baber/WOPTO huggingface dataset:
Patent KR-102277299-B1 (KR)
Title: Air purifier using water filter
Inventor: KIM JIN YEONG
IPC: B01D47/02
Filed: 2021-04-13
Granted: 2021-07-13
Abstract: An air purifier in accordance with the present invention comprises: a main body having a water storage room included inside to store water, having an inlet formed at one side to inhale air, and having an outlet formed at the other side to exhaust air from the water storage room; an air blowing unit install in the main body to inhale air through the inlet and blow the air to the water storage room; and a spray tube having a flow path included inside to pass the air blown from the air blowing unit, having a spray hole formed at one side to spray the air passing the flow path, arranged in the water storage room to be able to move, and having buoyancy to float on the water stored in the water storage room. The spray tube descends to be at least partially submerged in the water stored in the water storage room by the pressure of the air blown from the air blowing unit and sprays the air, which is blown from the air blowing unit, into the water through the spray hole.
Patent KR-102478649-B1 (KR)
IPC: G01B5/10
Filed: 2021-04-28
Granted: 2022-12-16
Abstract: 본 발명은 내, 외경 측정장치에 관한 발명으로, 승강부(110)에 의해 상, 하 승강하여 회전하는 링형 피측정물의 외경 및 내경을 측정하도록 구비하는 외경측정유닛(120) 및 내경측정유닛(130)과, 외경측정유닛(120) 및 내경측정유닛(130)과 연동하여 피측정물의 내, 외경 사이의 편차를 산출하는 편차측정자(140)와, 링형 피측정물을 안착하고 회전시키도록 구비하는 세팅유닛(150)을 포함하고, 외경측정유닛(120)은, 피측정물의 외측에서 회전하는 피측정물의 외주면에 작용하도록 구비하는 외측지지부(121)와, 외측지지부(121)와 연동하여 회전하는 피측정물의 외경을 측정하고 제어부에 전송하는 외경측정자(126)를 포함하고, 내경측정유닛(130)은, 피측정물의 내부에 삽입하고 회전하는 피측정물의 내주면에 작용하도록 구비하는 내측지지부(131)와, 내측지지부(131)와 연동하여 회전하는 피측정물의 내경을 측정하고 제어부에 전송하는 내경측정자(136)를 포함하여 구성함에 따라 링형 부품을 회전시키면서 내경 및 외경과 편차를 동시에 보다 정확하게 측정할 수 있는 것이 특징이다.
Patent KR-102320034-B1 (KR)
Title: Wiring protector and wiring protecting structure using surplus wiring
IPC: B60R21/013
Filed: 2021-04-29
Granted: 2021-11-01
Abstract: The present invention relates to a wiring protector using surplus wiring. In accordance with the present invention, the wiring protector using the surplus wiring comprises: a first housing; and a second housing separably engaged with the first housing, and having a plurality of winding guides formed on the inner circumferential surface, with which the surplus wiring is wound. The surplus wiring is a part of a wiring to be protected connected to a front collision sensor installed in a vehicle body on a front side of a vehicle by the medium of a grommet. In accordance with the present invention, the surplus wiring is applied to at least some sections of the wiring to be protected, which connects a control means controlling an airbag to the front collision sensor, and when a collision accident or the like occurs to a vehicle, the disconnection of the wiring to be protected can be prevented, and the safety of a passenger in the vehicle can be secured.
Patent KR-102341631-B1 (KR)
Title: High-yield extraction method of paederosidic acid from Paederia scandens with microbubbles and cosmetic composition for improving skin barrier or moisturizing with paederosidic acid
Inventor: PARK MI HEE
IPC: A61K8/60
Filed: 2021-05-13
Granted: 2021-12-23
Abstract: The present invention relates to a method for extracting an active ingredient in high yield using microbubbles. More specifically, the present invention provides a composition for strengthening skin barrier or moisturizing skin by extracting paederosidic acid from Paederia scandens in high yield using microbubbles generated under optimal extraction conditions using the response surface methodology (RSM).
Patent KR-102313918-B1 (KR)
Title: Synchronization method of 3D data and 2D image, and computer program recorded on record-medium for executing method thereof
Inventor: KIM WON SUCK
IPC: H04N13/398
Filed: 2021-05-14
Granted: 2021-10-18
Abstract: Proposed is a method for synchronizing three-dimensional data acquired by a lidar and a two-dimensional image photographed by a camera. The method can comprise: a step in which an annotation device specifies an object from a three-dimensional point group data acquired through a lidar fixed on a vehicle for making an artificial intelligence (AI), which is available for the autonomous driving of the vehicle, learn; a step in which the annotation device specifies the same object as the above object from a two-dimensional image photographed at the same time as that of the three-dimensional point group data through a camera fixed on the same vehicle as that with the lidar installed; and a step in which the annotation device controls the position or the size of a three-dimensional bounding box set in the three-dimensional point group data for specifying the object, or the position or the size of a two-dimensional bounding box set in the two-dimensional image for specifying the object so that the object specified from the three-dimensional point group data and the object specified from the two-dimensional image can correspond to each other.
Patent KR-102365057-B1 (KR)
Inventor: SIM MICHAEL
IPC: B65B3/04
Filed: 2021-05-17
Granted: 2022-02-17
Abstract: The present invention relates to a water balloon which can be filled with a water, comprising: a connection pipe (20) for supplying a fluid by connecting to a faucet or lake; a semi-circular cap (30) which is coupled to an outlet side of the connection pipe (20) and wherein a plurality of radially vertical holes (34) are formed on a semi-circular plate (33); a vertical pipe (40) having an upper outer diameter fixed to each of the vertical holes (34); a balloon (50) into which an inlet is fitted at a lower end portion of each vertical pipe (40); and an elastic string (52) fixing the inlet of the balloon (50) to the vertical pipe (40), and having an elastic force to block the inlet of the balloon (50) when the balloon (50) is filled with the fluid and then separated from the vertical pipe (40). An objective of the present invention is to provide the water balloon which can be used by filling the water for easy storage and movement.
Patent KR-102363990-B1 (KR)
Title: 항산화 효과가 증진된 노다지 청국장 및 그 제조방법
IPC: C12N1/20
Filed: 2021-05-27
Granted: 2022-02-17
Abstract: 본 발명은 콩류는 물론 귀리까지도 발효시켜 제조된 항산화 활성과 기호성이 현저히 증진된 청국장 및 그 제조방법을 개시한다. 본 발명에서 사용된 신규 바실러스 서브틸리스 엔지제이-002와 엔디제이-006( Bacillus subtilis  NDJ-002 KCCM12379P 및  B. subtilis  NDJ-006 KCCM12380P) 균주는 포항노다지마을(주)가 자체 분리, 동정한 것으로 전분분해효소, 단백질분해효소 및 혈전용해효소 활성이 우수하며 청국장 제조 후 점질물의 생산, 혈전용해활성 및 항산화 활성이 우수한 균주로서, 상기 균주를 상기 두류는 물론 귀리를 재료로 청국장을 제조할 수 있는 효과가 있고 동 균주들로 제조된 청국장은 청국장 특유의 냄새가 제거되어 기호성이 증진될 뿐만 아니라, 혈전용해효소, 점질물질의 생산 및 항산화 활성이 특히 우수한 청국장을 얻을 수 있는 뛰어난 효과가 있다.
Patent KR-102555859-B1 (KR)
IPC: A61C13/00
Filed: 2021-05-28
Granted: 2023-07-14
Abstract: 본 발명은 비정질의 유리 매트릭스 내에 결정상을 포함하는 글라스 세라믹 블록으로, 결정상은 주결정상이 리튬 디실리케이트이고, 추가 결정상이 존재하지 않으며, 결정상의 크기가 평균입경 0.01 내지 1.0㎛이고, 결정화도가 25 내지 45%인 절삭가공을 위한 치과용 벌크 블록을 개시하는바, 이는 굴곡강도가 높은 고강도인 가공소체(workpiece)인 상태에서 CAD/CAM 등과 같은 절삭가공시 가공성을 개선할 수 있어 공구저항성 및 마모율을 감소시키고 공구수명을 증가시킬 수 있으며, 가공시 변연부 치핑을 감소시킬 수 있으며, 블록을 기계가공하고 후열처리 조건을 달리하는 간이한 공정을 통해 각기 다른 투명성을 갖는 치아 수복물로 제조할 수 있음에 따라 다양한 shade를 구현할 수 있게 됨으로써 물류 관리 간소화에 기여할 수 있는 잇점이 있다.
Patent KR-102473104-B1 (KR)
Inventor: LEE DAE YOUNG
IPC: F24F1/0038
Filed: 2021-05-31
Granted: 2022-12-02
Abstract: An air conditioning system comprises: a housing including at least one inlet through which air is introduced, and at least one outlet through which air is discharged to the outside; an air blower located in the housing, and forming a flow of the air moving in a direction from the at least one inlet to the at least one outlet; a sensor measuring a change in pressure or a flow rate of the air in the housing; and a control unit electrically connected to the air blower and the sensor, and controlling an electrical signal applied to the air blower. The control unit can generate a load curve of the air conditioning system based on a measurement result of the sensor and a characteristic curve of the air blower when at least two different voltages are applied to the air blower, calculate a total static pressure loss corresponding to a design air volume based on the load curve of the air conditioning system, and calculate a set voltage value of the air blower based on the characteristic curve of the air blower, the design air volume and the calculated total static pressure loss. Therefore, the present invention is capable of reducing installation costs and shortening installation time.
Patent KR-102377722-B1 (KR)
Inventor: PARK JONG MIN
IPC: B05B13/02
Filed: 2021-06-03
Granted: 2022-03-24
Abstract: The present invention relates to a method of coating an eco-friendly buoy. More particularly, the present invention relates to a method of coating an eco-friendly buoy which reduces fine plastics due to deterioration of Styrofoam and plastics while maintaining existing buoyancy and reduces attaching of seaweed and shellfish when manufacturing buoys. The method of coating an eco-friendly buoy for coating a buoy (1) hung on each hanger (11) installed at a moving rail (10) of a polyurea coating device to be moved with coating liquid, comprises: spraying polyuria coating liquid on a buoy (1) hung on the hanger (11) to be moved by a first coating part (20) having a plurality of spray nozzles longitudinally installed therein upward, downward, leftward, and rightward to primarily coat coating liquid on the buoy (1); drying the buoy (1) from the first coating part (20) by a low temperature dryer (30) at 20-30℃; spraying polyuria coating liquid on the buoy (1) from a low temperature dryer (30) in a second coating part (40) having plurality of spray nozzles longitudinally installed therein upward, downward, leftward and rightward to secondarily coat coating liquid on the buoy (1); drying the buoy (1) from the second coating part (40) by a high temperature dryer (50) at 70-80℃; and separating the buoy (1) in which the coating liquid is dried through the high temperature dryer from the hanger, to move the buoy (1) to an outlet part (60) positioning the buoy (1) on a conveyor belt so that the buoy is discharged.
Patent KR-102367283-B1 (KR)
Inventor: HEE JOUNG MOO
IPC: G06Q20/12
Filed: 2021-06-08
Granted: 2022-02-24
Abstract: The present invention relates to a method for phishing prevention when issuing a mobile gift card. The method for phishing prevention comprises: a step of receiving a gift card purchase intention of a user; a step of requesting payment for a gift card in accordance with the purchase intention; a step of providing a related person other than a user registered in the server with first notification information before sending a gift card after the payment is completed; a step of sending authentication page information for the use of the gift card to a terminal of the user after providing the first notification information; and a step of requesting user authentication through a connection of the authentication page before using the sent gift card. According to the present invention, phishing is prevented when issuing and using a mobile gift card, and the gift card can be safely issued and used. The present invention can also conveniently issue a mobile gift card if the mobile gift card is directly used or used as a gift and prevent phishing through authentication when using the mobile gift card.
Patent KR-102462500-B1 (KR)
Title: Building in which multi-robots autonomously driving confined area of building are disposed
Inventor: YOON YOUNGHWAN
IPC: B25J9/16
Filed: 2021-06-14
Granted: 2022-11-03
Abstract: Provided is a method for controlling a robot. In a space where robots autonomously navigate, a designated area that the robots must pass through is identified, i) the robot is controlled to pass through the designated area through a first point defined within the designated area, or ii) the robot is controlled to pass through the designated area in a designated area driving mode by triggering the designated area driving mode of the robot so that each of a plurality of robots can sequentially pass through the designated area.
Patent KR-102365243-B1 (KR)
Inventor: KIM NAM YEON
IPC: B66C19/00
Filed: 2021-06-18
Granted: 2022-02-23
Abstract: The present invention relates to a ground locking device for a crane installed in a trench that is formed to be depressed lower than the ground to one side of a rail installed on the ground of a pier where a ship docks in order to load or unload container cargo. According to the present invention, the ground locking device for a crane comprises: a post being a plate-shaped body having a predetermined thickness, in which a connection hole passing through the left and right is formed near an upper end, and a plurality of fitting holes are formed in the vicinity of a lower end; a plurality of locking rods inserted into the fitting hole and protruding to the left and right of the post; and a reinforcing plate having a plurality of insertion holes formed corresponding to the locking rod, fitted to the locking rod, and fixedly connected to the left and right surfaces of the post to be spaced apart. The locking rod and the reinforcing plate are installed to be embedded in an excavation hole formed in the trench.
Patent KR-102569062-B1 (KR)
IPC: B23P19/027
Filed: 2021-07-01
Granted: 2023-08-24
Abstract: 본 발명은 항공기 수평꼬리날개의 피봇샤프트에 부싱을 장착시키는 부싱 조립장치 및 조립방법에 대한 것으로서, 더욱 상세하게는 항공기 꼬리날개의 피봇샤프트의 일단 및 타단에 부싱을 장착시키는 조립장치 및 조립방법에 대한 것이다. 
본 발명에 따른 부싱 조립장치는 거치수단과, 한 쌍의 삽입수단을 포함한다. 상기 거치수단은 비행기 꼬리날개의 피봇샤프트를 수직으로 거치시킨다. 상기 한 쌍의 삽입수단은 상기 거치수단에 거치된 상기 피봇샤프트의 일단 또는 타단을 삽입시킬 부싱을 파지하여 가열하기 위한 지그를 구비하여, 상기 지그에서 파지된 부싱에 상기 피봇샤프트의 일단 또는 타단을 삽입시킨다. 
또한, 상기의 부싱 조립장치에 있어서, 상기 지그는 파지부와, 지지부와, 가열부를 구비하는 것이 바람직하다. 상기 파지부는 상기 부싱에 삽입되는 상기 피봇샤프트의 일단 또는 타단이 관통하여 삽입될 수 있게 상기 부싱을 수용하여 상기 부싱의 외경을 탄성적으로 가압하여 파지한다. 상기 지지부는 상기 부싱에 삽입되는 상기 피봇샤프트의 일단 또는 타단이 관통하여 삽입될 수 있게 상기 파지부에 파지된 부싱의 일단을 지지한다. 상기 가열부는 상기 파지부에 파지된 상기 부싱을 가열한다. 
본 발명에 의하면, 지그가 부싱을 파지하여 가열한 후 가이드바가 하강하면 부싱에 피봇샤프트가 끼워진다. 그래서 작업자의 수작업을 배제하여 작업자의 안전을 도모하며, 부싱이 피봇샤프트에 조립이 불가능한 상황을 미연에 방지하고 수평꼬리날개 피봇샤프트에 서로 다른 규격을 갖는 부싱을 각각 정확한 위치에 용이하고 신속하게 장착할 수 있다.
Patent KR-102533620-B1 (KR)
IPC: B44C1/22
Filed: 2021-07-02
Granted: 2023-05-17
Abstract: 본 발명은 장식문양이 인각된 목재패널의 제조방법 및 이에 의해 제조된 목재패널에 관한 것이다. 
본 발명에 따른 장식문양이 인각된 목재패널의 제조방법은 목재를 준비한 후 일정한 크기로 절단하는 목재 준비 단계(S100); 상기 절단된 목재의 표면에 일정한 문양의 홈을 인각하는 목재 인각 단계(S200); 상기 목재 표면의 인각된 홈에 금속분말 혼합물을 충진하는 금속분말 충진 단계(S300); 상기 목재 표면의 홈에 충진된 금속분말 혼합물을 건조하여 경화하는 경화 단계(S400); 및 상기 목재 표면의 홈에 충진되어 경화된 금속분말 혼합물의 표면을 연마하는 표면 샌딩 단계(S500)를 포함한다. 
상기한 구성에 의해 본 발명에 따른 장식문양이 인각된 목재패널의 제조방법은 안내판, 메뉴판 또는 장식판으로 사용되는 목재패널 등 각종 원목제품 전반에 장식문양을 인각하여 형성함으로써, 고급스럽고 입체적인 심미감을 느낄 수 있으며 다양한 형태의 장식문양과 미려함을 제공할 수 있는 목재패널을 제조할 수 있다.
Patent KR-102537258-B1 (KR)
IPC: G06F40/263
Filed: 2021-07-08
Granted: 2023-05-26
Abstract: 본 출원은 다국어 시멘틱 표현 모델의 훈련 방법, 장치, 전자 기기 및 기록 매체를 개시하며 특히 인공 지능의 자연어 처리 분야에 기반한다. 구체적인 구현 방안은: 복수 종류 언어를 포함하는 복수개 훈련 언어 자료를 이용하여 다국어 시멘틱 표현 모델을 훈련하여 다국어 시멘틱 표현 모델로 하여금 각종 언어의 시멘틱 표현 능력을 학습하도록 하며; 복수개 훈련 언어 자료 중 각각의 훈련 언어 자료에 대하여 대응되는 혼성 언어 언어 자료를 생성하며 혼성 언어 언어 자료에 적어도 두 가지 언어의 언어 자료를 포함하며; 각각의 혼성 언어 언어 자료 및 대응되는 훈련 언어 자료를 이용하여 다국어 시멘틱 표현 모델을 훈련하여 다국어 시멘틱 표현 모델로 하여금 서로 다른 언어의 시멘틱 정렬 정보를 학습하도록 한다. 본 출원의 기술 방안은 다국어 시멘틱 표현 모델로 하여금 언어 사이의 시멘틱 정렬 정보를 사용하지 않는 것을 학습하도록 하여, 추가로 상기 다국어 시멘틱 표현 모델에 기반하여 서로 다른 언어 사이의 시멘틱 인터랙티브를 구현할 수 있으며 매우 실용적이다.
Patent KR-102325970-B1 (KR)
Title: Method and apparatus for calculating fat mass using images of head and neck
IPC: A61B5/00
Filed: 2021-07-09
Granted: 2021-11-16
Abstract: The application relates to a method for calculating a fat mass and a device therefor. According to an embodiment of the present disclosure, a method for calculating a fat mass includes the steps of: acquiring an image group including a plurality of two-dimensional images generated corresponding to a continuous volume of user's head and neck; generating first image information from which at least a part of a brain region is removed from the image group by inputting the image group into a learned first network function; generating second image information obtained by detecting a fat region from the first image information by inputting the first image information into a learned second network function; and calculating the fat mass in the head and neck region from the second image information.
Patent KR-102383652-B1 (KR)
Inventor: PARK JAE YONG
IPC: G06Q20/38
Filed: 2021-07-09
Granted: 2022-04-08
Abstract: The present invention relates to a system for providing a promise proof service, which includes: a user terminal selecting one promise category from simple promise, general promise, and electronic contract, responding to a query pre-mapped and stored in the promise category, and then receiving an automatically generated electronic contract; a counterpart terminal receiving the automatically generated electronic contract from the user terminal; and a proof service providing server including a generating unit generating at least one promise category among simple promise, general promise, and electronic contract, a query management unit defining a query dataset for automatically generating an electronic contract in the at least one promise category, a storage unit databasing a template of the electronic contract to be generated in the at least one promise category, and a promise proof unit automatically generating the electronic contract by automatically inserting a promise data response from the user terminal into the template of the electronic contract and then sending the contract to the user terminal and the counterpart terminal.
Patent KR-102336918-B1 (KR)
Title: Water bottle
Inventor: CHOI KYUNG JIB
IPC: B65D77/02
Filed: 2021-07-26
Granted: 2021-12-08
Abstract: The present invention relates to a stackable water bottle container for storage and conveyance and more specifically, a water bottle container in which a support portion and a support groove that are fitted to each other are formed in a storage container where a water bottle body and a lid are stored, respectively, in order to stand and pile mineral water bottles, in particular, bottles with protruding top openings, on top of one another when storing and conveying the mineral water bottles, and thus making it possible to vertically stack the water bottles having a structure that is difficult to stack, store and convey the same in the stacked state. To this end, the stackable water bottle container for storage and conveyance according to the present invention comprises: a water bottle body including a body part, and an opening part protruding from the center of an upper surface of the body part; a storage container including a storage part having a bottom portion and a sidewall portion to accommodate the water bottle body, and a support part extending to a lower portion of the sidewall portion; and a lid detachably attached to an opening of the top surface of the storage part having a support groove in which the support part of another storage container is inserted and supported.
Patent KR-102425609-B1 (KR)
Title: Method for providing manpower based on manpower demand prediction and apparatus for performing the method
Inventor: JEONG HYEON HO
IPC: G06Q10/06
Filed: 2021-07-26
Granted: 2022-07-27
Abstract: The present invention relates to a method for providing manpower based on manpower demand prediction and a device for performing the method. The method for providing manpower based on manpower demand prediction includes the steps of: predicting manpower demand by industry by a manpower demand prediction device; and performing workplace manpower judgment for individual workplace manpower management. Therefore, it is possible to effectively arrange the necessary manpower according to the nature of the workplace by effectively managing the manpower at the workplace.
Patent KR-102423823-B1 (KR)
Inventor: JANG SUCK HO
IPC: A63B102/32
Filed: 2021-08-04
Granted: 2022-07-20
Abstract: The present invention relates to a golf club cleaning device, and more particularly, to a golf club cleaning device having a detachable cleaning unit that can clean a golf club head and easily be replaced when used for a long time. The golf club cleaning device comprises: a body part including a convex gripping part protruding convexly for gripping, a concave gripping part curved and concave at a bottom of the convex gripping part and expanding toward a lower side so that the fingers can be seated to give the gripping force of the hand, a flat plate connection part integrally formed under the concave gripping part and having a bottom surface made of a flat plate, and a Velcro tape attached to a bottom surface of the flat plate connection part; and a detachable cleaning part including a corresponding Velcro tape to which the Velcro tape can be attached and a cleaning part to which the corresponding Velcro tape is attached.
Patent KR-102403513-B1 (KR)
Inventor: HAN DAE GON
IPC: F24F8/108
Filed: 2021-08-04
Granted: 2022-05-30
Abstract: The present invention relates to an air purifier for a multi-use facility. A housing comprises: an inlet sucking external air therein; and an outlet discharging the air passing the inside of the housing to the outside of the housing. A blower is disposed inside the housing to suck the external air from the inlet to the inside of the housing to blow the air to the outlet. A ceramic filter is installed in a duct inside the housing to filter fine dust in the air while the air passes the filter by the blower. An air heater heats the sucked air to sterilize the air while the heated air passes the ceramic filter. A controller controls the blower and the air heater according to a setting mode.
Patent KR-102471835-B1 (KR)
Title: 테스트핸들러용 인서트
IPC: G01R31/28
Filed: 2021-09-15
Granted: 2022-11-30
Abstract: 본 발명은 전자부품이 적재될 수 있는 적재공간을 가지는 테스트핸들러용 인서트에 관한 것이다. 
본 발명에 따른 테스트핸들러용 인서트는 적재공간을 가지는 본체의 임의적인 유동을 억제할 수 있는 유동 억제기를 포함한다. 
본 발명에 따르면 수발광 센서에 의한 전자부품의 잔류 여부에 대한 확인 작업의 정확성이 향상되고, 의도하지 않은 외력에 의한 충격을 완충시킴으로써 전자부품의 이탈 개연성을 최소화시킨다.
Patent KR-102618053-B1 (KR)
IPC: B66C1/28
Filed: 2021-09-16
Granted: 2023-12-22
Abstract: 본 발명은, 상단에 걸고리가 장착된 한 쌍의 걸이후크를 중첩시키고 중첩된 수직선상의 하단을 축으로 연결시키되, 상기 걸이후크를 경사지지부의 상측에 만곡걸이부가 형성되고 경사지지부의 하측에 수평파지부가 형성된 "∠"형걸이후크로 형성하고, 각 "∠"형걸이후크의 경사지지부와 수평파지부가 서로 접속되는 모서리에는 긴작동축공을 수직선상으로 형성하며, 중첩되어 연통되는 "∠"형걸이후크의 긴작동축공에는 축을 연결설치한 것을 특징으로 하는 케이블 드럼 운반용 후크를 제공한다.  본 발명은, 케이블 드럼 운반용 후크를 케이블권취드럼의 원판에 뚫어진 중앙축공에 용이하게 걸어줄 수 있고, 운반용 끈으로 들어올렸을 때에 운반용 끈의 장력이 증가할수록 걸이후크가 증가하는 장력에 비례하여 결속력도 강화시킬 수 있으며, 각 걸이후크의 수평파지부가 케이블권취드럼을 형성하는 원판의 내면과 면접촉하여 접촉면적을 넓게 유지하여 줌으로써 케이블이 원판을 손상시키지 않으면서 권취된 중량의 케이블드럼을 용이하게 이동(운반)시킬 수 있으며, 수평파지부의 상면(면접촉부)에 삼각돌기를 형성하여 케이블권취드럼을 걸이후크로 걸어 이동(운반)시킬 때에 걸이후크가 원판의 내면에서 슬립 되는 현상과 안전사고가 발생하는 현상을 방지할 수 있다.
Patent KR-102497935-B1 (KR)
Inventor: KIM HYUN JU
IPC: G09B19/08
Filed: 2021-09-24
Granted: 2023-02-09
Abstract: The technical objective of the present invention is to provide a Chinese grammar learning tool capable of adding fun to a Chinese grammar learning process for a Chinese learner by completing a sentence easily and quickly while learning such that the Chinese learner can continuously learn Chinese grammar as much as possible without giving up halfway. To this end, the Chinese grammar learning tool according to the present invention is a Chinese grammar learning tool for completing a Chinese sentence, and comprises: a word order arrangement unit for assigning different position identification indexes to positions corresponding to sentence components forming the Chinese sentence and arranging the respective sentence components by a word order; and a card set displaying an identification image corresponding to each digit identification index so as to be arranged through the word order arrangement unit by the word order, and including word cards each having a word corresponding to each sentence component.