baber/WOPTO huggingface dataset:
Patent KR-102476347-B1 (KR)
IPC: H04N21/258
Filed: 2021-03-16
Granted: 2022-12-13
Abstract: 본 발명은 라이브 영상에 대한 공유 기능을 포함하는 CCTV 관리 시스템 및 그것을 이용한 영상 공유 방법에 관한 것이다. 본 발명에 따르면, 라이브 영상에 대한 공유 기능을 포함하는 CCTV 관리 시스템은 감시 대상 공간에 설치되는 CCTV와 연결되며, 상기 CCTV에 의해 촬영되는 영상을 수집하는 복수의 영상감시 저장장치, 상기 복수의 영상감시 저장장치와 네트워크로 연결되며, 상기 영상감시 저장장치에 수집된 복수의 영상에 대한 정보를 획득하여 리스트 형태로 제공하며, 복수의 영상에 대응하는 연결 링크를 생성하고, 상기 생성된 연결 링크 및 연결 링크를 전달할 수 있는 메신저 앱에 대한 정보를 제공하는 동영상 공유 서버, 그리고 상기 동영상 공유 서버에서 제공하는 앱을 실행시킨 상태에서 인증을 수행하고, 인증이 완료되면 공유하고자 하는 영상에 대응하는 링크를 복수의 메신저 앱 중에서 선택한 어느 하나의 앱을 통해 외부의 사용자 단말에 전달하는 관리자 단말을 포함한다.  
이와 같이 본 발명에 따르면, 공유하고자 하는 영상에 대해 임의의 링크를 생성하여 제공하되 별도의 인증 절차 없이 제3자로 하여금 실시간 영상을 모니터링 할 수 있고, 다양한 모바일 메신저 앱(Application) 중에서 선택된 어느 하나의 메진저 앱을 통해 링크를 전달받으며, 전달받은 링크를 선택하는 것만으로 DVR/NVR 장비를 통해 촬영된 영상을 시청할 수 있으므로 편리성을 증대시킬 수 있다.
Patent KR-102293803-B1 (KR)
Inventor: CHOI CHANG DU
IPC: B23P15/00
Filed: 2021-03-22
Granted: 2021-08-24
Abstract: The present invention relates to a manufacturing method of a semiconductor chamber and, more particularly, to a manufacturing method of a semiconductor chamber for manufacturing a semiconductor chamber in which a semiconductor manufacturing process is performed by performing sheet metal, bending, cutting, and perforating processing on a metal raw material to process the metal raw material into desired shapes, dimensions, etc. The manufacturing method of a semiconductor chamber according to the present invention includes: a sheet metal step of sheeting a metal raw material; a cutting step of cutting the metal sheet formed by the sheet metal step into a first metal sheet, a second metal sheet and a third metal sheet having different sizes; a bending step of bending a portion of the metal sheet cut by the cutting step; a perforating step of perforating a hole in the metal sheet; a polishing step of polishing the metal sheet; a vent forming step of forming a plurality of vent holes on one side of the metal sheet; and a wall forming step of bonding the first metal sheets to each other to form a wall.
Patent KR-102328789-B1 (KR)
Title: A low speed granulator for plastic
IPC: B02C18/20
Filed: 2021-03-31
Granted: 2021-11-18
Abstract: The present invention relates to a PET bottle crusher including a main body provided with an upper crushing space for PET bottle placement and a lower collecting space for crushed pellet collection with respect to a rotary shaft driven and rotated by a motor, and a crushing unit operating in conjunction with the rotary shaft to crush a PET bottle into pellets of a predetermined size. The crushing unit includes: a large first crushing cutter axially coupled to and rotating with the rotary shaft and having a first crushing tip crushing a large PET bottle in the crushing space by passage through a blade plate of the main body; and small second crushing cutters mounted on the same axis as the first crushing cutter and having a second crushing tip crushing the PET bottle finely crushed by the first crushing cutter into pellets smaller in size by passage through the blade plate of the main body. The blade plate of the main body has a stepped tip forming steps gradually decreasing the thickness of the area of engagement of the first crushing tip of the first crushing cutter. As a result, the crusher generates pellets by cutting a PET bottle to a predetermined size, cutting resistance and friction resistance can be reduced as compared with the related art, motor load reduction, cutting blade wear reduction, cutting noise reduction, and service life extension can be achieved, and weight reduction and cost reduction can be achieved.
Patent KR-102473692-B1 (KR)
Title: 기판 식각 시스템
IPC: H01L21/67
Filed: 2021-04-15
Granted: 2022-12-02
Abstract: 본 발명은 기판 식각 시스템에 관한 것으로서, 기판을 식각하는 식각부, 식각된 기판을 세정하는 린스부 및 세정된 기판을 건조하는 건조부를 각각 포함하여 기판이 병진 이송되도록 구성된 제1의 식각 처리부 및 제2의 식각 처리부와, 제1의 식각 처리부 및 제2의 식각 처리부와 로딩부 및 언로딩부의 사이에서 기판을 이송하는 기판 이송 로봇이 포함된 기판 이송부를 포함하여 제1의 식각 처리부에 이상이 있어 기판이 손상된 경우에도 제2의 식각 처리부의 기판은 영향을 주지 않아 피해를 최소화 할 수 있고 정교하고 탄력적인 식각이 이루어 질 수 있다.  또한, 기판을 척 유닛에 의해 흡착한 상태에서 이송함으로써, 기판 하면의 파손이 방지될 수 있다.
Patent KR-102452824-B1 (KR)
Title: Manufacturing method of glasses based on thermoplastic polymer
Inventor: KO HYUN U
IPC: B29D11/00
Filed: 2021-04-20
Granted: 2022-10-07
Abstract: Provided is a method for manufacturing glasses based on a thermoplastic polymer. The manufacturing method according to the present invention comprises: a step of manufacturing a molten solution of the thermoplastic polymer; a step of injecting the molten solution into an elastic lens pack having a ring-shaped supporting frame, a flexible thin film surrounding a front end and a back end of the supporting frame, and an inlet formed in the supporting frame, and adjusting an amount of the molten solution depending on vision of a user; a curing step of cooling and curing the molten solution; and a step of combining the elastic lens pack with a lens frame of a glasses frame, or combining a lens separated from the elastic lens pack with the lens frame of the glasses frame. According to the present invention, since the lens is manufactured by performing the curing step after injecting the amount of the molten solution of the thermoplastic polymer depending on the vision of the user into the elastic lens pack, the lens and the glasses can be very conveniently manufactured. In addition, the vision of the user changes, the lens made of the cured thermoplastic polymer can be melted and reused.
Patent KR-102474334-B1 (KR)
Title: 길이 가변식 와이어링 프로텍터
IPC: B60R16/02
Filed: 2021-04-21
Granted: 2022-12-06
Abstract: 본 발명은 길이 가변식 와이어링 프로텍터에 관한 것으로, 와이어를 정렬 안내하기 위해 차체에 고정된 채 상기 와이어의 일측 또는 양측을 접하여 지지하는 제 1바디, 차체에 고정된 채 제 1바디에 일대일 대응되게 배치되어 와이어의 일측 또는 양측을 접하여 지지하는 제 2바디, 및 와이어의 일측 또는 양측을 접하여 지지하는 축 방향 길이를 가변 가능하도록 제 1바디와 제 2바디의 축 방향으로 간격을 조절한 채 서로 연결된 상태를 유지하도록 하는 길이조절부를 포함하는 것을 특징으로 한다. 
본 발명은 종래 기술과 달리 축 방향으로 와이어의 둘레면을 지지하여 정렬 안내하면서 보호하는 프로텍터의 전체 길이를 가변 가능하게 구비함으로써, 프로텍터의 길이 변경에 따른 부품수와 제작비용을 절감할 수 있다.
Patent KR-102412228-B1 (KR)
Inventor: LEE JOO PYUNG
IPC: C08K5/01
Filed: 2021-04-27
Granted: 2022-06-27
Abstract: 본 발명은 유기용제 조성물 및 이를 포함하는 도료 조성물에 관한 것으로, 보다 구체적으로는, C10 방향족 탄화수소 50 내지 75 중량%, C9 방향족 탄화수소 20 내지 40 중량% 포함하며, 나프탈렌을 150ppm 미만으로 포함하는 유기용제 조성물에 관한 것이다.
Patent KR-102530880-B1 (KR)
Title: 추력 증강장치
IPC: B63H11/08
Filed: 2021-04-29
Granted: 2023-05-11
Abstract: 본 발명은 추력 증강장치에 관한 것이다. 이는, 유체의 반작용력을 이용하여 추진력을 얻는 추력발생부와 결합한 상태로 추력발생부의 추력을 증강시키는 것으로서, 상기 추력발생부에 의해 유동하는 기본 유체를 받아 내부로 통과시키되, 기본 유체가 통과하는 동안 내부의 압력 강하를 유발하여, 추력발생부 주변의 주변 유체를 내부로 흡입한 후, 기본 유체와 함께 분사되도록 함으로써  총 분사 유량을 증가시키는 벤투리부와; 상기 벤투리부의 내부 유동장에 배치되며, 벤투리부 외부로 분사되는 유체의 흐름을 직선화시키는 분사유도부가 포함된다. 
상기와 같이 이루어지는 본 발명의 추력 증강장치는, 벤투리 효과를 이용해 최종 분출 유체의 유량을 증가시킴으로써, 추가된 유체의 유량에 해당하는 만큼의 반작용력을 향상시키므로 고효율의 추진력을 발생한다.
Patent KR-102301293-B1 (KR)
Title: A method of measuring the performance of a user terminal that analyzes the degree of computer aging
Inventor: KIM DAE YOUNG
IPC: G06F11/32
Filed: 2021-05-03
Granted: 2021-09-13
Abstract: The present invention may provide a user terminal performance measuring method that analyzes the obsolescence degree of a computer. A user terminal performance measuring method, performed in a system including a user terminal and a server for measuring the performance of the user terminal, in accordance with one aspect of the present invention, comprises the steps of: allowing the server to obtain data on predetermined elements among configuration elements of the user terminal; allowing the server to measure the performance of the predetermined elements in a predetermined method based on the data on the predetermined elements; allowing the server to store a usage pattern of the user terminal when it is determined that the user terminal is obsolete based on the measured performance; and allowing the server to provide a replacement alarm and the stored usage pattern to the user terminal by controlling a notification device The present invention can warn the user of the obsolescence of the user terminal in advance to enhance user convenience.
Patent KR-102484217-B1 (KR)
Title: 분말용 쇳가루 제거장치
IPC: F16F15/04
Filed: 2021-05-10
Granted: 2023-01-02
Abstract: 본 발명은 분쇄기에서 분쇄된 각종 식용분말에 포함된 쇳가루를 제거하는 분말용 쇳가루 제거장치에 관한 것으로, 더욱 상세하게는 호퍼를 포함한 분말낙하장치부가 진동기에 의해 진동하여 호퍼의 하방에 설치되는 다수개의 분말낙하관을 통하여 하측의 자루로 내려가는 과정에서 분말낙하관의 내부에 삽입된 자석봉에 쇳가루가 부착되게 하여 분말에 포함된 쇳가루를 효과적으로 제거할 수 있도록 하고, 호퍼에 담겨진 분말이 분말낙하관과 그 내측에 삽입된 자석봉의 틈새 사이로 내려갈 때 분말낙하관을 포함한 분말낙하장치부가 상하로 진동하며, 자석봉의 하단부를 탄성부재로 받쳐줌에 따라 자석봉이 주변 부품들과 접촉하지 않아서 진동을 이용하여 쇳가루를 제거하는데도 불구하고 소음이 발생하지 않으며, 분말이 좁은 틈새에서 흩어지면서 내려가게 되어 분말에 포함되는 쇳가루가 자석봉에 효율적으로 부착 제거될 수 있도록 하기 위한 것이다. 
본 발명은 전방과 상부가 개방되게 형성되는 함체형 하부프레임(10)의 상부에 상측진동부(20)를 설치하되, 하부프레임(10)의 상부에 상향 돌출된 하부탄성부재설치부(11)와 상측진동부(20)의 호퍼설치대(22) 하부에 하향 돌출되는 상부탄성부재설치부(23)의 사이에 상측진동부(20)의 진동을 흡수하는 탄성부재(24)가 설치되며; 
상기 호퍼설치대(22)의 중앙 상부에 호퍼(21)가 설치되고, 호퍼설치대(22)의 양측 상부에는 수직기둥(25)이 수직 설치되며, 양측 수직기둥(25)의 상부에는 상측에 진동기(27)가 고정 설치된 수평대(26)가 수평 설치되고; 
상기 호퍼(21)의 하부에는 호퍼(21)에 담긴 분말을 하부로 낙하시키며 낙하하는 분말에 포함된 쇳가루를 자력으로 부착하여 분말만 하방으로 낙하시키는 분말낙하장치부(30)가 설치되며; 
상기 분말낙하장치부(30)는 호퍼(21)의 하부를 막도록 설치되는 호퍼바닥판(31)과, 호퍼바닥판(31)의 하부에 호퍼바닥판(31)과 간격을 두고 설치되는 하부캡(32)과, 상하부측 내부면에는 수 개의 내향돌기(34)가 방사방향으로 내향 돌출되게 설치되며 호퍼바닥판(31)과 하부캡(32)의 사이에 호퍼바닥판(31)과 하부캡(32)이 상하로 통하도록 상하로 연결 설치되는 다수개의 분말낙하관(33)과, 내향돌기(34)의 내측으로 헐겁게 삽입되며 상부에 손잡이(35)가 구비된 자석봉(36)과, 자석봉(36)의 하단부를 탄력적으로 받쳐주는 탄성부재(38)가 중앙부에 상향 설치된 판형 탄성부재지지구(39)가 각각의 분말낙하관(33)의 하단부에 대응하는 하부캡(32)의 저면에 설치되는 탄력받침구(37)를 포함하여 이루어지는 것을 특징으로 한다.
Patent KR-102347210-B1 (KR)
Title: Method of controling the logistics using IT classification server
Inventor: PARK HYEONG SEOK
IPC: G06Q10/06
Filed: 2021-05-13
Granted: 2022-01-05
Abstract: An embodiment of the present invention may provide a method of an IT classification server for managing inventory and transportation of items for sale. A logistics management method according to an embodiment of the present invention for achieving the purpose comprises the steps of: obtaining product procurement request information including information on the type of product and information on the number of the product from the first external server; determining a type of vehicle to transport the article and the number of vehicles based on the request information; determining a first user upon obtaining the request information; obtaining free space information of each of at least one storage location based on the request information, and determining a storage location corresponding to the article among the storage locations based on the free space information; providing a dispatch decision alarm to a user terminal corresponding to the determined first user; and determining a storage space in which to store the article among the free space corresponding to the free space information when receiving an alarm of the first user's arrival at the storage place from the user terminal. A logistics management server for managing inventory and transportation of sales items is provided.
Patent KR-102308534-B1 (KR)
Title: Rope type self-driving elevator without machine room
Inventor: KIM GI YOUNG
IPC: B66B7/10
Filed: 2021-06-01
Granted: 2021-10-05
Abstract: The present invention relates to a rope-type self-driving elevator requiring no machine room. According to the present invention, a machine room-less elevator can be installed even in a case where a drive unit installation space is hardly available in the upper or lower portion of an elevating passage. The rope-type elevator includes: an elevating passage (10) formed in a vertical direction; a guide rail provided on the elevating passage (10); a boarding car (20) ascending and descending in the vertical direction along the guide rail; a counterweight (40) for maintaining a weight balance with the boarding car (20); a wire rope (50) connecting the boarding car (20) and the counterweight (40); a drive unit driving the boarding car with the wire rope (50); and a control panel (32) controlling the boarding car (20). The drive unit is mounted on the boarding car (20) itself, and the control panel (32) is mounted in the upper portion of the boarding car (20).
Patent KR-102347345-B1 (KR)
Title: Method, apparatus and coumputer-readable medium for providing announcement based on monitoring result of residence
Inventor: KIM DO HYUNG
IPC: H04N7/18
Filed: 2021-06-03
Granted: 2022-01-05
Abstract: The present invention relates to a method for providing announcement based on a monitoring result of a residence, which quickly controls an announcement transmission range corresponding to spread and movement of an abnormal situation. More specifically, the method comprises: a situation information collection step of collecting image data captured by one or more control cameras installed within a preset radius based on a set residence to collect situation information about the set residence; an abnormal situation detection step of applying the image data collected in the situation information collection step to an image analysis algorithm which has been learned an abnormal situation occurrence pattern to detect an abnormal situation occurring in the set residence; an announcement content selection step of, when an abnormal situation has occurred in the set residence as a result of performing the abnormal situation detection step, selecting, by a computing device, announcement content corresponding to the abnormal situation occurring in the set residence from a database in which announcement content for each abnormal situation are stored; and a transmission range control step of controlling a transmission range of the announcement content selected in the announcement content selection step in consideration of the occurrence location and occurrence scale of the abnormal situation detected in the set residence.
Patent KR-102338001-B1 (KR)
Title: A packing box easy to make bottom face
Inventor: RYU SEONG GON
IPC: B65D5/08
Filed: 2021-06-08
Granted: 2021-12-14
Abstract: The present invention relates to a packaging box for easy formation of a bottom surface, which is implemented to reduce raw materials compared to the existing structure in forming a bottom surface of a box having a predetermined size. The packaging box includes a box body in which rear, left, right, and front walls formed in the shape of square flat plates are connected and installed at the right angle in a square shape so as to form a square column shape with the top and the bottom opened; a bottom part installed covering the bottom opening of the box body to form a bottom surface; and a cover part installed covering the top opening of the box body.
Patent KR-102303590-B1 (KR)
Title: Duct of ventilation for cauldron
Inventor: LEE JAE CHUN
IPC: F04D29/44
Filed: 2021-06-25
Granted: 2021-09-17
Abstract: The present invention relates to a cooking pot ventilation induction duct for discharging combustion gas generated during cooking and cooking gas generated by a cooking object. The present invention includes a stand seated on the ground surface on the exhaust port side of the cooking pot, an exhaust induction discharge unit in the upper portion of the stand inducing combustion gas discharged from the cooking pot exhaust port to a ventilation unit on the ceiling side, and a cooking gas discharge unit on the front surface of the exhaust induction discharge unit capable of discharging cooking gas generated by a cooking object. According to the present invention, the combustion and cooking gases are discharged together, and thus damage to a cooking worker attributable to the gases can be minimized.
Patent KR-102369888-B1 (KR)
Title: Non-conductive or semi-conductive reinforced swellable tape applied by synthetic resin fabric and manufacturing method thereof
Inventor: LEE SUNG WOOK
IPC: B32B7/12
Filed: 2021-06-29
Granted: 2022-03-03
Abstract: The present invention relates to high-strength non-conductive or semi-conductive swellable tape applied with synthetic resin fabric and a manufacturing method thereof. The high-strength swellable tape applied with synthetic resin fabric introduces a synthetic resin fabric layer in which synthetic resin yarn has a mesh structure or a unidirectionally arranged structure, to greatly improve tensile strength, and at the same time, allows an adhesive component to pass between the synthetic resin yarn, to have an advantage that adhesive force between non-woven fabric is not weakened. In addition, cable productivity is increased due to the improved tensile strength during cable production.
Patent KR-102422786-B1 (KR)
IPC: H02K33/18
Filed: 2021-07-05
Granted: 2022-07-19
Abstract: 실시 예의 카메라 모듈은 적어도 하나의 렌즈가 장착된 보빈과, 보빈의 광축 방향으로의 위치를 감지하여 위치 정보로서 출력하는 위치 감지부와, 보빈을 렌즈의 광축 방향으로 이동시키도록 서로 대면하는 제1 코일 및 구동용 마그네트 및 주어진 피사체 정보 및 위치 정보에 따라, 제1 코일과 구동용 마그네트의 상호 작용을 제어하여, 광축에 평행한 제1 방향으로 제1 이동량만큼 보빈을 이동시켜 자동 초점 기능을 수행하는 초점 제어부를 포함한다.
Patent KR-102433261-B1 (KR)
Inventor: SUNG MOSES
IPC: F21Y115/10
Filed: 2021-07-07
Granted: 2022-08-18
Abstract: An energy harvester using electromagnetic induction is disclosed. The energy harvester comprises: a case in which an internal space is prepared; a coil wound on an outer surface of the case; a first magnet disposed in the inner space of the case and fixed to a lower surface of the inner space; and a second magnet disposed in the inner space of the case, wherein the second magnet vertically moves by a repulsive force with the first magnet and an external force.
Patent KR-102567946-B1 (KR)
Title: 선박의 누출 암모니아 관리시스템
IPC: B63B25/16
Filed: 2021-07-28
Granted: 2023-08-17
Abstract: 선박의 누출 암모니아 관리시스템이 개시된다. 본 실시 예에 의한 선박의 누출 암모니아 관리시스템은 암모니아를 저장하는 저장탱크; 및 저장탱크의 하측에 배치되고 저장탱크에서 누출되는 암모니아를 포집하는 수용부가 마련되는 드립 트레이;를 포함하고, 드립 트레이는 암모니아를 중화시키는 중화제가 마련되어 제공될 수 있다.
Patent KR-102540480-B1 (KR)
IPC: G01N3/08
Filed: 2021-08-30
Granted: 2023-06-07
Abstract: 차량의 패널부품용 강성시험장치가 개시된다. 본 발명의 일 실시 예에 따른 차량의 패널부품용 강성시험장치는 차량의 조립된 패널부품의 인장력 또는 가압력을 시험하기 위한 강성시험장치로서, 상기 패널부품에 연결되는 센서부, 상기 센서부가 탈,부착 가능하게 장착되고, 상기 센서부에 의해 센싱되는 값을 송출하는 압력측정부, 상기 압력측정부가 장착되고, 상기 센서부를 상기 압력측정부와 함께, 상기 패널부품에 대하여 전,후진 작동시키는 제1구동부, 상기 제1구동부가 장착되고, 상기 제1구동부를 상기 패널부품에 대하여 전진 작동시켜 상기 센서부를 상기 패널부품에 연결시키는 제2구동부, 및 상기 제2구동부가 장착되고, 일정각도로 회전 작동하는 회전부를 포함한다.
Patent KR-102599246-B1 (KR)
IPC: B23K37/04
Filed: 2021-08-31
Granted: 2023-11-08
Abstract: 본 발명은 컨테이너 선박의 셀가이드를 용접하는데 활용되는 지그기구에 있어서: 상기 셀가이드의 지지를 위한 제1기준면(21)과 제2기준면(22)을 갖춘 메인부재(20); 상기 메인부재(20)에 중심핀(28)을 개재하여 회동 가능하게 연결되고, 셀가이드의 지지를 위한 제1기준면(31)과 제2기준면(32)을 갖춘 서브부재(30); 및 상기 메인부재(20)와 상기 서브부재(30) 중의 적어도 어느 하나에 셀가이드의 유동을 단속하도록 개재되는 가압부재;를 포함하는 것을 특징으로 한다. 
이에 따라, 컨테이너 선박을 건조하는 현장에 적용함에 있어서 셀가이드의 간격을 정확하게 유지하는 작업을 편리하고 신속하게 수행하도록 조력하므로 품질과 생산성을 향상하는 효과가 있다.
Patent KR-102393967-B1 (KR)
Title: Prestressing module and production method thereof
Inventor: KANG THOMAS HYUN KOO
IPC: E04G21/12
Filed: 2021-09-01
Granted: 2022-05-03
Abstract: The present invention relates to a prestressing module which is installed in a ferroconcrete member with prestress introduced in a stress transfer sheath unit to introduce prestress in the ferroconcrete member, is able to freely control the scope and timing for introducing prestress, and does not need to perform an on-site tension work. According to the present invention, the prestressing module embedded and installed in the ferroconcrete member to introduce prestress, comprises: a tension material introducing tensile force; a plate-shaped temporary insulation plate engaged with the middle part of the tension material and having an insertion groove, into which the tension material is inserted, on one side thereof; stress transfer sheath units placed on both sides of the temporary insulation plate to surround the outer side of the tension material, and receiving prestress introduced therein by the tensile force of the tension material; and a soft blocking material inserted into the insertion groove of the temporary insulation plate and filling the space on an upper side of the tension material.
Patent KR-102370751-B1 (KR)
Title: Twin cooker with prefabricated hinge assembly
Inventor: KWON HYUK
IPC: A47J27/00
Filed: 2021-09-17
Granted: 2022-03-04
Abstract: To achieve the purpose, the present invention relates to a twin cooker with a prefabricated hinge assembly capable of providing a pair of heaters which are spaced inside a main body with an opened upper part and are independently heated by electrical energy; inserting a pair of cooking containers into the heaters to be detachable; providing a pair of covers to independently open and close each of the cooking containers in an upper part of the main body; and being used as an electric rice cooker or an electric cooker in which each cover is combined with the main body to be rotatable by a hinge assembly. The hinge assembly comprises: a fixing frame; a hinge shaft; a coil spring; and a cover plate. The fixing frame integrally protrudes toward an upper side in one side of an upper boundary of the main body having the same height, and includes a square box shape with an opened one side toward the outer side of the main body. The hinge shaft is inserted into one side of a cover to be detachable at a position corresponding to the fixing frame. The coil spring provides elastic force to elastically rotate the cover from the main body by allowing one end to be inserted into one side of the cover and allowing the other end to be inserted into one side of the fixing frame in a state of being inserted into the hinge shaft. The cover plate is inserted into opened one side of the fixing frame to be selectively detached by a hook method.
Patent KR-102424388-B1 (KR)
Title: Filter press washing apparatus moving together with filter plate
Inventor: PARK JUNG PIL
IPC: B01D25/38
Filed: 2021-10-07
Granted: 2022-07-22
Abstract: A filter press cleaning apparatus interlocking with opening of a filter plate according to the present invention is to be installed on a filter press having a towing car for opening filter plates in closed states. The filter press cleaning apparatus interlocking with opening of a filter plate comprises: a transfer bogie which is supported to be slidable on a rail for a transfer bogie installed on a frame of the filter press to be extended in a longitudinal direction from a left and a right side of the filter plates, and has a lifting element lifting a cleaning water injection pipe for injecting cleaning water to a filter cloth between filter plates opened by a towing car; and a coupling element which couples the transfer bogie to the towing car such that the transfer bogie always can move together with the towing car in the longitudinal direction. A roller assembly is provided on a part where the transfer bogie is supported to be slidable on the rail for the transfer bogie. In addition, the roller assembly comprises: a roller housing coupled to a lower end of the transfer bogie and having an open lower surface; an upper rotation shaft having a left and a right end fixed to the roller housing; an upper roller rotatably coupled to the upper rotation shaft, exposed to the open lower surface, and rolling on an upper surface of the rail for the transfer bogie; and a bearing interposed between the upper rotation shaft and the upper roller to be concealed by the upper roller between a left and a right end of the upper roller. The filter press cleaning apparatus can reciprocate without a collision.
Patent KR-102362038-B1 (KR)
Inventor: KIM JONG CHAN
IPC: H04N5/70
Filed: 2021-10-27
Granted: 2022-02-14
Abstract: The present invention relates to a film screening screen device for train vehicles. The transmission of vibrations generated during a train operation to an LED screen is minimized. Thus, a screen device failure is prevented, and the satisfaction of movie watching by train passengers is improved. The present invention for realizing this provides a screen device configured in the center of a cabin of a train vehicle (100) to provide a movie screening service, and comprises: a screen body (10) in which LED screens (11, 12) on which an image is implemented are provided in a symmetrical form on the front and back, respectively; a speaker (20) configured under the screen body (10); and a damper (30) configured under the speaker (20) to reduce transmission of train floor vibration to the speaker (20) and the screen body (10).