baber/WOPTO huggingface dataset:
Patent KR-20120003743-A (KR)
Title: Method for isolation in semiconductor device
Inventor: KIM YOUNG DEUK
IPC: H01L21/76
Filed: 2010-07-05
Abstract: PURPOSE: A device separation method of a semiconductor device is provided to simplify a process by improving the device separation method of the semiconductor device, thereby shortening processing time. CONSTITUTION: A pad oxidation film(12) and pad nitrification film(14) are arranged in the upper part of a semiconductor substrate(10) which includes a cell region and peripheral circuit region. A first hard mask layer(16), a second hard mask layer(18), and a third hard mask layer are arranged in the upper part of the pad nitrification film. An isolation(ISO) cut pattern(24) which defines the longitudinal axis length of the active region is arrange in the cell region by etching the third hard mask layer. An ISO partition pattern is arranged in the upper part of the ISO cut pattern. A spacer for an SPT(Spacer Pattern Technology) is arranged in a sidewall of the ISO partition pattern.
Patent KR-20120004696-A (KR)
Title: Wall hangings and seat
Inventor: SIM SUNG BO
IPC: A47C4/04
Filed: 2010-07-07
Abstract: PURPOSE: A wall hanger and seat is provided to hang clothes without using adhesive, to change a chair shape to a wall hanger shape. CONSTITUTION: A wall hanger and seat comprises: a main body(1) of rectangular shape having various colors and shapes; grooves(30) for fixing the main body to wall; a folder type joint(20) capable of changing to a chair shape; and a supporting board(10) for supporting. The top of rectangular shape main body has a rounded shape.
Patent KR-20120005267-A (KR)
Title: Dryer
Inventor: LEE YONG JU
IPC: D06F58/24
Filed: 2010-07-08
Abstract: PURPOSE: A clothes dryer is provided to selectively open or close the discharging path of a water tank using an electronic magnet or a solenoid switch unit. CONSTITUTION: A heat exchange apparatus(10) condenses water from air discharged from a drum. A collection unit(20) collects condensate created from the heat exchange apparatus. A pump(30) pumps the condensate of the collection unit to a water tank(40). A discharging unit(100) discharges selectively the condensate of the water tank using a solenoid switch unit. The heat exchange apparatus is cleaned by discharging condensate.
Patent KR-20120007828-A (KR)
Title: Water treatment method and apparatus using ceramics
Inventor: KANG SUNG HOON
IPC: C02F1/66
Filed: 2010-07-15
Abstract: PURPOSE: Water treating method and apparatus using ceramics are provided to effectively prevent the acidification of soil by contacting molten quartz-based ceramic filtering media with target water to be neutralized. CONSTITUTION: A water treating method includes the following: Target water is introduced into a treating bath. The target water is in contact with ceramic filtering media containing meta sodium silicate to neutralize the target water. The target water is discharged to the outside of the treating bath. A water treating apparatus includes a cylindrical treating baths(10, 20) and a filtering media case(30) installed in the treating baths. The ceramic filtering media is filled in the filtering media case.
Patent KR-20120008339-A (KR)
Title: Method for fabricating solar cell
Inventor: KIM YEON KYUNG
IPC: H01L31/04
Filed: 2010-07-16
Abstract: PURPOSE: A method for manufacturing a solar battery is provided to improve property of the solar battery by effectively eliminating a phosphor-silicate glass film, a metal compound, and an organic compound which is formed in a diffusion process. CONSTITUTION: A p-type silicon board is prepared(S201). A texturing process is executed on the upper side of the p-type silicon board(S202). Solution which contains an n-type impurity ion is spread on the p-type silicon board(S203). An n-type semiconductor layer is formed on the upper side of the p-type silicon board by treating the p-type silicon board by heat(S204). A metal compound, an organic compound, and a PSG(Phosphor-Silicate Glass) film are eliminated using hydrofluoric acid(S205). The metal compound and the organic compound which remains are eliminated using standard chemistry solution(S206). The metal compound, the organic compound, and the PSG film which remains are eliminated using the hydrofluoric acid(S207).
Patent KR-20120009690-A (KR)
Title: Cooling apparatus and refrigerator having this
Inventor: LEE YOUN SEOK
IPC: F25D25/00
Filed: 2010-07-20
Abstract: PURPOSE: A chiller and a refrigerator having the same are provided to rapidly cool a beverage container bringing cooling air into contact with the beverage container. CONSTITUTION: A chiller comprises a case(11), a drawer(20), an agitator, a power generator. The case is equipped with a cool air inlet and a cool air outlet. A plurality of air holes are formed in the cool air inlet. The air hole supplies cool air to the wide surface area of a beverage container. The drawer is installed inside the case in order to be withdrawn. The agitator is installed to the drawer and agitates beverage and liquor. The power generator is equipped inside the case and provides power in order to move the agitator.
Patent KR-20120011670-A (KR)
Inventor: RYU JE JUNG
IPC: A47K5/05
Filed: 2010-07-29
Abstract: PURPOSE: A soap drying hanger is provided to dry surrounding area of a soap, thereby preventing waste of soap and enhancing sanitation. CONSTITUTION: A soap drying hanger has a fixed type, an adhesion type which is put on floor, or installation on a wall type. User uses private soap in which hole is pierced and hang in a soap hanger. A hook part for hanging the soap is made of soft materials considering safety of children.
Patent KR-20120015411-A (KR)
Inventor: CHOI JONG SOO
IPC: H04W64/00
Filed: 2010-08-06
Abstract: 본 발명은 LBS망이 적용되는 이동통신시스템의 무선기지국장치부와 SUPL방식의 프로토콜 메시지를 통해 통신을 하면서 인공위성으로부터 송출되는 GPS좌표를 이용하여 위치측위를 실행한 기지국위치정보를 SUPL 메시지(Cell ID포함)에 실어 전송하는 이동통신단말기와; 상기 LM서버를 경유하는 이동통신단말기의 GPS 이용 기지국위치정보가 담긴 SUPL 메시지를 전송받은 후 그 메시지에 포함된 초기 기지국 위치값(Bx, By)에다 초기 기지국정보에 포함된 Cell ID를 이용하여 BSA의 DB에서 찾아낸 해당 기지국의 기등록된 실제 위치값(Ax, Ay)을 수학식에 대입하여 위치오차( )를 계산한 다음 그 계산된 값을 MAR값과 비교하여 위치를 보정해주는 SPC서버를 포함하여 구성되는 GPS측위결과 보정기능이 구비된 이동통신시스템 및 그 제어방법을 제공한다. 
      상기와 같은 구성으로 된 본 발명은 GPS 위치측위가 단말기 주변의 열악한 환경의 영향으로 인해 측위오차가 발생하더라도 그 위치측위결과값을 BSA에 의한 검색정보를 통해 최대한 그 오차를 보정해주기 때문에 보다 신뢰성 있는 최종 GPS 위치측위결과값을 산출할 수 있는 효과가 있다.
Patent KR-20110015403-A (KR)
Inventor: TOGASHI SYOJI
IPC: H01H19/02
Filed: 2010-08-06
Abstract: 본 발명은 축부를 가동체에 압입할 때에, 가동체나 축부에 파손 등의 불량이 발생할 우려가 작은 자동 변속기용 컨트롤 스위치를 제공한다.  가동체(10)의 축유지부(11)에 압입 구멍(15)을 마련하고, 대략 다각형상의 축부(20)를 압입 구멍(15)에 압입해서 고정시키는 자동 변속기용 컨트롤 스위치에 있어서, 압입 구멍(15)의 코너 부분 또는 그 근방의 내벽면에 응력 완화 홈(15a)을 마련하였다.  이것에 의해, 축부샤프트(20)를 압입 구멍(15)에 삽입 통과했을 때에는 압입 구멍(15)의 내벽과 축부샤프트(20)의 사이에 간극(16)이 형성된다.  따라서, 압입 구멍(15)의 코너 부분에 가해지는 응력이 완화되므로, 파손 등의 불량이 발생할 우려를 작게 할 수 있다.
Patent KR-20110021653-A (KR)
Title: Exposure apparatus, and device manufacturing method using same
Inventor: TAKAHASHI AKIHIRO
IPC: H01L21/027
Filed: 2010-08-11
Abstract: PURPOSE: An exposure apparatus and a method for manufacturing a device using the same are provided to reduce the time required for replacing a disk by preparing a second disk used for the next exposure treatment after a first exposure treatment using a first disk. CONSTITUTION: An exposure apparatus comprises a stoker, a conveyance path(7), and a disk exchange device. The stoker stores a plurality of disks. The conveyance path sends back a disk to a disk stage. The disk exchange device comprises carriages(9a,9b) and a load chamber(8). The carriage has a hand(11) which keeps the disk. The load chamber is installed beneath the conveyance path. The second disk is loaded in the load chamber by conveying a second disk used for second exposure treatment during a first exposure treatment using a first disk.
Patent KR-20120015038-A (KR)
Title: Photovoltaic module having improved corrosion resistance
Inventor: KIM DONG HWAN
IPC: H01L31/05
Filed: 2010-08-11
Abstract: PURPOSE: A photovoltaic module having corrosion resistance is provided to minimize the reduction of a current and a voltage by preventing serial resistance from increasing at a spot where a ribbon and a cell are connected. CONSTITUTION: An interconnector ribbon(4) connects cells in a solar cell(3). An anode for a protection method is attached on the interconnector ribbon. The interconnector ribbon is made of a copper electrode which is coated with a SN-PB(Stannum-Plumbum) alloy. The anode for the protection method is a sacrificial anode. The sacrificial anode is a metal having bigger ionization tendency than the interconnector ribbon.
Patent KR-20120015629-A (KR)
Title: 전자기기의 원격 제어 기능을 포함하는 이동 통신 장치 및 이를 이용한 전자기기의 원격 제어 방법
Inventor: KIM SUNG IL
IPC: H04Q9/04
Filed: 2010-08-12
Abstract: 다양한 전자기기를 이동통신장치를 이용하여 편리하게 제어하는 기술을 제공한다. 이를 위해서, 선택된 전자기기에 해당하는 입력화면을 표시하는 이동통신장치의 입력부에 입력된 신호를 해석하여 명령 입력을 원하는 전자기기에 대한 입력 명령을 생성하는 입력 해석부; 입력 명령과 대응하는 제어코드를 연관짓는 제어코드 테이블을 외부의 서버로부터 수신하여 관리하는 제어 코드 관리부; 선택된 전자기기에 해당하는 제어코드 테이블로부터 생성된 입력 명령에 대응하는 전자기기의 제어코드를 선택하는 코드 매핑부; 및 선택된 제어코드를 전자기기가 해석할 수 있는 방식으로 전자기기에 송신하는 제어코드 송신부를 포함하며, 입력 해석부는, 문자 입력 시 문자를 음소 단위로 분해하고, 음소 별로 입력 명령을 생성하여 결합한 입력 명령 시퀀스를 생성할 수 있다.
Patent KR-20120015847-A (KR)
Title: Exposed type collumn base
Inventor: CHOI JAE HYOUK
IPC: E04C3/30
Filed: 2010-08-13
Abstract: PURPOSE: An exposed column base and a method of constructing a column base are provided to enable construction and the replacement of a column base to be easily made and minimize maintenance costs by preventing a post from becoming damaged when external force is applied. CONSTITUTION: An exposed column base(100) comprises a plurality of base members(101), and a coupling member(130). One side of the base member is fixed to the top of a concrete foundation(10) and the other side of the base member is fixed to the side of a post(20) to connect the concrete foundation to the post. The base member comprises a vertical coupling unit and a horizontal coupling unit. The vertical coupling unit is vertically extended to be able to make contact with the lower side of the post. The horizontal coupling unit is extended to the lower end of the vertical coupling unit along the top of the concrete foundation to become far from the post. The coupling member connects the base members.
Patent KR-20120016971-A (KR)
Title: The backlight unit
Inventor: YUN DUK HYUN
IPC: G02F1/13357
Filed: 2010-08-17
Abstract: PURPOSE: A backlight unit is provided to offer a divided driving mode such as local diming mode or impulsive mode to a backlight unit and to reduce power consumption of a backlight unit. CONSTITUTION: A bottom frame has a bottom surface and a sidewall. At least one module substrate(20) supports LEDs(Light Emitting Diodes)(21) which defines a plurality of light emitting areas. A plurality of openings(23) is formed in the front side of the module substrate. A plurality of LEDs is embedded in an integrated light guide plate. The light guide plate is arranged in a light emitting area.
Patent KR-20120017165-A (KR)
Title: Electrostatic capacity type touch screen panel and method of manufacturing the same
Inventor: SHIN SEUNG MOK
IPC: G06F3/044
Filed: 2010-08-18
Abstract: PURPOSE: A capacitance touch screen panel and a manufacturing method thereof are provided to perform a connection pattern of a single layer structure by a single mask process of a half tone mask process, thereby omitting one mask process. CONSTITUTION: An electrode forming unit includes first electrode arrays(130) arranged in a first direction and second electrode arrays(135) arranged in a second direction crossing the first direction. Each of the first electrode arrays includes first electrode patterns(131) and first connection patterns(110) which connect the first electrode patterns. Each of the second electrode arrays includes second electrode patterns(131) and second connection patterns(110) which connect the second electrode patterns.
Patent KR-20110021682-A (KR)
Title: Syncronization control method for data transmission/receipt and station for data transmission/receipt syncronization
Inventor: CHANG KAP SEOK
IPC: H04L29/08
Filed: 2010-08-24
Abstract: PURPOSE: A synchronization control method for data transmission/reception and a station for data transmission/receipt synchronization is provided to supply estimation information to a terminal by estimating a transmission time and a frequency offset included in a terminal. CONSTITUTION: In a synchronization control method for data transmission/reception and a station for data transmission/receipt synchronization, a first terminal transmits first and second request frames including a transmission time of first and second frame to second and third terminal(S701). The first terminal receives the first and second frame from the second and third terminal(S703). The second and third terminal transmit response frame to the first terminal. The first terminal estimates a fist delay between the first and second terminals and a second delay between the first and third terminals(S705).
Patent KR-20120019101-A (KR)
Title: A liquor cooler's custody device
Inventor: O SEUNG HWAN
IPC: B67D1/07
Filed: 2010-08-25
Abstract: PURPOSE: An integrated platform for a liquor dispensing device of a liquor cooler and a cleaning device thereof is provided to facilitate the installation of a draft beer storage tank and a cleaning device and to clean a draft feed line with a simple operation of the cleaning device. CONSTITUTION: An integrated platform for a liquor dispensing device of a liquor cooler and a cleaning device thereof comprises a draft beer cooling device(110) and a casing(130). A chiller(120), which rapidly cools draft beer provided to the draft beer cooling device, is installed in the casing. The casing comprises a draft beer supply part(131) which accommodates a draft beer storage tank(140) and a pressure gas storage tank(150) containing carbon dioxide and a cleaning device housing part(161) which accommodates a cleaning device(160) for cleaning a beer supply line(111) of the draft beer cooling device. A three-way valve(180) is provided on a boundary plate(170) forming a boundary between the draft beer supply part and the cleaning device housing part in order to connect and switch a draft beer inlet line(142), a cleaning water inlet line(162), and the beer supply line.
Patent KR-20120019773-A (KR)
Inventor: KIM TAE HYEONG
IPC: B62K19/44
Filed: 2010-08-27
Abstract: 본 발명은 인간동력자동차에 관한 것이다. 본 발명은 전방으로부터 후방으로 일정 길이를 갖는 형상의 전방프레임, 상기 전방프레임에 후방으로 힌지결합되는 메인프레임, 상기 전방프레임과 상기 메인프레임이 힌지결합되는 부분의 일측면에 결합되는 앞기어, 상기 앞기어에 결합되는 제1페달 및 제2페달, 상기 앞기어의 후방에 위치하고 상기 메인프레임의 상단부에 회동가능하게 결합되는 회전축, 상기 메인프레임을 가로지르며 상기 회전축의 상단부에 결합되고 상기 회전축과 함께 회동하는 조향축, 상기 조향축의 양 끝단에 힌지결합하는 한 쌍의 앞바퀴, 상기 조향축에 상기 조향축과 교차하는 방향으로 연장 형성되는 2개의 핸들축, 상기 회전축의 후방에 위치하고 상기 메인프레임의 상단부에 결합하는 의자결합축, 상기 의자결합축의 상단부에 결합되는 등받이의자, 상기 메인프레임의 최후방에 힌지결합되는 뒷기어, 상기 뒷기어에 결합되는 뒷바퀴 및 상기 앞기어와 상기 뒷기어를 연결하여 동력을 전달하는 체인을 포함하는 인간동력자동차를 특징으로 한다.
Patent KR-20110093571-A (KR)
Title: Multimedia device, personal potable device and method of the multimedia device of providing wire/wireless re-broadcasting service
Inventor: AHN DO SEOB
IPC: H04N7/08
Filed: 2010-09-10
Abstract: PURPOSE: A multimedia terminal offering wireless/wired retransmission service, and operation method thereof are provided to prevent a problem of covering a screen when confirming an additional service. CONSTITUTION: A content receiving unit(203) receives additional service information corresponding to bidirectional content. An additional service information dividing unit(204) divides additional service information which is received from the bidirectional content. A transmission control unit(205) transmits additional service information to a PDA.
Patent KR-20120060971-A (KR)
Title: Washing machine and control method of the washing machine
Inventor: MOON TAE CHUL
IPC: D06F33/02
Filed: 2010-09-29
Abstract: PURPOSE: A washing machine is provided to sense eccentricity according to the change of load directly applied from an outer bath. CONSTITUTION: A washing machine comprises: at least one or more deformation sensing units(20) sensing the deformation rate change of a deformation member(40) according to the change of gap between both cut sides in an outer bath supporter mounting portion(30) by due to load applied from an outer bath when an inner bath rotates; a control unit calculating eccentricity according to the detected deformation by the deformation sensing unit.
Patent KR-20120033868-A (KR)
Title: System for operating auxililary-machinery using deceleration device of electric vehicle
Inventor: OH SE MIN
IPC: F16H13/00
Filed: 2010-09-30
Abstract: PURPOSE: An auxiliary machinery drive system is provided to efficiently use energy by using power of a reducer without a separate motor and an auxiliary battery and to reduce mechanical and electrical noise, and weight of a car. CONSTITUTION: A main clutch(200) is connected to a reducer of an electric car and transfers power of the reducer. One or more auxiliary machinery clutches(44, 54, 64) are connected to each auxiliary machinery of the electric car and transfers the power. A coupling unit(300) is linked to the main clutch and auxiliary machinery clutch. The coupling unit transfers the power of the reducer receives to the auxiliary machinery clutch. A controller controls a power transmission motion and a secluding motion of the main clutch and the auxiliary machinery clutch.
Patent KR-20120035050-A (KR)
Title: Combination structure of elevator switch
Inventor: OH BU HYUN
IPC: H01H13/83
Filed: 2010-10-04
Abstract: PURPOSE: A coupling structure of an elevator switch is provided to prevent different colored light emitted from a first light emitting cell and a second light emitting cell from being mixed each other by a coupling structure of an internal frame. CONSTITUTION: A coupling structure of an elevator includes an outer frame(300), a circuit board, and an inner frame(500). The outer frame comprises a guide ring(200) and a press plate(100). A tact switch and a light emitting diode are integrated on the circuit board. The light emitting diode comprises multiple first light emitting cells(940a) arranged in the edge of the circuit board and multiple second light emitting cell(940b) arranged in the center part of the circuit board. The inner frame is arranged separately from the inner periphery of the outer frame in predetermined interval and the light of the first light emitting cell is emitted to the guide ring by the inner frame. A projection part is formed in one side of the inner frame and a through-hole in which the second light emitting cell is inserted is formed in the projection part to emit the light of the second light emitting cell to the press plate.
Patent KR-20120042003-A (KR)
Title: Electrophoretic display apparatus
Inventor: YU YOUNG JUN
IPC: G02F1/167
Filed: 2010-10-22
Abstract: PURPOSE: An electrophoretic image display device is provided to effectively prevent condensation of particles which are oppositely charged by an interval adjusting agent in an electrophoretic dispersion liquid. CONSTITUTION: An electrophoretic dispersion liquid(220) includes a dielectric solvent(221), charged particles(222, 223), and an interval adjusting agent(224, 225). The charged particles are dispersed in the dielectric solvent. The interval adjusting agent separates charged particles which have opposite polarities. The interval adjusting agent includes a hydrophobic segment and at least one functional group. The functional group chemically reacts to the surface charges of the charged particles.
Patent KR-20120045211-A (KR)
Inventor: BAK NAM SU
IPC: A01K59/00
Filed: 2010-10-29
Abstract: 본 발명은 양봉용 자동 탈봉장치에 관한 것으로, 보다 상세하게는 벌들이 붙은 소비들을 브러쉬의 회전과 진동수단으로 쉽고 용이하게 떨어내고, 다수개의 소비들을 동시에 작업함으로써 시간과 노동력을 절감하여 작업효율을 높인 양봉용 자동 탈봉장치에 관한 것이다.  
본 발명은 양봉용 소비의 표면에 붙은 벌들을 떨어내기 위한 탈봉장치에 있어서, 상기 소비(11)를 파지할 수 있도록 내부에 다수개의 파지체(13)가 일정간격으로 이격되게 설치되는 통체의 베이스(10)와; 상기 베이스(10)가 내부에 위치하도록 공간이 형성되는 사각틀체의 메인프레임(20)과; 상기 메인프레임(20)에 슬라이딩 왕복 이동되게 설치되고 상측에 상기 베이스(10)가 결합되는 지지부(30)와; 상기 베이스(10)의 상측에 승하강되게 설치되어 하강시 상기 소비(11)의 표면에 붙은 벌들을 떨어내도록 제1모터(41)에 의해 회전되는 브러쉬(42)가 구비된 브러쉬부(40)로 구성되는 것을 특징으로 한다.
Patent KR-20100132938-A (KR)
Title: A semiconductor integrated circuit device and a method of manufacturing the same
Inventor: MINAMI SHINICHI
IPC: H01L29/788
Filed: 2010-11-01
Abstract: PURPOSE: A semiconductor integrated circuit device and a method of manufacturing the same are provided to implement high capacitor while requiring a small layout area. CONSTITUTION: The gate electrode of a nonvolatile memory(Qm) has a first silicon film formed which is formed on a first silicon film. A second silicon nitride film is formed on an element isolation region. A resistor(10b) is formed on the second silicon nitride film. An oxidation resistant layer is formed on the resistor.
Patent KR-20120046443-A (KR)
Title: Equalizer of parking brake for vehicle
Inventor: PARK ONE KWAN
IPC: B60T7/08
Filed: 2010-11-02
Abstract: PURPOSE: A parking brake equalizer is provided to simplify the assembly process and reduce the necessity of maintenance by offering the stable tension. CONSTITUTION: A parking brake equalizer comprises a housing(1), a tension control unit(5), a tension supply units(19,21), latch units(15,17), and a rotary unit(11). The tension control unit comprises a front parking cable(3) connected to one end. A plurality of jamming protrusions is formed in the surface of the tension control unit into the linear direction. The tension supply units supply the elastic force to the tension control unit into the direction facing the housing. The latch units make the tension control unit move to the linear direction in which the tension member facing the housing. The rotary unit is installed to be rotated by a hinge pin in the housing. Rear parking cables(9) are respectively connected with both sides of the rotary unit.
Patent KR-20120048736-A (KR)
Title: Handy handle type electromotive dustcloth cleaner
Inventor: LEE JEONG WOO
IPC: A47L11/282
Filed: 2010-11-04
Abstract: PURPOSE: A hand-held electric floor cloth cleaner is provided to freely control the rotation angle of a rotary dust cloth stick by coupling the rotary dust cloth stick to the motor axis of a driving unit with a universal joint. CONSTITUTION: A hand-held electric floor cloth cleaner comprises a handle driving unit(12), a rotary dust cloth stick(20), and a universal joint(22). A rotary shaft(18) for transmitting the torque of a motor(16) is formed on one side of the handle driving unit. The rotary dust cloth stick has a Velcro attachment part(25) in which dust cloth(27) is attached and detached. The rotary dust cloth stick is opened on one side thereof and has a tapered rotation angle control space(26) inside. The universal joint has a fixing rod(24b) which is connected to the rotary dust cloth stick through the center of the rotation angle control space and a socket rod(24a) which is coupled to the rotary shaft of the handle driving unit. The angles of the central axis of the rotary dust cloth stick and the rotary shaft of the driving unit can be freely controlled.
Patent KR-20120049753-A (KR)
Title: Stocker apparatus
Inventor: SHIN DAE HO
IPC: B65G1/12
Filed: 2010-11-09
Abstract: PURPOSE: A stocker device is provided to prevent deflection of objects by extending the length of multiple supports of shelves and fork hand vanes. CONSTITUTION: A stocker device comprises a stocker body and a fork unit. The stocker body is arranged in the front of multiple shelves. The fork unit is connected to the stocker body and is lifted upward and downward. The fork unit loads cassettes on the shelves or takes the cassettes out of the shelves. The fork unit comprises a fork body(210) and at least one fork hand vane(220). The fork body supports the cassettes. The fork hand vanes are projected from the fork body and grips the edge part of the cassettes.