CN108703494B - Library uses multi-functional integral type table bench - Google Patents

Library uses multi-functional integral type table bench Download PDF

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Publication number
CN108703494B
CN108703494B CN201810629580.9A CN201810629580A CN108703494B CN 108703494 B CN108703494 B CN 108703494B CN 201810629580 A CN201810629580 A CN 201810629580A CN 108703494 B CN108703494 B CN 108703494B
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China
Prior art keywords
seat
semi
stool
library
cam
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CN201810629580.9A
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Chinese (zh)
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CN108703494A (en
Inventor
杨双琪
张桂东
苑婷婷
宋思奇
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North China University of Science and Technology
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North China University of Science and Technology
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    • 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
    • A47B83/00Combinations comprising two or more pieces of furniture of different kinds
    • A47B83/02Tables combined with seats
    • 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
    • A47B13/08Table tops; Rims therefor
    • A47B13/083Rims for table tops
    • 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
    • A47CCHAIRS; SOFAS; BEDS
    • A47C3/00Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/18Chairs or stools with rotatable seat
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C3/00Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/20Chairs or stools with vertically-adjustable seats
    • A47C3/36Chairs or stools with vertically-adjustable seats with means, or adapted, for inclining the legs of the chair or stool for varying height of seat
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C7/00Parts, details, or accessories of chairs or stools
    • A47C7/002Chair or stool bases
    • A47C7/004Chair or stool bases for chairs or stools with central column, e.g. office chairs
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V33/00Structural combinations of lighting devices with other articles, not otherwise provided for
    • F21V33/0004Personal or domestic articles
    • F21V33/0012Furniture
    • 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
    • A47B2009/003Tables with tops of variable height with inclined slidable surfaces
    • 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
    • A47B83/00Combinations comprising two or more pieces of furniture of different kinds
    • A47B83/02Tables combined with seats
    • A47B2083/025Computer workstation with integrated seat
    • 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
    • A47B2200/0001Tops
    • A47B2200/0002Corner desk
    • 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
    • A47B2200/0042Height and inclination adjustable desktop, either separately or simultaneously
    • 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
    • A47B2200/0084Accessories for tables or desks
    • 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
    • A47B2220/00General furniture construction, e.g. fittings
    • A47B2220/0075Lighting
    • A47B2220/0077Lighting for furniture, e.g. cupboards and racks

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Combinations Of Kitchen Furniture (AREA)

Abstract

The invention relates to a multifunctional integrated table and stool for a library, which comprises a semi-cylindrical table body, wherein a semi-annular fence is arranged above the table body, the outer surface of the semi-annular fence is flush with the outer surface of the semi-cylindrical body, an electronic display screen is arranged on the inner surface of the semi-annular fence, a tabletop of the table body is a panel with an adjustable inclination angle, one end, away from the electronic display screen, of the tabletop is hinged with the table body, an article placing groove is formed below the tabletop, an inclination angle adjusting mechanism I used for adjusting the angle of the tabletop is arranged in the article placing groove, a pedal box is arranged on the side edge of the table body, a circumferential rotating device is arranged in the pedal box and connected with a rotating shaft, a supporting plate is arranged at the upper end of the rotating shaft, a transverse moving device is arranged on the upper surface of the supporting plate, a. The multifunctional electric heating water heater is multifunctional, convenient to use, high in practicability and worthy of popularization.

Description

Library uses multi-functional integral type table bench
Technical Field
The invention belongs to the technical field of cultural goods, and particularly relates to a multifunctional integrated table and stool for a library.
Background
The student is in study at ordinary times, often need go to read the study in the library, and at present, adopt traditional mode mostly in the library, district and the setting of electronic reading district are read to books, and the desk chair in books reading district is conventional big desk, need the student to read with the mode of arranging the seat, in this kind of environment, the atmosphere is depressed, receive people's influence on every side easily, the height of whole desk chairs is a height simultaneously, can not adapt to different individual demands, humanized degree is poor.
Disclosure of Invention
In view of the above, the present invention provides a multifunctional integrated table and stool for a library, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a multifunctional integrated table stool for a library comprises a semi-cylindrical table body, wherein a semi-annular fence is arranged above the table body, the outer surface of the semi-annular fence is flush with the outer surface of the semi-cylindrical body, an electronic display screen is arranged on the inner surface of the semi-annular body, a table top of the table body is a panel with an adjustable inclination angle, one end, away from the electronic display screen, of the table top is hinged with the table body, a storage groove is formed below the table top, a first inclination angle adjusting mechanism for adjusting the angle of the table top is arranged in the storage groove, a pedal box is arranged on the side edge of the table body, a circumferential rotating device is arranged in the pedal box and connected with a rotating shaft, a supporting plate is arranged at the upper end of the rotating shaft, a transverse moving device is arranged on the upper surface of the supporting plate, a mounting plate is arranged on the transverse moving device, the electronic display screen, the transverse moving device, the first inclination angle adjusting mechanism and the second inclination angle adjusting mechanism are electrically connected with a power supply through the control switches.
Preferably, the first inclination angle adjusting mechanism comprises a mounting seat fixed on the bottom surface of the storage groove, a first motor is arranged above the mounting seat, an output shaft of the first motor is connected with a driving shaft through a coupler, two ends of the driving shaft are erected on a first support and a second support through bearings respectively, the first support and the second support are fixed on the bottom surface of the storage groove, a first cam and a second cam are symmetrically arranged on the driving shaft between the first support and the second support, the first cam and the second cam are fixed by locking nuts respectively, and the first cam and the second cam are connected with the desktop in a sliding mode respectively.
Preferably, the circumferential rotating device comprises an installation table arranged on the bottom surface inside the pedal box, a planar bearing is arranged above the installation table, a rotating shaft is sleeved in the planar bearing, the tail end of the rotating shaft is sleeved in a through hole formed in the installation table, and a supporting plate is fixed at the top end of the rotating shaft.
Preferably, the lateral movement device is a ball screw transmission mechanism, the ball screw transmission mechanism includes a second motor, an output shaft of the second motor is connected with one end of a screw through a coupling, the other end of the screw is connected with the support seat through a bearing, the screw is connected with a nut seat in a sliding manner, and the nut seat is fixedly connected with the mounting plate.
Preferably, the second inclination angle adjusting mechanism comprises a supporting column fixed above the mounting plate, a ball head is fixed at the top end of the supporting column, the ball head is matched and rotatably connected with a spherical groove formed in the seat, a first connecting seat is further arranged on the seat, the first connecting seat is hinged to the top end of the telescopic device, and the tail end of the telescopic device is hinged to the mounting plate through the second connecting seat.
Preferably, the telescopic device is one of a hydraulic cylinder and a pneumatic cylinder.
Preferably, the table body is provided with a storage unit, the storage unit comprises a first storage rack and a second storage rack which are respectively arranged on two sides of the fence, and a drawer arranged below the table top, and the drawer is provided with a concave handle and a coded lock.
Preferably, the top of rail is provided with the light, the light is connected with power supply through control switch and electricity.
Preferably, the seat is a hemispherical sofa.
Preferably, the seat is provided with an extension pad, a telescopic sleeve is arranged between the extension pad and the seat and comprises a barrel fixed to the seat, a pull rod is sleeved in the barrel and is connected with the barrel in a sliding mode, and the pull rod is fixed to the extension pad.
Compared with the prior art, the multifunctional integrated table and stool for the library, provided by the invention, has the beneficial effects that:
1. the semi-closed space can be formed by the semi-circular ring fence and the semi-spherical desk and chair, so that external interference of students during learning is reduced, and the learning efficiency is improved;
2. the electronic display screen is arranged on the desk body, digital resources of a library can be wirelessly connected, and therefore in the process of book learning, the learning efficiency is improved by means of various external network resources;
3. the desktop is the panel with the adjustable inclination angle, so that the desktop can be conveniently adjusted according to personal preference and requirements, and the circumferential rotating device is arranged below the seat, so that the desktop can rotate by means of manpower, and is good in humanization and strong in adaptability;
4. a transverse moving device for adjusting the distance between the table and the seat and a second inclination angle adjusting mechanism for adjusting the inclination angle of the seat are arranged below the seat, so that the requirements of different individuals are met;
5. the invention has convenient use and strong practicability and is worth popularizing.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a left side view of the table body of the present invention;
FIG. 3 is a top view of the structure of the present invention;
FIG. 4 is an enlarged view of a portion of A of the present invention;
fig. 5 is a schematic structural diagram of a first tilt angle adjusting mechanism of the present invention.
Detailed Description
The invention provides a multifunctional integrated table and stool for a library, which is described below with reference to the structural schematic diagrams of fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5.
As shown in fig. 1 to 3, the multifunctional integrated table and stool for a library provided by the invention comprises a semi-cylinder table body 1, a semi-ring fence is arranged above the table body 1, the outer surface of the semi-ring is flush with the outer surface of the semi-cylinder, an electronic display screen 4 is arranged on the inner surface of the semi-ring, a table top 2 of the table body 1 is a panel with an adjustable inclination angle, one end of the table top 2, which is far away from the electronic display screen 4, is hinged with the table body 1, an object placing groove is arranged below the table top 2, an inclination angle adjusting mechanism I3 for adjusting the angle of the table top 2 is arranged in the object placing groove, a pedal box 11 is arranged on the side edge of the table body 1, a circumferential rotating device is arranged in the pedal box 11, the circumferential rotating device is connected with a rotating shaft 18, a supporting plate 10 is arranged at the upper end of the rotating shaft 18, and a transverse, be provided with mounting panel 9 on the lateral shifting device, the top of mounting panel 9 is provided with seat 7, be provided with inclination adjustment mechanism two on the seat 7, still be provided with control switch 5 on the table body 1, electronic display screen 4, lateral shifting device, inclination adjustment mechanism one 3, inclination adjustment mechanism two all are connected with the power supply electricity through control switch 5.
Further, as shown in fig. 4 and 5, the first tilt angle adjusting mechanism 3 includes a mounting seat 16 fixed on the bottom surface of the storage groove, a first motor 31 is disposed above the mounting seat 16, an output shaft of the first motor 31 is connected with a driving shaft 35 through a coupling 32, two ends of the driving shaft 35 are respectively erected on a first support 33 and a second support 38 through bearings, the first support 33 and the second support 38 are fixed on the bottom surface of the storage groove, a first cam 34 and a second cam 36 are symmetrically disposed on the driving shaft 35 between the first support 33 and the second support 38, positions of the first cam 34 and the second cam 36 are respectively fixed by a locking nut 37, and the first cam 34 and the second cam 36 are respectively connected with the table top 2 in a sliding manner.
The first cam 34 and the second cam 36 have the same structure, when the first motor 31 rotates, the driving shaft 35 is driven to rotate, the first cam 34 and the second cam 36 on the driving shaft 35 rotate synchronously, the first cam 34 and the second cam 36 are respectively connected with the lower surface of the table top 2 in a sliding manner, and the inclination angle of the table top 2 changes along with the difference of the lift angles of the first cam 34 and the second cam 36.
Further, as shown in fig. 1, the circumferential rotating device includes a mounting table 19 disposed on the bottom surface inside the pedal box 11, a flat bearing 17 is disposed above the mounting table 19, a rotating shaft 18 is sleeved in the flat bearing 17, the tail end of the rotating shaft 18 is sleeved in a through hole formed in the mounting table 19, and the supporting plate 10 is fixed at the top end of the rotating shaft 18.
Wherein, apply force to the seat 7 along the circumference, can promote the seat 7 to rotate along the pivot 18, realize the angular adjustment of circumference.
Further, the lateral shifting device is a ball screw transmission mechanism, the ball screw transmission mechanism comprises a second motor, an output shaft of the second motor is connected with one end of a screw through a coupler, the other end of the screw is connected with the supporting seat through a bearing, the screw is connected with a nut seat in a sliding mode, and the nut seat is fixedly connected with the mounting plate 9.
Further, the second inclination angle adjusting mechanism comprises a supporting column 12 fixed above the mounting plate 9, a ball head is fixed at the top end of the supporting column 12, the ball head is matched with a spherical groove formed in the seat 7 to be rotatably connected, a first connecting seat is further arranged on the seat 7, the first connecting seat is hinged to the top end of the telescopic device 8, and the tail end of the telescopic device 8 is hinged to the mounting plate 9 through the second connecting seat.
Further, the telescopic device 8 is one of a hydraulic cylinder and a pneumatic cylinder.
Further, be provided with the storing unit on the table body 1, the storing unit is including setting up the supporter one 14 and the supporter two 6 in the rail both sides respectively to and set up the drawer 15 in the below of desktop, be provided with recessed handle and trick lock on the drawer 15.
Furthermore, the top of rail is provided with the light, the light is connected with power supply through control switch 5.
Further, the seat 7 is a hemispherical sofa.
Further, be provided with on the seat 7 and extend pad 13, it is provided with telescopic sleeve to extend between pad 13 and the seat 7, telescopic sleeve includes the barrel fixed with seat 7, the pull pole is equipped with to the barrel endotheca, pull pole and barrel sliding connection, the pull pole is fixed with extension pad 13.
When the extension pad 13 is pulled out in the direction away from the seat 7, the pull rod in the telescopic sleeve extends outwards, the length of the telescopic sleeve is increased, the extension pad 13 can be used for placing legs, and the comfort level during rest is improved.
Wherein, the light can provide lighting service to increase the visual brightness when reading.
According to the multifunctional integrated table and stool for the library, the semi-closed space can be formed by the semi-annular fence and the semi-spherical table and chair, so that external interference of students during learning is reduced, and the improvement of learning efficiency is facilitated; the electronic display screen is arranged on the desk body, digital resources of a library can be wirelessly connected, and therefore in the process of book learning, the learning efficiency is improved by means of various external network resources; the desktop is the panel with the adjustable inclination angle, so that the desktop can be conveniently adjusted according to personal preference and requirements, and the circumferential rotating device is arranged below the seat, so that the desktop can rotate by means of manpower, and is good in humanization and strong in adaptability; a transverse moving device for adjusting the distance between the table and the seat and a second inclination angle adjusting mechanism for adjusting the inclination angle of the seat are arranged below the seat, so that the requirements of different individuals are met; the invention has convenient use and strong practicability and is worth popularizing.
The above disclosure is only for the preferred embodiments of the present invention, but the embodiments of the present invention are not limited thereto, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.

Claims (9)

1. A multifunctional integrated table and stool for a library is characterized by comprising a semi-cylinder-shaped table body (1), a semi-ring-shaped fence is arranged above the table body (1), the outer surface of the semi-ring-shaped fence is flush with the outer surface of the semi-cylinder-shaped fence, an electronic display screen (4) is arranged on the inner surface of the semi-ring-shaped fence, a tabletop (2) of the table body (1) is a panel with an adjustable inclination angle, one end, away from the electronic display screen (4), of the tabletop (2) is hinged with the table body (1), an object placing groove is formed below the tabletop (2), a first inclination angle adjusting mechanism (3) for adjusting the angle of the tabletop (2) is arranged in the object placing groove, a pedal box (11) is arranged on the side of the table body (1), a circumferential rotating device is arranged in the pedal box (11), the circumferential rotating device is connected with a rotating shaft (18), a supporting plate (10) is arranged at the upper, the table is characterized in that a transverse moving device is arranged on the upper surface of the supporting plate (10), an installation plate (9) is arranged on the transverse moving device, a seat (7) is arranged above the installation plate (9), a second inclination angle adjusting mechanism is arranged on the seat (7), a control switch (5) is further arranged on the table body (1), and the electronic display screen (4), the transverse moving device, the first inclination angle adjusting mechanism (3) and the second inclination angle adjusting mechanism are electrically connected with a power supply through the control switch (5); the utility model discloses a table top, including the storage groove bottom surface, inclination adjustment mechanism one (3) is including fixing mount pad (16) of putting thing recess bottom surface, the top of mount pad (16) is provided with first motor (31), the output shaft of first motor (31) passes through shaft coupling (32) and is connected with drive shaft (35), the both ends of drive shaft (35) are established respectively on support one (33) and support two (38) through the bearing frame, support one (33) and support two (38) are fixed on putting thing recess bottom surface, the symmetry is provided with cam one (34) and cam two (36) on drive shaft (35) between support one (33) and support two (38), the position of cam one (34) and cam two (36) is fixed with lock nut (37) respectively, cam one (34) and cam two (36) respectively with desktop (2) sliding connection.
2. The multifunctional integrated table and stool for the library as claimed in claim 1, wherein the circumferential rotating device comprises a mounting platform (19) disposed on the bottom surface inside the pedal box (11), a flat bearing (17) is disposed above the mounting platform (19), a rotating shaft (18) is sleeved in the flat bearing (17), the end of the rotating shaft (18) is sleeved in a through hole formed in the mounting platform (19), and the supporting plate (10) is fixed at the top end of the rotating shaft (18).
3. The multifunctional integrated table and stool for libraries of claim 1, wherein the lateral moving device is a ball screw transmission mechanism, the ball screw transmission mechanism comprises a second motor, an output shaft of the second motor is connected with one end of a screw through a coupling, the other end of the screw is connected with the supporting seat through a bearing, a nut seat is connected to the screw in a sliding mode, and the nut seat is fixedly connected with the mounting plate (9).
4. The multifunctional integrated table and stool for the library as claimed in claim 1, wherein the second tilt angle adjusting mechanism comprises a supporting column (12) fixed above the mounting plate (9), a ball head is fixed at the top end of the supporting column (12), the ball head is matched and rotatably connected with a spherical groove arranged on the seat (7), a first connecting seat is further arranged on the seat (7), the first connecting seat is hinged with the top end of the telescopic device (8), and the tail end of the telescopic device (8) is hinged with the mounting plate (9) through the second connecting seat.
5. The multifunctional integrated library table and stool of claim 4, wherein the telescopic device (8) is one of a hydraulic cylinder and a pneumatic cylinder.
6. The multifunctional integrated table and stool for the library according to claim 1, wherein a storage unit is arranged on the table body (1), the storage unit comprises a first storage rack (14) and a second storage rack (6) which are respectively arranged on two sides of the fence, and a drawer (15) arranged below the table top, and a recessed handle and a coded lock are arranged on the drawer (15).
7. The multifunctional integrated table and stool for the library as claimed in claim 1, wherein a lighting lamp is arranged at the top end of the fence, and the lighting lamp is electrically connected with a power supply through a control switch (5).
8. A multifunctional integrated library table and stool as claimed in claim 1, wherein said seat (7) is a hemispherical sofa.
9. The multifunctional integrated table and stool for the library as claimed in claim 1, wherein an extension pad (13) is disposed on the seat (7), a telescopic sleeve is disposed between the extension pad (13) and the seat (7), the telescopic sleeve comprises a barrel body fixed to the seat (7), a pulling rod is sleeved in the barrel body, the pulling rod is slidably connected with the barrel body, and the pulling rod is fixed to the extension pad (13).
CN201810629580.9A 2018-06-19 2018-06-19 Library uses multi-functional integral type table bench Active CN108703494B (en)

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CN108703494B true CN108703494B (en) 2020-10-27

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CN109156998B (en) * 2018-11-06 2022-08-26 郑州科技学院 Multifunctional workbench for indoor design
CN109595494A (en) * 2018-11-30 2019-04-09 东莞市闻誉实业有限公司 Lamps and lanterns
WO2021087748A1 (en) * 2019-11-05 2021-05-14 山东英才学院 Placement table for early education of children with distance control function

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Publication number Priority date Publication date Assignee Title
GB2028117B (en) * 1978-08-21 1983-04-27 Mellinger L Furniture sets for sedentary work
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