baber/WOPTO huggingface dataset:
Patent KR-20100091474-A (KR)
Title: Multiwavelength laser diode driving apparatus
Inventor: KOO BON JO
IPC: H01S5/026
Filed: 2009-02-10
Abstract: PURPOSE: A multi wavelength laser diode driving apparatus is provided to expand the wavelength bandwidth in simple structure by installing a plurality of laser diodes generating the light of different bandwidth in a single package. CONSTITUTION: A laser diode module(230) generates the light of a plurality of wave lengths. A power supply module supplies the power to the laser diode module. The laser diode module includes a plurality of laser diodes(232, 234) which generate the light of different wave lengths. The laser diodes are coupled serially or parallelly. A control module selectively controls the driving operation of the laser diodes. The laser diode module is installs to a sub mount(202).
Patent KR-20100092111-A (KR)
Title: Apparatus for fabricating solar cell and method for fabricating solar cell uesing the same
Inventor: PARK WON SEO
IPC: H01L31/00
Filed: 2009-02-12
Abstract: PURPOSE: The manufacturing method of the manufacturing device of the solar battery and solar battery using the same forms the thin film patterns of the solar battery on the predetermined position. CONSTITUTION: The camera(110) in advance takes a photograph of the location examining laser. The laser-irradiated region(120) examines laser in the thin film material. The error determining unit(130) decides error between the search point of the laser which in advance in advance records with the fixed the laser irradiation route and camera. It controls the laser-irradiated region and the controller(140) revises error.
Patent KR-20090094762-A (KR)
Title: Liquid crystal device, electronic device and projector
Inventor: OKUMURA OSAMU
IPC: G02F1/1335
Filed: 2009-03-02
Abstract: A liquid crystal display device, an electronic device and a projector are provided to prevent the contrast deterioration caused by the retardation. A liquid crystal layer(20) includes liquid crystal molecules in which the initial aligned state shows the parallel alignment. The liquid crystal molecules have a pre-tilt angle and are aligned in a predetermined direction on a substrate. The liquid crystal panel emits the light of maximum intensity in the direction different from the normal direction of the substrate. A pair of polarizing plates(36,56) are arranged at both sides of the liquid crystal panel. The liquid crystal panel emits the light which is incident from one of the polarizing plates to the other side.
Patent KR-20100098827-A (KR)
Title: Sword guard
Inventor: KANG DU JIN
IPC: A63B69/02
Filed: 2009-03-02
Abstract: PURPOSE: A bamboo sword guard, having an insertion hole which inner diameter is adjusted through a plurality of elastic pieces, is provided to enable a user to fix the guard to a predetermined position by inserting the guard into a handle of a bamboo sword without using a separated a guide support. CONSTITUTION: A bamboo sword guard is inserted into a handle of a bamboo sword(S) to protect the hands of a user. The guard(100) includes an insertion hole which is inserted into the handle(H). Multiple elastic pieces are radially included on the circumference of the insertion hole. The guard is fixed to an optimal position of the handle when the handle of the bamboo sward is inserted into the insertion hole and the elastic pieces are pushed to the outer side of the guard.
Patent KR-20100099436-A (KR)
Title: A washing machine
Inventor: SIN SOO HEE
IPC: D06F25/00
Filed: 2009-03-03
Abstract: PURPOSE: A washing apparatus is provided to prevent a sealing member from becoming lost during movement even if a plurality of molded products are separated. CONSTITUTION: A washing apparatus comprises a tub, a drum(110), an air duct(130), and a sealing member. The tub is installed in a cabinet. The washing water is supplied into the tub. The drum is rotatably installed in the tub. The drum stores the laundry and the washing water and performs a washing process. The air duct comprises first and second ducts(160,170). The first and second ducts supply the air of a high temperature to the drum. The sealing member is located between the first and second ducts. The sealing member prevents the outflow of the air from the air duct.
Patent KR-20100099451-A (KR)
Title: Fabrication method for nitride phosphor using spark plasma sintering
Inventor: HONG SEONG HYEON
IPC: C09K11/02
Filed: 2009-03-03
Abstract: PURPOSE: A method for manufacturing nitride phosphors using a spark plasma sintering method is provided to obtain faster reaction time than a gas pressure sintering method, to economically manufacture the nitride phosphors at low nitrogen pressure(or a vacuum condition), and to prevent carbon contamination. CONSTITUTION: A method for manufacturing nitride phosphors uses an electric discharge plasma sintering apparatus including a carbon mold(22) and first and second carbon punches(23,24). The method comprises the following steps: providing a phosphor powder material(21) including nitride powder and an activator; coating a part of a carbon film with boron nitride; arranging the carbon film along the inner wall of the carbon mold and putting the phosphor powder material into the carbon mold; installing the carbon mold in a chamber of the electric discharge plasma sintering apparatus and removing oxygen from the chamber; sintering the phosphor powder material mixture by pressurizing the mixture; and obtaining phosphor powder by pulverizing the sintered material.
Patent KR-20100100037-A (KR)
Title: Illuminating device for play apparatus
Inventor: LEE YOUNG WOO
IPC: F21V33/00
Filed: 2009-03-05
Abstract: PURPOSE: A lighting device for amusement ride is provided to prevent the safety accident due to the collision with an amusement ride by using a proximity sensor which detects an object approaching to the amusement ride at night. CONSTITUTION: A driving gear(130) is installed to be rotatable by interposing a bearing(120) on a shaft installed to be rotatable. A generation motor(140) comprises a driven gear meshed with the driving gear. The generation motor is generated by the rotation of the driven gear. A capacitance battery(150) stores the electrical energy generated by the generation motor. A proximity sensor(190) is installed on the amusement ride.
Patent KR-20100101885-A (KR)
Title: Method for manufacturing metal electrode having transition metallic coating layer and metal electrode manufactured thereby
Inventor: KIM HAK KWAN
IPC: H01G9/04
Filed: 2009-03-10
Abstract: PURPOSE: A method for manufacturing a metal electrode with high contact resistance and high electric conductivity and the metal electrode manufactured by the same are provided to maintain pseudo capacitance by an oxidation and reduction reaction by coating a transition metal oxide on the surface of a metal. CONSTITUTION: An aluminum mold or polymer mold(10) is prepared. A metal substrate(20) is formed by sputtering a first metal on one side of the aluminum mold or polymer mold. A plurality of metal nano wire arrays(30) is formed by filing the second metal on a plurality of fine holes of the aluminum mold or polymer mold. A plurality of metal nano wires are exposed by removing the aluminum mold or polymer mold. A transition metal oxide(40) is coated on the surface of the metal substrate and the plurality of metal nano wire arrays.
Patent KR-20100103950-A (KR)
Title: 부품 교체가 용이한 엘이디 등기구
Inventor: KIM KWAN SOO
IPC: F21S2/00
Filed: 2009-03-16
Abstract: 본 발명은 부품 교체가 용이한 LED 등기구에 관한 것으로, 인쇄회로기판에 복수의 LED가 종횡으로 배열 설치되어 있는 LED모듈과, 외부로부터 공급되는 AC전원을 DC전원으로 변환시켜주는 인버터와, 상기 인버터에서 공급되는 전원을 미리 입력된 프로그램에 따라 상기 인쇄회로기판에 종횡으로 배열 설치된 복수의 LED을 점멸작동시키는 드라이버를 구비하고 있는 LED 조명등이 하나 이상으로 설치되는 LED 등기구에 있어서, 
     상기 LED 조명등은, 천정에 설치되는 천정금구에 고정 부착되어 외부로부터 전원을 공급받는 메인콘센트와, 저면에는 상기 LED모듈의 인쇄회로기판이 고정 부착되며 상면 양측에는 서로 일정간격으로 이격된 채 나란히 부착되는 상기 인버터 및 드라이버 그리고 상기 메인콘센트와 전기적으로 접속 및 이완 가능하도록 상기 인버터와 드라이버 사이에 고정 부착되는 플러그가 형성되어 있는 중간지지판과, 상기 중간지지판을 감싼 상태로 상기 천정금구에 고정 부착되는 내부조명커버의 부품을 구비하고 있으며, 상기 LED 조명등의 각 부품들은 상기 내부조명커버 내부에 수용된 채 내부조명커버의 중심부에 형성된 볼트조립부를 통해 삽입되어 인쇄회로기판, 플러그, 메인콘센트의 순서로 관통하여 상기 천정금구의 나사조립부에 나사체결되는 체결볼트에 의해 분리 교체가 가능하게 조립 설치되는 것을 특징으로 하는 발명이다. 
     
     LED 등기구, LED 조명등, 인버터, 드라이버, LED모듈, 인쇄회로기판, 콘넥터, 메인콘센트, 플러그, 내부조명커버, 외부조명커버
Patent KR-20100106817-A (KR)
Title: Straw cover for free a glass
Inventor: KO HEA JIN
IPC: B65D51/24
Filed: 2009-03-24
Abstract: PURPOSE: A straw cover for a free cup is provided to enable a user to use the straw cover for freely and stably using the contents in the cup in a shaken place. CONSTITUTION: A straw cover for a free cup includes an insertion hole(22) and a vent hole(20) at the upper portion thereof to insert a straw(30) into the cup. In addition, the cover has a lid made of silicon material. The lid has the insertion hole, and the upper circumference portion of the cup has an upper circumference protrusion.
Patent KR-20100081897-A (KR)
Title: Apparatus and method for generating synchronization channel in wireless communication system
Inventor: PARK SUNG EUN
IPC: H04J11/00
Filed: 2009-03-31
Abstract: PURPOSE: A synchronization channel generating apparatus in a wireless communication system and a method thereof are provided to improve time synchronization performance in a cell boundary by maintaining repetitive pattern twice in a time domain. CONSTITUTION: A sequence generator(800) generates the main synchronization channel sequence according to the additional information. A modulator(802) modulates the main synchronization channel sequence from the sequence generator. A sub carrier mapping unit(804) maps the modified main synchronization channel sequence into a predetermined subcarriers.
Patent KR-20100110913-A (KR)
Title: Nano drink and liquor
Inventor: CHUNG YONG JIN
IPC: A23L2/52
Filed: 2009-04-06
Abstract: PURPOSE: A nano drink and liquor is manufactured by using more than one of nano material, micro material, nutrient, and hangover reducing agent. CONSTITUTION: In a method of manufacturing a nano drink and liquor, more than one of water, liquid stock, extract, yeast, enzyme, colorant, flavoring agent, and additive is made as much as a nono size. The nano drink and liquor is processed by more than one of incorporation, pouring, administration, embedding, spraying, absorption, attachment, adhesion, paving, and coating.
Patent KR-20100111155-A (KR)
Title: Inertia type hybrid mount for vibration and shock suppression
Inventor: MOON SEOK JUN
IPC: F16F15/03
Filed: 2009-04-06
Abstract: PURPOSE: An inertia type hybrid mount for reducing vibration and impact is provided to absorb impact and noises from machinery. CONSTITUTION: An inertia type hybrid mount(10) for reducing vibration and impact includes a center plate(4), elastic rubber(3), a support plate(2), a bottom plate(1), a housing(23), and a piezoelectric actuator(22). The elastic rubber is fixed to the center plate and includes a penetration hole(32,33). The support plate is arranged on the upper side of the elastic rubber. The bottom plate is arranged on the lower side of the elastic rubber. The housing is inserted into the penetration hole and is fixed to the lower side of the support plate. The piezoelectric actuator is arranged in the housing and provides repulsive force against the load applied to the support plate.
Patent KR-20100113426-A (KR)
Title: System for analyzing brain waves and method thereof
Inventor: LEE MIN HO
IPC: A61B5/0484
Filed: 2009-04-13
Abstract: PURPOSE: A system and a method for analyzing brain waves are provided to easily grasp a favorable impression on an object based on the analysis of the creativity measured by analyzing the measured brain waves. CONSTITUTION: A brain wave measuring unit(110) measures a brain wave signal of an object and includes a brain wave sensing module(111) and a communication unit(112). A detector(131) detects the creativity element by analyzing the measured brain wave. A determining unit(132) calculates the favorable impression on an object based on the detected creativity element. A user interface unit(140) informs a user of the favorable impression on the object.
Patent KR-20100115471-A (KR)
Title: Wrap film case
Inventor: YOO JAI YOON
IPC: B65D83/08
Filed: 2009-04-20
Abstract: PURPOSE: A wrap film case is provided to cut a wrap film without slipping through elastic force. CONSTITUTION: A wrap film case receives a wrap film roll(2) at an acceptance space(3a) of a case body(3) made of synthetic resin, and releases a wrap film(2a) rolled up on a wrap film roller so that the released wrap film passes through first and second support plates via a support guidance plate. An anti-slipping band is installed at each support plate, and a cutting blade(17) of a cover is placed between first and second support plates in order to cut the wrap film.
Patent KR-20100116321-A (KR)
Title: Mobile device having flexible printed circuit board
Inventor: LEE IN TAEK
IPC: H04B1/38
Filed: 2009-04-22
Abstract: PURPOSE: A portable terminal having a FPCB(Flexible Printed Circuit Board) is provided to expand the ground of a FPCB, thereby improving the radiation performance and ESD(ElectroStatic Discharge) performance of a portable terminal. CONSTITUTION: An FPCB(40) electrically connects a first electronic circuit board and a second electronic circuit substrate. The FPCB transfers an electric signal. A ground expanding unit(50) is connected to one end of the FPCB connected to the first electronic circuit substrate. A ground layer, which is connected to the ground line of the FPCB, is formed inside the ground expanding unit. The ground expanding unit is connected with a noise blocking unit.
Patent KR-20100116372-A (KR)
Title: Three phase rectifying system and method for reducing input current harmonics
Inventor: SEOL SENG GI
IPC: H02M7/217
Filed: 2009-04-22
Abstract: PURPOSE: A three phase rectifying system and a method for reducing input current harmonics are provided to reduce the size and costs of a whole system by reducing an inductor from a DC terminal. CONSTITUTION: A three phase input terminal(22) is connected to a three phase AC voltage source. Three phase input terminal has a three-phase rectifier. Three phase injection circuit is connected to the three phase input terminal to apply harmonic current. An electric current control circuit part(24) controls the three phase injection circuit part. An electric current control circuit part comprises a pair of PWM(Pulse Width Modulation) inverters and an inductor. The inductor is connected to the neutral point between a pair of PWM inverter and the three phase injection circuit part.
Patent KR-20090050037-A (KR)
Inventor: KWON BYONG HA
IPC: B60K26/00
Filed: 2009-04-29
Abstract: 본 고안은 자동차 운전자가 액셀러레이터 페달조작을 발과 병행하여 손으로도 조작할 수 있게 한 것이다. 자동차의 액셀러레이터, 브레이크, 클러치 페달 등에 부착하여 페달 조작시 발이 닿는 면적을 넓혀 미끄러짐을 방지하고 외관을 미려하게 개선하는데 사용하는 페달 보조커버중 오른 발이 액셀러레이터 페달을 조작하는데 지장이 없도록 액셀러레이터용 보조커버의 오른쪽 부분에 나사홈이 나있는 회동축이 있어, 이 회동축에 끼워 빠지지않도록 나사로 고정할 수 있는 원통형링이 구비되고, 길이 조절놉(Knob)이 있어 길이를 조절할 수 있도록 이중 파이프로 구성된 커넥팅 로드가 여기에 연결되어있고, 커넥팅 로드의 다른 끝은 박스형상의 동력변환장치 내의 서로 다른 두 개의 회동 축에 의해 회전운동을 하는 손잡이가 달린 주회전체와 주회전체의 회전과 연동하여 회전하게되는 부회전체 중 부회전체의 상부 가장자리에 위에서 아래로 움직이면서 회동할 수 있도록 연결핀으로 고정되어 있다. 두 개의 회전체중 손잡이가 부착된 주회전체를 앞으로 밀어 회전운동을 시키면 주회전체보다 더 큰 회전각도로 다른 회동축에 연결된 부회전체가 연동하여 회전운동을 할 수 있도록 두 개의 회동축을 잇는 가상의 일직선상 위에 두 개의 회동축 거리보다 짧은 거리에 주회전체를 관통하는 원기둥을 부회전체에 고정하고, 이 원기둥이 주회전체 상에서 이동하는 궤적에 따라 직사각 형태로 원기둥 지름보다 조금 더 큰 폭의 장공을 주회전체에 만들어, 주회전체에 고정된 손잡이를 운전자가 손으로 앞쪽으로 밀면 주회전체에 만들어진 이 직사각 형태의 장공이 부회전체의  원기둥을 움직여 부회전체를 회전시키면서 부회전체에 연결된 커넥팅 로드가 액셀러레이터 페달을 오른 발대신 누를 수 있도록 하여, 운전자가 장거리 운행시 주로 오른 발만 사용함으로써 야기되는 신체의 변형과 피로를 경감시키고 바른 운전자세를 유지할 수 있도록 하여 운전자의 건강과 안전운전에 도움을 주도록 한 것이다. 
     
     액셀러레이터 페달
Patent KR-20100124922-A (KR)
Inventor: KWON DO KYONG
IPC: A47J36/02
Filed: 2009-05-20
Abstract: PURPOSE: A method for manufacturing a non-stick cooker is provided to increase a non-stick function by minimizing the contact area with foods during cooking. CONSTITUTION: A method for manufacturing a non-stick cooker comprises the steps of: molding a cooking vessel in a desirable shape; having a concavo-convex on an inner bottom plane of the molded aluminum cooking vessel; removing each kind of foreign materials from the aluminum cooking vessel; forming the concavo-convex to improve sticking property; spraying and drying the printing liquid which is mixed with polyethylene glycol - tri methyl nonyl ether, PFA, acrylic polymer, oxide aluminum, carbon black, ethanol, triethanolammine and poly tetra fluoro ethylene; forming a pattern on the printing layer; and sintering the printing layer on which the pattern is formed.
Patent KR-20090071520-A (KR)
Title: Chloranthus glaber extract using micro-clustered sea deep water and its topical application to the atopy skin
Inventor: LEE JIN WOOK
IPC: A61Q19/00
Filed: 2009-05-24
Abstract: A Chloranthus glaber extract isolated from deep seas water which is converted to micro-clustered water is provided to promote the skin cell activity, improve moisture supplying ability and biosynthesis ability of collagen in dermis and relieve skin irritation. A composition for improving atopic dermatitis cure comprises 0.1-50 weight part of a Chloranthus glaber extract isolated from deep sea water which is converted to micro-cluster water. The concentration of the deep sea water is 5-80%. The composition is a composition for skin care. The composition for skin care is used in a form of emulsion, lotion, cream, skin softener, essence, pack, gel, powder, lip stick, make-up base, foundation, ointment, patch, cleansing foam, cleansing cream, cleansing water, or spray. The composition is a composition for health food. The composition for health food is used in a form of beverage, gel or pill.
Patent KR-20100117004-A (KR)
Inventor: YOO HWA YALE
IPC: A63B19/02
Filed: 2009-06-08
Abstract: 본 발명은 훌라후프에 관한 것으로서, 더욱 상세하게는 다수의 단위체를 결합하여 하나의 훌라후프를 형성할 수 있고, 단위체의 갯수를 조절하여 길이를 조절할 수 있으며, 단위체를 체결부재로 결합함으로써 단위체의 체결을 용이하게 하는 훌라후프에 관한 것이다. 
     상기한 목적을 달성하기 위한 본 발명은 훌라후프에 있어서, 상기 훌라후프는 단위체를 연접하여 이루어지되 체결부재에 의해 결합되고, 상기 단위체는 상면과 양측면의 상부가 개방되며 양측면에는 체결바가 형성되는 것을 특징으로 한다. 
       
     훌라후프, 길이 조절, 착탈식, 체결돌기, 이동성, 휴대성, 접이식
Patent KR-20100132200-A (KR)
Title: Jig for making mold an optical plate
Inventor: KIM JENG O
IPC: G02B5/04
Filed: 2009-06-09
Abstract: PURPOSE: A jig for an optical sheet flat panel mold is provided to minimize the thermal transformation due to a laser welding method by closely attaching and fixing a flat panel to the jig. CONSTITUTION: A jig for an optical sheet flat panel mold includes a heat conductive thin film(10), an electromagnet(30), a steel bar(40), a first roller(21), and a second roller(26). The electromagnet is placed at the lower side of the heat conductive thin film. The steel bar is detachably placed on the heat conductive thin film. The first roller is in parallel with the second roller. A flat panel is placed between the heat conductive thin film and the steel bar. The heat conductive thin film is placed between the first roller and the second roller.
Patent KR-20100134891-A (KR)
Title: Extraction device and methode using supercritical fluid
Inventor: KIM HYUN HYO
IPC: C02F1/26
Filed: 2009-06-16
Abstract: PURPOSE: An extractor using a supercritical solvent which easily extracts the high capacity sample with the enlargement of the diameter of the extractor is provided to supply the supercritical solvent with the flow of each valve to the lower and upper of the extractor. CONSTITUTION: An extraction unit(100) includes inlet and outlet. A solvent storage unit(200) stores solvent. A converting unit(400) converts the solvent into the supercritical solvent. A second converting unit(500) changes the supercritical solvent into the solvent of the liquid state. A first valve controls the flow of the supercritical solvent of the inward of the extractor. A second valve controls the flow of the supercritical solvent to the outside of the extractor.
Patent KR-20100136656-A (KR)
Title: 공명현상을 이용하여 물에 음향을 전달하는 장치
Inventor: PARK JOON SU
IPC: C02F1/68
Filed: 2009-06-19
Abstract: 본 발명은 물을 담은 수조의 상부에 음향발생장치를 설치하고, 이 음향발생장치에 의해 발생한 음향을 공명현상에 의해 증폭시켜 수조에 저장된 물에 직접적으로 전달될 수 있도록 한 것을 특징으로 하는 공명현상을 이용하여 물에 음향을 전달하는 장치에 관한 것으로, 장치의 구조가 간단하고, 스피커 등을 통하지 않고 직접 물에 음향을 전달하여 물의 미세한 진동에 의해 물분자의 활동을 활발하게 하기 때문에 전기합선 등과 같은 안전사고를 예방할 수 있으며, 특히 공명현상에 의해 증폭된 음향을 직접 물에 전달함으로써 음향의 전달효과가 좋으므로 물분자의 운동이 활성화된 처리수를 이용하여 야채, 과일, 식기, 세탁물 등의 세척시 세척성이 우수하고, 음용할 수도 있어 그 수요가 확대할 것으로 기대된다. 
       
     음향, 물, 공명현상, 수조, 음향발생기, 음향전달부재, 충진재
Patent KR-20100138116-A (KR)
Title: Cooling and heating cabinet for automotive vehicles
Inventor: KANG SUNG HO
IPC: B60N3/10
Filed: 2009-06-24
Abstract: PURPOSE: A cooling and heating cabinet for a vehicle is provided to noticeably enhance the cooling performance of a cooling chamber since the cold air from the vehicle room is supplied to the cooling chamber. CONSTITUTION: A cooling and heating cabinet for a vehicle comprises a cold air supply unit(10), a cold air supply pipe(20), a cold air discharge pipe(30), a cooling function sensor(40), a controller and an on/off valve(60). The cold air supply unit supplies the cold air. The cold air supply pipe supplies the cold air from the cold air supply unit to a cooling chamber(3). The cold air discharge pipe discharges the supplied cold air to the outside. The cooling function sensor senses the operation of the cooling function of the cooling and heating cabinet. If a sensing signal(C1) is input from the cooling function sensor, the controller outputs a control signal(C2). The on/off valve opens the cold air supply pipe and the cold air discharge pipe according to the control signal of the controller to allow the cold air to be supplied to the cooling chamber.
Patent KR-20100138630-A (KR)
Title: Compounds for organic photoelectric device and organic photoelectric device containing the same
Inventor: JUNG SUNG HYUN
IPC: H05B33/10
Filed: 2009-06-25
Abstract: PURPOSE: A compound for an organic photoelectric device is provided to ensure thermal stability and high luminous efficiency. CONSTITUTION: A compound for an organic photoelectric device is gradually bound to substituents of chemical formulas 1-3. In chemical formulas 1-3, Q^1-Q^5 and Qa^1-Qa^5 are each different or same N or CR; and R^1-R^5 is each same or different hydrogen, substituted or non-substituted carbazolyl group, substituted or non-substituted aryl group of C6-C30, substituted or non-substituted heteroaryl group of C3-C30, substituted or non-substituted aryl amine group of C6-C30 or mixture thereof.
Patent KR-20110001318-A (KR)
Title: Slide hinge apparatus
Inventor: KIM SE JUN
IPC: H04M1/02
Filed: 2009-06-30
Abstract: PURPOSE: A slide hinge apparatus preparing a first and second elastic members on the other side of a first plate is provided to seal a blocking plate by directly moving the blocking plate of a first plate. CONSTITUTION: A first plate(10) includes a predetermined opened space part. A second plate(20) slides the first plate. A first elastic member elastically interlinks the first plate and the second plate. A blocking plate(40) selectively opens and closes the space part about the first plate. The second plate seals the space part of the first plate by the direct movement of the blocking plate in sliding movement.
Patent KR-20110001469-A (KR)
Title: Space type evacuation ladder
Inventor: HWANG YOUNG MIN
IPC: A62B3/00
Filed: 2009-06-30
Abstract: PURPOSE: A space saving emergency ladder is provided to enable a survivor to rapidly escape risk in case of emergency, such as fire, since a ladder is unfolded within a short time. CONSTITUTION: A space saving emergency ladder comprises a fixing part(100), a emergency ladder(200), and a fire and heat blocking part(300). The fixing part fixes the emergency ladder to the ceiling of a building veranda. The emergency ladder can be unfolded from the fixing part to form a space through which an escapee can move. The fire and heat blocking part protects the emergency ladder and prevents damage to the emergency ladder and the spread of fire since the blocking part is spread downwardly in case of fire.