FR3073590B1 - Systeme de ressorts pneumatiques combines - Google Patents
Systeme de ressorts pneumatiques combines Download PDFInfo
- Publication number
- FR3073590B1 FR3073590B1 FR1859788A FR1859788A FR3073590B1 FR 3073590 B1 FR3073590 B1 FR 3073590B1 FR 1859788 A FR1859788 A FR 1859788A FR 1859788 A FR1859788 A FR 1859788A FR 3073590 B1 FR3073590 B1 FR 3073590B1
- Authority
- FR
- France
- Prior art keywords
- plate
- end plate
- spring system
- air spring
- upper cover
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
- F16F9/04—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall
- F16F9/0454—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall characterised by the assembling method or by the mounting arrangement, e.g. mounting of the membrane
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/002—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising at least one fluid spring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
- F16F13/06—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/022—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using dampers and springs in combination
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
- F16F15/0232—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means with at least one gas spring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/046—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means using combinations of springs of different kinds
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
- F16F9/04—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
- F16F9/04—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall
- F16F9/0454—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall characterised by the assembling method or by the mounting arrangement, e.g. mounting of the membrane
- F16F9/0463—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall characterised by the assembling method or by the mounting arrangement, e.g. mounting of the membrane with separate crimping rings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
- F16F9/04—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall
- F16F9/0472—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall characterised by comprising a damping device
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
- F16F9/04—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall
- F16F9/05—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall the flexible wall being of the rolling diaphragm type
- F16F9/052—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall the flexible wall being of the rolling diaphragm type characterised by the bumper
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
- F16F9/04—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall
- F16F9/05—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall the flexible wall being of the rolling diaphragm type
- F16F9/057—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall the flexible wall being of the rolling diaphragm type characterised by the piston
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/58—Stroke limiting stops, e.g. arranged on the piston rod outside the cylinder
- F16F9/585—Stroke limiting stops, e.g. arranged on the piston rod outside the cylinder within the cylinder, in contact with working fluid
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Fluid-Damping Devices (AREA)
- Vibration Prevention Devices (AREA)
- Air Bags (AREA)
Abstract
Est divulgué un système de ressorts pneumatiques combinés, comprenant une plaque de couvercle supérieure, un coussin d'air, une plaque d'extrémité supérieure et une plaque d'extrémité inférieure ; la périphérie de la plaque de couvercle supérieure est raccordée à la périphérie de la plaque d'extrémité supérieure par l'intermédiaire du coussin d'air ; un élastomère en sablier en position inférieure est raccordé entre la plaque d'extrémité supérieure et la plaque d'extrémité inférieure ; une plaque de pression est installée en bas de la plaque de couvercle supérieure, un élastomère en position supérieure est raccordé entre la plaque de couvercle supérieure et la plaque de pression ; un plateau de limitation est agencé en bas de la plaque de pression ; une rainure de limitation est formée dans la face supérieure de la plaque d'extrémité supérieure ; le plateau de limitation est situé dans la rainure de limitation dans l'état dégonflé. Le système de ressorts pneumatiques combinés qui est simple en termes de structure, commode à installer, de faible rigidité verticale sous charge lourde, qui présente un confort et une stabilité élevés et est capable de remplir les différentes exigences en termes d'intervalle de limitation.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711114465.X | 2017-11-13 | ||
CN201711114465.XA CN107740835A (zh) | 2017-11-13 | 2017-11-13 | 一种组合式空气弹簧系统 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR3073590A1 FR3073590A1 (fr) | 2019-05-17 |
FR3073590B1 true FR3073590B1 (fr) | 2021-06-11 |
Family
ID=61234524
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1859788A Active FR3073590B1 (fr) | 2017-11-13 | 2018-10-23 | Systeme de ressorts pneumatiques combines |
Country Status (6)
Country | Link |
---|---|
US (1) | US11287010B2 (fr) |
EP (1) | EP3530978A4 (fr) |
CN (1) | CN107740835A (fr) |
FR (1) | FR3073590B1 (fr) |
RU (1) | RU2756139C1 (fr) |
WO (1) | WO2019091148A1 (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107740837B (zh) * | 2017-10-27 | 2021-03-02 | 株洲时代新材料科技股份有限公司 | 应急空气弹簧组件 |
CN107740835A (zh) * | 2017-11-13 | 2018-02-27 | 株洲时代新材料科技股份有限公司 | 一种组合式空气弹簧系统 |
CN109236938B (zh) * | 2018-12-04 | 2021-03-02 | 株洲时代新材料科技股份有限公司 | 一种无气低刚度大动态位移空气弹簧系统 |
CN109578500B (zh) * | 2018-12-04 | 2020-12-25 | 株洲时代新材料科技股份有限公司 | 一种带横向软止档的高速动车组用空气弹簧 |
CN110608259A (zh) * | 2019-10-11 | 2019-12-24 | 湖南铁路科技职业技术学院 | 一种可便捷检测辅助弹簧形变的空气弹簧系统及检测方法 |
CN111043226B (zh) * | 2019-12-04 | 2021-10-01 | 株洲时代瑞唯减振装备有限公司 | 一种空气弹簧的预压缩方法及预压缩空气弹簧 |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3907462A1 (de) * | 1989-03-08 | 1990-09-13 | Continental Ag | Rollbalg-luftfeder |
DE4011517C2 (de) * | 1990-04-10 | 2001-08-09 | Continental Ag | Luftfederbalg für Schienenfahrzeuge |
JPH07172312A (ja) * | 1992-06-01 | 1995-07-11 | Bridgestone Corp | 鉄道車両用枕ばね装置 |
DE19959842A1 (de) * | 1998-12-14 | 2000-06-15 | Mannesmann Sachs Ag | Luftfeder mit einem Schwingungsdämpfer |
JP2001355667A (ja) * | 2000-06-13 | 2001-12-26 | Toyo Tire & Rubber Co Ltd | 空気ばね及び空気ばねの組立方法 |
JP4855897B2 (ja) * | 2006-11-02 | 2012-01-18 | 株式会社ブリヂストン | 空気バネ |
RU2335688C2 (ru) * | 2006-11-13 | 2008-10-10 | Александр Юрьевич Усов | Быстросъемное устройство для стыковки пневмотранспортных трубопроводов |
JP2009156330A (ja) * | 2007-12-26 | 2009-07-16 | Bridgestone Corp | 空気バネ |
JP5116523B2 (ja) * | 2008-03-18 | 2013-01-09 | 株式会社ブリヂストン | 空気ばね |
CN201232725Y (zh) * | 2008-07-24 | 2009-05-06 | 株洲时代新材料科技股份有限公司 | 一种适用于大载荷工况的垂向变刚度一系橡胶金属层叠弹簧 |
WO2012054537A1 (fr) * | 2010-10-18 | 2012-04-26 | Firestone Industrial Products Company, Llc | Ensemble ressort à gaz et amortisseur à gaz et procédé associé |
CN102352906A (zh) * | 2011-07-16 | 2012-02-15 | 西南交通大学 | 自由膜式防倾斜空气弹簧 |
DE202011110308U1 (de) * | 2011-11-16 | 2013-09-10 | Contitech Luftfedersysteme Gmbh | Federsystem für ein Schienenfahrzeug |
US9446648B2 (en) * | 2012-05-29 | 2016-09-20 | Firestone Industrial Products Company, Llc | Gas spring and gas damper assembly with a releasable axial-locking assembly |
WO2015006576A1 (fr) * | 2013-07-12 | 2015-01-15 | Firestone Industrial Products Company, Llc | Système de ressort à gaz |
CN103395429A (zh) * | 2013-08-09 | 2013-11-20 | 株洲时代新材料科技股份有限公司 | 一种轨道交通用空气弹簧 |
CN203604522U (zh) * | 2013-11-12 | 2014-05-21 | 株洲时代新材料科技股份有限公司 | 一种轨道交通用非线性橡胶沙漏弹簧 |
JP6486629B2 (ja) * | 2014-09-05 | 2019-03-20 | 株式会社ブリヂストン | 空気ばね装置 |
CN104527694B (zh) * | 2014-12-31 | 2017-12-08 | 株洲时代新材料科技股份有限公司 | 轨道交通用空气弹簧 |
CN106523561B (zh) * | 2016-11-14 | 2019-01-22 | 株洲时代新材料科技股份有限公司 | 一种沙漏弹簧及增强车辆横向稳定性的方法 |
CN107740835A (zh) * | 2017-11-13 | 2018-02-27 | 株洲时代新材料科技股份有限公司 | 一种组合式空气弹簧系统 |
CN207583916U (zh) * | 2017-11-13 | 2018-07-06 | 株洲时代新材料科技股份有限公司 | 一种组合式空气弹簧系统 |
-
2017
- 2017-11-13 CN CN201711114465.XA patent/CN107740835A/zh active Pending
-
2018
- 2018-08-02 WO PCT/CN2018/098207 patent/WO2019091148A1/fr unknown
- 2018-08-02 EP EP18875209.1A patent/EP3530978A4/fr not_active Withdrawn
- 2018-08-02 US US16/647,024 patent/US11287010B2/en active Active
- 2018-08-02 RU RU2019105263A patent/RU2756139C1/ru active
- 2018-10-23 FR FR1859788A patent/FR3073590B1/fr active Active
Also Published As
Publication number | Publication date |
---|---|
US11287010B2 (en) | 2022-03-29 |
EP3530978A1 (fr) | 2019-08-28 |
WO2019091148A1 (fr) | 2019-05-16 |
FR3073590A1 (fr) | 2019-05-17 |
EP3530978A4 (fr) | 2020-08-26 |
RU2756139C1 (ru) | 2021-09-28 |
CN107740835A (zh) | 2018-02-27 |
US20200217390A1 (en) | 2020-07-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR3073590B1 (fr) | Systeme de ressorts pneumatiques combines | |
FR3073024B1 (fr) | Ensemble ressort pneumatique de secours | |
FR3073025B1 (fr) | Ensemble ressort pneumatique de secours de type a precompression | |
FR3073026B1 (fr) | Ensemble ressort pneumatique de type sablier | |
FR3073023B1 (fr) | Ensemble ressort pneumatique de secours de type a precompression | |
CN204181281U (zh) | 一种可折叠沙发床 | |
CN108784108B (zh) | 一种防滑沙发 | |
MX2020005665A (es) | Asiento comodo de inodoro. | |
CN106976387A (zh) | 手扶拖拉机发动机减震底座 | |
CN101991490A (zh) | 空气单元座垫 | |
FR3074793B1 (fr) | Dispositif microelectromecanique et/ou nanoelectromecanique offrant une robustesse augmentee | |
CN210095197U (zh) | 一种翻转式沙发坐垫软硬调节结构 | |
CN204232676U (zh) | 可以作为摇椅的人体工程学座椅 | |
CN109938512A (zh) | 一种新颖椅靠背 | |
CN211608879U (zh) | 一种带有挡板的靠背垫 | |
CN111466742B (zh) | 一种沙发 | |
CN211186510U (zh) | 一种学生用护腰椅 | |
CN109812529A (zh) | 家用电器减震支撑座 | |
CN204444950U (zh) | 一种躺椅 | |
CN212912422U (zh) | 一种沙发支撑用弹性部件 | |
CN216569220U (zh) | 一种方便检测气密性的气液两用床 | |
CN107752536A (zh) | 一种吧椅用的减震座 | |
CN208425776U (zh) | 吧椅用的减震座 | |
CN208565416U (zh) | 一种彩钢卷弹性支撑垫片 | |
CN204889324U (zh) | 软体沙发弓形弹簧弹性限度保护结构 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PLFP | Fee payment |
Year of fee payment: 2 |
|
PLSC | Publication of the preliminary search report |
Effective date: 20200828 |
|
PLFP | Fee payment |
Year of fee payment: 3 |
|
PLFP | Fee payment |
Year of fee payment: 4 |
|
PLFP | Fee payment |
Year of fee payment: 5 |
|
PLFP | Fee payment |
Year of fee payment: 6 |