Other languages
Chinese (zh)
Other versions
CN112707266A (en
Inventor
何比干
杨进
罗俊华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Homefriend and Fuji Elevator Co Ltd
Original Assignee
Homefriend and Fuji Elevator Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Homefriend and Fuji Elevator Co Ltd filed Critical Homefriend and Fuji Elevator Co Ltd
Priority to CN202011528956.0A priority Critical patent/CN112707266B/en
Publication of CN112707266A publication Critical patent/CN112707266A/en
Application granted granted Critical
Publication of CN112707266B publication Critical patent/CN112707266B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/16Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
    • B66B5/26Positively-acting devices, e.g. latches, knives

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)
  • Supports Or Holders For Household Use (AREA)

Abstract

The invention discloses a safe anti-falling elevator, and relates to the field of elevators. The elevator car comprises a channel wall and a car, wherein a strip-shaped groove is formed in the surface, close to the car, of one side of the channel wall, a limiting rack is formed on the inner wall of the strip-shaped groove, a placing column is arranged at the bottom of the car, two stand columns are fixedly mounted at the top of the placing column, the placing column is fixedly connected with the car through the stand columns, a trigger mechanism is arranged in the center of the bottom of the placing column, locking assemblies are arranged on two sides of the top of the placing column, a circular hole is formed in the upper surface of the placing column, and the circular hole is located between the trigger mechanism and the locking assemblies; trigger mechanism includes arc and fly leaf, and the arc is umbelliform structure and is located the top of placing the post, and the bottom fixed mounting of arc has the movable rod of vertical setting, and the movable rod cup joints and runs through with placing the post activity and place the post. The elevator car locking device is provided with the trigger mechanism and the locking assembly, the locking block moves towards the limiting rack, and the clamping head is clamped into the limiting rack, so that the elevator car is prevented from falling.

Description

Safe elevator that can prevent falling
Technical Field
The invention belongs to the technical field of elevators, and particularly relates to a safe anti-falling elevator.
Background
An elevator is a vertical elevator powered by a motor, and is equipped with a box-shaped nacelle for riding people or carrying goods in a multi-story building, and the elevator car is generally lifted by a driving mechanism and traction power of a traction wire rope.
For safety, the elevator generally can assemble anti-falling device, and the elevator controlling means that falls now mostly adopts spacing lock to prevent falling, because the elevator is long-time operation, and the wearing and tearing space is big between lifting rope and the spacing lock, causes the elevator to prevent falling the function decline, and the security can't be ensured, can not satisfy the demand of using.
In order to solve the problems, the invention provides a safe anti-falling elevator.
Disclosure of Invention
The invention aims to provide a safe anti-falling elevator, which solves the problems that the anti-falling function of the elevator is reduced and the safety cannot be guaranteed because the existing elevators run for a long time and the abrasion gap between a lifting rope and a limiting lock is large.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a safe anti-falling elevator which comprises a channel wall and a car, wherein a strip-shaped groove is formed in one side surface of the channel wall, a limiting rack is formed in the inner wall of the strip-shaped groove, a placing column is arranged at the bottom of the car, two upright columns are fixedly installed at the top of the placing column, the placing column is fixedly connected with the car through the upright columns, a trigger mechanism is arranged at the center of the bottom of the placing column, locking assemblies are arranged on two sides of the top of the placing column, a round hole is formed in the upper surface of the placing column, and the round hole is located between the trigger mechanism and the locking assemblies;
the trigger mechanism comprises an arc-shaped plate and a movable plate, the arc-shaped plate is of an umbrella-shaped structure and is positioned at the top of the placing column, a vertically arranged movable rod is fixedly installed at the bottom of the arc-shaped plate, the movable rod is movably sleeved with the placing column and penetrates through the placing column, the movable plate is fixedly installed at the bottom of the movable rod, a first spring is movably sleeved on the peripheral side of the movable rod, the first spring is positioned between the movable plate and the placing column, and trigger rods matched with the round holes are fixedly installed on two sides of the top of the movable plate;
locking component is including fixed cover and latch segment, the latch segment activity cup joints the one side at fixed cover, the top fixed mounting of fixed cover has the sleeve, the second spring has been cup jointed in telescopic inside activity, the extrusion piece that the top fixed mounting of latch segment set up the level, the extrusion piece activity cup joints inside the sleeve, a lateral surface shaping that trigger mechanism was kept away from to the latch segment has a plurality of dops with spacing rack looks adaptation, and opposite side fixed surface installs first couple, the top of first couple is provided with the second couple, the one end and the slot activity of second couple are pegged graft, and other end activity is pegged graft in the inside of round hole.
Preferably, two sets of locking Assembly is the symmetric distribution about trigger mechanism, can carry on spacingly to the both sides of car when the car tenesmus.
Preferably, the upper surface of the teeth of the limiting rack and the lower surface of the clamping head are horizontally arranged, and the clamping head is clamped into the limiting rack to prevent the car from falling.
Preferably, the one end of first spring with place the post and offset, the other end offsets with the fly leaf, and when the car normally goes up and down, because the hindrance of first spring, the arc makes the movable rod rock slightly from top to bottom with the interact intelligence of air current.
Preferably, the top of the locking block is fixedly provided with a vertically arranged supporting block, and the extrusion block is welded on one side of the supporting block.
Preferably, the side surface of the movable rod is provided with a limiting block, the limiting block is positioned at the top of the placing column, the movable rod can be limited by the limiting block, and the first spring can be in a slightly compressed state.
Preferably, place the center department of post upper surface and inlay and be equipped with the sleeve pipe that runs through and place the post, the activity of movable rod cup joints inside the sleeve pipe, and the setting of sleeve pipe makes the movable rod more stable firm when sliding.
Preferably, the bottom surface of the limiting block is abutted to the placing column.
Preferably, one end of the second spring abuts against the extrusion block, the other end of the second spring abuts against the sleeve, the second spring is in a compression state, the second hook is separated from the first hook, the second spring in a contraction state pushes the extrusion block to enable the locking block to move towards the limiting rack, and the clamping head is clamped into the limiting rack.
Preferably, a groove is formed between the first hook and the locking block, and the second hook is movably inserted into the groove.
The invention has the following beneficial effects:
1. when the lift car falls rapidly, strong airflow impacts the bottom of the arc-shaped plate, the arc-shaped plate moves upwards and drives the movable plate to overcome the elastic force of the first spring, the trigger rod is inserted into the round hole and jacks up the second hook, the second hook is separated from the first hook, and the second spring in a contraction state pushes the extrusion block to enable the locking block to move towards the limiting rack and enable the chuck to be clamped into the limiting rack, so that the lift car is prevented from falling.
2. The locking block is kept away from one side surface shaping of trigger mechanism has a plurality of dops with spacing rack looks adaptation, and the equal level setting of tooth upper surface of spacing rack and the lower surface of dop is gone into behind the spacing rack stable firm while difficult to break away from spacing rack to the dop card.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a placement post of the present invention;
FIG. 3 is a schematic view of the connection structure of the trigger mechanism and the locking assembly of the present invention;
FIG. 4 is a schematic view of the construction of the first and second hooks of the present invention;
fig. 5 is a schematic view of the connection structure of the sleeve and the extrusion block of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below: 1. a channel wall; 11. a strip-shaped groove; 12. a limit rack; 2. a car; 3. a column; 4. placing the column; 41. a circular hole; 5. a trigger mechanism; 51. an arc-shaped plate; 511. a movable rod; 512. a limiting block; 513. a first spring; 52. a movable plate; 521. a trigger lever; 6. a locking assembly; 61. fixing a sleeve; 611. a sleeve; 612. a second spring; 62. a locking block; 621. a support block; 622. extruding the block; 623. a first hook; 624. a trench; 625. a second hook; 626. and (4) clamping the head.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "middle", "outer", "inner", and the like, indicate orientations or positional relationships, are used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-5, the invention relates to a safe anti-falling elevator, which comprises a passage wall 1 and a car 2, wherein a strip-shaped groove 11 is formed in one side surface of the passage wall 1, a limiting rack 12 is formed on the inner wall of the strip-shaped groove 11, a placing column 4 is arranged at the bottom of the car 2, two upright posts 3 are fixedly installed at the top of the placing column 4, the placing column 4 is fixedly connected with the car 2 through the upright posts 3, a trigger mechanism 5 is arranged at the center of the bottom of the placing column 4, locking assemblies 6 are arranged on two sides of the top of the placing column 4, a round hole 41 is formed in the upper surface of the placing column 4, and the round hole 41 is positioned between the trigger mechanism 5 and the locking assemblies 6;
the trigger mechanism 5 comprises an arc-shaped plate 51 and a movable plate 52, the arc-shaped plate 51 is of an umbrella-shaped structure and is positioned at the top of the placing column 4, a vertically arranged movable rod 511 is fixedly installed at the bottom of the arc-shaped plate 51, the movable rod 511 is movably sleeved with the placing column 4 and penetrates through the placing column 4, the movable plate 52 is fixedly installed at the bottom of the movable rod 511, a first spring 513 is movably sleeved on the peripheral side of the movable rod 511, the first spring 513 is positioned between the movable plate 52 and the placing column 4, and trigger rods 521 matched with the circular holes 41 are fixedly installed on two sides of the top of the movable plate 52;
locking assembly 6 includes fixed cover 61 and latch segment 62, latch segment 62 activity cup joints the one side at fixed cover 61, the top fixed mounting of fixed cover 61 has sleeve 611, second spring 612 has been cup jointed in the inside activity of sleeve 611, the top fixed mounting of latch segment 62 has the extrusion piece 622 of level setting, extrusion piece 622 activity cup joints inside sleeve 611, latch segment 62 keeps away from one side surface shaping of trigger mechanism 5 has a plurality of dops 626 with spacing rack 12 looks adaptation, another side surface fixed mounting has first couple 623, the top of first couple 623 is provided with second couple 625, the one end and the slot 624 activity of second couple 625 are pegged graft, the other end activity is pegged graft in the inside of round hole 41.
Wherein, two sets of locking Assembly 6 are the symmetric distribution about trigger mechanism 5, can carry on spacingly to the both sides of car 2 when car 2 tenesmus.
Wherein, the tooth upper surface of spacing rack 12 and the lower surface of dop 626 all set up horizontally, and dop 626 is blocked in spacing rack 12, can prevent the car 2 tenesmus.
Wherein, the one end of first spring 513 offsets with placing post 4, and the other end offsets with fly leaf 52, and when car 2 normally goes up and down, because the hindrance of first spring 513, the intelligent messenger's movable rod 511 of the interact of arc 51 and air current rocks slightly from top to bottom.
Wherein, the top of the locking block 62 is fixedly provided with a supporting block 621 which is vertically arranged, and the extrusion block 622 is welded on one side of the supporting block 621.
Wherein, the side shaping of week of movable rod 511 has stopper 512, and stopper 512 is located the top of placing post 4, and stopper 512 can carry on spacingly to movable rod 511, has guaranteed that first spring 513 can be in the state of slight compression.
Wherein, place the center department of post 4 upper surface and inlay and be equipped with the sleeve pipe that runs through to place post 4, the activity of movable rod 511 cup joints inside the sleeve pipe, and the setting of sheathed tube makes movable rod 511 more stable firm when sliding.
Wherein, the bottom surface of the limiting block 512 is abutted against the placing column 4.
One end of the second spring 612 abuts against the extrusion block 622, the other end abuts against the sleeve 611, the second spring 612 is in a compressed state, the second hook 625 is separated from the first hook 623, and the second spring 612 in a contracted state pushes the extrusion block 622, so that the locking block 62 moves towards the limiting rack 12, and the clamp head 626 is clamped in the limiting rack 12.
Wherein, a groove 624 is formed between the first hook 623 and the locking block 62, and the second hook 625 is movably inserted into the groove 624.
As shown in fig. 1-5, this embodiment is a method for using a safety anti-falling elevator: when the car 2 falls rapidly, a strong airflow impacts the bottom of the arc-shaped plate 51, the arc-shaped plate 51 moves upwards and drives the movable plate 52 to overcome the elastic force of the first spring 513, so that the trigger rod 521 is inserted into the circular hole 41 and jacks up the second hook 625, the second hook 625 is separated from the first hook 623, the second spring 612 in a contracted state pushes the extrusion block 622, the locking block 62 moves towards the limiting rack 12, and the clamp head 626 is clamped into the limiting rack 12, so that the car 2 is prevented from falling.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (10)

1. The safe anti-falling elevator comprises a channel wall (1) and a car (2), and is characterized in that a strip-shaped groove (11) is formed in one side surface of the channel wall (1), a limiting rack (12) is formed in the inner wall of the strip-shaped groove (11), a placing column (4) is arranged at the bottom of the car (2), two stand columns (3) are fixedly mounted at the top of the placing column (4), the placing column (4) is fixedly connected with the car (2) through the stand columns (3), a trigger mechanism (5) is arranged in the center of the bottom of the placing column (4), locking assemblies (6) are arranged on two sides of the top of the placing column (4), a round hole (41) is formed in the upper surface of the placing column (4), and the round hole (41) is located between the trigger mechanism (5) and the locking assemblies (6);
the trigger mechanism (5) comprises an arc-shaped plate (51) and a movable plate (52), the arc-shaped plate (51) is of an umbrella-shaped structure and is located at the top of the placing column (4), a vertically-arranged movable rod (511) is fixedly installed at the bottom of the arc-shaped plate (51), the movable rod (511) is movably sleeved with the placing column (4) and penetrates through the placing column (4), the movable plate (52) is fixedly installed at the bottom of the movable rod (511), a first spring (513) is movably sleeved on the peripheral side of the movable rod (511), the first spring (513) is located between the movable plate (52) and the placing column (4), and trigger rods (521) matched with the round holes (41) are fixedly installed on two sides of the top of the movable plate (52);
locking component (6) is including fixed cover (61) and latch segment (62), latch segment (62) activity cup joints the one side at fixed cover (61), the top fixed mounting of fixed cover (61) has sleeve (611), the inside activity of sleeve (611) has cup jointed second spring (612), the top fixed mounting of latch segment (62) has extrusion piece (622) of level setting, extrusion piece (622) activity cup joints inside sleeve (611), one side surface shaping that trigger mechanism (5) was kept away from in latch segment (62) has a plurality of dops (626) with spacing rack (12) looks adaptation, and another side surface fixed mounting has first couple (623), the top of first couple (623) is provided with second couple (625), is formed with slot (624) between first couple (623) and latch segment (62), the one end of second couple (625) is pegged graft with slot (624) activity, the other end is movably inserted in the round hole (41).
2. A safety fall arrest elevator as claimed in claim 1, characterized in that the two sets of locking assemblies (6) are symmetrically distributed about the triggering mechanism (5).
3. The elevator as claimed in claim 1, wherein the upper surface of the teeth of the limit rack (12) and the lower surface of the clamp head (626) are horizontally disposed.
4. A safety fall arrest elevator as claimed in claim 1, characterized in that said first spring (513) has one end against the resting column (4) and the other end against the movable plate (52).
5. The elevator as claimed in claim 1, wherein the top of the locking block (62) is fixedly installed with a support block (621) vertically disposed, and the extrusion block (622) is welded to one side of the support block (621).
6. The elevator as claimed in claim 1, wherein the movable rod (511) is formed with a stopper (512) on its peripheral side, and the stopper (512) is located on the top of the placement pillar (4).
7. The elevator capable of preventing falling safely as claimed in claim 1, characterized in that the center of the upper surface of the placing column (4) is embedded with a sleeve penetrating the placing column (4), and the movable rod (511) is movably sleeved inside the sleeve.
8. A safety anti-fall elevator as claimed in claim 6, characterized in that the bottom surface of the stop block (512) is against the placing column (4).
9. A safety fall arrest elevator as claimed in claim 1, characterized in that the second spring (612) bears with one end against the squeeze block (622) and with the other end against the sleeve (611), and that the second spring (612) is in compression.
10. A safety anti-fall elevator as claimed in claim 1, characterized in that a groove (624) is formed between the first hook (623) and the locking block (62), and the second hook (625) is movably inserted into the groove (624).
CN202011528956.0A 2020-12-22 2020-12-22 Safe elevator that can prevent falling Active CN112707266B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011528956.0A CN112707266B (en) 2020-12-22 2020-12-22 Safe elevator that can prevent falling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011528956.0A CN112707266B (en) 2020-12-22 2020-12-22 Safe elevator that can prevent falling

Publications (2)

Publication Number Publication Date
CN112707266A CN112707266A (en) 2021-04-27
CN112707266B true CN112707266B (en) 2022-04-22

Family

ID=75545329

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011528956.0A Active CN112707266B (en) 2020-12-22 2020-12-22 Safe elevator that can prevent falling

Country Status (1)

Country Link
CN (1) CN112707266B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114105037A (en) * 2021-11-25 2022-03-01 长春光华学院 Electromechanical lifting system
CN114538246B (en) * 2022-04-27 2023-01-10 大汉科技股份有限公司 Tilting construction elevating gear
CN116499553B (en) * 2023-07-03 2023-11-17 山东方明药业集团股份有限公司 Explosion-proof ultrasonic liquid level meter

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206069143U (en) * 2016-06-26 2017-04-05 苏州中远电梯有限公司 A kind of bidirectional anti-falling dropping control device of elevator
CN207418083U (en) * 2017-09-13 2018-05-29 成都九十度工业产品设计有限公司 A kind of brake apparatus for the automatic delivery system trolley of building
CN108657898A (en) * 2017-02-05 2018-10-16 六安永贞匠道机电科技有限公司 Triggering inductor for elevator brake induction
CN111824894A (en) * 2020-08-11 2020-10-27 郑州团噢智能科技有限公司 Elevator safety system using gas flow velocity in elevator shaft as trigger condition
CN211812891U (en) * 2020-01-17 2020-10-30 淮北银丰铝业有限公司 Aluminum alloy anti-falling device for building
CN111977486A (en) * 2019-12-17 2020-11-24 杨道明 Elevator safety arrangement

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206069143U (en) * 2016-06-26 2017-04-05 苏州中远电梯有限公司 A kind of bidirectional anti-falling dropping control device of elevator
CN108657898A (en) * 2017-02-05 2018-10-16 六安永贞匠道机电科技有限公司 Triggering inductor for elevator brake induction
CN207418083U (en) * 2017-09-13 2018-05-29 成都九十度工业产品设计有限公司 A kind of brake apparatus for the automatic delivery system trolley of building
CN111977486A (en) * 2019-12-17 2020-11-24 杨道明 Elevator safety arrangement
CN211812891U (en) * 2020-01-17 2020-10-30 淮北银丰铝业有限公司 Aluminum alloy anti-falling device for building
CN111824894A (en) * 2020-08-11 2020-10-27 郑州团噢智能科技有限公司 Elevator safety system using gas flow velocity in elevator shaft as trigger condition

Also Published As

Publication number Publication date
CN112707266A (en) 2021-04-27

Similar Documents

Publication Publication Date Title
CN112707266B (en) Safe elevator that can prevent falling
CN112707267A (en) Falling-proof safety elevator
CN115405086B (en) Falling protector, climbing frame with falling protector and climbing frame control method
CN211775669U (en) Wall-attached support
CN211114760U (en) Attached supporting structure of lifting scaffold
CN114753656B (en) Discharging platform for building construction
KR102340628B1 (en) Safety equipments for lifter used in construction
CN113323370A (en) Hanging basket anti-falling device for building construction
CN211173015U (en) Attached lifting operation safety protection platform for building construction
CN202324583U (en) Shifting device for anti-dropping eccentric wheel of overall-lifting/dropping scaffold
CN112551295A (en) Elevator stopping device and elevator comprising same
CN2243495Y (en) Wholly lifting scaffold with safety device against falling-down
CN219948505U (en) Mobilizable device of taking advantage of
CN2292857Y (en) Anti-overturning and anti-falling integrally lifting scaffold
CN218664919U (en) Safe cage for expanding and digging diversion surge shaft
CN108996356B (en) High altitude lift broken chain safety arrangement for building
CN114592677B (en) Tool type scaffold anti-falling system
CN219451446U (en) Hanging basket with overweight alarm function
CN216785403U (en) Car frame structure of platform villa ladder
CN216868435U (en) Remote operation formula stage lamp hoist and mount subassembly
CN219412249U (en) Mechanical automatic anti-falling device
CN214006004U (en) Architectural structure design isolation bearing tensile device
CN212129856U (en) Strutting arrangement is used in building engineering construction
CN217106074U (en) Anti-falling tool type scaffold
CN202324578U (en) Anti-falling eccentric wheel structure of integral elevating scaffold

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: A safe and fall resistant elevator

Effective date of registration: 20230303

Granted publication date: 20220422

Pledgee: Bank of China Limited Foshan Gaoming Sub-branch

Pledgor: HOMEFRIEND & FUJI ELEVATOR Co.,Ltd.

Registration number: Y2023980034052

PE01 Entry into force of the registration of the contract for pledge of patent right