baber/WOPTO huggingface dataset:
Patent KR-20010023038-A (KR)
Title: Ｍｒｉ용 자계 발생 장치
IPC: G01R33/383
Filed: 1999-06-16
Abstract: 본 발명은 자장의 균일성을 손상시키지 않고, 온도의 불균일을 감소시켜 열효율을 높이고, 영구 자석의 온도 제어를 높은 정밀도로 할 수 있는 구성으로 이루어지는 MRI용 자계 발생 장치의 제공을 목적으로 하고 있다.  본 발명은 온도 제어용 히터(10, 11)를 자로 형성 부재의 베이스 요크(3, 3)에 매설 내장한 구성에 의해 온도 센서(12)의 온도 검지에 대응하여 온도 제어용 히터(10, 11)가 온도 조절기에 의해 가온될 때, 베이스 요크 근방에 배치된 영구 자석(5, 5)이 효율좋게 가열되기 때문에 제어 추종성이 우수하다.  또, 온도 제어용 히터가 베이스 요크 내부에 매설되고, 히터에서 발생되는 열이 베이스 요크를 전도하여 직접 영구 자석에 도달하기 때문에, 열이 외부로 방산해서 손실이 발생하는 일 없이 매우 효율좋게 열제어를 행할 수 있다.
Patent KR-20010015712-A (KR)
IPC: H03L7/00
Filed: 1998-08-20
Abstract: 본 발명은 동기식 디지털 시스템에서 클록 신호를 디스큐잉하기 위한 장치(20)에 관한 것으로서, 상기 장치(20)는 다수의 클록 신호를 수신하고 상기 클록 신호들 사이의 위상 관계에 근거하여 출력을 발생하는 위상 검출기(100)를 포함한다. 제어기(200)는 위상 검출기(100)의 출력을 수신하고, 상기 위상 검출기(100)의 출력과 지연 시프트 레지스터(300a,300b)로부터의 하나의 비트에 근거하여 상기 다수의 클록 신호 중 어느 것이 조정을 필요로 하는지 판단한다. 제어기(200)는 조정을 필요로 하는 것으로 판단한 클록 신호의 지연을 변경하는 지연 신호를 다수의 지연 회로(400a,400b) 중 하나로 전송한다.
Patent KR-20010024719-A (KR)
Title: 노내에서 열처리되는 부품을 지지하는 적재장치
IPC: F27D5/00
Filed: 1998-12-15
Abstract: 본 발명은 열구조 복합재료로 제조된 적재장치에 관한 것으로, 이는 기저부 (20)와; 이 기저부에 고정되면서 적재장치의 적어도 전체 높이 이상으로 뻗어 있는 적재기둥부(30); 각각 이 적재기둥부가 통과할 수 있는 중심통로를 갖추되, 연속적으로 트레이들이 소정의 간격으로 장착될 수 있도록 하는 다수의 스페이서를 이송하며, 트레이들이 조립된 후 스페이서가 적재장치의 높이 이상으로 뻗어 있는 이송기둥부를 형성하도록 정렬된 동일한 수의 스페이서를 이송하는 다수의 적재트레이 및; 조립되는 동안 표시될 수 있도록 동일한 트레이들에 의해 이송되는 스페이스와 다른 크기 또는 배열을 갖는 각각의 트레이에 의해 이송되는 적어도 하나의 스페이서를 구비하는데, 각각의 트레이(40)는 예정된 위치에 부품을 위치시키는 수단(45)을 갖추고 있다.
Patent KR-20010041140-A (KR)
Title: 무선 주파수 신호의 전송 회로, 무선전화 장치 및 주파수변환기
IPC: H04L27/20
Filed: 1999-12-13
Abstract: 본 발명은 적어도 하나의 차분 신호를 수신하고 중간 주파수로 지칭되는 사전설정된 주파수 및 입력 신호(IN)의 주파수를 나타내는 위상을 갖는 신호를 전송하기 위한 기준 입력을 구비하는 제 1 주파수 변환기(FC1)와 제 1 주파수 변환기의 출력 신호 주파수를 가변 주파수로 변환한 무선 주파수를 전송하기 위한 제 2 주파수 변환기(FC2)를 포함하며 입력 신호(IN)를 수신하기 위한 무선 주파수 신호의 전송 회로에 관한 것이다. 본 발명에 따르면, 제 1 주파수 변환기(FC1)가 입력 신호(IN)의 값의 함수로서 기준 신호 중 하나를 선택하고 이를 제 1 주파수 변환기(FC1)의 출력으로 연결시키기 위한 디지털 수단을 포함하고 있다. 본 발명은 전송 회로의 구조 및 실시예를 상당히 간단하게 할 수 있으며 이의 성능을 개선할 수 있다. 본 발명의 응용 분야는 무선전화기에서 신호 전송이다.
Patent KR-20010041514-A (KR)
Title: 액티브 매트릭스 액정 표시 장치
IPC: G09G3/20
Filed: 1999-03-02
Abstract: 본 발명은 한쪽 측면에서는 공통 기준 전위에 접속되고, 다른 쪽 측면에서는 전달 가능한 그레이-스케일 값 신호가 전달된, 행렬로 배열된 액정 셀을 갖춘 액티브 매트릭스 액정 표시 장치에 관한 것이다. 
     액정 셀이 이미지 재생의 에러 없이 동작할 수 있는 전압 범위를 증가시키기 위해서, 액정 셀(9)의 광학적 투명도와 액정 셀(9)에 인가되는 전압 사이의 전형적 의존도에 대한 정보를 기초로 그리고 그레이 스케일 값 신호(2)와 기준 전위(Vo) 사이의 전위차에 따라, 액정 셀(9)의 광학적 투명도와 왜곡되지 않은 그레이 스케일 값 신호(20') 사이의 관계가 거의 선형이 되도록, 액정 셀(9)에 도달하는 그레이 스케일 값 신호를 왜곡시키는 보정 장치(28)가 제공된다.
Patent KR-20010034585-A (KR)
Title: 호흡 보호 헤드기어용 호흡 튜브 연결부
IPC: A62B9/04
Filed: 1998-07-22
Abstract: 본 발명은 호흡 튜브를 호흡기에 부착하기 위한 연결부에 관한 것이다.  연결부는 연결부 몸체를 형성하는 제1 도관과 전이 도관을 구비한다.  외팔보형 스냅 래치는 연결부 몸체로부터 연장한다.  본 발명은 연결부를 수용하도록 구성된 호흡기 헬멧 상의 리세스형 수용 구조를 구비하는 연결부 조립체에 관한 것이다.
Patent KR-20010042648-A (KR)
Title: 선재 압연라인
IPC: B21B13/10
Filed: 2000-02-15
Abstract: 본 발명은 마무리압연기군의 후단이 복수대의 4 롤 밀을 조합하여 구성되는 선재 압연라인에 관한 것이다.     본 발명에서는 사이즈 프리 압연의 범위를 넓힐 수 있음과 동시에, 밀 조정을 위한 라인정지시간을 짧게 하기 위해, 상류 패스의 패스 스케줄을 간략화한 패스 스케줄을 구성할 수 있는, 가동율이 매우 높은 선재 압연라인을 제공하는 것을 목적으로 한다.     이 목적을 달성하기 위해, 본 발명의 선재 압연라인은 마무리압연기군의 최종으로부터 3 대의 밀이 4 롤 밀이고, 이들 3 대의 밀이 압하방향을 45°씩 비키어 놓아 직렬로 배치되며, 최종으로부터 2 대의 밀은 공용 모터로 구동하여 최종으로부터 3 대째의 4 롤 밀과는 별개로 구동하는 것을 특징으로 한다.
Patent KR-20010043485-A (KR)
Title: 가변 팽창 성능을 갖는 에어 백 모듈
IPC: B60R21/16
Filed: 1999-05-11
Abstract: 본 발명은 에어백(27)과 상기 에어백 (27)을 팽창시키기 위해 팽창기 가스를 배출하도록 작동되는 팽창기(30)를 포함하는 에어백 모듈에 관한 것이다. 상기 팽창기는 팽창기 가스가 배출되는 적어도 하나의 배출구(31)를 갖고 있다. 하우징(20)은 상기 배출구와 맞게 정렬된 적어도 하나의 팽창기 가스배출 통로(21)를 갖고 있다. 가변 팽창 장치(49)는 상기 팽창기상에 장착되고 상기 가스배출 통로와 맞게 정렬하는 이동부재(50)를 갖고 있다. 상기 이동부재는, 에어백으로 배출되는 팽창기 가스의 양과 상기 하우징의 가스배출 통로를 통해 방출되는 팽창기 가스의 양을 조절하기 위하여 팽창기 작동 중의 미리 결정된 시간에 상기 가스배출 통로를 개방하고 막기 위해 상기 가스배출 통로에 대해 이동할 수 있다. 바람직하게는, 상기 가변 팽창 장치는 팽창기가 작동하는 동안의 상기 미리 결정된 시간에 상기 가스배출 통로에 대해 상기 이동부재를 이동시키도록 상기 팽창기의 작동 중에 작동되는 기동 장치 (80)를 포함한다.
Patent KR-20010053091-A (KR)
IPC: E04F21/20
Filed: 1999-06-24
Abstract: Magnetizable fibers dispersed in a viscous body, particularly reinforcing metal fibers dispersed in a wet cementitious material, is carried out by providing a fiber aligning member (15) having a nonmagnetic wall (17) including a first wall portion (17A) and a second wall portion (17B), moving the aligning member (15) relative to the viscous body with the first wall portion (17A) leading and the second portion (17B) trailing it and with the first and second wall portions (17A, 17B) contacting the viscous body, and directing a magnetic field into the viscous body through the first wall portion (17A) to subject the fibers (F) to a moving magnetic field. A device for performing the method comprises: a fiber aligning member (15) having a nonmagnetic wall (17) including a first wall portion (17A) and a second wall portion (17B); and a magnet device (18) disposed adjacent the first wall portion (17A) for directing a magnetic field into the viscous body through the first wall portion (17A), and a manipulating device (14) for moving the fiber aligning member (15) relative to the viscous body with the first wall portion (17A) ahead of the second wall portion (17B) and with the first and second wall portions (17A, 17B) contacting the viscous body.
Patent KR-20020061945-A (KR)
Title: Exhaust apparatus of Chemical Vapor Deposition process for manufacturing semiconductor
Inventor: CHOI CHEOL HWAN
IPC: H01L21/205
Filed: 2001-01-19
Abstract: PURPOSE: An exhausting apparatus in a chemical vapor deposition(CVD) process for fabricating a semiconductor is provided to stabilize a process through a stable exhaust of process gas, by installing a switching valve in an inflammable exhaust line used as an exhaust line of the process gas so that the exhaust pressure of the remaining process gas is uniformly maintained at a predetermined value or higher. CONSTITUTION: A purge gas supplying unit(34) which supplies nitrogen gas of a predetermined flow rate is installed in a portion in front of the switching valve(32a) installed in the inflammable exhaust line. The exhausting apparatus in the CVD process supplies nitrogen gas to the inflammable exhaust line(32) when the switching valve in the inflammable exhaust line closes, so that the remaining process gas inside the inflammable exhaust line is stably exhausted.
Patent KR-20020062498-A (KR)
Title: Method of making a shoe having a foamed insole
Inventor: CHI CHENG-HSIAN
IPC: B29D35/12
Filed: 2001-01-22
Abstract: PURPOSE: A method for manufacturing a shoe with a foamed inner sole is provided which has a peripheral pattern decorated around the bottom of an upper body. CONSTITUTION: An inner sole blank having a peripheral portion is prepared. A shoe sole coated with adhesive on the upper part is located at a mold assembly having at least two facing side mold portions with a formation pattern for forming the peripheral portion of the inner sole blank. While the inner sole blank is emulsified by heat to a plastic state, it is located on the mold assembly adjacent to the upper part of the shoe sole. The inner sole blank is pressurized and bonded to the shoe sole. The peripheral portion of the inner sole blank is pressurized and patterned through the side mold portions.
Patent KR-20020063092-A (KR)
Title: Multi-coupler for transferring a data singal and a voice signal
Inventor: SONG SEOK JIN
IPC: H04M1/00
Filed: 2001-01-26
Abstract: PURPOSE: A multi-coupler for transmitting a data signal and a voice signal is provided to connect a UTP(UnTwist Pairs) cable from an intermediate distribution box to a UTP cable to an outlet. CONSTITUTION: A data signal coupler(110) transmits a data signal from an intermediate distribution box on a PCB(Printed Circuit Board)(130). A voice signal coupler(120) transmits a voice signal from the intermediate distribution box on the PCB(130). The data signal coupler(110) and the voice signal coupler(120) are electrically by the PCB(130), respectively. The data signal coupler(110) includes a pair of jacks(112,114) connected to a UTP cable(3) for transmitting the data signal from the intermediate distribution box and UTP cables(6) for transmitting the data signal from an outlet in household, respectively. The voice signal coupler(120) has one jack connected to a UTP cable(4) for transmitting the voice signal from the intermediate distribution box among jacks(121-126) and the other jacks connected to UTP cables(7) for transmitting the voice from the outlet among the jacks(121-126).
Patent KR-20020063993-A (KR)
Title: Auger screw cover of crane piercing machin and the manufacturing method there of
Inventor: LEE CHANG GYUN
IPC: E21B7/02
Filed: 2001-01-31
Abstract: PURPOSE: An auger screw cover of a crane punching machine is provided to keep clean a construction field, the surroundings and the neighboring residential district. CONSTITUTION: The auger screw cover of a crane punching machine comprises: a foldable tube-type cover(20) formed on the outside of an auger screw(12) to cover up the auger screw(12) of a punching machine of a crane punching into the appointed depth for a foundation work in a construction field; a motor connected to the upper part of the foldable tube-type cover to rotate the auger screw; and many fixing members(22) formed on the outer circumference of the cover.
Patent KR-20020064445-A (KR)
Inventor: PARK GEON SUN
IPC: G11B25/04
Filed: 2001-02-01
Abstract: PURPOSE: A disk drive and a disk cartridge are provided to reduce a thickness of a drive and to record more data on the disk of the same size by increasing a recording area of the disk. CONSTITUTION: A disk drive includes a disk cartridge(50), a head slider(41), a suspension arm(42), a first driving part, and a second driving part. The head slider has an optical pick-up part and is fixed to the suspension arm. The first driving part rotates the suspension arm at a predetermined angle. The second driving part transmits rotating power to the disk cartridge in a horizontal direction. The disk cartridge has a recorder, a case, a shutter(47), a first belt pulley, a second belt pulley, and a belt. The recorder stores information, and is inserted into the case. The shutter is formed on an upper surface of the case. The first belt pulley is connected to the center of the recorder, and the second belt pulley is connected to an edge of the case. The belt connects the first and second belt pulleys.
Patent KR-20010082621-A (KR)
Inventor: BAILEY J RUSHTON
IPC: B01D46/12
Filed: 2001-02-14
Abstract: PURPOSE: An air filtration system which supplies power with a relatively small fan and is integrated into a sound insulation system so as to obtain an air filtration unit which is silent and efficient by using a filter with reduced pressure loss while maintaining the filtration capacity. CONSTITUTION: The filter comprises an upstream wall(174) and a downstream wall(176) for flowing of a fluid to be filtered, wherein the upstream wall comprises a plural pleats aligned in a first direction, and the downstream wall comprises pleats aligned in a second direction. The filter comprises an upstream wall and a downstream wall for flowing of a fluid to be filtered, wherein the upstream wall comprises one or more of bypass openings having a length which is aligned in a first direction, and the downstream wall comprises one or more of bypass openings having a length which is aligned in a second direction. The filtration system comprises a housing(14) forming an inlet part and an outlet part of a fluid; a passage(122) connecting the inlet part to the outlet part; a fan means for transferring the fluid through the passage(122); a control means(148) for controlling the fan means; a first filter installed at the downstream of the inlet part; ionizing electrodes(168) installed at the downstream of the first filter; a filter formed of an electret material at the downstream of the electrodes(168); and a carbon filter(210) at the downstream of the electret filter, wherein the passage is equipped with a sound-absorbing chamber between the electret filter and the outlet.
Patent KR-20020068806-A (KR)
Title: Method to make a wooden case of refrigerator and refrigerator
Inventor: KIM SANG HO
IPC: F25D23/06
Filed: 2001-02-22
Abstract: PURPOSE: A method for manufacturing case of refrigerator made of wood and refrigerator are provided to easily manufacture small amount of the refrigerator of various kinds at low cost. CONSTITUTION: A refrigerator comprises a refrigerator door(2) having a T-shaped gasket(4) and a gasket mounting groove formed thereon; a radiator(10), a thermoelement(9), a heat conducting body(8), a heat absorber(7) closely coupled to a wall; a cooling fan(11) cooling the outside radiator; an indoor temperature detector; a controller; a partition(19) forming a chilled air flow path and having a chilled air outlet(19a) formed on an upper part thereof; a circulation fan(18); a bottom shelf(14) having a chilled air inlet; a drain pipe(16) penetrating a heat insulating wall; and a water basin(17) placed on a bottom part of the refrigerator, collecting condensed water through the drain pipe and installed to be inserted to and drawn from a front lower end of the refrigerator.
Patent KR-20020073661-A (KR)
Title: The flash sensor and thereof manufactural method
Inventor: CHOI JIN MIN
IPC: G02B6/40
Filed: 2001-03-15
Abstract: PURPOSE: A light sensor is provided which is fabricated easily, and a fabrication method thereof is provided, which improves a sealing property and reduce a product fabrication cost. CONSTITUTION: The light sensor comprises a light sensing device converting a light into an electrical signal, and a connector assembly(300) connected to the light sensing device, and a light sensing device protection unit(200) surrounding and protecting the light sensing device, and a cap(100) fixed to the light sensing device protection unit. The light sensing device protection unit comprises the first member of a transparent resin material and the second member of a non-transparent resin material. The light sensing device and its connection part are placed in the first member, and the first member is inserted into the second member and thus they are combined with a transparent resin filling material. And the light sensing device and its connection part are sealed up with the transparent resin filling material.
Patent KR-20020074716-A (KR)
Title: Trench Type Isolation Structure in Semiconductor Device and Method of Forming the Same
Inventor: HONG UK SEON
IPC: H01L21/762
Filed: 2001-03-21
Abstract: PURPOSE: A trench isolation structure of a semiconductor device and a method for fabricating the same are provided to prevent a damage and a dent phenomenon of a tunnel oxide layer by using a silicon nitride layer liner buried by an isolation layer. CONSTITUTION: A trench region and an active region are defined on a semiconductor substrate(111). A tunnel oxide layer(211) and a conductive layer pattern(120) are laminated on the active region of the semiconductor substrate(111). An inner wall of the trench region is covered by a silicon nitride layer liner(321). A region surrounded with the silicon nitride layer liner(321) and a gap region between conductive layer patterns are filled by an isolation layer(260). A sidewall of the conductive layer pattern(120) is contacted with an upper sidewall of the isolation layer(260). The silicon nitride layer liner(321) is buried by the isolation layer(260) and the conductive layer pattern(120). A thermal oxide layer(240) is inserted between the silicon nitride layer liner(321) and an inner wall of the trench region. A thermal oxide layer(250) is inserted between the conductive layer pattern(120) and the isolation layer(260). The isolation layer(260) includes the first and the second isolation layer pattern(221,232). The first isolation layer patterns(221) is buried by the silicon nitride layer liner(321) and the second isolation layer pattern(232).
Patent KR-20010090578-A (KR)
Inventor: SUZUKI HIROAKI
IPC: F16K1/36
Filed: 2001-03-27
Abstract: PURPOSE: To provide a two-port valve to prevent sticking of a foreign matter to a valve element and a valve shaft and the occurrence of residence thereof even when the valve is used in a line for fluid mixed with a foreign matter, such as dust, etc., and simple in structure and low in a cost. CONSTITUTION: In the two-port valve, a flow passage 4 between an input port 2 and an output port 3 is formed in an L-shape in a valve body 1 and a valve seat 7 formed at the inside periphery of an opening part 5 on the input port side is opened and closed by a valve element 8 opposed to and parting from and making contact with the valve seat. A valve shaft 9 protruding from the valve element 1 and retracting in the flow passage 4 has diameter equivalent to or slightly larger than that of the valve element 8. The stroke of the valve element 8 to open and close a valve seat 7 is set to a stroke necessary to approximately fully open an opening part 6 of the output port of the flow passage 4.
Patent KR-20020078226-A (KR)
Title: Dynamic image reconstruction system and method in electrical impedance tomography using extended kalman filter, and media that can record computer program sources on that method
Inventor: KIM KYUNG YOUN
IPC: A61B6/03
Filed: 2001-04-06
Abstract: PURPOSE: A dynamic image reconstruction system and method and recording medium is provided to reduce computation load and allow for a real time dynamic reconstruction. CONSTITUTION: A dynamic image reconstruction system comprises an electrical impedance tomography unit having a plurality of channel electrodes attachable to a boundary surface of a target(10) of measurement, and which injects a plurality of current patterns in accordance with external control data, through each channel electrode and measures the voltage applied to the boundary surface; and a dynamic image reconstruction unit(100) having an image reconstruction algorithm for estimating distribution of electrical characteristics of a resistor in the target, and which reconstructs images of the resistor in the target by repeatedly estimating a resistivity and distribution of the resistor from the voltage data measured for each injected current pattern.
Patent KR-20020078333-A (KR)
Title: Internet micro wave oven
Inventor: CHUN YEON BONG
IPC: F24C7/08
Filed: 2001-04-09
Abstract: PURPOSE: An internet microwave oven is provided to update or add cooking information by using a detachable memory pack. CONSTITUTION: An internet microwave oven comprises an interface part(220) directly connected to a communication port of a computer capable of being connected to an internet, a memory pack(200) capable of storing and removing data and including a nonvolatile storing part, and a main body(100) cooking according to cooking information stored in the memory pack and having a detachable part, where the memory pack is attached and detached, at a side thereof. The memory pack includes a connecting terminal electrically connecting the memory pack inserted into the detachable part with the main body, and a memory pack control part(210) storing or removing the data received through the interface part in or from the storing part and controlling the reading of the data.
Patent KR-20020082663-A (KR)
Title: Apparatus and method for measuring slant using load-cell, and electrical scale and method for compensating measurement error using the same
Inventor: LEE GUN BOK
IPC: G01C9/00
Filed: 2001-04-25
Abstract: PURPOSE: A device and method for measuring slant using load cell and electronic scale and method compensating measuring error due to slant using the same are provided to measure slant of a place where load is measured. CONSTITUTION: A device includes a load cell(25) installed on a base(20); and a calculator(43) calculating angle from a surface perpendicular to direction of gravity to the base using mass of a weight(21) placed on a reference plate(27) supported by the load cell and vertical load signal of the weight against the reference plate output by the load cell by formulas as follow: theta=cos¬-1(W_theta/M*g) where W_theta is vertical load of the weight against the reference plate measured by the load cell, M is mass of the weight, g is acceleration of gravity and theta is angle from the surface perpendicular to direction of gravity to the base.
Patent KR-20020087164-A (KR)
Title: Device for carrying wafer
Inventor: CHOI YEONG GEUN
IPC: H01L21/68
Filed: 2001-05-14
Abstract: PURPOSE: A device for carrying a wafer in semiconductor fabrication equipment is provided to transfer a carrier as well as a wafer by improving a structure of an arm of a robot. CONSTITUTION: A robot(10) is moved along a guide rod which is installed on an upper portion of a cleaning bath. A driving motor is used for moving the robot(10). A rotation portion(11) is used for rotating the robot(10). A couple of arms(12) are projected to front of the robot(10). A rotary motor is used for rotating the arms(12) by a shaft. A grip member(13) is installed at a lower end portion of the arms(12) in order to grip a wafer. A grip portion is installed on each upper portion of the arms(12) in order to grip an upper portion of a carrier. The rotation portion(11) is a rotary motor connected with a rotary shaft of a main body of the robot(10) in order to rotate the robot(10) to a rotating direction of the arms(12). The grip portion is extended to an opposite direction to the grip member(13).
Patent KR-20020088443-A (KR)
Title: Truck run by electricity
Inventor: LEE JONG TAE
IPC: B61F5/00
Filed: 2001-05-17
Abstract: PURPOSE: A motor-driven truck is provided to save cost for public works by removing the necessity of a work for cable protection, to prevent an accident by suppressing the formation of recesses on the ground, and to easily repair and check a truck by changing the position of a cable reel. CONSTITUTION: A motor-driven truck comprises a rectangular frame(10), driving wheels(22) driven by a drive motor and having first recess(22a) of a specific depth, following wheels(31) installed on the same line with the driving wheels, simultaneously rotating by the driving force of the driving wheels, and having second recesses(31a) formed in the shape the same as that of the first recesses, and a cable reel assembly(40) installed in one side of the frame and wound with a power supply cable(41a) passing through the first and second recesses on the straight line. According to the first and second recesses, the cable is protected without a separate work.
Patent KR-20020088982-A (KR)
Title: Suction hose length control system of vacuum cleaner
Inventor: JUNG JAE DEOK
IPC: A47L9/24
Filed: 2001-05-22
Abstract: PURPOSE: An intake hose adjusting apparatus of a vacuum cleaner is provided to contain compactly a long intake hose into a storage device by installing first and second supporting holders inside the intake hose. CONSTITUTION: An intake hose adjusting apparatus comprises a flexible intake hose capable of extending and contracting, a first support holder(31) and a second support holder(32) fixed at the intake hose, an inserting guide portion(33) extended from the first support holder, and an inserting portion(34) extended from the second support holder. The inserting guide portion is composed of a guide formed inside the intake hose and a plurality of fixing recess. The inserting portion moves along the guide of the inserting guide portion, and includes a hook(36) inserted and fixed at the fixing recess.