baber/WOPTO huggingface dataset:
Patent KR-20100100173-A (KR)
Title: Air packing hundred formation
Inventor: HAM SEOUNG HUN
IPC: B29C65/18
Filed: 2009-03-05
Abstract: PURPOSE: An air packing bag forming apparatus is provided to continuously maintain packing state, since an adjacent air chamber is not damaged though a single air chamber is damaged by external shock. CONSTITUTION: An air packing bag forming apparatus(100) comprises an air hole cutting unit(40), first and second structure room molding units(50,50'), an outer rim forming unit(50"), an unit product bonding part(60), and an unit product cutting unit(80). A pair of inner film rolls are pressed to an idle roller(11). The air hole cutting unit cuts the surface of the film at fixed intervals. A welding mold unit(51) and a cooling mold unit(52) are composed as one set in a first structure room molding unit. A film is inserted into the second structure room molding unit and an outer rim forming unit.
Patent KR-20100100348-A (KR)
Title: Steel lattice girder for shotcrete lining having connecting member
Inventor: KIM DONG GYOU
IPC: E21D11/18
Filed: 2009-03-06
Abstract: PURPOSE: A steel lattice girder, which reinforces or supports the excavation surface of a tunnel, and a coupler for the same are provided to improve workability by reducing the weight of an H-steel support material. CONSTITUTION: A steel lattice girder comprises a first bar contact part, a second bar contact part, a third bar contact part, a first slope, and a second declined part. The first bar contact part is combined with a first bar(11). The second and the third bar contact part are combined with a second bar(12) and a third bar(13) at the first bar contact part. Two first slopes interlink with the first bar contact part and the second bar contact part at a tilt. The second declined part interlinks with the first bar contact part and the third bar contact part at a tilt.
Patent KR-20090098718-A (KR)
Title: Treatment method of voc gas
Inventor: NAKAMURA SHINICHI
IPC: B01D47/02
Filed: 2009-03-12
Abstract: A method for processing VOC gas is provided to offer excellent efficiency capturing a volatile organic compound among the gas, and to process the VOC gas efficiently while reducing COD by oxidizing the volatile organic compound in a uniformly dispersed state. A method for processing VOC gas includes the following steps of: capturing a volatile organic compound among the gas with water in which water-soluble organic solvent having lipophilic property is dissolved; processing the water-soluble organic solvent having lipophilic property in water containing polyvinyl alcohol; and processing the solvent in water containing amphiphilic solvent of aprotic and/or amphiphilic solvent of protonic. The water-soluble organic solvent having lipophilic property has volatility property. A processing device of the VOC gas includes a booth(1), a scrubber chamber(5), a spraying column(10) etc.
Patent KR-20100104712-A (KR)
Title: The steamed bun gather marine products & the bun's skin use cuttlefish's ink
Inventor: BAE KI HO
IPC: A23L7/10
Filed: 2009-03-17
Abstract: PURPOSE: A dumpling skin using a cuttlefish ink, a dumpling filing using mixed seafood, and manufacturing methods thereof are provided to use sea foods for manufacturing a dumpling for improving the functionality of the dumpling. CONSTITUTION: A manufacturing method of a dumpling skin using a cuttlefish ink comprises the following steps: seasoning the cuttlefish ink with salt; and aging for 1 day and kneading with flour to make the dumpling skin. A manufacturing method of dumpling filing using mixed seafood comprises the following steps: slicing and mincing fishes and algae including the cuttlefish, clam meat, laminaria japonica, brown seaweed, laver, and green laver; and forming the dumpling filing.
Patent KR-20100106077-A (KR)
Title: Portable electronic device and control method thereof
Inventor: LEE CHANG HOON
IPC: G11B20/10
Filed: 2009-03-23
Abstract: PURPOSE: A portable electronic device and a control method thereof are provided to make touch input on the accurate position by maximizing touch areas for selecting menus. CONSTITUTION: A portable electronic device comprises a storage part(10), a menu composition part(20), an input-output part(30), and a controller(40). The storage part stores information about the last operation content of each of a plurality of applications. The menu composition part creates a main menu including the last operation content using the information stored in the storage part. The input-output part indicates the main menu created by the menu composition area and receives touch input by a user. The controller begins the execution of an application from the last operation part when the application is selected by the user input.
Patent KR-20100106117-A (KR)
Title: Method for manufacturing multi-layer antenna
Inventor: SHIN YOUNG WOO
IPC: H01Q13/08
Filed: 2009-03-23
Abstract: PURPOSE: A method for manufacturing a multi-layer antenna is provided to maximize the performance of an antenna by expanding a contact connection combining member to an available space. CONSTITUTION: An antenna pattern layer(20) and first and second contact layers(21,22) are formed on a plastic projectile product(10). A coating layer(30) is formed on the antenna pattern layer. A plurality of contact pieces are formed in the same direction as a plate-antenna body. A contact piece is extended in vertical direction to the formation of the contact piece. The contact piece is contacted with the first and second contact layer.
Patent KR-20100110433-A (KR)
Title: A prefabricated type booth for pet animal
Inventor: CHOE WAN GEUN
IPC: A01K1/03
Filed: 2009-04-03
Abstract: PURPOSE: A booth for breeding pets is provided, which can improve breeding environment by maximizing an internal space and facilitates assembly. CONSTITUTION: A booth for breeding pets comprises: a booth main body(10) in which an internal space for breeding a pet is formed; a rotary case(20) for a play which is rotatably installed in the upper layer of the booth main body; a first guide tube which is guided to the rotary case from the floor side of the booth inner part of the main body; and an upper lid(60) which is combined with the upper part of the booth main body to facilitate separation and cleaning of the rotary case.
Patent KR-20100111820-A (KR)
Title: Automated screw machine
Inventor: CHUNG HO YEON
IPC: B23Q7/05
Filed: 2009-04-08
Abstract: PURPOSE: An automatic annular screw machine is provided to automatically perform a screw process by supplying a huge amount of rods to form threads automatically. CONSTITUTION: An automatic annular screw machine comprises a loading box(11), a secondary transfer system(12a), an alignment unit(13), an alignment cylinder(14), a workpiece tray, a push unit, a pressure cylinder, an upper roller and a screw device. A loading box has a fixed slope in order to rotate a rod. The secondary transfer system pushes the rod up toward the top of the loading box. The alignment unit pushes the round rod toward one end of the secondary transfer system. The workpiece tray stops a processed product which comes along an inclined bottom(33). The push unit pushes the processed product toward a preset direction.
Patent KR-20100111902-A (KR)
Inventor: KIM HAK SU
IPC: B21F45/02
Filed: 2009-04-08
Abstract: 본 발명의 옷걸이 제조장치용 철사 공급장치(20)는 프레임(300)에 고정되고 소정의 간격을 유지하면서 중앙으로 철사(100)가 관통할 수 있도록 구멍이 형성된 한 쌍의 관통부재(2, 3), 상기 하부의 관통부재(3) 아래쪽에 고정되어 일체로 형성된 깔때기 부재(4), 및 상기 상부의 관통부재(2)를 통과한 철사가 원활하게 공급되도록 프레임에 조립되어 자유롭게 회전하는 아이들러 롤러(1)로 이루어지는 것을 그 특징으로 한다. 철사(100)가 지나가는 아이들러 롤러(1)의 외부쪽으로 보호 카바(5)가 더 설치되어, 철사가 이탈되는 것을 방지할 수 있다. 아이들러 롤러는 철사가 원활히 공급되도록 오목홈의 형상을 갖는 것이 바람직하다. 
       
     옷걸이, 철사 공급장치, 철사, 관통부재, 깔때기 부재, 아이들러 롤러
Patent KR-20100115248-A (KR)
Title: Burner and cooking appliance
Inventor: RYU JUNG WAN
IPC: F24C3/02
Filed: 2009-04-17
Abstract: PURPOSE: A burner and a cooker are provided to rapidly heat food, since flame is generated on the inner and outer portions of the burning unit and the area of the flame is increased. CONSTITUTION: A burner(500) comprises a feed unit(510), and a burning unit(520). The feed unit supplies mixed gas of the air and gas. The burning unit connected to the supply unit receives the mixed gas, wherein the mixed gas is burnt while flowing inside. The burning unit is formed into a round shape so that the outer shape thereof may form a loop. The feed unit is horizontally extended from the burning unit. The burning unit is formed into the circular or ellipse shape.
Patent KR-20100115890-A (KR)
Inventor: HAN BYOUNG HEE
IPC: H01L29/78
Filed: 2009-04-21
Abstract: 본 발명은 새들형 핀 트랜지스터에서 채널 길이 및 채널 폭을 증가시켜 새들형 핀 트랜지스터의 특성을 개선하고 소자 특성을 향상시킬 수 있는 반도체 소자의 제조방법을 개시한다. 개시된 본 발명에 따른 반도체 소자의 제조방법은, 활성영역 및 소자분리막을 포함하는 반도체 기판 상에 상기 활성영역 및 소자분리막의 게이트 형성영역을 각각 식각하여 제1홈을 형성하는 단계와, 상기 제1홈에 의해 노출된 상기 소자분리막을 선택적으로 식각하는 단계 및 상기 제1홈에 의해 노출된 상기 활성영역 부분의 상단부를 식각하여 상기 제1홈과 연결되며 상기 제1홈보다 넓은 폭을 갖는 제2홈을 형성하는 단계를 포함한다.
Patent KR-20100116717-A (KR)
Inventor: LEE YOUNG SUN
IPC: A61L15/46
Filed: 2009-04-23
Abstract: PURPOSE: A sanitary napkin for female is provided, which helps circulation of blood and exhaustion of impure physiological fluid and keeps clean state. CONSTITUTION: A sanitary napkin for female comprises: a fabric bag(2) in which an adhesive layer(3) attached to the inner surface of the sanitary napkin or underwear(1) is formed in the outside; and a sterilization and deodorizing agent(4) inserted inside the fabric bag. The sterilization and deodorizing agent includes: micanite powder 30-40 wt.% shattered into 1500-3000 mesh; Jeju volcano stone powder 10-20 wt.% and hardwood charcoal powder 10-20 wt.%; and zeolite powder 10-20 wt.% and the Artemisia princeps powder 15-25 wt.%.
Patent KR-20100118460-A (KR)
Title: 오존 발생장치를 구비하는 수처리시스템에 있어서 폐질소가스를 이용한 관련기기 보호장치
Inventor: KIM WON GI
IPC: C02F1/78
Filed: 2009-04-28
Abstract: 본 발명은 제어반(10), 산소발생기(20), 오존발생기(30)를 구비하는 오존을 이용한 수처리시스템에 있어서, 상기 제어반(10), 산소발생기(20), 오존발생기(30)를 각각 케이스(11,21,31)로 밀폐시키고 상기 케이스(11,21,31)들을 산소발생기(20)의 질소가스배출관(40)과 배관(41)에 의해 각각 연결되도록 하고, 상기 산소발생기(20)에서 발생하는 질소가스를 각 배관(41)을 통해 제어반 케이스(11), 산소발생기 케이스(21), 오존발생기 케이스(31)에 공급할 수 있도록 구성되어진 오존 발생장치를 구비하는 수처리시스템에 있어서 폐질소가스를 이용한 관련기기 보호장치를 제공하기 위한 것으로, 본 발명은 수처리시스템 자체에서 발생하는 질소가스를 폐기하지 않고 재활용하도록 하여 부식방지가 필수적인 제어반, 산소발생기, 오존발생기 등으로 이루어지는 수처리기기의 케이스 내부에 공급함으로써 고가의 비용이 소요되는 별도의 질소가스 발생기나 질소가스 탱크에 의하지 않고도 기기의 부식을 방지할 수 있는 매우 유용한 발명인 것이다. 
       
     오존, 수처리, 질소, 기기보호
Patent KR-20100118725-A (KR)
Title: Uni-directional light emitting diode drive circuit in bi-directional divided power impedance
Inventor: YANG TAI HER
IPC: H05B37/02
Filed: 2009-04-29
Abstract: PURPOSE: A uni-directional LED driver circuit from bidirectional electric energy impedance divided power is provided to reduce power consumption by driving an LED with a unipolar capacitor. CONSTITUTION: A uni-directional LED driver circuit(U100) comprises a first impedance(Z101), a second impedance(Z102), a rectifying device(BR101), and a bidirectional electric conductance LED set(L100). The first impedance includes at least one unit among a capacitive impedance unit, an inductive impedance unit, or a resistive impedance unit. The second impedance includes at least one unit among the capacitive impedance unit, the inductive impedance unit, or the resistive impedance unit.
Patent KR-20100120748-A (KR)
Title: 청소용 테이프 클리너
Inventor: AN JEUNG SEOP
IPC: A47L25/08
Filed: 2009-05-07
Abstract: 본 발명은 카페트나 옷, 이불 등에 묻은 머리카락이나 먼지를 깨끗하게 청소할 수 있는 테이프 클리너에 관한 것으로,  
     본체(1)의 전방부가 개방되고, 양 측벽(2) 사이에 내부에 테이프롤러(4)와 결합 된 제1기어(13), 권취롤러(5)가 결합된 제2기어(15), 이들을 회전방향을 동일한 방향으로 회전시키기 위한 연결기어(14)가 구비되어, 테이프롤러(4)에 권취 된 접착테이프(T)가 권취롤러(5)로 권취되면서 이물질을 흡착하도록 된 테이프 클리너에 있어서, 상기 본체(1)의 측벽(2)에 권취롤러(5)를 삽입할 수 있는 크기를 가진 삽입공(3)과, 상기 삽입공(3)에 결합하여 테이프롤러(4)를 회동 가능하게 고정하는 밀폐캡(6)과, 상기 본체(1)의 후방 중앙에 손잡이(20)를 형성하되, 이 손잡이(20)에 장봉(24)를 연결하는 장봉결합공(21)을 형성하여, 장봉(24)를 착탈 가능하게 결합하도록 구성한 테이프클리너를 제공하여, 본체의 측면에서 테이프가 권취된 롤러를 교체하여 장착할 수 있으므로 누구나 간편하게 사용할 수 있는 특징을 제공하는 것이다. 
       
     테이프롤러, 권취롤러, 삽입공, 밀폐캡, 장봉결합공
Patent KR-20100123347-A (KR)
Title: System and method for providing mobile shopping mall service
Inventor: LEE JAE HUN
IPC: G06Q30/06
Filed: 2009-05-15
Abstract: PURPOSE: A system and a method for providing a mobile shopping mall service are provided to enable a user to purchase a product at a short time by searching the products proper to the purpose of the user after analyzing comment information. CONSTITUTION: A keyword extractor(210) allocates weighted values in keyword. In consideration of the allocated weighted values, the keyword extractor extracts plural keywords including first and second keywords. By using the extracted first and second keywords, a comment searcher(220) searches comments from a comment DB(230). A product identifier(240) identifies the product information associated with the searched comment.
Patent KR-20100124532-A (KR)
Title: Data processing apparatus and method
Inventor: HA IN WOO
IPC: G06F17/16
Filed: 2009-05-19
Abstract: PURPOSE: A data processing apparatus and a method thereof are provided to calculate the whole operation by sensing the movements of points when capturing motions. CONSTITUTION: A processing unit(120) randomly assigns a plurality of input data to clusters. A calculation unit(130) uses the regression analysis to calculate the transformation matrix coping with clusters. The calculation unit calculates the return value applying transformation matrixes to the first data allocated to first cluster. The processing unit assigns the first data based on the return value to the second cluster.
Patent KR-20090068310-A (KR)
Inventor: KIM JUNG SHIN
IPC: A23B4/00
Filed: 2009-05-30
Abstract: A canned food with a disposable double boiler is provided to properly heat food offhandedly if it necessary such that a user is capable of eating the heated food and to cook subsidiary food such as soup makings at the same time. An opened end portion(52) surrounding an upper end opening(31) of a canned food(1) is formed as a rim(35). A cooked food article is embedded in a cylindrical body in which a wall body(12) brought into contact with the rim is formed in a vertical or inwardly inclined direction. The canned food has a hole(5) which is formed in an inner side of the body and has a volume larger than that of a cylindrical body of the canned food. A double boiler(2) is provided as a container body in which an opening end(52) of the opening that is communicated with the hole. A lid(9) has a perforated groove(90) into which a bottom body of the double boiler is coersively inserted. An inner end(96) of a horizontal wall body(95) of the lid is coercively fitted onto the outer surface of a double boiler wall body(22). A lower end portion of the double boiler wall body and a lower end portion(97) of a lid wall body(92) are laid on a horizontal line.
Patent KR-20100133618-A (KR)
Title: The page buffer of non volatile memory device and method for verifying programming thereof
Inventor: HUH HWANG
IPC: G11C16/06
Filed: 2009-06-12
Abstract: PURPOSE: A page buffer of a non volatile memory device and a method for verifying programming thereof are provided to reduce a time of a program verification operation by verifying the distribution of adjacent threshold voltage through one verification voltage. CONSTITUTION: Sensing units(130A,130B) are connected between a bit line and a sense node. The sensing unit precharges the bit line with different electric potential. A MUX unit(120) outputs a page buffer sensing signal of a first or a second potential level. Flag latches(180,190) temporarily stores program data. The flag latch outputs the control signal to the MUX unit. A main latch(160) senses the potential of bit lien to perform verification operation.
Patent KR-20100134417-A (KR)
Inventor: LEE BYOUNG HOON
IPC: H01L21/027
Filed: 2009-06-15
Abstract: 본 발명은 반도체 소자의 오버레이 버니어 형성 방법을 개시한다. 
     본 발명은 이중 패터닝 기술(Double Patterning Technology)을 이용하여 이중 스택 스토리지노드(Double Stack Storage Node)를 형성시, 하부 구조물을 형성시 사용했던 2개의 마스크를 상부 구조물을 형성시 다시 사용하고 오버레이 측정 방법을 개선함으로써 적층된 구조물의 오버레이와 이중 패터닝된 패턴의 얼라인을 모두 측정할 수 있도록 해준다.
Patent KR-20100135371-A (KR)
Title: Dustbin
Inventor: KOO BYONG CHUL
IPC: B65F1/16
Filed: 2009-06-17
Abstract: PURPOSE: A trash can with a pedal is provided to reduce the installation space because the pedal is kept folded in normal times and opened when necessary. CONSTITUTION: A trash can comprises a container(10) which is formed of plastic in a cylindrical shape, a pedal(20) which is inserted in the container to be pressed by a user outside of the container, a shaft(30) which is connected to the pedal, a supporting plate(50), a pin(40) which connects the supporting plate and the pedal, and a lid(60) which is inserted to the top of the container.
Patent KR-20110000361-A (KR)
Title: Substrate treating apparatus
Inventor: RYU SUN JOONG
IPC: H01L21/302
Filed: 2009-06-26
Abstract: PURPOSE: A substrate processing device is provided to remarkably reduce the scale of facilities. CONSTITUTION: A drug part(10) processes drug in a substrate(20). A washing part(11) injects a washing solution in a substrate where the drug is processed. A liquid part(12) eliminates the washing solution from the substrate where the washing solution is processed. A dry part(13) desiccates the washing solution remaining in the substrate. The drug part, the washing part, the liquid part, and the dry part comprise a first or a fourth gate way(50,51,52,53).
Patent KR-20100009486-A (KR)
Title: Base sheet for optical sheet and method for manufacturing optical sheet
Inventor: OSAMURA KEIICHI
IPC: G02B5/02
Filed: 2009-07-10
Abstract: PURPOSE: A base sheet for an optical sheet and an optical sheet manufacturing method are provided to improve productivity and work efficiency by performing a laminating process in the same production line as base film forming and drawing processes. CONSTITUTION: A method for manufacturing a base sheet for an optical sheet comprising a transparent base film and a sticking prevention layer laminated on one side of the base film comprises a base film forming process for forming a base film extrusion out of thermoplastic resin using a T die(STP1), a pre-drawing process for previously drawing the base film extrusion(STP2), a laminating process for laminating a sticking prevention layer on one side of the base film extrusion(STP3), and a drawing process for drawing the laminate(STP4).
Patent KR-20110008474-A (KR)
Inventor: ROH HEE RA
IPC: H01L21/60
Filed: 2009-07-20
Abstract: 본 발명은 금속 와이어(Metal wire)를 이용한 도금 공정을 통해 관통 전극을 형성한 반도체 패키지 및 그의 제조방법을 개시한다. 개시된 본 발명에 따른 반도체 패키지의 제조방법은, 반도체 칩의 전면(前面)에 비아를 형성하는 단계; 상기 비아 표면을 포함한 반도체 칩의 전면 상에 씨드막을 형성하는 단계; 상기 표면에 씨드막이 형성된 비아의 내부에 상기 씨드막과 이격되게 금속 와이어를 삽입하는 단계; 상기 금속 와이어가 삽입된 비아가 매립되도록 금속막을 도금하는 단계; 상기 반도체 칩 전면 상의 씨드막 부분 및 비아 내에 매립되지 않은 금속 와이어 부분을 제거하여 상기 비아 내에 관통 전극을 형성하는 단계; 및 상기 반도체 칩의 후면(後面)을 백-그라인딩하여 상기 관통 전극을 노출시키는 단계;를 포함한다.
Patent KR-20110010298-A (KR)
Title: Opening and closing apparatus for sliding door
Inventor: KIM KI YOUNG
IPC: E05F15/10
Filed: 2009-07-24
Abstract: PURPOSE: A sliding door opening and closing apparatus is provided to reduce load and noise applied on a drive motor, enable the automatic sliding of the door, and improve durability. CONSTITUTION: A sliding door opening and closing apparatus(100) comprises a door assembly and an operating unit. The door assembly opens and closes doors between both support walls since the multiple doors(101,102,103) are slid to be spread or folded. The operating unit is installed in a central door to slide adjacent doors.
Patent KR-20110016206-A (KR)
Title: Inorganic electroluminescent display
Inventor: JEON JIN HWAN
IPC: H05B33/26
Filed: 2009-08-11
Abstract: PURPOSE: An inorganic electroluminescent display is provided to simplify the configuration of a switch unit by using a switch element having low internal withstanding voltage. CONSTITUTION: A plurality of pixels are defined in a substrate. An inorganic electroluminescence device(101) is formed in each pixel. The inorganic electroluminescence device comprises a first electrode(101a), a light-emitting layer(101c) and a second electrode(101e) An AC input(102) applies AC voltage to the second electrode. A switching unit(103) controls the inorganic electroluminescence device. The switching unit is interposed between the first electrode of the inorganic electroluminescence device and the ground.
Patent KR-20110017104-A (KR)
Title: Method for increasing production of cloned canids
Inventor: HWANG WOO SUK
IPC: C12N5/16
Filed: 2009-08-13
Abstract: PURPOSE: A method for reproducing canine is provided to enhance replication efficiency and to preserve canine. CONSTITUTION: A method for preparing nucleus-transplanted canine comprises: a step of enucleating from an egg of canine; a step of isolating somatic cells from canine tissue for preparing donor cells; and a step of injecting the donor cells to the enucleated eggs and performing electrofusion. The donor cells are cultured by isolating from a tissue and culturing for 1-5 days.
Patent KR-20090107449-A (KR)
Title: Method for Handling Settlement Admission for Application Value Using Gateway
Inventor: KIM KI JUNG
IPC: G06Q40/02
Filed: 2009-08-21
Abstract: PURPOSE: A method of handling settlement admission for an application value using a gateway is provided to supply a double discount benefit by applying a value corresponding to each kind of discount coupon issued by each kind of member shop in the case of card payment. CONSTITUTION: A method of handling settlement admission for an application value using a gateway comprises the steps of: storing and managing the card information of a client; receiving a full text for value conformation from a terminal; firstly confirming member shop information and the card information; secondly confirming voucher value information connected to the confirmed card information; confirming whether or not the member shop information is related to the member shop designated by a voucher issue agent; extracting and transmitting usable voucher value information to a terminal; and changing the amount of card use payment of a client into the voucher applicable amount in a terminal.
Patent KR-20110021442-A (KR)
Title: Needle plate and feed dog assembly for prevention of seam puckering
Inventor: JANG KEE HWAN
IPC: D05B27/00
Filed: 2009-08-26
Abstract: PURPOSE: An assembly of throat plate and feed dog is provided to prevent seam puckering of thin fabric. CONSTITUTION: An assembly comprises a throat plate(10) and feed dog(20). The throat plate and feed dog transfers a fabric in one direction. The feed dog has teeth formed on the upper side of the feed dog and guide plate which is flat. The throat plate comprises a throat plate body(12) and elastic member(14). The throat plate body has an opening.
Patent KR-20110026577-A (KR)
Title: Retracting apparatus of a sliding door
Inventor: PARK MYOUNG KYU
IPC: E05F5/06
Filed: 2009-09-08
Abstract: PURPOSE: A retracting device of a sliding door is provided to keep a door open in a desire angle and to automatically close the door after the fixed distance door closing operation. CONSTITUTION: A retracting device of a sliding door comprises a catching member(15) and a retracting member(19). The catch member is fixed to an end part(14) of a rail(1) and is combined with the retracting device to be connected with a driving member formed in the retracting member. The retracting member is attached to one side of a roller(9) and moves according to the movement of a sliding door. The retracting member is connected with the driving member in a longitudinal direction. The driving member is detachably combined with the catching member.