baber/WOPTO huggingface dataset:
Patent KR-20110113444-A (KR)
Inventor: AN KYUNG SU
IPC: E01D21/00
Filed: 2010-04-09
Abstract: 본 발명은 조인트 유닛구조에 의하여 트러스부재의 가조립이 가능하도록 함과 동시에 그 구조가 간단하여 가조립이 용이하게 이루어지도록 함에 첫 번째 목적이 있고, 가조립된 상태에서 용접이 이루어짐으로써 용접이 용이하고 정확하게 이루어지도록 함에 두 번째 목적이 있으며, 가조립된 상태에서 트러스부재가 이루는 평면이 제 위치에서 제대로 된 평면인지에 대한 확인 및 보정이 가능함으로써 정확한 트러스 구조의 제작이 용이하도록 함에 세 번째 목적이 있고, 가조립된 상태에서 트러스구조의 용접 및 제작이 용이하게 이루어짐으로써 효율적이고 경제적인 트러스교의 시공이 되도록 함에 네 번째 목적이 있다.  
조인트 유닛구조의 구성은 유닛구조 몸체부(22)와 트러스부재 연결가지부(23)가 일체로 형성되고, 트러스부재 연결가지부(23)에는 연결 링(24)이 삽입되어있으며, 연결 링(24)은 트러스부재 연결가지부(23)를 향하여 S만큼 출몰이 가능하고, S만큼 돌출된 연결 링(24)에 의하여 트러스부재의 가조립이 이루어지도록 된 구성이다. 
이와 같이 구성된 본 발명은 조인트 유닛구조에 의하여 트러스 구조가 가조립된 상태에서 용접하게 되므로 용접이 용이할 뿐 아니라 가조립 상태의 정확한 트러스구조가 그대로 유지되므로 트러스구조가 안정적이고 용접이 정밀하여 품질이 뛰어나다. 그 뿐만 아니라 트러스구조의 제작이 효율적이고 경제적인 유용한 발명이다.
Patent KR-20110115826-A (KR)
Inventor: KIM JEONG HO
IPC: A01K29/00
Filed: 2010-04-16
Abstract: 본 발명은 개 또는 고양이 등의 애완동물이 활동중이거나 다리를 전(前)방향 또는 후(後)방향으로 뻗어 누울 경우 발목보호대가 전방향 또는 후방향으로 접혀지게 되어 발목을 보호할 수 있도록 한 것으로, 
본 발명의 일 실시예에 의한 애완동물용 신발은, 
애완동물용 신발에 있어서, 
애완동물의 발바닥을 받쳐주고 안쪽 바닥면에 발톱이 안착되는 안착홈 및 공기 배출용 쿠션부가 형성되는 바닥부와, 
바닥부에 일체형으로 연장형성되며 애완동물의 발 및 발목을 수용할 수 있도록 출입용 개구부가 형성되는 몸체부와, 
애완동물이 발을 앞쪽 또는 뒷쪽 방향으로 뻗어 누울 경우 발목을 압박하지않도록 몸체부와 바닥부가 교차하는 앞쪽 및 뒷쪽에 적어도 1단 이상으로 형성되는 주름부를 포함한다.
Patent KR-20110116641-A (KR)
Inventor: YOOK DONG CHUL
IPC: E01F15/08
Filed: 2010-04-20
Abstract: 본 발명은 식물의 식생이 용이한 친환경 중앙분리대에 관한 것으로, 그 구성은 내부에 물이 수용되는 공간을 가지며, 상부는 개방된 개구부를 가지며, 상단 일측에는 물이 유입되는 유입구가 형성되며, 하단 일측에는 물이 유출되는 유출구가 형성되는 몸통부재;와, 상기 몸통부재에 형성된 유입구 및 유출구의 개폐를 결정하는 것으로, 상기 유입구 및 유출구에 각각 형성되는 덮개;와, 수분흡수성을 갖는 재질로 형성되며, 하부는 상기 몸통부재에 삽입되어 위치하되, 상부에는 식물이 심어지기 위한 흙이 수용되는 수용홈이 하나 이상 형성되며, 하부에는 상기 몸통부재에 수용된 물과 접촉되어 식생에 필요한 물을 흡수 공급하여 상기 수용홈에 수용된 흙으로 공급되도록 하방으로 수직 연장되는 흡수부가 적어도 하나 이상 형성되는 식생용 매트;로 된 것을 특징으로 하는 것으로서,  
상기 식생용 매트의 흡수부를 통해서 식물에 지속적으로 적정량의 수분을 공급시킴으로써, 식물 유지관리가 간단할 뿐만 아니라 전체적인 구조가 간단하여 제품의 단가가 낮아 제품의 사용 범용성을 확보할 수 있는 효과가 있다. 
또한, 평상시에는 식물의 식생에 필요한 물을 식생용 매트의 흡수부를 통하여 흡수하여 식생용 매트의 상부에 수용된 흙으로 공급하고, 우천시에는 빗물을 식생용 매트의 흡수부를 통해 몸통부재의 내부공간에 공급하여 식생에 필요한 물이 저장되도록 하므로, 물공급 관리에 필요한 인적인 요소가 배제되어 유지 및 관리비용의 소모가 적어 사용 범용성을 확보할 수 있는 효과가 있다.
Patent KR-20100122445-A (KR)
Title: Cleaning apparatus, substrate processing system, cleaning method, and storage medium
Inventor: AMIYA MICHITAKA
IPC: H01L21/302
Filed: 2010-04-28
Abstract: PURPOSE: While the EE maintenance unit is washed since the washing solution is sprayed in the maintenance unit of the holding member in which the cleaning device, the substrate processing system, and the cleaning solution and storage media do the maintenance of substrate, it prevents from the washing solution being attached to the spot in which the drying treatment in the holding member difficult base part. CONSTITUTION: In maintenance units(31p, 32p, 33p), the retaining groove for keeping substrate are plural number formed. The holding member(31) is expanded from the maintenance unit and base part in which the retaining groove is not formed are had. The washing of the maintenance unit is done since the cleaning unit dies of resentment the washing solution on the maintenance unit of the holding member.
Patent KR-20110122441-A (KR)
Title: A method of forming a nano structure
Inventor: CHOI CHOON GI
IPC: B41M1/24
Filed: 2010-05-04
Abstract: PURPOSE: A method for forming a nano-structure is provided to easily expand the area of the nano-structure and to simplify operational processes by forming the nano-structure based on a roll-to-roll imprinting process. CONSTITUTION: A method for forming a nano-structure(160) includes the following: An imprint roller containing a plurality of nano-holes is formed. The nano-holes are capable of being regularly arranged. A roll-to-roll imprinting process is implemented on a substrate(162) using the imprint roller in order to form nano-protrusions(168). The nano-protrusions are hardened based on the irradiation of ultraviolet ray.
Patent KR-20110123376-A (KR)
Title: Method and apparatus for supplying power in tunnel
Inventor: CHO JE HEAN
IPC: H02N2/00
Filed: 2010-05-07
Abstract: PURPOSE: A power supply system in a tunnel and an apparatus thereof are provided to save energy by generating power using a noise which is generated in an artificial structure and supplying the power to a load. CONSTITUTION: A power storage facility(201) receives electrical energy from a plurality of energy conversion parts(100-1-100-N) and stores the electrical energy. An energy conversion part generates and charges power. The power storage facility is connected to a power controlling part(200). The power controlling part is provided with the power from the power storage facility or a main power supply part(400). The main power supply part offers the power to loads(300-1-300-M) in a tunnel.
Patent KR-20110127490-A (KR)
Title: Composition comprising black yeast, mulberry leaf and black garlic for improving lipid metabolism and liver function
Inventor: CHOI CHUL YUNG
IPC: A61K36/605
Filed: 2010-05-19
Abstract: PURPOSE: A composition containing black yeast, black garlic, and mulberry leaves is provided to improving lipid metabolism and liver function. CONSTITUTION: A composition for improving lipid metabolism or liver function contains dry powder of black garlic, hot water extract of mulberry leaves, and dry powder of black yeast in a weight ratio of 1::3.6-4.4:4.5-5.5. The composition reduced blood glucose, total cholesterol, and neutral lipid. The composition also reduces enzyme activity of GOT and GPT.
Patent KR-20110127792-A (KR)
Title: Crank shaft for automobile
Inventor: HEO MIN
IPC: F16C3/04
Filed: 2010-05-20
Abstract: PURPOSE: A crank shaft for a vehicle is provided to increase a stress concentration factor by forming a crank arm in an arc shape. CONSTITUTION: A crank shaft(100) for a vehicle converts explosive power from an engine into a rotary motion. The crank shaft comprises crank pins(110) and crank arms(120). The crank arms are connected to each other through the crank pins. The top of each crank arm has a thinner thickness than the bottom of the crank arm to reduce the weight of the crank shaft and to increase the stress concentration factor of the crank shaft.
Patent KR-20110129716-A (KR)
Title: A cooking apparatus using microwave and method for operating the same
Inventor: MOON HYUN WOOK
IPC: F24C7/08
Filed: 2010-05-26
Abstract: PURPOSE: After the ash scan process is passed, it controls in order to be proceed the scan process of the total frequency band in final. The action efficiency can be optimized about the heating object in the physical property change. CONSTITUTION: A cooking apparatus using microwave and method for operating the same comprises a microwave generating unit and a controller It is created a plurality of microwaves for heating the object of the cavity inside and the microwave generating unit outputs(S401). In controller is the first scan duration, a heating efficiency based on the microwave reflected to among outputted a plurality of microwaves from the cavity inside is computed(S405). According to the heating efficiency which controller is calculated, the microwave for heating is produced(S409). In controller is the first heating zone, in order to output the microwave for the heating calculating to the cavity inside the microwave generating unit is the controlled. In controller, the heating up period at the first heating zone exceeds the first settlement period, the heating efficiency is re-operated at least among a plurality of microwaves about a part. Based on the heating efficiency, the controller is re-calculated. In order to be more proceed the second scan duration re-computing the microwave for heating it controls.
Patent KR-20110130584-A (KR)
Title: Device for watching boundary and attacking by sound wave using directional sound wave transmitting speaker
Inventor: JE YOUNG HO
IPC: H04R1/32
Filed: 2010-05-28
Abstract: PURPOSE: A monitoring sound wave attacking device using a directive sound wave transmitting speaker is provided to form a structure for opening/closing the front side of the device, thereby blocking dust such as rain or yellow sand. CONSTITUTION: A main body(100) includes a directive speaker(110). The directive speaker transmits a high power sound wave to a remote place by preventing spread of a sound wave. A laser point(120) is installed on the outside of the main body. The laser point points a remote target using high power laser. A search light(130) is installed on the outside of the main body and has strong directivity. The search light has high brightness and long lifetime. The search light is made of LED bulbs. A camera(140) is installed on the outside of the main body. The camera takes a photograph during day. An infrared camera(150) takes a photograph at night.
Patent KR-20110131487-A (KR)
Title: Device for water magnetization and purification
Inventor: GIM CHANG YONG
IPC: B01D35/06
Filed: 2010-05-31
Abstract: PURPOSE: A water magnetizing and purifying apparatus is provided to improve the magnetization rate of the apparatus and to purify water in addition to the generation of magnetized water. CONSTITUTION: A main pipe body(10) includes an introducing pipe(12) and a discharging pipe(14). Water is introduced through the introducing pipe. The discharging pipe discharges purified and magnetized water to the outside. A lower cap(30) is combined with the lower side of the main pipe body and covers a magnetizing unit from the lower side. A purifying filter is arranged at the upper inner side of the main pipe body and purifies water through the hollow of the magnetizing unit. An upper cap(50) is combined with the upper side of the main pipe and covers the purifying filter from the upper side.
Patent KR-20100130158-A (KR)
Title: Polyester foam material having flame-resistant behavior
Inventor: JIE LI
IPC: C08K5/51
Filed: 2010-06-01
Abstract: PURPOSE: A polyester foam material is provided to ensure uniform and fine foam structure by adding fusible zinc phosphinate as a halogen free flame retardant. CONSTITUTION: A polyester foam material is an obtained by a reactive extrusion foaming of polyester resins. The polyester foam has a total heat release(THR600s) less than 6.0 MJ, a fire growth rate(FIGRA) less than 430.0 W/s, a total smoke production(TSP600s) less than 165.0 MJ and no flaming droplets/particles within 600s, wherein all parameters thereof are tested according to prEN 13823.
Patent KR-20110135435-A (KR)
Title: Oral cleaner
Inventor: KIM MIN SUNG
IPC: A61C17/02
Filed: 2010-06-11
Abstract: PURPOSE: An oral cleaner is provided to enable anyone to conveniently use the oral cleaner without the danger of an electricity accident. CONSTITUTION: An oral cleaner comprises: an inlet tube(200) through which raw water of a faucet flows in; an oral cavity main body which is attached to the end of the inlet tube and in which a nozzle is formed in one end thereof; and a first connector(250a) which is formed in a shape of a narrow pipe and in which a stopper is formed in the surface of the outside thereof.
Patent KR-20110136051-A (KR)
Title: Rotate the bottom of the elevator for the disabled
Inventor: KIM JUN HYUK
IPC: B66B11/02
Filed: 2010-06-14
Abstract: PURPOSE: A rotary bottom of an elevator for the disabled people is provided to enable a user, sitting on a wheelchair to get out of an elevator in straight line by rotating the wheelchair toward the doors of the elevator. CONSTITUTION: A rotary bottom of an elevator for the disabled people comprises a controller and an operating unit. The controller is composed of a pressure sensor(7) and is secondary operation switch. The pressure sensor senses whether a wheelchair is settled on the rotational plate. The operating unit is composed of a rotating plate(2), a ball bearing, a gear, a secondary supporting shaft, and a floor side. The rotational plate is installed in the center of the floor side to rotate using the ball bearing.
Patent KR-20110138620-A (KR)
Title: Apparatus for removing algae and method for removing algae using the same
Inventor: PARK YOUNG OHN
IPC: B01D21/01
Filed: 2010-06-21
Abstract: PURPOSE: An apparatus for eliminating algae and a method for eliminating algae using the same are provided to improve the eliminating efficiency of the algae by implementing a coagulating reaction with respect to algae, aluminum sulfate, and slaked lime. CONSTITUTION: A first reaction tank(10) receives lake water containing algae. Aluminum sulfate is introduced into the first reaction tank to be coagulated with the algae. A second reaction tank(20) receives the first reacted lake water. Slaked lime is introduced into the second reaction tank to be coagulated with the algae. A first precipitating tank(30) receives the second reacted lake water. A precipitating reaction is implemented. A second precipitating tank(40) receives the first precipitated lake water. Sludge is separated and is discharged.
Patent KR-20110043414-A (KR)
Title: Apparatus and method for transmitting/receiving signal
Inventor: CHOI JIN KYU
IPC: H04L27/36
Filed: 2010-06-30
Abstract: PURPOSE: A device and method for transmitting a signal are provided to halve a sampling rate using one of a positive frequency signal or a negative frequency signal. CONSTITUTION: A signal distributor(100) distributes base band signals corresponding to a plurality of frequency bands. A frequency converter(200) converts the distributed base band signals into one of a positive frequency signal or a negative frequency signal according to a frequency band. A frequency synthesizer(300) synthesizes the positive frequency signal with the negative frequency signal. The positive frequency signal and the negative frequency signal belong to one preset intermediate frequency band.
Patent KR-20120005269-A (KR)
Title: Data procdssing apparatus and method
Inventor: KIM SEOK IN
IPC: G06F12/00
Filed: 2010-07-08
Abstract: PURPOSE: A data processing device and method thereof are provided to process data at high speed by increasing the process speed of a core. CONSTITUTION: A prefetcher(100) receives data of 2XN data for supplying N-bit data to a processing device and stores data by N-bit. A validity setting device(112) stores validity information of data in the prefetcher. An address generating unit(120) generates the register and read address of the prefetcher. A prefetch controller(111) controls the storing location of data through the validity setting unit. A processing unit(130) processes data which is stored in the prefetcher.
Patent KR-20120007858-A (KR)
Title: Production system for resin composite panels and production method thereof
Inventor: JUNG BYUNG HUN
IPC: B23K20/04
Filed: 2010-07-15
Abstract: PURPOSE: A manufacturing apparatus for resin composite panels is provided to form resin layer and metal mesh, thereby increasing tensile strength and compression strength, and improving noise absorbability. CONSTITUTION: A manufacturing apparatus for resin composite panels comprises a front uncoiler(1), an adhesive binder unit(2), a pressure roll unit(3), an oven unit(4), a cooling unit(5), and a cutter(6). The front uncoiler supplies a metal mesh by releasing a metal mesh coil. The adhesive binder unit supplies an upper plate(22b) and a lower plate(23b) thorough an upper uncoiler(22) and a lower uncoiler(23). The adhesive binder unit spreads a resin on the corresponding side of the upper plate and the lower plate. The adhesive binder unit forms a composite plate between the upper plate and the lower plate. The pressure roll unit pressurizes the composite plate to constant thickness in the state of rolling-contacting the composite plate. The oven unit hardens the resin layer by heating the composite plate to the temperature of specified range. The cooling unit cools the composite plate supplied from oven unit to room temperature inside a cooling duct(51). The cutter manufactures resin composite steel panel by cutting the composite plate to standard blank unit.
Patent KR-20120008650-A (KR)
Title: Weight distributor and level adjusting apparatus having the same
Inventor: KIM KYUNG SOO
IPC: B63B9/00
Filed: 2010-07-19
Abstract: PURPOSE: A load dispersion unit and a level adjusting device including the same are provided to minimize damage to the ground surface by reducing the maximum pressure caused by loads. CONSTITUTION: A load dispersion unit(200) comprises a base(210) and a lip(220). The base, on which a cylinder is placed, has an area wider than the bottom of a cylinder body. The lip is projected on the top of the edge of the base in order to a portion of a cylinder.
Patent KR-20120009810-A (KR)
Title: Optical receiving apparatus and method for controlling phase offset for differential quadrature phase shift keying
Inventor: CHUNG HWAN SEOK
IPC: H04B10/06
Filed: 2010-07-21
Abstract: PURPOSE: A phase offset controlling method of an optical signal receiving device is provided to accurately control the phase offset between a signal which is delayed and a signal which is not delayed in optical delay interference for receiving a modulated optical signal. CONSTITUTION: An optical signal receiving apparatus receives an optical signal which is modulated by DQPSK(Differential Quadrature Phase Shift Keying)(800). The optical signal receiving apparatus delays the optical signal. The optical signal receiving apparatus generates a control signal(840). The optical signal receiving apparatus controls the phase offset of inter-signal interference(860).
Patent KR-20120010827-A (KR)
Title: Stylus Pen for Capacitive Type Touch Panel
Inventor: KIM SANG UK
IPC: G06F3/044
Filed: 2010-07-27
Abstract: PURPOSE: A capacitance touch panel stylus pen is provided to secure a user view in a touch input by reducing the cross sectional area of the tip of a core conductive unit. CONSTITUTION: A body unit(120) is extended in the longitudinal direction. An input unit(110) is located in one end of the body unit, through which a touch input to a capacitance touch panel is made. The input unit includes a core conductive unit connected to the body unit and a transparent electrode plate(114) connected to a tip unit(110a) of the core conductor. A cross sectional area of the tip unit is smaller than that of an area connected to the body unit. The transparent electrode plate with a larger cross sectional area of the tip unit comprises a touch surface. The area connected to the body unit of the core conductive unit is designed in a cylindrical shape.
Patent KR-20120011481-A (KR)
Title: Heat exchanger for waste heat of exhaust gas
Inventor: LEE HEON KYUN
IPC: F28F1/00
Filed: 2010-07-29
Abstract: PURPOSE: A heat exchanger for heat recovery of exhaust gas is provided to improve the ratio of heat recovery by extending a contacting area and time with circulating fluid because the circulating fluid is flowed zigzag along circulating tubes. CONSTITUTION: A heat exchanger for heat recovery of exhaust gas comprises a intake header(10), a discharge header(20), a plurality of circulating tubes, and a baffle. The inlet header comprises an inlet(12) where circulating fluid is flowed in. The discharge header comprises an outlet(22) where the circulating fluid is discharged. The circulating tubes are installed in a parallel between the intake and discharge headers and connect the intake and discharge headers. The baffle is installed in the intake and discharge headers and prevents a flow of the circulating fluid in order that the circulating fluid flows zigzag along the circulating tubes.
Patent KR-20120013851-A (KR)
Title: Plastic Card
Inventor: KIM JAE HYUNG
IPC: G06K19/077
Filed: 2010-08-06
Abstract: PURPOSE: A plastic card is provided to conveniently and simply supply payment which satisfies two factor requirements. CONSTITUTION: A display module(125) displays i display areas and j empty areas which display at least one of a point, a line, and a surface on a 2D coordinate area. A generation module(150) dynamically generates an encoding target value whose size can be encoded into i display areas and j empty areas. An encoding module(155) generates a 2D coordinate display value.
Patent KR-20120014794-A (KR)
Inventor: KWON SOON MO
IPC: H04B1/40
Filed: 2010-08-10
Abstract: 본 발명은 이동단말기 및 그의 사진 촬영 가이드 방법에 관한 것으로, 본 발명은 카메라를 구동하며 카메라의 위치관련정보를 획득하고, 그 획득한 위치관련정보를 서버로 전송하여 상기 서버로부터 상기 위치관련정보와 관련한 추천사진정보를 제공받으면 그 추천사진정보를 이용하여 사진 촬영을 수행한다.
Patent KR-20120015089-A (KR)
Inventor: YOON HYOUNG NAM
IPC: B60K11/00
Filed: 2010-08-11
Abstract: 본 발명은, 자동차용 라디에이터 쿨링팬이 설치된 쉬라우드의 일면에 장착된 공기조화기의 리저버 탱크의 장착구조에 있어서, 상기 리저버 탱크의 가장자리의 둘레에는 상기 쉬라우드를 대향하는 면에 제1홈이 형성되어 있으며, 상기 쉬라우드는 상기 제1홈에 삽입된 상태에서 진동 융착되어 상기 리저버 탱크와 일체로 고정되는 돌기부가 형성되어 있는 자동차용 리저버 탱크의 장착 구조를 제공한다. 
따라서, 본 발명은 진동 융착이 용이하며, 리저버 탱크의 홈을 형성한 부분에는 외부에서 융착된 물질이 외부에 노출되지 않아 미감을 일으키는 효과를 가진다.
Patent KR-20120015518-A (KR)
Title: Travel control apparatus for construction machinery and travel control method thereof
Inventor: CHOI DON OK
IPC: H04Q9/00
Filed: 2010-08-12
Abstract: PURPOSE: A driving control apparatus and a driving control method thereof for construction equipment are provided to control driving of the construction equipment according to movement of operator's arms. CONSTITUTION: A driving control apparatus comprises first and second sensors(11,12), a remote-control transmitting unit(13), an equipment transmitting and receiving unit(23), a control unit(20), and first and second driving units(21,22). The first and second sensors detect movement of operator's arm. The remote-control transmitting unit transmits signals with respect to the movement of the arms detecting in the first and second sensors. The equipment transmitting and receiving unit receives the transmitted signals from the remote-control transmitting unit. The control unit outputs driving control signals based on the received signal from the equipment transmitting and receiving unit. The first and second driving units are driven according to the outputted driving control signals by the control unit.
Patent KR-20120024244-A (KR)
Title: Photo sensor, method of manufacturing photo sensor and display apparatus
Inventor: LEE WON KYU
IPC: H01L31/10
Filed: 2010-09-06
Abstract: PURPOSE: A photo sensor and a manufacturing method thereof and a display device are provided to easily improve light sensing properties by easily controlling brightness of visible rays emitted from an organic light-emitting device according to illumination of external light. CONSTITUTION: A right receiving part(111) containing amorphous semiconductor materials is formed on a substrate(101). A first abutment(112) and a second abutment(113) are formed into the one body with the right receiving part. A photo sensor first electrode(118) is electrically connected to the first abutment. A photo sensor second electrode(119) is electrically connected to the second abutment. At least one of the first abutment and the second abutment contains the amorphous semiconductor materials.
Patent KR-20120028659-A (KR)
Title: Cab tilt stay assembly of vehicle
Inventor: LEE HYUN WOO
IPC: B62D33/06
Filed: 2010-09-15
Abstract: PURPOSE: A cab tilt stay assembly for a vehicle is provided to minimize friction resistance by increasing a gap between an upper stay and a lower stay when the cab tilt is up. CONSTITUTION: A cab tilt stay assembly(1) for a vehicle comprises an upper stay(10), a lower stay(20), a rotating shaft(30), and a gap control part. One end of the lower stay is hinge-coupled to a lower bracket installing in a vehicle body. Width of the other end of the lower stay is gradually widened toward the end. The other end of the lower stay is contacted with one end of the upper stay and forms a shaft supporting part along longitudinal direction. The rotating shaft is connected to the other ends of the upper stay and the lower stay to move along the supporting part, thereby the upper stay and the lower stay can be rotate relatively. When a cab tilt is up, the gap control part moves to the back with the rotating shaft along the shaft supporting part in order to increase a gap between the other ends of the upper stay and the lower stay.