CN110226834B - Lifting heating table - Google Patents

Lifting heating table Download PDF

Info

Publication number
CN110226834B
CN110226834B CN201910545761.8A CN201910545761A CN110226834B CN 110226834 B CN110226834 B CN 110226834B CN 201910545761 A CN201910545761 A CN 201910545761A CN 110226834 B CN110226834 B CN 110226834B
Authority
CN
China
Prior art keywords
transmission
gear
rotating shaft
screw
cavity
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
CN201910545761.8A
Other languages
Chinese (zh)
Other versions
CN110226834A (en
Inventor
陈善毛
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.)
Zhongshan Sims Electrical Appliance Co ltd
Original Assignee
Zhongshan Sims Electrical Appliance 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 Zhongshan Sims Electrical Appliance Co ltd filed Critical Zhongshan Sims Electrical Appliance Co ltd
Priority to CN201910545761.8A priority Critical patent/CN110226834B/en
Publication of CN110226834A publication Critical patent/CN110226834A/en
Application granted granted Critical
Publication of CN110226834B publication Critical patent/CN110226834B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B13/00Details of tables or desks
    • A47B13/02Underframes
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B31/00Service or tea tables, trolleys, or wagons
    • A47B31/02Service or tea tables, trolleys, or wagons with heating, cooling or ventilating means
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B37/00Tables adapted for other particular purposes
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B9/00Tables with tops of variable height
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B31/00Service or tea tables, trolleys, or wagons
    • A47B2031/004Service or tea tables, trolleys, or wagons having four vertical uprights
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2200/00General construction of tables or desks
    • A47B2200/0035Tables or desks with features relating to adjustability or folding
    • A47B2200/004Top adjustment

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Transmission Devices (AREA)

Abstract

The invention relates to a lifting heating table, which comprises a synchronous transmission device, wherein the synchronous transmission device comprises a motor, a transmission screw and a transmission gear, the transmission gear is arranged at the end part of the transmission screw, the motor drives the transmission screw to rotate, and the transmission gear at the two ends of a transmission screw rotating belt rotates, and the lifting heating table is characterized in that: the two ends of the driving screw rod are respectively inserted into the driving gear body from one end of the driving gear, the other end of at least one driving gear of the two driving gears is sealed to form a cavity, a spring is arranged in the cavity, one end of the spring is propped against the wall of the cavity, and the other end of the spring is propped against the driving screw rod, so that the driving screw rod cannot move along the axial direction of the driving screw rod. The invention has simple and reasonable structural design, ensures that the transmission screw is limited between the two transmission gears through the spring, has reliable transmission, can effectively ensure that the transmission screw cannot move along the axial direction of the transmission screw through adjusting the elasticity of the spring, and can also ensure that the transmission screw cannot fall off from between the two transmission gears.

Description

Lifting heating table
Technical Field
The invention relates to a lifting heating table.
Background
The existing lifting heating table comprises a synchronous transmission device, the synchronous transmission device comprises a motor, a transmission screw and a transmission gear, the transmission gear is arranged at the end part of the transmission screw, the motor drives the transmission screw to rotate, the transmission gear at the two ends of the transmission screw is rotated, the transmission gear can change the transmission of the horizontal direction by 90 degrees, the next transmission screw is rotated, and meanwhile, the transmission gear can drive the lifting device to lift. Because the driving screw is rigid, and the position between two driving gears is fixed, when the driving screw is to be installed or replaced, the driving screw cannot be installed or replaced due to the position relation, and at present, the driving screw is limited to a plurality of methods between two driving gears, namely, 1 the driving screw is divided into two sections, and the two sections of driving screws are connected through a transition piece to realize synchronous rotation. The 3 rd patent is the patent applied by the applicant, is that the driving screw surface is equipped with the setting element, and the setting element is fixed with the table, and the setting element is in axial locking driving screw, but radial driving screw is the relative setting element rotation, and this structure is also with high costs, and setting element and driving screw frictional force are great, have influenced the rotation of driving screw.
Disclosure of Invention
The invention aims to provide a lifting heating table which enables a transmission screw to be installed quickly and positioned reliably.
The purpose of the invention is realized in the following way:
the utility model provides a lift heating table, includes synchronous drive, and synchronous drive includes motor, drive screw, drive gear again, and drive gear installs the tip at drive screw, and motor drive screw is rotatory, and drive screw rotation takes the drive gear rotation at its both ends, drive screw both ends head is respectively corresponding to insert in the drive gear internally from drive gear's one end, and the other end closure of at least one drive gear forms the cavity in two drive gears, is equipped with the spring in the cavity, and spring one end top is on the wall of this cavity, and the spring other end top is on drive screw, makes drive screw can not follow its axial displacement. The invention has simple and reasonable structural design, the distance between the two transmission gears is larger than the length of the transmission screw, the transmission screw is convenient to mount and dismount, the transmission screw is limited between the two transmission gears by the spring, the transmission is reliable, the transmission screw can not move axially or can only move for a small distance by adjusting the elasticity of the spring, but the transmission screw can be ensured not to fall off from between the two transmission gears.
The above technical solution can be further perfected as follows.
Further, the other end of the other of the two transmission gears is penetrated along the axial direction of the transmission screw, the transmission gear is provided with a gear box for assembling the transmission gear, and the end of the transmission screw passes through the transmission gear and is propped against the inner wall of the gear box.
The beneficial effects of the invention are as follows:
the invention has simple and reasonable structural design, the distance between the two transmission gears is larger than the length of the transmission screw, the transmission screw is convenient to mount and dismount, the transmission screw is limited between the two transmission gears by the spring, the transmission is reliable, the transmission screw can not move axially or can only move for a small distance by adjusting the elasticity of the spring, but the transmission screw can be ensured not to fall off from between the two transmission gears.
Drawings
Figure 1 is a perspective view of a lifting heating table.
Figure 2 is a bottom view of the lift table.
Fig. 3 is a schematic diagram of the synchronous transmission device and the lifting device of the lifting heating table.
Fig. 4 is a schematic diagram of the assembly of the synchronous drive and the lifting device of the lifting heating table.
Fig. 5 is an enlarged view of a portion a of fig. 4.
Fig. 6 is a schematic diagram showing the transmission cooperation of the first transmission shaft, the first transmission gear and the second transmission gear in embodiment 1 of the lifting heating table.
Fig. 7 is a transmission assembly schematic diagram of the first transmission shaft, the first transmission gear and the second transmission gear of embodiment 1 of the lifting heating table.
Fig. 8 is a schematic cross-sectional view of the first drive shaft, first drive gear and second drive gear drive assembly of embodiment 1 of the elevating heating table.
Fig. 9 is a schematic diagram showing the transmission cooperation of the first transmission shaft, the first transmission gear and the second transmission gear in embodiment 2 of the lifting heating table.
Fig. 10 is a transmission assembly schematic diagram of a first transmission shaft, a first transmission gear and a second transmission gear of embodiment 2 of the lifting heating table.
Fig. 11 is a schematic diagram showing the transmission cooperation of the first transmission shaft, the first transmission gear and the second transmission gear in embodiment 3 of the lifting heating table.
Fig. 12 is a transmission assembly schematic diagram of a first transmission shaft, a first transmission gear and a second transmission gear of embodiment 3 of the lifting heating table.
Figure 13 is an exploded view of a lift table.
Detailed Description
The present invention is further described below with reference to the accompanying drawings and examples:
embodiment 1, referring to fig. 1 to 8, a lifting heating table includes a table board 5 and a synchronous transmission device 6, wherein four corners of the table board 5 are respectively provided with a first table leg 1, a second table leg 2, a third table leg 3 and a fourth table leg 4.
Referring to fig. 13, the first table leg 1 includes a first housing 13, a first lifting table leg 14, and a first lifting device 11, where the first lifting table leg 14 is disposed in the first housing 13, and a first gear box 12 is disposed at the bottom of the first housing 13.
The second table leg 2 comprises a second outer shell 23, a second lifting table leg 24 and a second lifting device 21, the second lifting table leg 24 is arranged in the second outer shell 23, and a second gear box 22 is arranged at the bottom of the second outer shell 23.
The third table leg 3 includes a third housing 33, a third lifting table leg 34, and a third lifting device 31, where the third lifting table leg 34 is disposed in the third housing 33, and a third gear box 32 is disposed at the bottom of the third housing 33.
The fourth table leg 4 includes a fourth housing 43, a fourth lifting table leg 44, and a fourth lifting device 41, where the fourth lifting table leg 44 is disposed in the fourth housing 43, and a fourth gear box 42 is disposed at the bottom of the fourth housing 43.
The first lifting device 11 comprises a first screw rod 111 and a first nut 112, the first nut 112 is connected with the first lifting table leg 14 and sleeved on the first screw rod 111, the first nut 112 slides along the first screw rod 111 so as to drive the first lifting table leg 14 to lift, and a first transition gear 51 is arranged at the lower end of the first screw rod 111.
The second lifting device 21 comprises a second screw rod 211 and a second nut 212, the second nut 212 and the second lifting table leg 24 are connected and sleeved on the second screw rod 211, the second nut 212 slides along the second screw rod 211 so as to drive the second lifting table leg 24 to lift, and a second transition gear 52 is arranged at the lower end of the second screw rod 211.
The third lifting device 31 includes a third screw rod 311 and a third nut 312, the third nut 312 is connected to the third lifting table leg 34 and is sleeved on the third screw rod 311, the third nut 312 slides along the third screw rod 311, so as to drive the third lifting table leg 34 to lift, and a third transition gear 53 is disposed at the lower end of the third screw rod 311.
The fourth lifting device 41 includes a fourth screw rod 411 and a fourth nut 412, the fourth nut 412 is connected to the fourth lifting table leg 44 and sleeved on the fourth screw rod 411, the fourth nut 412 slides along the fourth screw rod 411, so as to drive the fourth lifting table leg 44 to lift, and a fourth transition gear 54 is disposed at the lower end of the fourth screw rod 411.
The synchronous transmission device 6 comprises a first transmission rotating shaft 61, a second transmission rotating shaft 62, a third transmission rotating shaft 63 and a motor 64, and the motor 64 drives the first transmission rotating shaft 61 to rotate.
The first transmission shaft 61 is provided with a first transmission gear 71 at one end, and the second transmission gear 72 at the other end of the first transmission shaft 61.
A third transmission gear 73 is arranged at one end of the second transmission rotating shaft 62, and a fourth transmission gear 74 is arranged at the other end of the second transmission rotating shaft 62.
A fifth transmission gear 75 is disposed at one end of the third transmission shaft 63, and a sixth transmission gear 76 is disposed at the other end of the third transmission shaft 63.
The first transmission gear 71 and the first transition gear 51 are disposed in the first gear box 12, and the first transmission gear 71 and the first transition gear 51 are meshed, so that the first transmission shaft 61 rotates to drive the first lifting screw to rotate.
The second transmission gear 72, the third transmission gear 73 and the second transition gear 52 are disposed in the second gear box 22, the second transmission gear 72 is meshed with the second transition gear 52, so that the first transmission shaft 61 rotates to drive the second lifting screw rod to rotate, and meanwhile, the second transmission gear 72 is meshed with the third transmission gear 73, so that the first transmission shaft 61 rotates to drive the second transmission shaft 62 to rotate, and power is transmitted.
The fourth transmission gear 74, the third transition gear 53 and the fifth transmission gear 75 are disposed in the third gear box 32, the fourth transmission gear 74 is meshed with the third transition gear 53, so that the second transmission shaft 62 rotates to drive the third lifting screw to rotate, and simultaneously the fourth transmission gear 74 is meshed with the fifth transmission gear 75, so that the second transmission shaft 62 rotates to drive the third transmission shaft 63 to rotate, and power is transmitted.
The sixth transmission gear 76 and the fourth transition gear 54 are disposed in the fourth gear box 42, the sixth transmission gear 76 is meshed with the fourth transition gear 54, and the third transmission shaft 63 rotates to drive the fourth lifting screw to rotate.
In embodiment 1, referring to fig. 6 to 8, the end of the first transmission gear 71 is provided with a cavity 8 along the axial direction thereof, one end inner wall of the cavity 8 is sealed, the other end of the cavity 8 is open, and a spring 7 is further disposed in the cavity 8. The end of the second transmission gear 72 is provided with a cavity 8 along the axial direction, the inner wall of one end of the cavity 8 is sealed, and the other end of the cavity 8 is opened.
Taking the first transmission rotating shaft 61 as an example, one end of the first transmission rotating shaft 61 is inserted into the cavity 8 of the first transmission gear 71 along the opening, one end of the spring 7 is abutted against the inner wall of the cavity 8, the other end of the spring 7 is abutted against the end of the first transmission rotating shaft 61, the other end of the first transmission rotating shaft 61 is inserted into the cavity 8 of the second transmission gear 72 along the opening until being abutted against the inner wall of the cavity 8, and the elastic force of the spring 7 is regulated, so that the first transmission rotating shaft 61 can not move along the axial direction or can only move for a small distance, but can ensure that the transmission screw rod can not fall off from between the two transmission gears. The connection structure and connection manner of the second transmission rotating shaft 62 and the third transmission rotating shaft 63 are the same as those of the first transmission rotating shaft 61.
In embodiment 2, referring to fig. 9 to 10, the end of the first transmission gear 71 is provided with a cavity 8 along the axial direction thereof, one end inner wall of the cavity 8 is sealed, the other end of the cavity 8 is open, and a spring 7 is further disposed in the cavity 8. The end of the second transmission gear 72 is provided with a cavity 8 along the axial direction, the inner wall of one end of the cavity 8 is sealed, one end of the cavity 8 is opened, and a spring 7 is arranged in the cavity 8.
Taking the first transmission rotating shaft 61 as an example, one end of the first transmission rotating shaft 61 is inserted into the cavity 8 of the first transmission gear 71 along the opening, one end of the spring 7 is abutted against the inner wall of the cavity 8, the other end of the spring 7 is abutted against the end of the first transmission rotating shaft 61, the other end of the first transmission rotating shaft 61 is inserted into the cavity 8 of the second transmission gear 72 along the opening, one end of the spring 7 is abutted against the inner wall of the cavity 8, the other end of the spring 7 is abutted against the end of the first transmission rotating shaft 61, and the first transmission rotating shaft 61 can be effectively prevented from moving axially or can only move for a small distance by adjusting the elasticity of the spring 7, but the transmission screw can be ensured not to fall off from between the two transmission gears. The connection structure and connection manner of the second transmission rotating shaft 62 and the third transmission rotating shaft 63 are the same as those of the first transmission rotating shaft 61.
In embodiment 3, referring to fig. 11 to 12, the end of the first transmission gear 71 is provided with a cavity 8 along the axial direction thereof, the inner wall of one end of the cavity 8 is sealed, one end of the cavity 8 is open, and a spring 7 is further disposed in the cavity 8. The end of the second transmission gear 72 is provided with a cavity 8 penetrating through the end in the front-rear direction along the axial direction.
Taking the first transmission rotating shaft 61 as an example, one end of the first transmission rotating shaft 61 is inserted into the cavity 8 of the first transmission gear 71 along the opening, one end of the spring 7 is abutted against the inner wall of the cavity 8, the other end of the spring 7 is abutted against the end of the first transmission rotating shaft 61, the other end of the first transmission rotating shaft 61 passes through the cavity 8 of the second transmission gear 72 and is abutted against the inner wall of the first gear box 12, and the first transmission rotating shaft 61 can not move axially or only can move a small distance by adjusting the elastic force of the spring 7, but can also ensure that the transmission screw cannot fall off from between the two transmission gears. The connection structure and connection manner of the second transmission rotating shaft 62 and the third transmission rotating shaft 63 are the same as those of the first transmission rotating shaft 61.

Claims (2)

1. The utility model provides a lift table, includes synchronous transmission, its characterized in that:
the synchronous transmission device comprises a motor, a plurality of transmission rotating shafts and a plurality of transmission gears, wherein the transmission gears are respectively arranged at two ends of each transmission rotating shaft, and the distance between the two transmission gears is larger than the length of each transmission rotating shaft;
the two ends of the transmission rotating shaft are respectively inserted into the transmission gear body from one end of the transmission gear, the other end of at least one transmission gear in the two transmission gears is sealed to form a cavity, a spring is arranged in the cavity, one end of the spring is propped against the wall of the cavity, and the other end of the spring is propped against the transmission rotating shaft, so that the transmission rotating shaft cannot move along the axial direction of the transmission rotating shaft;
the motor drives the transmission rotating shaft to rotate, the transmission rotating shaft rotates with transmission gears at two ends of the transmission rotating shaft, and the transmission gears rotate to drive the next transmission rotating shaft to rotate, and meanwhile, the lifting table is driven to lift.
2. The lift table of claim 1, wherein: the other end of the other of the two transmission gears is axially penetrated along the transmission rotating shaft, the transmission gear is provided with a gear box for assembling the other transmission gear, and the end of the transmission rotating shaft passes through the transmission gear and is propped against the inner wall of the gear box.
CN201910545761.8A 2019-06-22 2019-06-22 Lifting heating table Active CN110226834B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910545761.8A CN110226834B (en) 2019-06-22 2019-06-22 Lifting heating table

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910545761.8A CN110226834B (en) 2019-06-22 2019-06-22 Lifting heating table

Publications (2)

Publication Number Publication Date
CN110226834A CN110226834A (en) 2019-09-13
CN110226834B true CN110226834B (en) 2024-01-05

Family

ID=67857076

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910545761.8A Active CN110226834B (en) 2019-06-22 2019-06-22 Lifting heating table

Country Status (1)

Country Link
CN (1) CN110226834B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110982952A (en) * 2019-12-31 2020-04-10 苏州市景荣科技有限公司 Shoemaking leather material embossing mechanism
CN112515355A (en) * 2020-12-04 2021-03-19 湖南红通通电器科技有限公司 Low-temperature three-dimensional heating electric heating table

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1060776A (en) * 1990-10-15 1992-05-06 魏智言 Collapsible goods rack
CN201106619Y (en) * 2007-11-27 2008-08-27 力帆实业(集团)股份有限公司 Transmission shaft of beach vehicle
CN102641070A (en) * 2012-04-01 2012-08-22 李向明 Support bar for installing commodity shelf
CN103315519A (en) * 2013-06-28 2013-09-25 浙江捷昌线性驱动科技股份有限公司 Foldable support for lifting table or chair
CN206043886U (en) * 2016-06-27 2017-03-29 邹园 A kind of lift electric heating table
CN206317415U (en) * 2016-12-17 2017-07-11 杭州铭锻机床有限公司 A kind of executor of forcing press
CN108583072A (en) * 2018-05-12 2018-09-28 芜湖众梦电子科技有限公司 A kind of 3D printer that capableing of regulating writing area is sold with performance plate
CN210383145U (en) * 2019-06-22 2020-04-24 中山市西姆斯电器有限公司 Lifting heating table

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2488852A1 (en) * 2004-04-28 2005-10-28 Wilhelm S. Stelzer Modular safety support system

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1060776A (en) * 1990-10-15 1992-05-06 魏智言 Collapsible goods rack
CN201106619Y (en) * 2007-11-27 2008-08-27 力帆实业(集团)股份有限公司 Transmission shaft of beach vehicle
CN102641070A (en) * 2012-04-01 2012-08-22 李向明 Support bar for installing commodity shelf
CN103315519A (en) * 2013-06-28 2013-09-25 浙江捷昌线性驱动科技股份有限公司 Foldable support for lifting table or chair
CN206043886U (en) * 2016-06-27 2017-03-29 邹园 A kind of lift electric heating table
CN206317415U (en) * 2016-12-17 2017-07-11 杭州铭锻机床有限公司 A kind of executor of forcing press
CN108583072A (en) * 2018-05-12 2018-09-28 芜湖众梦电子科技有限公司 A kind of 3D printer that capableing of regulating writing area is sold with performance plate
CN210383145U (en) * 2019-06-22 2020-04-24 中山市西姆斯电器有限公司 Lifting heating table

Also Published As

Publication number Publication date
CN110226834A (en) 2019-09-13

Similar Documents

Publication Publication Date Title
CN110226834B (en) Lifting heating table
CN108466994B (en) Transmission device and lifting upright post
CN207504709U (en) A kind of small-sized Omni-mobile platform decelerating motor
CN206785963U (en) A kind of actuator of convenient disassembly
CN210383145U (en) Lifting heating table
CN210566075U (en) Manual lead screw transmission device
CN202106697U (en) Seal actuating mechanism and seal using machine provided with same
CN216530930U (en) Linear motor and device using same
CN207426905U (en) A kind of decelerating motor
CN114623213A (en) Double-belt transmission structure and curtain machine
CN205356053U (en) Mechanism for converting rotational motion into linear motion
CN208369394U (en) Smart lock motor assembly
CN111775139B (en) Robot
CN203542016U (en) Automatic screw assembly mechanism
CN209604483U (en) A kind of synchronous high-mechanic speed reducer
CN217301477U (en) Double-belt transmission structure and curtain machine
CN201820941U (en) Rotary socket of digital device
CN218162102U (en) Gear reduction motor with two connection modes
CN220646938U (en) Combined electric actuator
CN221704317U (en) Modularized spiral bevel gear reducer
CN108768065A (en) Smart lock motor assembly
CN211638427U (en) Integrated drilling motor
CN215186262U (en) Electric push rod
CN215748880U (en) Variable speed transposition fastening device
CN212928666U (en) Gear linkage mechanism of lifting device

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