baber/WOPTO huggingface dataset:
Patent WO-2021120687-A1 (WO)
Inventor: CHEN ZHENMING
IPC: E04G23/08
Filed: 2020-08-28
Abstract: A method for the entire removal of a space truss, and an assistive support mechanism therefor. The assistive support mechanism is provided on a vertical support rod (11) of a truss structure (1), and comprises an assistive support assembly (2) and a lifting assembly (3). The assistive support assembly (2) comprises a support platform (21), a lattice support member (22) provided on the support platform (21), and a conversion platform (23) provided at the top of the lattice support member (22). The lifting assembly (3) is provided at the top of the conversion platform (23), and comprises a stranded wire (31) for fixing the truss structure (1), a lifting member (32) for driving the stranded wire (31) to move up and down, and a control member for controlling the lifting member (32). The method for the entire removal of a space truss comprises: providing an assistive support mechanism directly on an existing vertical support mechanism, performing primary removal of a truss structure (1) in the sky, separating the truss structure (1) from a vertical support rod (11), using a lifting member (32) so as to lower the truss structure (1) stably to the ground, and then performing secondary removal of the entire truss, such that the main removal work is done on the ground, thereby reducing the need to remove assistive means, and operational risks, and improving working efficiency.
Patent WO-2022041257-A1 (WO)
Title: 三维地图处理方法、装置、可移动平台及存储介质
Inventor: YAN ZHAO
IPC: G01C21/32
Filed: 2020-08-31
Abstract: 一种三维地图处理方法、装置及存储介质，所述方法包括：从第一存储器中读取多张深度图像；所述深度图像中的任一像素对应有深度值；根据每一张深度图像中的每个像素的深度值，获取所述像素对应的三维坐标信息；在得到所述多张深度图像中所有像素对应的三维坐标信息后，从所述第一存储器中读取历史三维地图；利用所述多张深度图像中所有像素对应的三维坐标信息更新所述历史三维地图。本实施例有利于降低存储器的带宽损耗以及提高处理速度，从而满足实时性需求。
Patent WO-2021068713-A1 (WO)
Title: Page display method and wearable device
Inventor: GAO XUTAO
IPC: G06F9/44
Filed: 2020-09-15
Abstract: A page display method and a wearable device. The method comprises: displaying a first page, and loading a second page (S301), wherein the second page is the next page to which the first page is switched; performing a screenshot on the second page to obtain a second screenshot corresponding to the second page (S302); in response to a first operation of a user switching the first page to the next page, displaying the second screenshot (S303); and replacing the second screenshot with the second page (S304). By using the method, performance of page switching can be improved, thus improving the user experience.
Patent WO-2022056859-A1 (WO)
Title: Mbs transmission progress control method and apparatus, and communication device
Inventor: WANG SHUKUN
IPC: H04W76/40
Filed: 2020-09-18
Abstract: Embodiments of the present application provide an MBS transmission progress control method and apparatus, a terminal device, and a network device. The method comprises: a core network element sends an MBS transmission progress request message to at least two base stations, the MBS transmission progress request message being used for making a request to report an MBS transmission progress report; the core network element receives the MBS transmission progress report sent by the at least two base stations, and adjusts, on the basis of the MBS transmission progress report sent by the at least two base stations, the progress of MBS data issued to the at least two base stations.
Patent WO-2022007200-A1 (WO)
Inventor: WU JIAN
IPC: A47C17/00
Filed: 2020-09-25
Abstract: 一种无螺丝组装沙发，包括配合安装的沙发座和扶手（1），沙发座固定配合第一下连接件（4a），扶手（1）固定配合第一上连接件（5a），第一下连接件（4a）与第一上连接件（5a）插卡配合。扶手（1）与沙发座采用插卡配合的方式安装，简化了组装步骤，缩短了组装时间，消除了对工具的依赖，轻松快速的组装大大提升了体验感。此外，还设置了卡扣结构，能够防止沙发使用当中部件松动后易脱落等问题。
Patent WO-2021057927-A1 (WO)
Inventor: SUN JINLONG
IPC: H04W4/02
Filed: 2020-09-25
Abstract: Provided are a train positioning method and apparatus, a system, and a computer-readable medium. The train positioning method comprises: acquiring first device identification information received by at least one first receiving antenna; acquiring positioning information of a train; after determining that the first device identification information is trustworthy, storing the first device identification information and the positioning information in a non-volatile memory; after the train is awakened from sleep mode, receiving second device identification information by using the at least one receiving antenna; according to the received second device identification information and the first device identification information that is read from the non-volatile memory, determining whether, after being awakened, the train is at the position at which same was located before entering sleep mode; if determined that, after being awakened, the train is at the position at which same was located before entering sleep mode, determining that the current position and direction of the train match the positioning information stored in the non-volatile memory, and completing the positioning of the train. The present solution can ensure the usage experience of users of a train.
Patent WO-2022061789-A1 (WO)
Inventor: HONG WEI
IPC: H04W88/06
Filed: 2020-09-25
Abstract: Disclosed are a communication method and apparatus, and a device and a storage medium. The method comprises: receiving minimization of drive tests (MDT) configuration information, which is sent by a first network device, for a multi-card terminal device; and in response to the multi-card terminal device entering an idle state from a connected state, performing MDT measurement according to the MDT configuration information, and storing the obtained MDT measurement information. By using the embodiments of the present disclosure, the communication quality of a multi-card terminal device can be improved, and the communication efficiency can be improved.
Patent WO-2021169278-A1 (WO)
Inventor: WU HONG
IPC: H04L45/748
Filed: 2020-09-27
Abstract: The present application relates to the field of data communication, and provided thereby are a route attribute update method, a network device and a system. In a solution provided by the present application, a second network device may deliver a message for RPD to a first network device, the message comprising a routing policy, and the routing policy comprising a matching condition field and an action field. When detecting that routing information of a BGP route matches a target feature carried in the matching condition field, the first network device may automatically update a route attribute of the BGP route on the basis of a route attribute carried in the action field. The first network device may automatically update the route attribute of the BGP route on the basis of the routing policy comprised in the message issued by the second network device without manual configuration by operation and maintenance personnel, and therefore, the route attribute update efficiency is improved and the operation and maintenance costs of a data communication system are reduced.
Patent WO-2021078140-A1 (WO)
Inventor: GUO DAIWEI
IPC: G06F9/451
Filed: 2020-10-21
Abstract: La présente invention concerne un procédé d'interaction de message et un dispositif électronique. Le procédé d'interaction de message selon un mode de réalisation de la présente invention comprend les étapes consistant à : recevoir une première entrée d'un utilisateur par rapport à une première interface d'interaction, la première interface d'interaction comprenant un message cible ; en réponse à la première entrée, configurer une condition de rappel correspondant au message cible ; et lorsque la condition de rappel est satisfaite, afficher une seconde interface interactive, la seconde interface interactive étant une interface interactive pour répondre au message cible.
Patent WO-2021078152-A1 (WO)
Inventor: YE MING
IPC: A61F2/16
Filed: 2020-10-21
Abstract: L'invention concerne un cristallin artificiel ayant au moins une surface optique asymétrique représentée par des polynômes de Zernike, au moins un article des polynômes de Zernike n'étant pas égal à zéro à l'exception des éléments A3, A4, A5 et A12. Le cristallin artificiel peut être personnalisé selon les caractéristiques individuelles des yeux humains dans un mode personnalisé pour corriger des aberrations et améliorer la qualité visuelle.
Patent WO-2021135730-A1 (WO)
Title: Display interface adaptation method, display interface adaptation design method and electronic device
Inventor: ZHOU XUAN
IPC: G06F9/451
Filed: 2020-11-24
Abstract: Disclosed are a display interface adaptation method and apparatus, a display interface adaptation design method and apparatus, an electronic device, and a storage medium. The display interface adaptation method comprises: acquiring a screen resolution; determining the value of a grid attribute according to the screen resolution; acquiring a layout parameter of a target element, wherein the layout parameter of the target element is described by using the grid attribute; and according to the layout parameter of the target element and the value of the grid attribute, displaying the target element. By using the display interface adaptation method, the efficiency of interface adaptation of different terminal products can be realized, and the function of multi-resolution adaptation in one design is achieved.
Patent WO-2021174916-A1 (WO)
Title: 一种太阳能曝气机
Inventor: CHEN BIN
IPC: C02F3/16
Filed: 2020-11-25
Abstract: 一种太阳能曝气机，包括浮筒(1)、飘浮体(2)、曝气机本体(3)和太阳能光伏系统(4)，其中曝气机本体(3)包括主机(31)、叶轮(32)、第一导流罩(33)和第二导流罩(35)，叶轮(32)位于主机(31)的上方，并位于第一导流罩(33)内腔中，第二导流罩(35)位于第一导流罩(33)上方，且第二导流罩(35)和第一导流罩(33)之间的间隙形成第一流道，第二导流罩(35)内腔形成第二流道，第一导流罩(33)的上部和第二导流罩(35)的上部均呈倒置的喇叭口状，第二导流罩(35)的顶端半径大于第一导流罩(33)的顶端半径；太阳能曝气机能够提高水体与空气的混合效果，同时提高水体中下部的增氧效果，有效提升水体的自身净化。
Patent WO-2021218135-A1 (WO)
Title: 一种碳纤板进胶结构
Inventor: GUO MINGWEN
IPC: B29C45/27
Filed: 2020-11-25
Abstract: 一种碳纤板进胶结构，包括：斜销（1）和模仁（2），所述模仁（2）上设有多个热嘴头（3）；当所述斜销（1）紧靠于所述模仁（2）的时候，所述斜销（1）与所述模仁（2）之间形成流道（4）和出料口（5）；所述流道（4）包括互相连通的第一容腔（401）和第二容腔（402），所述第二容腔（402）相对于所述第一容腔（401）收窄；所述热嘴头（3）与所述第一容腔（401）连通，所述出料口（5）与所述第二容腔（402）连通，所述出料口（5）呈长形。该碳纤板进胶结构，在进胶的时候塑胶先经过第一容腔，再经过第二容腔，最后再由出料口流出，减小了塑胶对碳纤板的冲击，避免了在碳纤板上留下冲料印。
Patent WO-2021104371-A1 (WO)
Title: Anticorps anti-cd3 et anti-bcma, et protéines de liaison bispécifiques fabriquées à partir de ceux-ci
Inventor: WU CHENGBIN
IPC: C07K16/46
Filed: 2020-11-26
Abstract: L'invention concerne des anticorps à haute affinité reconnaissant CD3 et BCMA (protéine facteur de maturation des lymphocytes B). Des sites de liaison à partir d'anticorps anti-CD3 et anti-BCMA humanisés sont incorporés sous un format d'immunoglobuline de type "Fabs-in-Tandem" sans perte significative d'affinité de liaison, et les protéines de liaison multivalentes bispécifiques obtenues sont capables de se lier à CD3 et à BCMA simultanément. De tels anticorps, des parties de liaison à l'antigène de ceux-ci, et des protéines de liaison FIT-Ig bispécifiques sont utiles pour le traitement du cancer.
Patent WO-2021227444-A1 (WO)
Inventor: ZHOU JUN
IPC: G06Q40/00
Filed: 2020-11-27
Abstract: 一种会计报表生成方法、装置及一种电子设备和计算机可读存储介质，该方法包括：利用事前控制策略对赋值过程进行管控，生成完全受控的会计信息化单据；将单据信息映射到账簿中；为报表增设错误、调节、常态项使其俱有常态化检测报错功能，利用事后控制策略对账簿中的单据和累积的累计的信息进行再次检测校正；接收传递报表生成命令，获取对应报表模板，根据报表生成命令从校正后的账簿中调取相应的指标映射到模板中，并获取模板任务栏的计算关系，计算生成目标会计报表；本申请以逻辑的方法对系统数据进行事前事后管控，以常态化报表的方式实时检测系统数据，确保了数据的正确性，使会计报表俱有了常态化及时性智能性的检测报错功能。
Patent WO-2022021711-A1 (WO)
Inventor: LI WEILIN
IPC: G06Q50/26
Filed: 2020-11-27
Abstract: A surveillance method and apparatus, an electronic device, and a storage medium. The method comprises: acquiring a first image to be confirmed and a face image database comprising a face image of a surveillance object; and in the case that it is determined that there is an image having a face similarity to the first image to be confirmed greater than a face similarity threshold in the face image database and the first image to be confirmed comprises the body of the surveillance object, performing a body surveillance task, the body surveillance task comprising performing body comparison between the surveillance object comprised in the first image to be confirmed and objects comprised in images in the database to obtain at least one image having the similarity to the first image to be confirmed greater than the human similarity threshold as at least one target image.
Patent WO-2022057100-A1 (WO)
Title: Optical module
Inventor: LIU XUERU
IPC: G02B6/42
Filed: 2020-12-04
Abstract: An optical module (200), comprising: a circuit board (300); and an optical receiving sub-module (500), which is electrically connected to the circuit board (300) and is used for converting a received signal light into a current signal. The optical receiving sub-module (500) comprises an optical receiving cavity (520), the optical receiving cavity comprising a bottom plate for bearing and arranging a device. The device comprises reflecting prisms (561, 571) and optical receiving assemblies (580, 590). The optical receiving assemblies (580, 590) comprise several optical receiving chips (583, 593). The reflecting prisms (561, 571) cover the optical receiving chips (583, 593) of the optical receiving assemblies (580, 590) and are used for reflecting signal light to the optical receiving chips (583, 593) of the optical receiving assemblies (580, 590). The optical module (200) changes the transmission direction of the signal light by means of the reflecting prisms (561, 571), thus facilitating the receiving of the signal light by the optical receiving chips (583, 593).
Patent WO-2022036944-A1 (WO)
Inventor: HAN CHUANYU
IPC: G10L15/22
Filed: 2020-12-10
Abstract: 一种语音交互方法、服务器和语音交互系统。语音交互方法用于服务器。语音交互方法包括：接收车机系统转发的按时间输入的多轮语音，多轮语音包括当前轮语音和在先轮语音（S12）；根据多轮语音，计算出当前轮语音的语境得分和自然语言理解得分（S14）；根据当前轮语音和当前轮语音的语境得分和自然语言理解得分，获取当前轮语音的回复及拒识结果（S16）；根据当前轮语音的回复及拒识结果，完成车机系统和用户的语音交互（S18）。上述语音交互方法中，能够控制车机系统以合适的处理方式来对用户语音进行处理，减少过拒等问题，提升用户体验。
Patent WO-2022032947-A1 (WO)
Inventor: LUO QIONG
IPC: A61B5/346
Filed: 2020-12-11
Abstract: 本发明公开了一种长程心电数据下快速标注方法及装置，所述方法包括接收长程心电数据，根据所述长程心电数据绘制t-RR散点图；根据选取的一段或多段所述t-RR散点图，将所述选取的t-RR散点图中的相邻RR间期的心电数据建立直角坐标系，一个RR间期及与之相邻的RR间期分别为X、Y坐标系；根据圈选的指令分离出需要修正的心脏起搏点和不需要修正的心脏起搏点，并将需要修正的心脏起搏点处理为弹簧压缩图，通过标注所述弹簧压缩图批量标注噪声。克服了现有可视化工具中噪声标注准确不好的问题，在人工审阅时噪声干扰判图时，能快速准确剔除噪声，提升修图速度。
Patent WO-2021136136-A1 (WO)
Inventor: LIU TAO
IPC: G06F3/0488
Filed: 2020-12-28
Abstract: 本申请实施例提供一种截图方法及电子设备，该方法包括：接收用户对上述第一显示区域的第一输入；响应于上述第一输入，选中上述第一显示区域的显示内容，并在上述第二显示区域显示与该显示内容对应的N张截图；接收用户对上述N张截图的第二输入；响应于上述第二输入，显示第一图像，该第一图像为基于上述N张截图中的M张目标截图拼接得到的。
Patent WO-2021129869-A1 (WO)
Title: 温度自动控制托盘、充电仓、换电站及储能站
Inventor: ZHANG JIANPING
IPC: B60L53/30
Filed: 2020-12-28
Abstract: 一种温度自动控制托盘（100）、充电仓（400）、换电站（500）及储能站。温度自动控制托盘（100）用于承载并冷却电池包（90），包括制冷部（12）及托盘本体（11），所述制冷部（12）设置为与所述托盘本体（11）相连接，所述制冷部（12）为制冷管（22）和/或自循环散热模块（30）。通过将制冷部（12）设计为制冷板（20）、自循环散热模块（30）或者同时包括制冷板（20）及自循环散热模块（30），并将制冷部（12）设置为与托盘本体（11）相连接，从而有利于制冷部（12）吸收电池包（90）产生的热量，避免热量在电池包（90）的内部聚集，进而有利于将电池包（90）的温度控制在适宜的温度范围内，有利于提高电池包（90）的充电效率，也有利于提高电池包（90）的寿命。
Patent WO-2022147674-A1 (WO)
Title: Dropper comprising a container and a head actionable in several directions
Inventor: SHEREGAR VENKATESH
IPC: B65D83/76
Filed: 2021-01-06
Abstract: A dropper (15) comprising a container (20) and a head (25), the container (20) extending between an open proximal end (35) and a distal end (40) along a longitudinal axis (L). The container (20) delimiting a product storage inner volume (45). The head (25) is tightly mounted at the proximal end (35) to tightly close the proximal end (35).The head (25) comprises an actuator (75) and a deformable bulb (70) mounted between the actuator (75) and the proximal end (35). The deformable bulb (70) defines an inner chamber (80) with a variable volume. The actuator (75) is mobile with regards to the container (20) along an inclined direction (I), between a rest configuration, and a dispensing configuration in which the actuator (75) deforms the bulb (70) to decrease the volume of the inner chamber (80).The inclined direction (I) comprises a non-null component along the longitudinal axis (L) and a non-null component along a transverse axis perpendicular to the longitudinal axis (L).
Patent WO-2022151019-A1 (WO)
Inventor: CHEN SHAOJUN
IPC: C08G18/85
Filed: 2021-01-13
Abstract: 本发明涉及智能材料技术领域，具体涉及液晶性聚氨酯、液晶性聚氨酯薄膜及其制备方法。本发明提供的液晶性聚氨酯的制备方法，包括如下步骤：将主链中含有叔胺氮的聚氨酯原料和柔性链末端含有卤素的液晶单体在有机溶剂中混合发生季铵化反应，得到所述液晶性聚氨酯。本发明提供的液晶性聚氨酯的制备方法仅需要将普通的聚氨酯和液晶单体相混，通过一锅法反应即可制备出具有液晶性的聚氨酯材料，而无需其他繁琐的反应操作和后处理步骤，同时通过本发明制备方法制备得到的液晶性聚氨酯分子量和液晶单体含量易于控制，可有效保证产品质量。
Patent WO-2022095282-A1 (WO)
Inventor: LI DAWEI
IPC: H02K1/17
Filed: 2021-01-21
Abstract: 一种定子具有编码式副齿的游标永磁电机，属于永磁电机技术领域，包括：同轴套设的定子(1)和转子(2)，定子(1)与转子(2)之间形成有气隙(3)；定子(1)中靠近气隙(3)的侧面上设置有编码式副齿结构(11)，且编码式副齿结构(11)的部分结构上设置有第一永磁体(12)；转子(2)中靠近气隙(3)的侧面上环绕设置有多对交替分布的第二永磁体(21)和铁磁体(22)；第一永磁体(12)和铁磁体(22)产生第一磁场，第二永磁体(21)和编码式副齿结构(11)产生第二磁场，磁场叠加后形成工作磁场。编码式副齿结构与转子上的永磁体相互作用，编码式副齿结构上的永磁体与转子上的铁磁体相互作用，产生的磁场相互叠加形成多工作磁场，工作磁场幅值更大，且主要工作磁场谐波在绕组中产生的反电势相位一致，使得电机具有更强的转矩输出能力。
Patent WO-2022165696-A1 (WO)
Inventor: MA YUAN
IPC: A61Q19/00
Filed: 2021-02-04
Abstract: L'invention concerne une composition anhydre pour améliorer l'aspect de matières kératiniques, comprenant : i) de l'acide ascorbique; ii) au moins un agent de dermabrasion sélectionné parmi l'acide salicylique et des dérivés de celui-ci; iii) au moins un polyéthylène glycol contenant de 4 à 30 unités -CH2CH2O-; iv) de la glycérine; et v) au moins un épaississant hydrophile, L'invention concerne également un procédé non thérapeutique pour améliorer l'aspect de matières kératiniques, comprenant l'application de la composition sur les matières kératiniques pendant une certaine durée.
Patent WO-2022193292-A1 (WO)
Title: Verre de lunettes à propriétés antibactériennes et/ou antivirales et son procédé de fabrication
Inventor: LAUKART ARTUR
IPC: G02C7/02
Filed: 2021-03-19
Abstract: La présente invention concerne un verre de lunettes comprenant au moins un revêtement antibactérien et/ou antiviral et son procédé de fabrication.
Patent WO-2021197453-A1 (WO)
Title: 小区选择或重选的方法和设备
Inventor: WEN MING
IPC: H04W36/00
Filed: 2021-04-02
Abstract: 本发明实施例公开了一种小区选择或重选的方法和设备，用以解决终端设备在进行小区选择或重选时，因没有考虑到小区的slice而导致的无法有效和快速接入小区的问题。该方法可以由终端设备执行，包括：接收来自小区的MIB消息；在根据所述MIB消息确定所述小区能够成为候选接入小区的情况下，读取所述小区的SIB消息，所述SIB消息包括所述小区的切片slice信息；根据所述终端设备支持的slice信息以及所述小区的slice信息，从所述小区的slice中选择一个slice接入。
Patent WO-2022213289-A1 (WO)
Title: Hybrid automatic repeat request acknowledgement feedback method and apparatus
Inventor: LI MINGJU
IPC: H04L1/18
Filed: 2021-04-06
Abstract: Embodiments of the present application disclose a hybrid automatic repeat request acknowledgement (HARQ-ACK) feedback method and an apparatus, applicable to the technical field of communications. The method configured to be implemented by a terminal device comprises: receiving first indication information, the first indication information being used for indicating M discontinuous time units; respectively receiving N PDSCHs on the M discontinuous time units; and sending the feedback information of HARQ-ACK corresponding to the N PDSCHs, both M and N being positive integers greater than 1, and N being less than or equal to M. In this way, the terminal device can determine a plurality of discontinuous time units by means of the first indication information, and perform HARQ-ACK feedback for the plurality of PDSCHs received on the plurality of discontinuous time units, thereby effectively reducing signaling transmission, thus saving resources and improving efficiency.
Patent WO-2021238468-A1 (WO)
Inventor: SONG CHUNLEI
IPC: G02F1/1333
Filed: 2021-04-13
Abstract: 一种基板(1)，包括：至少两个边部(11、13)；和至少一个端部(12)，各端部连接相邻的两个边部。其中，各端部包括切割段(121)和两个断裂段(122)，切割段的一端通过一个断裂段连接相邻的两个边部中的一个边部，切割段的另一端通过另一个断裂段连接相邻的两个边部中的另一个边部。切割段配置为由工具切割形成，断裂段配置为在物理力的作用下形成。该基板有利于防止烧伤元件，减少产品不良现象，提高产品的通用性。还涉及一种电子器件、一种电子设备及一种基板的切割方法。
Patent WO-2022236519-A1 (WO)
Title: Mélange de composition de revêtement en poudre
Inventor: YANG PENGCHENG
IPC: C09D175/04
Filed: 2021-05-10
Abstract: L'invention concerne un mélange de composition de revêtement en poudre comprenant une composition réticulable et un système catalyseur, la composition réticulable étant formée par un composant donneur réticulable A et un composant accepteur réticulable B qui sont réticulables par procédure d'addition de Michael Real (RMA) par l'intermédiaire du système de catalyseur, le système de catalyseur étant un système de catalyseur séparé qui comprend une composition de précurseur de catalyseur (P) et une composition d'activateur de catalyseur (C) qui sont physiquement séparées ; ou dans lequel le composant donneur réticulable A et le composant accepteur réticulable B sont physiquement séparés.
Patent WO-2022012214-A1 (WO)
Title: Electric curtain and driving device therefor
Inventor: LEI ZHENBANG
IPC: A47H5/02
Filed: 2021-06-07
Abstract: An electric curtain and a driving device (1) therefor. The driving device (1) is used for being fixed to curtain cloth (3) so as to drive the curtain cloth (3) to move in the axial direction of a guide rail (5), and comprises: a housing (10); a traveling wheel (12) pivoted to the housing (10) and pressing against the guide rail (5); a driving mechanism (14) assembled in the housing (10) and used for driving the traveling wheel (12) to roll in the axial direction of the guide rail (5); a limiting rolling wheel (17), which has the two ends pivoted to corresponding movable shaft seats (16) and is assembled on the housing (10) by means of the movable shaft seats (16); and elastic members (18) used for elastically pushing the movable shaft seats (16) to enable the limiting rolling wheel (17) to press against the guide rail (5). The traveling wheel (12) and the limiting rolling wheel (17) press against the guide rail (5) from the upper side and the lower side of the guide rail (5) respectively. The traveling wheel (12) and the limiting rolling wheel (17) tightly press against the guide rail (5) from the upper side and the lower side of the guide rail (5) respectively, so that the guide rail (5) is limited, thus guaranteeing that the wheel face of the traveling wheel (12) tightly presses against the guide rail (5) all the time, and achieving stable opening and closing of the curtain cloth (3).
Patent WO-2021249391-A1 (WO)
Inventor: ZENG TIAN
IPC: A47L11/24
Filed: 2021-06-08
Abstract: The present application provides a cleaning apparatus. The cleaning apparatus comprises a rack, a roller brush assembly, a side brush, an auxiliary air duct shell, and a filtering assembly. The rack is provided with a travelling assembly. The roller brush assembly is mounted on the rack; the roller brush assembly comprises a first brush shell, a second brush shell, and a roller brush arranged between the first brush shell and the second brush shell; the first brush shell is arranged in front of the second brush shell; the first brush shell and the second brush shell enclose a first air duct; the roller brush is located at a first inlet, and a first outlet is located behind the first inlet. The side brush is mounted below the rack, and is arranged in front of the first brush shell. The auxiliary air duct shell is mounted on the rack, and is arranged in front of the first brush shell and behind the side brush; the auxiliary air duct shell and the first brush shell enclose a second air duct; a second inlet is arranged near the side brush; the flying dust of the side brush can enter the second air duct by means of the second inlet; a second outlet is located behind the second inlet. The filtering assembly is arranged at the first outlet and the second outlet.