baber/WOPTO huggingface dataset:
Patent KR-20120128892-A (KR)
Title: Frame Grabber
IPC: H04N5/44
Filed: 2011-05-18
Abstract: PURPOSE: A frame grabber is provided to prevent degradation of a specific memory and a storage processing unit due to concentration of load about a specific memory and a storage processing unit. CONSTITUTION: A control unit(20) includes a memory usage amount generating unit(22) and a memory priority determining unit(23). When image data is inputted from a first video device connection port, the control unit connects an image memory having the highest priority of image memories which are not connected to the first image device through a storage processing unit(19). [Reference numerals] (11) Device memory; (12a) ADC; (12b) Separator; (13) Detector; (14) Input image frame detector; (15) Image memory; (16) Connection switching unit; (17) Multiplexer; (20) Control unit; (201) First image device; (202) Second image device; (21) Period generating unit; (22) Memory usage amount generating unit; (23) Memory priority determining unit
Patent KR-20120129272-A (KR)
Title: Solar cell and method of manufacturing the same
IPC: H01L31/042
Filed: 2011-05-19
Abstract: PURPOSE: A solar cell and a method for manufacturing the same are provided to implement a solar cell of high efficiency by reducing reflectivity generated by a double reflection preventing film. CONSTITUTION: A base substrate(10) includes a first surface and a second surface facing the first surface. The base substrate includes a doped layer formed on the first surface. A first passivation layer(200) is formed on the doped layer of the base substrate. A first electrode(610) is formed on a first capping layer. A second electrode(620) is formed on the second surface of the base substrate.
Patent KR-20120133763-A (KR)
IPC: B01D15/00
Filed: 2011-06-01
Abstract: PURPOSE: An apparatus for purifying water in an aquarium is provided to quickly purify water by having large surface areas of three kinds of filtering materials which touches water. CONSTITUTION: An apparatus for purifying water comprises a cable(14), a motor(13), an exhaust hole(11), an air inlet(12), a filtering unit(20), and a water inlet(22). The electric code supplies electricity to a motor part of the water purifying apparatus. The motor supplies water to the filtering unit and drains water from the filtering unit. The exhaust hole exhausts purified water by being connected to a motor part. The air inlet flows in the external air by being connected to the exhaust hole. The filtering unit purifies contaminants by being connected to the motor. The water inlet receives polluted water which is dipped in a side of the filtering unit.
Patent KR-20120134783-A (KR)
Title: Valve structure of shock absorber
Inventor: YU CHUN SUNG
IPC: F16F9/34
Filed: 2011-06-03
Abstract: PURPOSE: A valve structure of a shock absorber is provided to gradually open a flow path by a reciprocating speed becoming faster and to reduce a blow-off, thereby improving the comfort ride and steering stability. CONSTITUTION: A valve structure of a shock absorber comprises a shock absorber(100), a main piston valve assembly(200), and an auxiliary piston valve assembly(300). The shock absorber comprises a cylinder(110) and a piston rod(120). The cylinder is charged with a working fluid. The piston rod is embedded in the cylinder, thereby reciprocating along a longitudinal direction of the cylinder. The main piston assembly is mounted in one side of the piston rod, thereby dividing the cylinder into an upper chamber(111) and a lower chamber(112). The main piston assembly is interlocked to the reciprocating motion of the piston rod and opened/closed depending on a reciprocating speed of the piston rod, thereby varying damping force. The auxiliary piston assembly is opened/closed with the main piston valve assembly depending on the reciprocating speed of the piston, thereby varying the damping force. The auxiliary piston assembly is mounted in the other end of the piston rod.
Patent KR-20120137773-A (KR)
Title: Sensor for detecting the concentration of chlorophyll-a contained phytoplankton
Inventor: BYUN YOUNG TAE
IPC: G01N33/483
Filed: 2011-06-13
Abstract: PURPOSE: A sensor for measuring concentration of chlorophyll-a which is included in underwater plant plankton is provided to detect fluorescence quantity with a photo detection part comprising two photo detectors, thereby being effective in easily measuring a micro signal . CONSTITUTION: A sensor for measuring concentration of chlorophyll-a included in underwater plant plankton comprises a light emitting part, a sample part, a first sensor part, and a second sensor part. The light emitting part provides light to be absorbed in chlorophyll-a. The chlorophyll-a is included in underwater plant plankton. The light emitted from the light emitting part passes through the sample part. The first sensor part measures the quantity of light which is absorbed in chlorophyll-a by passing through the sample part. The second sensor part measures the quantity of fluorescence which is emitted from plant plankton in the sample part. [Reference numerals] (AA) Motor; (BB) Wiper; (CC) LED; (DD) PD[λ=680nm] fluorescence detector; (EE) PD[λ460nm] light absorption detector
Patent KR-20120137857-A (KR)
Title: Air guide device
Inventor: CHO WAN JE
IPC: B62D25/08
Filed: 2011-06-13
Abstract: PURPOSE: An air guide device is provided to prevent deformation with obtaining rigidity according to an enough number of mounted air guiders by mounting the air guiders on a support cross-section of a heat exchanger. CONSTITUTION: An air guide device(10) comprises a side air guider(20) and a distributing air guider(30). The side air guider collects driving wind, flowing into a front part of an engine room, to a heat exchanger(2). A heat exchanger with radiators(3,4) is installed in the engine room. The distributing air guide is longitudinally mounted at multiple positions along the width of the heat exchanger. The distributing air guider guides the driving wind to the heat exchanger to increase a wind distributing performance. The side air guider collects the driving wind flowing into a radiator grill installed in the front of the engine room. The distributing air guider guides the driving wind flowing into a bumper part from the lower part of the radiator grill.
Patent KR-20110140086-A (KR)
Title: Image blur correction apparatus and imaging apparatus
Inventor: NAKAYAMA TATSUYUKI
IPC: G03B3/10
Filed: 2011-06-16
Abstract: PURPOSE: An image shaking correcting device and an image taking device are provided to enable the minimization of a device due to the decrease of a space to arrange first and second actuators. CONSTITUTION: An image shaking correcting device(1) comprises a fixing member(2), a first diver(3), a second driver(4), a first actuator and a second actuator. The first driver is rotatably supported by the fixing member around a first support shaft extended in parallel to an optical axis. The second driver holds lens(20) or an image taking element. The second driver is rotatably supported by the first driver around a second support shaft extended in parallel to the optical axis. The first actuator generates thrust rotating the first and second drivers around the first support shaft. The second actuator generates thrust rotating the second driver around the second support shaft.
Patent KR-20130000843-A (KR)
Title: Apparatus of gathering sample
Inventor: LEE JIN HO
IPC: G01N1/04
Filed: 2011-06-24
Abstract: PURPOSE: A sample collecting device is provided to stably fix a sample by using a fixing member with divided fixing units and to prevent impurities from being mixed to the collected chip sample. CONSTITUTION: A sample collecting device(200) comprises a fixing member(150) and a collection container(40). The fixing member has at least two fixing units(80,100) which are faced to each other. A sample(40) is arranged in between the two fixing units. Clamping units protruded from inner surfaces of the fixing units are in contact with the sample, thereby fixing the sample. The collection container is arranged in the lower part of the fixing member.
Patent KR-20130003428-A (KR)
Title: 수치지도의 품질확보를 위한 정위치 편집 방법
Inventor: KIM HYOUNG JOON
IPC: G06T17/05
Filed: 2011-06-30
Abstract: 본 발명은 정위치 편집하기 전에 작업자 인증을 수행하여 인증된 작업자별로 미리 저장되어 있은 오류가 많은 속성 입력을 작업 화면에 표시하여 동일한 도화 데이터의 정위치 편집의 경우에도 작업자마다 서로 다른 작업 화면을 표시하여 속성 입력 시에 작업자별 반복되는 오류 발생률을 제거하여 수치지도의 품질확보를 위한 정위치 편집 장치 및 방법을 제공하기 위한 것으로서, 정위치 편집을 수행하는 적어도 2개 이상의 작업자 단말기와 유무선 통신망을 통해 연결되어, 상기 작업자 단말기로 입력되는 작업자를 인증하고, 인증된 작업자별 발생된 오류의 횟수 정도에 따라 정위치 편집 영역이 하이라이트로 표시된 도화 데이터를 작업자 단말기로 제공하는 정위치 편집 서버에서, (A) 수치지도 제작을 위해 측량지도, 항공사진, 위성영상 중 어느 하나를 디지타이징(digitizing)이나 스캐닝(scanning)을 통해 제작된 도화 데이터 및 작업자별로 정위치 편집시에 발생시킨 속성 종류 및 오류 횟수를 포함하는 오류 정보를 저장하는 단계와, (B) 작업자 단말기를 통해 도화 데이터의 정위치 편집을 수행하고자 하는 작업자가 작업자 단말기에 표시된 인증창을 통해 미리 표시된 숫자 및/또는 문자로 구성된 적어도 2개 이상의 고유코드 중 적어도 하나를 선택하고, 선택된 고유코드를 기반으로 적어도 하나 이상의 작업자를 인증하는 단계와, (C) 저장부에 미리 저장되어 있는 도화 데이터의 도화 리스트를 작업자 단말기에 제공하고, 상기 도화 리스트를 검색하여 상기 인증된 작업자가 선택한 도화 데이터 및 상기 인증된 작업자가 정위치 편집시에 발생시킨 오류 종류 및 오류 횟수를 포함하는 오류 정보를 저장부에서 검출하는 단계와, (D) 상기 검출된 인증된 작업자의 오류 정보를 기반으로 상기 검출된 도화 데이터에서 오류가 발생되었던 정위치 편집 영역에 색상, 밝기, 두께, 음영 중 적어도 하나 이상을 이용한 하이라이트 효과를 삽입하는 단계와, (E) 하이라이트 효과가 삽입된 도화 데이터를 작업자 단말기로 제공하는 단계를 포함하여 이루어지는데 있다.
Patent KR-20120058386-A (KR)
Title: Protective film and adhesive tape using the same
Inventor: AN CHANG DUK
IPC: B32B7/12
Filed: 2011-07-05
Abstract: PURPOSE: A protection film is provided to have excellent processability and to prevent the increase of fraction defective. CONSTITUTION: A protection film comprises: a first film layer comprising a polyethylene terephthalate resin; a first adhesive layer on the first filmy layer; and a second film layer containing at least one of a polyethylene resin and a poly vinyl chloride resin on the first adhesive layer. The thickness of the first film layer is 10-40% based on total thickness of the protection film.
Patent KR-20130005607-A (KR)
Title: Constant pressure type exhaust brake
Inventor: JUNG SUNG CHIL
IPC: F02D9/06
Filed: 2011-07-07
Abstract: PURPOSE: A static pressure-type of an exhaust brake is provided to prevent a decrease in back pressure performance caused by a gap generated when a valve closes as an exhaust hole is closed without clearances. CONSTITUTION: A static pressure-type of an exhaust brake(100) comprises a housing and a blocking plate(140). The housing is connected to an exhaust pipe to form an exhaust passage. The blocking plate is placed at one side of the exhaust passage in the housing. One end of the blocking plate rotates around the housing in order that the blocking plate opens and closes the exhaust passage. The blocking plate is rotationally installed not to be fitted in the exhaust passage when the exhaust passage opens and closes.
Patent KR-20130009003-A (KR)
Title: Dye-sensitized solar cell including gel-type electrolyte, and preparing method of the same
Inventor: MOON JUN HYUK
IPC: H01L31/04
Filed: 2011-07-14
Abstract: PURPOSE: A dye-sensitized solar cell including a gel type electrolyte and a manufacturing method are provided to improve the efficiency of energy conversion by using a photoelectrode including porous transition metal oxide. CONSTITUTION: A photoelectrode includes porous transition metal oxide and photosensitive dye. The porous transition metal oxide includes a first transition metal oxide(30) having a first pore(25). The photosensitive dye is absorbed to the porous transition metal oxide. A counter electrode faces the photoelectrode. Gel type electrolyte is formed between the photoelectrode and the counter electrode.
Patent KR-20130009031-A (KR)
Title: A humidifier for fuel cell
Inventor: KIM HYUN YOO
IPC: F24F6/00
Filed: 2011-07-14
Abstract: PURPOSE: A humidifier for fuel cells is provided to enhance humidification efficiencies by directly spraying moisture to dried air. CONSTITUTION: A humidifier for fuel cells comprises housing(101) which includes a first outlet, one or more second inlets in which dried air is discharged and one or more second outlets in which wet air is inflowed, a hollow fiber membrane module in which a plurality of hollow fiber membranes inside the housing to absorb moisture included in wet air through the second inlet and humidify the dry air, and a nozzle unit(200) which is equipped to spray water at the entrance of the housing.
Patent KR-20130005202-A (KR)
Title: Gasket for coupling muffler with stopper
Inventor: LEE JONG SEON
IPC: F16J15/08
Filed: 2011-07-25
Abstract: PURPOSE: A gasket for coupling a muffler with a stopper is provided to simplify assembly process and to reduce the production costs of a stopper. CONSTITUTION: A gasket for coupling a muffler comprises a stopper(240) for preventing the sag of a bead due to pressurization. The gasket comprises an upper plate, a middle plate, and a lower plate. The upper plate comprises a top plane portion, a downward inclined portion extended from the top plane portion, and a lower plane portion extended from the downward inclined portion. The middle plate comprises a lower plane portion in parallel to the top plane portion of the upper plate, an upward inclined portion extended the lower plane portion, and the top plane portion extended from the upward inclined portion to meet the downward inclined portion of the upper plate. The lower plate comprises a top plane portion, a downward inclined portion, and a lower plane portion extended from the downward inclined portion in parallel to the top plane portion of the middle plate.
Patent KR-20120014871-A (KR)
Title: Photoelectric conversion element and method for manufacturing same
Inventor: YAMADA YASUHIRO
IPC: H01L31/18
Filed: 2011-08-03
Abstract: PURPOSE: A photoelectric conversion element and a manufacturing method thereof is provided to prevent the generation of a crack by including a corner part which is contactless with a first semiconductor layer, on a third semiconductor layer. CONSTITUTION: A first semiconductor layer(14) is prepared in a selected section of on a substrate. A second semiconductor layer is placed to face the first semiconductor layer. A third semiconductor layer(16) substantially shows intrinsic conductivity. The third semiconductor layer is included between the first and second semiconductor layer. The third semiconductor layer has at least one contactless corner which is contactless with the first semiconductor layer.
Patent KR-20130015653-A (KR)
Title: Led lighting device with structure of heat sink having high heat disspation
Inventor: KIM YOUNG IL
IPC: F21V29/00
Filed: 2011-08-04
Abstract: PURPOSE: An LED lamp with a heat sink structure for maximizing heat dissipation is provided to increase a contact area with air by efficiently arranging a heat radiation pins in the LED lamp. CONSTITUTION: An LED lamp body mounts an LED device. The LED device is connected to a PCB. A housing(11) surrounds the outside of a light emitting direction of the LED device. A main heat radiation unit(10) regularly arranges a plurality of curved pins(12). The curved pin has different curvatures in a vertical surface and a horizontal surface.
Patent KR-20130016620-A (KR)
Title: 3d process management method for bim(building information modeling)
Inventor: LEE MIN HYOUNG
IPC: G06Q50/08
Filed: 2011-08-08
Abstract: PURPOSE: A 3D process management method for implementing building information modeling(BIM) is provided to connect a 2D process plan to a 3D model, thereby implementing visual BIM. CONSTITUTION: Construction and plan progress data is constructed by using a tact planner application(1). A construction object building is implemented as the whole 3D model by using an archiCAD application(2). Information inputted in a construction and plan progress data step is connected to the 3D model(3). Real progress data is constructed corresponding to progress of construction(4). Simulation is performed by comparing planed progress with real progress(5). [Reference numerals] (1) Construction and plan progress data constructing step; (2) 3D modeling step; (3) 3D modeling information link step; (4) Real progress data constructing step; (5) Simulation step
Patent KR-20130017117-A (KR)
Title: 친환경 다공성 황토아미노산 비료의 제조방법
Inventor: RYU JAE SEOK
IPC: C05F15/00
Filed: 2011-08-10
Abstract: 본 발명은 비료의 3대 요소인 질소, 인산, 칼리 및 칼슘, 마그네슘, 유황, 붕소, 염소, 철, 망간, 아연, 구리, 몰리브덴 등 미량원소와 아미노산을 함유한 친환경 다공성 황토아미노산비료의 제조방법에 관한 것으로서, 황토에 분쇄한 동물의 뼈와 톱밥을 섞고 물로 반죽한 다음 압출기를 이용해 1～8mm 알갱이 형태로 만들고 이를 고온에서 소성하여 분쇄한 동물의 뼈와 톱밥이 타고 난 자리에 잔여물인 칼륨과 인 성분을 함유하고 있는 작은 구멍들을 형성시키고, 닭털이나 오리털, 누에고치 등을 염기성수산화칼슘, 인산칼슘, 수산화칼륨 등의 수용액에서 가수분해 시킨 후 황산, 유기산, 과일산으로 중화시킨 것에 철, 망간, 마그네슘, 유황, 아연, 구리 등 미량원소를 첨가하고 이를 위 황토패럿에 분사/흡착시킨 후 건조하여 시비효과가 오래 지속되는 완효성 친환경 다공성 황토이미노산 비료를 제공하는 것이다.
Patent KR-20120022629-A (KR)
Title: Synthetic method of olivine cathod material for lithium secondary battery
Inventor: CHON UONG
IPC: H01M4/58
Filed: 2011-08-12
Abstract: PURPOSE: A manufacturing method of olivine-based positive electrode material is provided to remarkably reduce the number of complex processes and to obtain a uniform olivine-based positive electrode material without synthetic process of lithium hydroxide or lithium carbonate. CONSTITUTION: A manufacturing method of olivine-based positive electrode material comprises a step of dissolving iron supply material, lithium phosphate and phosphoric acid-containing material into acid; a step of forming chelate polymer by adding a chelating agent and a polymerization aide to the solution, and heating the mixture; a step of heating and decomposing the chelate polymer in reduction atmosphere; and a step of reduction heat treating the decomposed chelate polymer in reduction atmosphere.
Patent KR-20130021864-A (KR)
Title: Memristor device including resistance random access memory and method of manufacturing the same
Inventor: KIM EUN KYU
IPC: H01L27/15
Filed: 2011-08-24
Abstract: PURPOSE: A memristor device and a manufacturing method thereof are provided to simultaneously implement a resistor property, a memory property, and a diode property in one cell by using a schottky diode and a resistance change memory with various resistance switching properties. CONSTITUTION: A bottom electrode(200) is formed on a substrate. A resistance change semiconductor layer(300) has a resistance change memory region and a diode region. An insulation layer(500) is formed in the resistance change memory region of the resistance change semiconductor layer. A quantum dot(400) is formed in the insulation layer. A top electrode forms a metal oxide layer by reacting on the insulation layer. A metal electrode(700) is formed in the diode region of the resistance change semiconductor layer. [Reference numerals] (Circuit11) Second ReRAM; (Circuit12) Fourth ReRAM; (Circuit3) First or third ReRAM
Patent KR-20110103923-A (KR)
Inventor: LEE IN HWAN
IPC: E01C11/24
Filed: 2011-08-31
Abstract: 본 발명은 우수정화기능을 가진 보도블록에 관한 것으로, 더 상세하게 설명하면 보도블록에 우수정화기능이 탁월한 화산석과 맥반석을 혼합하여 제조함으로써, 우천시 우수가 블록을 투수하여 지중으로 배수될 때, 우수에 포함된 폐수를 정화시켜 수질이 개선되도록 한 것을 특징으로 하는 보도블록에 관한 것이다. 
이에 본 발명은 전체두께 중 83~88% 두께의 하부층(1)과 12~17% 두께의 표면층(2)을 가지되, 상기 표면층(2)은 골재 78%에 물 22%의 전체중량 중, 골재가 0.3mm~0.8mm 입자크기의 화산석 18%와, 1.2mm~2.5mm 입자크기의 맥반석 18%와, 1~2mm 입자크기의 모래 20%와, 3mm 입자크기의 규사 18%와, 포틀랜트시멘트 25%와, 혼화제 1%를 혼합하고, 상기 하부층(1)은 골재 78%에 물 22%의 전체중량 중, 골재가 2mm~4mm 입자크기의 화산석 28%와, 5mm~6mm 입자크기의 맥반석 28%와, 1~2mm 입자크기의 모래 8%와, 7mm 입자크기의 규사 10%와, 고로시멘트 25%와, 혼화제 1%를 혼합하여서 제조됨을 특징으로 하는 우수정화기능을 가진 보도블록을 제공한다.
Patent KR-20130024496-A (KR)
Title: Substrate processing apparatus, substrate processing system, and substrate processing method
Inventor: JANG SEOK PIL
IPC: H01L21/265
Filed: 2011-08-31
Abstract: PURPOSE: A substrate processing apparatus, a substrate processing system, and a substrate processing method are provided to irradiate ion beam on a substrate while a tray is transferred. CONSTITUTION: A process chamber(100) includes a transfer path(30). The transfer path transfers a tray(20) having a substrate. A first ion irradiation part(301) is installed at the upper side of the transfer path. The first ion irradiation part irradiates ion beam on the substrate. A second ion irradiation part(302) irradiates ion beam on a part of the substrate. [Reference numerals] (AA,BB) Irradiation area
Patent KR-20120028288-A (KR)
Title: Coinage set case and making method
Inventor: KIM YOUNG JU
IPC: A45C1/10
Filed: 2011-09-14
Abstract: PURPOSE: A coin set case and a manufacturing method thereof are provided to reduce the waste of manpower and working time, and to prevent the loss of coin during storage or transferring. CONSTITUTION: A coin set case and comprises a coin accepting pad(1), and a case main body(2). The coin accepting pad has a transparent body. The coin set case is sealed to one set structure by radio-frequency brazing an upper film sheet and lower film sheet having coin accepting grooves. The case main body comprises a plurality of coin identification windows and information display board formed an upper side and a lower side of the coin accepting pad respectively. The case main comprises four square plates formed along longitudinal direction continuously. Between each plates, a folding line is formed. In a second plate and a third plate, the coin identification windows are formed to be symmetrical each other. The coin accepting pad is inserted into the coin identification window, and fixed by being folded and compressed to contact of the second plate and the third plate.
Patent KR-20130030838-A (KR)
Title: A signal generator and an automatic test equipment using thereof
Inventor: JUNG SEONG OOK
IPC: G01R31/28
Filed: 2011-09-20
Abstract: PURPOSE: A signal generator and an automatic test apparatus are provided to improve accuracy of an automatic test. CONSTITUTION: A signal generator(100) includes an integer delay generator, an edge vernier and an offset compensation unit(130). The offset compensation unit receives a reference signal, an operation control signal of the edge vernier and the integer delay generator, and a processing signal of the edge vernier and generates an output signal having an output signal delaying the reference signal with a specific space. The offset compensation unit includes a time-digital conversion unit(131), a comparison unit(132) and a control unit(133). The time-digital conversion unit converts phase difference between the reference signal and the operation control signal into a digital value. The comparison unit generates an output signal by comparing the digital value with the predetermined value. [Reference numerals] (131) Time-digital conversion unit; (132) Comparison unit; (133) Control unit
Patent KR-20130031110-A (KR)
Title: 파워윈도우를 위한 제어 장치
Inventor: YU JONG IL
IPC: B60J1/00
Filed: 2011-09-20
Abstract: 본 발명은 파워윈도우를 위한 제어장치로서, 상기 모터의 속도를 표준화한 속도 프로파일을 생성하는 속도 프로파일 생성부, 상기 모터에 발생하는 부하 상태, 상기 모터의 속도를 감지하는 감지부, 및 상기 부하 상태 및 상기 모터의 속도를 이용하여 구간별 평균 부하량을 산출하고, 상기 모터의 속도, 상기 속도 프로파일 및 상기 구간별 평균 부하량을 이용하여 반전력 범위 및 가중치를 결정하는 제어부를 포함한다.
Patent KR-20130032527-A (KR)
Title: Adjusts the horizontal rails, transported in plastic house device
Inventor: KANG DONG WOON
IPC: A01G9/14
Filed: 2011-09-23
Abstract: PURPOSE: A horizontal controlling apparatus for plastic greenhouse transfer rails is provided to secure the smooth movement of a transfer port which is transferred along the transfer rails by preventing the sagging of long transfer rails which is installed along the length direction of a plastic greenhouse. CONSTITUTION: A horizontal controlling apparatus for a plastic greenhouse comprises: a lock device(30) in which a long vertical hole(31) is formed in the length direction; and a supporting device(40) with a support stand(41) which penetrates the long vertical hole and is exposed, supporting the transfer rails in the lower side which is combined to one side. The lock device and the support device are installed in a constant gap along the transfer rails. After the height of the supporting device is controlled to adjust the horizontal status of the transfer rails, a fastening tool(50) passes through and fastens the long vertical hole and the supporting device, and a wire is placed in the upper part of the support stand in order to prevent sagging. A cylindrical hooking fastener(32) is combined to the upper part of the lock device.