CN1955103A - Brake for towline of elevator - Google Patents

Brake for towline of elevator Download PDF

Info

Publication number
CN1955103A
CN1955103A CN 200510061286 CN200510061286A CN1955103A CN 1955103 A CN1955103 A CN 1955103A CN 200510061286 CN200510061286 CN 200510061286 CN 200510061286 A CN200510061286 A CN 200510061286A CN 1955103 A CN1955103 A CN 1955103A
Authority
CN
China
Prior art keywords
tie
arm
assembly
guide pillar
brake
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
Application number
CN 200510061286
Other languages
Chinese (zh)
Other versions
CN100542942C (en
Inventor
邹家春
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.)
Hangzhou Huning Elevator Parts Co Ltd
Original Assignee
Hangzhou Huning Elevator Parts 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 Hangzhou Huning Elevator Parts Co Ltd filed Critical Hangzhou Huning Elevator Parts Co Ltd
Priority to CNB2005100612865A priority Critical patent/CN100542942C/en
Publication of CN1955103A publication Critical patent/CN1955103A/en
Application granted granted Critical
Publication of CN100542942C publication Critical patent/CN100542942C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Braking Arrangements (AREA)

Abstract

A brake for the traction cable of elevator has a trigger mechanism, which is composed of an impact module, an electromagnetic module, a connecting string module, and a bearing module. The pull plate on bearing module is pressed by said impact module via impact spring. Said pull plate is connected with electromagnetic module and is moving toward one end under the action of electromagnetic module to implement impact. A restoring spring can restore the pull plate to original position.

Description

Brake for towline of elevator
Technical field
The invention belongs to the manufacturing field of elevator overspeed protecting device, particularly a kind of flip flop equipment of brake for towline of elevator.
Background technology
Brake for towline of elevator provides guarantee for the safe handling of elevator.China Patent No. provides a kind of brake for towline of elevator for 01274866.8, when ascending for elevator, descending hypervelocity, can carry out balancing brake by actv., implements overspeed protection.The trigger mechanism of this patent is made up of latch hook frame, latch hook and coaxial brake cable, the triggering of latch hook is a mechanical signal of taking from bidirectional speed limiter by coaxial brake cable, when lift car exceeds the speed limit, the velocity limiter action drives coaxial brake cable pulling latch hook, discharge slide shaft and drive the brake liner plate motion, and then the clamping hoist ropes, reach the purpose of braking elevator overspeed.Its delivery mode adopts trigger mechanism to directly act on the latch hook, and by the external force effect, latch hook is controlled, and reaches the purpose of opening latch hook and braking the elevator overspeed operation.But there is weak point in this trigger mechanism.Because external force is influenced by kinematic velocity, action direction etc., different factors all can cause the application force difference that acts on latch hook, and the safety control to latch hook exists uncertain like this.So need reduce uncertain factor in the elevator overspeed control to the improvement of trigger mechanism, to improve stability, the reliability of control.
Summary of the invention
The invention discloses a kind of brake for towline of elevator, its flip flop equipment is not subjected to the influence of external factors such as speed, action direction, controls latch hook effectively, reaches the purpose of stably controlling elevator safety operation.
Technical scheme of the present invention is as follows: brake for towline of elevator, comprise clamping device, trigger mechanism and latch hook, trigger mechanism constitutes by impacting assembly, brake cable assembly, reset assembly and bearing assembly, impact assembly and compress the arm-tie that is positioned on the bearing assembly by impact spring, the brake cable assembly is connected with arm-tie on the bearing assembly, brake cable is driven by external force and makes arm-tie realize impacting to end slip, and reset assembly is connected with arm-tie, and resets by retracing spring promotion arm-tie.
Described brake for towline of elevator impacts assembly and comprises draw ring, guide pillar, top screw, impact spring, spacer, and draw ring links to each other with guide pillar, and guide pillar stretches into impact spring, impact spring overcoat spacer, and by top screw retention spacer.
Described brake for towline of elevator, the brake cable assembly comprises brake cable bearing, brake cable, slider bar, stroke spring, brake cable fixed frame, fixed bearing, stroke guide pillar, brake cable places in the brake cable fixed frame, the brake cable fixed frame stretches into the stroke guide pillar, stroke guide pillar overcoat stroke spring, the stroke spring places in the slider bar, and slider bar can be slided on the fixed bearing of brake cable bearing.
Described brake for towline of elevator, reset assembly comprises retracing spring guide pillar, retracing spring, retracing spring spacer, adjusting pad, the retracing spring guide pillar is captiveed joint with arm-tie, the guide pillar that resets stretches into retracing spring, retracing spring overcoat retracing spring spacer, adjusting pad is sheathed on an end of retracing spring guide pillar.
Described brake for towline of elevator, bearing assembly comprise bearing, arm-tie, and the guide hole of arm-tie is the circular configuration that has open slot, and arm-tie places on the bearing.
A kind of brake for towline of elevator, comprise clamping device, trigger mechanism and latch hook, trigger mechanism constitutes by impacting assembly, electromagnet assembly, connector assembly and bearing assembly, impact assembly and compress the arm-tie that is positioned on the bearing assembly by impact spring, electromagnet assembly is connected with arm-tie, the electromagnet energising produces electromagnetic force makes arm-tie to an end motion, realizes impacting; After the electromagnet outage, retracing spring makes arm-tie move to reversing sense, realizes resetting.
Described brake for towline of elevator, electromagnet assembly comprises coil, retracing spring, the guide pillar that resets, bonnet, coil rack, shell, protecgulum, armature, electromagnet, the guide pillar that resets stretches into retracing spring, and insert in armature and the electromagnet, armature is captiveed joint with arm-tie, the outer sheathed coil rack of electromagnet, coil is encased by shell, and is sealed by protecgulum and bonnet.
Described brake for towline of elevator, connector assembly comprises wiring, electromagnet is communicated with external power supply by wiring.
Described brake for towline of elevator, the guide hole of arm-tie are two circular configurations that have open slot and link to each other.
The present invention is with the effect of less machinery or electromagnetic force, control the release of latch hook, make it not be subjected to the influence of external factor, overcome the uncertain factor in the static mechanical course of action, improve the stability of latch hook control, effectively elevator overspeed is braked, improved the safe reliability of elevator operation.
Description of drawings
Fig. 1 is the cutaway view of the invention process one.
Fig. 2 is the birds-eye view of enforcement one.
Fig. 3 is the cutaway view of the invention process two.
Fig. 4 is the birds-eye view of enforcement two.
Fig. 5 is the arm-tie birds-eye view of enforcement one.
Fig. 6 is the arm-tie birds-eye view of enforcement two.
The 1-draw ring, the 2-guide pillar, the 3-arm-tie, 4-brake cable bearing, the 5-brake cable, the 6-slider bar, 7-stroke spring, 8-brake cable fixed frame, 9-stroke guide pillar, the 10-fixed bearing, the 11-bearing, the 12-bearing assembly, the 13-adapter plate, the 14-latch hook, 15-comes directly towards screw, the 16-impact spring, the 17-spacer, 18-retracing spring guide pillar, the 19-retracing spring, 20-retracing spring spacer, the 21-adjusting pad, the 23-coil, the 24-electromagnet assembly, the 25-connector assembly, the 26-bonnet, the 27-coil rack, the 28-shell, the 29-protecgulum, 30-armature, 31-impacts assembly, 32-brake cable assembly, the 33-reset assembly, the 34-electromagnet, the 35-guide pillar that resets, the 36-bearing.
The specific embodiment
Embodiments of the present invention is further illustrated below in conjunction with accompanying drawing:
Embodiment one: as Fig. 1,2, shown in 5, the mechanical type trigger mechanism is by impacting assembly 31, brake cable assembly 32, reset assembly 33 and bearing assembly 12 constitute, impact assembly 31 and compress the arm-tie 3 that is positioned on the bearing assembly 12 by impact spring 16, brake cable assembly 32 is captiveed joint with the arm-tie 3 on the bearing assembly 12 by screw, brake cable 5 is driven by external force, pulling arm-tie 3 slides to an end, impact assembly 31 is lost support and down motion, and under the effect of impact spring 16, realize impacting, reset assembly 33 is captiveed joint with arm-tie 3, and resets by retracing spring 19 promotion arm-ties 3.
Impacting assembly 31 is made up of draw ring 1, guide pillar 2, spacer 8, impact spring 16, top screw 15, draw ring 1 is installed in rotation on an end of guide pillar 2, guide pillar 2 stretches into impact spring 16, and spacer 17 is enclosed within outside the impact spring 16, and makes spacer 8 fixing with guide pillar 2 by top screw 15.Draw ring 1 resets after being mainly used in impact, upwards spur draw ring 1, guide pillar 2 upward movements, compression shock spring 16, after compression spring arrives design runlength, brake cable assembly 32 makes arm-tie 3 move to midway location in the opposite direction, and unclamp draw ring 1 this moment, under the elastic force effect of impact spring 16 guide pillar 2 moved downward, when the step of guide pillar 2 contacts with the upper surface of arm-tie 3, guide pillar 2 is supported and stop motion by arm-tie 3, and at this moment, impact spring 16 is in compressive state.
Brake cable assembly 32 is made up of brake cable bearing 4, brake cable 5, slider bar 6, stroke spring 7, brake cable fixed frame 8, stroke guide pillar 9, fixed bearing 10, brake cable 5 is by on the screw retention stroke guide pillar 9, stroke spring 7 is sleeved on outside the stroke guide pillar 9, stroke spring 7 one ends are captiveed joint with an end of stroke guide pillar 9, and the other end is captiveed joint with slider bar 6.Slider bar 6 is captiveed joint with arm-tie 3, after stroke spring 7 is subjected to brake cable 5 pullings, and pulling slider bar 6, slider bar 6 drives arm-tie 3 motions, arm-tie 3 slides on the bearing 11 of bearing assembly 12, and makes guide pillar 2 lose support, and guide pillar 2 produces ballistic motion under the effect of impact spring 16.Stroke spring 7 is according to the requirement of different brake cable strokes, and the brake cable 5 that makes pulling can satisfy the requirement of different pulling stroke in certain stroke range.
Reset assembly 33 is made up of retracing spring guide pillar 18, retracing spring 19, retracing spring spacer 20, adjusting pad 21, spring guide pillar 18 by screw retention on arm-tie 3, retracing spring 19 is sleeved on outside the retracing spring guide pillar 18, retracing spring spacer 20 is sleeved on outside the retracing spring 19, adjusting pad 21 is enclosed within an end of retracing spring guide pillar 18, and compress by arm-tie 3 and brake cable assembly 32, can adjust the size of elastic force by adjusting pad 21.When brake cable 5 pullings, slider bar 6 motion stretching retracing springs 19 when external force disappears, spur draw ring 1 to certain height, and retracing spring 19 promotes arm-ties 3 and moves in the opposite direction, realizes resetting.
Bearing assembly 12 comprises bearing 11, and bearing 11 is fixed on the bearing 36 by axle, plays a part to support arm-tie 3, and arm-tie 3 can slide on bearing 11, and has reduced friction.The guide hole of arm-tie 3 is the structures that have the circular open groove, and it is supported and release action 2 of guide pillars, and when arm-tie 3 mediated, guide pillar 2 was supported, remains static; When arm-tie 3 when an end slides, guide pillar 2 loses support, slips in the circular guide holes of arm-tie 3, and under the effect of impact spring 16, makes guide pillar 2 produce ballistic motions, opens latch hook 14, realizes braking.
Adapter plate 13 is mainly used in adjusts the height that impacts assembly 31, thereby can obtain different impact force actions on latch hook 14.
Embodiment two: shown in Fig. 3,4,6, the electromagnetic type trigger mechanism constitutes by impacting assembly 31, electromagnet assembly 24, connector assembly 25 and bearing assembly 12, impact assembly 31 and compress the arm-tie 3 that is positioned on the bearing assembly 12 by impact spring, and support by arm-tie 3, the armature 30 of electromagnet assembly 24 is captiveed joint with arm-tie 3 by screw, and when electromagnet 34 produces electromagnetic force under "on" position, electromagnetic force makes arm-tie 3 to an end motion, open latch hook 14, realize impacting.
Impacting assembly 31 is made up of draw ring 1, guide pillar 2, spacer 17, impact spring 16, top screw 15, draw ring 1 is installed in rotation on an end of guide pillar 2, guide pillar 2 stretches into impact spring 16, and spacer 17 is sleeved on outside the impact spring 16, makes spacer 17 fixing with guide pillar 2 by top screw 15.The draw ring 1 main usefulness that resets after impact discharges that realizes, when pulling draw ring 1, guide pillar 2 upward movements, compression shock spring 16, after compression spring arrives design runlength, retracing spring 19 makes arm-tie 3 move to midway location in the opposite direction, and this moment is after draw ring 1 unclamps, under impact spring 16 effects, guide pillar 2 is moved downward, when the step of guide pillar 2 contacted with the upper surface of arm-tie 3, guide pillar 2 was supported and stop motion by arm-tie 3, and the impact spring 16 of this moment is in compressive state.
Electromagnet assembly 24 is made up of coil 23, retracing spring 19, the guide pillar 35 that resets, bonnet 26, coil rack 27, shell 28, protecgulum 29, armature 30, electromagnet 34, the guide pillar 35 that resets stretches in armature 30 and the retracing spring 19, and there is a termination to captive joint with armature 30, retracing spring 19 penetrates in the electromagnet 34, it has an end to captive joint with armature 30, and the other end is captiveed joint with bonnet 26; Electromagnet 34 outer sheathed coil racks 27, coil 23 is on coil rack 27, and bonnet 26 links together by shell 28 with protecgulum 29, and forms a support.Electromagnet 34 energisings produce magnetic force, and with armature 30 adhesives, armature 30 motion pulling arm-ties 3 slide to an end, and compression reseting spring 19 produces ballistic motion simultaneously, opens latch hook 14; When guide pillar 2 was upwards mentioned, the guide hole in the arm-tie 3 can pass through guide pillar 2, and retracing spring 19 promotes arm-tie 3 and moves in the opposite direction, thus the reset function after realizing discharging.
Connector assembly 25 is made up of wiring, and electromagnet is communicated with external power supply by wiring.
Bearing assembly 12 is made up of bearing 11, and bearing 11 is fixed on the bearing 36 by axle, plays a part to support arm-tie 3, and arm-tie 3 can slide thereon.The guide hole of arm-tie 3 is two circular configurations that have groove, and it supports and release action 2 of guide pillars.When arm-tie 3 mediated, guide pillar 2 was supported and remain static, when arm-tie 3 when an end slides, guide pillar 2 slips in the circular guide holes of arm-tie 3, loses the support to guide pillar 2, and under the effect of impact spring 16, make guide pillar 2 produce ballistic motion, open latch hook 14, brake.
When electric signal was imported, electromagnet produced electromagnetic force, and the magnetic field force induced effect of armature is to an end motion, and the motion of pulling arm-tie.Owing to have open slot between two circles of arm-tie, after guide pillar slips into the center of circle, lose support, and under the effect of impact spring, guide pillar is moved downward, produce impulsive force, this impulsive force just can be opened latch hook.
Also can adopt double electromagnet to realize Redundancy Design, when one of them electromagnet and circuit thereof broke down, another electromagnet was also in running order, had improved the reliability of control.

Claims (9)

1, brake for towline of elevator, comprise clamping device, trigger mechanism and latch hook, it is characterized in that: trigger mechanism constitutes by impacting assembly, brake cable assembly, reset assembly and bearing assembly, impact assembly and compress the arm-tie that is positioned on the bearing assembly by impact spring, the brake cable assembly is connected with arm-tie on the bearing assembly, brake cable is driven by external force and makes arm-tie realize impacting to end slip, and reset assembly is connected with arm-tie, and resets by retracing spring promotion arm-tie.
2, brake for towline of elevator according to claim 1, it is characterized in that: impact assembly and comprise draw ring, guide pillar, top screw, impact spring, spacer, draw ring links to each other with guide pillar, and guide pillar stretches into impact spring, impact spring overcoat spacer, and by top screw retention spacer.
3, brake for towline of elevator according to claim 1, it is characterized in that: the brake cable assembly comprises brake cable bearing, brake cable, slider bar, stroke spring, brake cable fixed frame, fixed bearing, stroke guide pillar, brake cable places in the brake cable fixed frame, the brake cable fixed frame stretches into the stroke guide pillar, stroke guide pillar overcoat stroke spring, the stroke spring places in the slider bar, and slider bar can be slided on the fixed bearing of brake cable bearing.
4, brake for towline of elevator according to claim 1, it is characterized in that: reset assembly comprises retracing spring guide pillar, retracing spring, retracing spring spacer, adjusting pad, the retracing spring guide pillar is captiveed joint with arm-tie, the guide pillar that resets stretches into retracing spring, retracing spring overcoat retracing spring spacer, adjusting pad is sheathed on retracing spring guide pillar one end.
5, brake for towline of elevator according to claim 1 is characterized in that: bearing assembly comprises bearing, arm-tie, and the guide hole of arm-tie is the circular configuration that has open slot, and arm-tie places on the bearing.
6, brake for towline of elevator, comprise clamping device, trigger mechanism and latch hook, it is characterized in that: trigger mechanism constitutes by impacting assembly, electromagnet assembly, connector assembly and bearing assembly, impact assembly and compress the arm-tie that is positioned on the bearing assembly by impact spring, electromagnet assembly is connected with arm-tie, the electromagnet energising produces electromagnetic force makes arm-tie to an end motion, realizes impacting; After the electromagnet outage, retracing spring makes arm-tie move to reversing sense, realizes resetting.
7, brake for towline of elevator according to claim 6, it is characterized in that: electromagnet assembly comprises coil, retracing spring, the guide pillar that resets, bonnet, coil rack, shell, protecgulum, armature, electromagnet, the guide pillar that resets stretches into retracing spring, and insert in armature and the electromagnet, armature is captiveed joint with arm-tie, the outer sheathed coil rack of electromagnet, coil is encased by shell, and is sealed by protecgulum and bonnet.
8, brake for towline of elevator according to claim 6, it is characterized in that: connector assembly comprises wiring, electromagnet is communicated with external power supply by wiring.
9, brake for towline of elevator according to claim 6 is characterized in that: the guide hole of arm-tie is two circular configurations that have open slot and link to each other.
CNB2005100612865A 2005-10-26 2005-10-26 Brake for towline of elevator Active CN100542942C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2005100612865A CN100542942C (en) 2005-10-26 2005-10-26 Brake for towline of elevator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2005100612865A CN100542942C (en) 2005-10-26 2005-10-26 Brake for towline of elevator

Publications (2)

Publication Number Publication Date
CN1955103A true CN1955103A (en) 2007-05-02
CN100542942C CN100542942C (en) 2009-09-23

Family

ID=38062704

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2005100612865A Active CN100542942C (en) 2005-10-26 2005-10-26 Brake for towline of elevator

Country Status (1)

Country Link
CN (1) CN100542942C (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101590987B (en) * 2009-06-29 2010-11-03 浙江西子富沃德电机有限公司 Electromagnetic folding brake for tractor
CN103086225A (en) * 2012-12-11 2013-05-08 杭州奥立达电梯有限公司 Anti-slip protection device for elevator
CN104326326A (en) * 2014-10-14 2015-02-04 杭州沪宁电梯配件有限公司 Automatic resetting steel wire rope brake
CN104444686A (en) * 2014-12-26 2015-03-25 上海乐天电梯部件有限公司 Electromagnet triggering mechanism for elevator and working method thereof
CN104528574A (en) * 2014-12-17 2015-04-22 杭州沪宁电梯配件有限公司 Power-losing trigger device
CN104555789A (en) * 2014-12-17 2015-04-29 杭州沪宁电梯配件有限公司 Steel wire rope brake
WO2016095536A1 (en) * 2014-12-17 2016-06-23 邹家春 Power-losing trigger device
CN107434198A (en) * 2016-09-30 2017-12-05 上海深邦电气有限公司 A kind of elevator wire rope rope brake

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11230456B2 (en) 2018-05-07 2022-01-25 G.A.L. Manufacturing Company, Llc Elevator emergency brake with shoes

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101590987B (en) * 2009-06-29 2010-11-03 浙江西子富沃德电机有限公司 Electromagnetic folding brake for tractor
CN103086225A (en) * 2012-12-11 2013-05-08 杭州奥立达电梯有限公司 Anti-slip protection device for elevator
CN104326326A (en) * 2014-10-14 2015-02-04 杭州沪宁电梯配件有限公司 Automatic resetting steel wire rope brake
CN104528574A (en) * 2014-12-17 2015-04-22 杭州沪宁电梯配件有限公司 Power-losing trigger device
CN104555789A (en) * 2014-12-17 2015-04-29 杭州沪宁电梯配件有限公司 Steel wire rope brake
WO2016095536A1 (en) * 2014-12-17 2016-06-23 邹家春 Power-losing trigger device
CN104528574B (en) * 2014-12-17 2017-04-12 杭州沪宁电梯部件股份有限公司 Power-losing trigger device
US10144614B2 (en) * 2014-12-17 2018-12-04 Hangzhou Huning Elevator Parts Co., Ltd. Power-loss triggering device
EP3235775A4 (en) * 2014-12-17 2018-12-12 Hangzhou Huning Elevator Parts Co., Ltd. Power-losing trigger device
CN104444686A (en) * 2014-12-26 2015-03-25 上海乐天电梯部件有限公司 Electromagnet triggering mechanism for elevator and working method thereof
CN107434198A (en) * 2016-09-30 2017-12-05 上海深邦电气有限公司 A kind of elevator wire rope rope brake

Also Published As

Publication number Publication date
CN100542942C (en) 2009-09-23

Similar Documents

Publication Publication Date Title
CN1955103A (en) Brake for towline of elevator
CN101759076B (en) Elevator buffer
CN108408530B (en) Two-way overspeed protection device for linear motor direct-drive elevator
CN101643164B (en) Elevator system
CN101549818B (en) Elevator brake
CN105293247B (en) A kind of limiter of speed and its application method
CN104724565A (en) Elevator brake device with trigger mechanism
CN1970420A (en) Protection device for over-speed ascending for elevator
CN1789102B (en) Elevator overspeed protecting device
CN101088897A (en) Novel elevator speed limiter
CN103342295A (en) Tower crane, as well as amplitude variation mechanism and amplitude variation method thereof
CN1876546A (en) Elevator emergent braking device
CN204823562U (en) Gradual two -way rope ware that presss from both sides
CN100556785C (en) Elevator main cable drg
CN202529673U (en) Gravity eccentric shaft type safety tongs
CN113184711B (en) Assembled building accessory hoist and mount protection device
CN108928709B (en) Mechanical self-resetting weightless safety tongs
CN100513286C (en) Elevator apparatus
CN103434909A (en) Speed limiting trigger
CN1791548A (en) Elevator emergency stop apparatus
CN2517718Y (en) Elevator towing rope brake
CN2298232Y (en) Safety device for elecvator
CN107434198A (en) A kind of elevator wire rope rope brake
CN100364873C (en) Upward travel protector for lift
CN2778784Y (en) Elevator main steel cable brake

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee
CP01 Change in the name or title of a patent holder

Address after: 311121 water tower village of Zhongtai village, Yuhang District, Hangzhou, Zhejiang

Patentee after: HANGZHOU HUNING ELEVATOR PARTS CO., LTD.

Address before: 311121 water tower village of Zhongtai village, Yuhang District, Hangzhou, Zhejiang

Patentee before: Hangzhou Huning Elevator Fitting Co., Ltd.

C56 Change in the name or address of the patentee
CP02 Change in the address of a patent holder

Address after: Yuhang Thailand Street Tower Village in Hangzhou City, Zhejiang province 311121

Patentee after: HANGZHOU HUNING ELEVATOR PARTS CO., LTD.

Address before: 311121 water tower village of Zhongtai village, Yuhang District, Hangzhou, Zhejiang

Patentee before: HANGZHOU HUNING ELEVATOR PARTS CO., LTD.