baber/WOPTO huggingface dataset:
Patent KR-20140043174-A (KR)
Title: Simulator for horse riding and method for simulation of horse riding
Inventor: KIM KYE KYUNG
IPC: A63B69/04
Filed: 2012-09-28
Abstract: Disclosed are a simulator for horse riding which adaptively operates for users, and a method for simulating the horse riding. The simulator for horse riding comprises: a user identification part for identifying a user by using a user identification information according to a face of the user extracted from input images; a posture recognition part for outputting a user posture information by extracting a specific body part information of the user from the input images; a coaching part for providing the user an educational information about horse riding postures based on the user identification information and the user posture information; and an actual horseback riding sensing part for controlling the horse riding machine based on user intended postures which are output by analyzing the user posture information. Therefore, user-customized horse riding education can be provided through the identification of users and the recognition of the postures of users. In addition, an actual sensing type of simulation for horse riding can be provided by converting modes of the horse riding machine to correspond to the user intended postures. [Reference numerals] (100) User identification part; (110) Face detection unit; (120) Facial characteristic extraction unit; (200) Posture recognition part; (210) User region extracting unit; (220) Posture information outputting unit; (300) Coaching part; (310) Motion data storage part; (320) Model matching unit; (330) Horse riding education unit; (400) Actual horseback riding sensing part; (410) Intended posture outputting unit; (420) Machine controlling unit; (AA,BB) Input image
Patent KR-20140042360-A (KR)
Title: Method for evaluating effects of comsmetic composition using skin crust
Inventor: KIM YOON KYUNG
IPC: G01N33/15
Filed: 2012-09-28
Abstract: A method for evaluating the efficacy of a cosmetic material by using the keratin in skin cells comprises the steps of: collecting keratin parts from skin (S1); applying a cosmetic material to at least one part of the collected keratin parts (S2); obtaining a first image which represents the state of a first group coated with the cosmetic material among the collected keratin parts (S3); obtaining a second image which represents the state of a second group corresponding to a control group among the collected keratin parts (S4); and comparing the first image and the second image to measure the efficacy of the cosmetic material (S6). In the evaluation for the efficacy of a cosmetic material such as a makeup product, etc., the efficacy of the cosmetic material can be objectively and accurately measured by using the keratin in skin tissue to which a cosmetic product is actually applied, instead of artificial leather, an object having an uneven surface, etc. used previously. [Reference numerals] (AA) Start; (BB) End; (S1) Collect keratin parts from skin; (S2) Apply a cosmetic material to at least one part of the collected keratin parts by using a vibrator or a powder puff; (S3) Obtain a first image which represents the state of a keratin part corresponding to an experimental group; (S4) Obtain a second image which represents the state of a keratin part corresponding to a control group; (S5) Perform image processing about the first and second images; (S6) Compare the first and second images to measure coating uniformity, long-lasting performance, adhesion property, etc.
Patent KR-20120117716-A (KR)
Title: Method and system for packaging a display
Inventor: PALMATEER LAUREN
IPC: H01L23/02
Filed: 2012-10-04
Abstract: PURPOSE: A method and system for packaging a display are provided to efficiently remove moisture in a package by forming an opening in the package. CONSTITUTION: An interference modulator(830) is formed on the surface of a transparent substrate. A backplane(820) is combined with the transparent substrate by sealing materials(840). The interference modulator is exposed to a surrounding environment through an opening(850) on the back plane or sealing materials. After the transparent substrate is combined with the backplane, arbitrary drying agents, release materials or a self-aligned single layer are inputted to a package structure and then the opening is sealed.
Patent KR-20140045063-A (KR)
Title: Painting method using low dust and low noise
Inventor: LEE SUNG SOON
IPC: B05B7/24
Filed: 2012-10-08
Abstract: The present invention relates to a method of painting a steel structure or a metal product using a low dust and noise chipping method. In more detail, the method of painting a steel structure or a metal product using a low dust and noise chipping method includes a wetting and drying process (S10) of spraying hot water or cold water on a paint required surface of a steel structure or a metal product at a high pressure and naturally drying the wet surface; a surface processing process (S20) for spraying blasting slurry (S) at a high pressure by using a chipping machine (100) to chip the paint required surface such that rust and foreign substances are removed; a surface drying process (S30) for spraying high pressure air on the paint required surface by using a high pressure air spray connected to a compressor (50) such that the moisture on the surface generated in the surface processing process (S20) is dried, thereby stabilizing the surface; and a painting process (S40) for coating a paint on the surface from which rust and moisture are removed through the surface drying process (S30). [Reference numerals] (S10) Wetting and drying process of spraying hot water or cold water on a paint required surface of a steel structure or a metal product at a high pressure and naturally drying the wet surface; (S20) Surface processing process for spraying blasting slurry (S) at a high pressure by using a chipping machine (100) to chip the paint required surface such that rust and foreign substances are removed; (S30) Surface drying process for spraying high pressure air on the paint required surface by using a high pressure air spray connected to a compressor (50) such that the moisture on the surface generated by the surface processing process (S20) is dried, thereby stabilizing the surface; (S40) Painting process for coating a paint on the surface from which rust and moisture are removed through the surface drying process (S30)
Patent KR-20140046678-A (KR)
Title: An air conditioner
Inventor: KIM HYUN JUNG
IPC: F24F11/00
Filed: 2012-10-10
Abstract: The present invention relates to an air conditioner and a method for controlling the air conditioner. The air conditioner according to an embodiment of the present invention comprises: an object to be inspected; a sensing unit for sensing a state of the object; time measuring means for sensing time information related with the use of the object; a control unit for receiving information sensed by the sensing unit and the time measuring unit; and a display unit for displaying result information determined in the control unit. The air conditioner senses the state of the object when arriving at a previously set cycle, compares the sensed information with the preset standard information, and displays the compared result information. The method for controlling an air conditioner according to an embodiment of the present invention comprises the steps of: sensing time information related with the use of the object to be inspected; sensing the present information of the object when arriving at the previously set cycle; comparing the sensed present information with the previously set standard information to determine result information of the object; and outputting the determined result information. The present invention can conveniently check the state of the object to be inspected without disassembly of the air conditioner. Moreover, the present invention can prevent malfunction occurring when the user misses a chance to inspect because automatically inform when there is a need to inspect the air conditioner. Therefore, the present invention increases user convenience. [Reference numerals] (232) Amount of refrigerant; (234b) Insufficient; (242) Refrigerant amount 20%; (AA) Regular inspection; (BB) Under inspection; (CC) Check; (DD) Service center
Patent KR-20140046725-A (KR)
Title: X-ray photographing apparatus
Inventor: CHOI SUNG IL
IPC: A61B6/14
Filed: 2012-10-11
Abstract: The present invention relates to an X-ray photographing apparatus. According to an embodiment of the present invention, the X-ray photographing apparatus comprises an X-ray irradiation part which emits X-rays; a sensor part including sensors for sensing the X-ray; and a driving part which moves the X-ray irradiation part in a straight line. According to an embodiment of the present invention, the driving part includes a driving source; a first power transmission element which rotates the first sensor part; and a second power transmission element which moves the X-ray irradiation part in a straight line.
Patent KR-20140046886-A (KR)
Title: Sliding door system furniture for having type of television
Inventor: GU MYOUNG HWA
IPC: A47B81/06
Filed: 2012-10-11
Abstract: The present invention relates to a television storage type systemized sliding door furniture, and more particularly, to a television storage type systemized sliding door furniture in which a television is installed in such a way as to be inserted into and removed from the furniture so that a user can watch the television if necessary and usually use the inside of the furniture to store clothes or things. The television storage type systemized sliding door furniture comprises: a systemized furniture (100) having one or more slide doors (11) mounted at the front side; a slide rail (120) which guides opening and closing of the slide door (110); a wall plate (140) for partitioning the inside space of the systemized furniture (100); a support plate (230) having a television support part (200) which is mounted on the wall plate (140) in the horizontal direction to support a television (300); a slide plate (210) connected to the support plate (230) through moving means which guides the slide plate to slide in the back and forth direction of the support plate (230); and a rotating plate (220) connected along the slide plate (210) to be able to rotate so as to support rotation of the television (300).
Patent KR-20140054822-A (KR)
Title: Winding apparatus for material
Inventor: CHO YOUNG WON
IPC: B21C47/04
Filed: 2012-10-29
Abstract: Disclosed is an invention relating to a winding apparatus for a material. The disclosed winding apparatus for a material includes: a mandrel where a material is winded to the perimeter; a downward bending unit for bending a horizontally moving material downward to the mandrel; an eccentricity measuring unit for measuring the eccentricity of the material by being installed between the downward bending unit and the mandrel; a control unit for receiving the measured value of the eccentricity measuring unit; and a location adjusting unit operated by the control signals of the control unit and adjusts the location of the downward bending unit to make the material move along the center line.
Patent KR-20140057715-A (KR)
Title: Method of fabricating a nano pattern by using rapid thermal process to au thin layer
Inventor: JEONG CHAE HWAN
IPC: H01L31/18
Filed: 2012-10-31
Abstract: The present invention relates to a method of forming a nanopattern by performing a rapid thermal process on an Au thin film. The method of forming a nanopattern by performing a rapid thermal process on an Au thin film according to one embodiment of the present invention includes a step of preparing a semiconductor substrate; a step of forming a metal thin film; a rapid thermal process step of forming metal particles on the metal thin film; a step of performing a dry etching process on the semiconductor substrate; a step of removing the metal particles; an impurity doping step; a step of forming a first electrode; and a step of forming a second electrode.
Patent KR-20140064129-A (KR)
Title: Method and apparatus for hacking preventing of internet calling
Inventor: WOO JONG WOOK
IPC: H04L29/06
Filed: 2012-11-19
Abstract: The present invention relates to a method and an apparatus for preventing internet call hacking capable of preventing a third party from hacking a call from eavesdropping on a conversation or changing content of the conversation when a VoIP call is made. The apparatus for preventing the internet call hacking according to the present invention extracts voice data and a sequence number from a payload area of a real time transport protocol (RTP) packet, forms merged data by integrating the voice data with an order number encoding the sequence number, replaces the voice data of the RTP packet with the merged data and transmits the merged data.
Patent KR-20140064321-A (KR)
Title: 무선통신 모듈
Inventor: LEE JONG IN
IPC: H04B1/44
Filed: 2012-11-20
Abstract: 본 발명은 무선통신 모듈에 관한 것이다. 본 발명에 따르면, 입력 신호를 제1 내지 제3 주파수 대역의 신호로 분리하여 제1 내지 제3 경로로 각각 제공하는 트리플렉서; 상기 제1 경로를 통해 상기 트리플렉서와 연결되어, 상기 제1 주파수 대역의 신호를 이용하는 제1 무선랜 모듈; 상기 제2 경로를 통해 상기 트리플렉서와 연결되어, 상기 제2 주파수 대역의 신호를 이용하는 제2 무선랜 모듈; 및 상기 제2 경로를 통해 상기 트리플렉서와 연결되어, 상기 제3 주파수 대역의 신호를 이용하는 제3 무선랜 모듈을 포함하고, 상기 제3 주파수 대역은 화이트 스페이스 대역인 무선통신 모듈을 제안한다.
Patent KR-20140067320-A (KR)
Title: Automatic cutoff apparatus of gas leak
Inventor: PARK NA YEON
IPC: F23N5/24
Filed: 2012-11-26
Abstract: Disclosed is an automatic gas leakage sensing and cutoff device for rapidly and accurately determining the combustion of gas caused by the ignition, fire extinguishment, gas leakage of gas devices such as a gas stove. An automatic gas leakage sensing and cutoff device according to an embodiment of the present invention includes a gas device connected to a gas supply source via a gas supply pipe; a gas intermediate valve which is installed on the gas supply pipe at the upper part of the gas device to open and close the gas supply pipe; an ignition temperature sensor which senses the ignition temperature of the gas device in real time when the gas device is ignited, and outputs sensing signals; a gas cutoff valve which is installed on the gas supply pipe inside the gas device and controls the flow of gas supplied to a gas nozzle unit of the gas device according to the sensing signals from the ignition temperature sensor; an automatic gas cutoff valve which is formed on a gas supply pipe outside the gas device and controls the gas supply pipe to be open and closed according to external control signals; a pressure sensor which senses the pressure of gas inside the gas supply pipe between the automatic gas cutoff valve and the gas cutoff valve in real time and outputs sensing signals; and a safety controller which outputs electronic control signals to the automatic gas cutoff valve and the gas cutoff valve in order to open and close the automatic gas cutoff valve and the gas cutoff valve according to the sensing signals of the pressure sensor and the ignition temperature sensor.
Patent KR-20140072481-A (KR)
Title: vegetation sack and tree planting method of construction used thereof
Inventor: IN HYUN JIN
IPC: E02D29/02
Filed: 2012-12-05
Abstract: The present invention relates to a vegetation sack and a method for performing revegetation on a slope in a mining district using the vegetation sack. The vegetation sack for a revegetation method comprises: a vegetation sack which has at least one fixing hole on a rear end thereof, is made of a waterproof vinyl to seal the rear end after containing soil, and a front end thereof which is open without a waterproof vinyl layer; a porous seed mat which is fixed to an opening provided on the front part of the vegetation sack and has a space part therein; a first vegetation layer which includes a fertilizer layer and a coir block accommodated in the space part of the seed mat; a second seed mat which includes a coir block and a fertilizer layer and is placed under the first seed mat; seeds placed between the first and second seed mats; and a fixing member which is inserted into the fixing hole of the vegetation sack and fixes the vegetation sack to the ground. The method for performing revegetation on a slope in a mining district using the vegetation sack includes: a step (a) of arranging a slope; a step (b) of excavation for foundation and arranging the slope; a step (c) of charging soil in the vegetation sack having the seeds; a step (d) of stacking the vegetation sack in a single layer; a step (e) of fixing the vegetation sack to the ground using an anchor bolt; a step (f) of piling the vegetation sacks up to the predetermined upper end of the slope by repeating the c, d, and e steps; and a step (g) of completing construction by spraying water to the seeds. Therefore, the vegetation sack can be applied to a slope in an inaccessible mining district by being constructed by small equipment and man without installing a separate structure on the slope, can be conveniently maintained by having a sack shape, and can make seeds to easily grow by separating and blocking the soil in the vegetation sack from the original ground of the slope using a water-proof vinyl.
Patent KR-20140074697-A (KR)
Inventor: LIM SU JEONG
IPC: B01D39/16
Filed: 2012-12-10
Abstract: 본 발명은 미생물 제거능이 우수한 폴리술폰계 필터여재의 제조방법 및 이를 통해 제조된 폴리술폰계 필터여재에 관한 것으로써, 우수한 미생물 제거능력을 제공할 수 있는 장점이 있다.  
나아가, 이상에서와 같은 본 발명의 폴리술폰계 필터여재는 시간이 지나도 지속적인 전화 능력을 갖고 있어서, 미생물 제거 능력이 오랜시간 유지하면서도, 고유량에서도 미세한 미생물 제거를 할 수 있는 미생물 제거능이 우수한 폴리술폰계 필터여재의 제조방법 및 이를 통해 제조된 폴리술폰계 필터여재를 제공할 수 있도록 한다.
Patent KR-20140076163-A (KR)
Inventor: KONG BYUNG SEOK
IPC: B29C45/16
Filed: 2012-12-12
Abstract: The present invention relates to a molding apparatus and a molding method for manufacturing a vehicular crash pad which prevent the leakage of a bubble solution during the molding of a foaming layer of the crash pad and increase the compression amount during surface pressing for improved feeling. The present invention provides the molding apparatus for manufacturing a vehicular crash pad including: an upper mold for forming a foam skin; a lower mold which is formed to be able to be injected with a bubble solution, and is arranged to be able to be engaged with the upper mold for forming the foam skin; and a slide mold which is configured to be slidable from an end portion of the upper mold for forming the foam skin toward the lower mold, wherein the slide mold has a protruding portion formed to protrude toward the lower mold side.
Patent KR-20140078386-A (KR)
Inventor: CHA HYUN ROK
IPC: B62K5/025
Filed: 2012-12-17
Abstract: An electric scooter with a rear wheel steering unit according to the present invention includes: a frame forming the skeleton of the electric scooter; a steering handle which is used to steer the front wheel installed on the front side of the frame; a steering arm which is supported by a rear wheel steering shaft rotatably installed on the rear side of the frame to rotate against the frame; a rear wheel supported by a suspension unit installed on the steering arm; and a rear wheel steering unit which is installed on the rear wheel steering shaft to rotate the rear wheel installed on the steering arm by the steering angle of the front wheel by driving the rear wheel steering shaft. The electric scooter according to the present invention can synchronize the steering angle of the rear wheel to the steering angle of the front wheel to prevent operation problems due to the difference between the steering angles of the rear wheel and the front wheel, thereby reducing the discomfort on the elderly or disabled users′ end.
Patent KR-20140081263-A (KR)
Title: Substrate treating apparatus
Inventor: MA HEE JEON
IPC: C23C16/44
Filed: 2012-12-21
Abstract: The present invention relates to a substrate processing device capable of minimizing durability degradation due to thermal deformation of a lifting unit caused by heat transmitted from a processing chamber of the substrate processing device, wherein the lifting unit is disposed on a lower part of the processing chamber for lifting a substrate holder. The substrate processing device according to an embodiment of the present invention includes a processing chamber, a lead, a substrate holder, a lifting unit, and thermal deformation buffer having a sliding member.
Patent KR-20140089005-A (KR)
Inventor: AHN CHI HO
IPC: G02B13/18
Filed: 2012-12-31
Abstract: The present invention relates to an imaging lens system, including: a first lens having a positive reflection power; a second lens having a negative reflection power; and a third lens having a negative reflection power arranged in order from an object side to an image side. A view angle (θ) satisfies the following condition: 0.7<¦tanθ¦<1.5.
Patent KR-20120061851-A (KR)
Inventor: HATTENDORF HEIKE
IPC: C21D8/02
Filed: 2010-08-18
Abstract: 본 발명은, 라베스상 및/또는 Fe 함유 입자 및/또는 Cr 함유 입자 및/또는 Si 함유 입자 및/또는 탄화물을 석출하는 철-크롬 합금으로 이루어진 반제품을 가공 열처리(thermomechanical treatment)하여 상기 합금으로 이루어진 부품을 제조하는 방법에 관한 것으로서, 상기 방법에서 제1 단계에서 상기 합금은 고용화 열처리 온도 이상의 온도에서 고용화 열처리(solution heat treatment)되고, 이어서 정지된 보호 가스 또는 공기중에서, 이동하는(송풍되는) 보호 가스 또는 공기 중에서, 또는 물중에서 냉각된다. 제2 단계에서, 0.05 내지 99%의 범위에서 상기 반제품의 기계적 성형(mechanical forming)이 실시되며, 그리고 후속 단계에서 성형된 반제품으로부터 생성된 부품이 0.1℃/min 내지 1000℃/min의 가열을 통해 550℃ 내지 1000℃의 적용 온도로 승온됨으로써, 라베스상 Fe 2 (M, Si) 또는 Fe 7 (M, Si) 6  및/또는 Fe 함유 입자 및/또는 Cr 함유 입자 및/또는 Si 함유 입자 및/또는 탄화물이 목표한 대로 미세하게 분포된 방식으로 석출된다.
Patent KR-20120036381-A (KR)
Inventor: PFRENGLE WALDEMAR
IPC: A61K31/46
Filed: 2004-10-29
Abstract: 본 발명은 티오트로퓸 브로마이드의 신규한 결정성 무수물, 상기한 무수물을 제조하는 방법, 및 호흡기 질환의 치료, 특히 만성 폐쇄성 폐 질환 (COPD) 및 천식의 치료를 위한 약제를 제조하는데 있어서의 이의 용도를 제공한다.
Patent KR-20120093263-A (KR)
Inventor: ALLOUCHE EREZ
IPC: G01V3/00
Filed: 2009-10-06
Abstract: 매설된 대상물(26)을 검출하기 위해 변환기(40, 40')를 가진 대상물 검출 시스템(24)이 개시된다.  변환기는 견고하며, 전자기 투과 구조(42) 내에 봉입된다.
Patent KR-20120091216-A (KR)
Inventor: KLOPPENBURG HEIKE
IPC: C08F8/00
Filed: 2010-10-14
Abstract: 본 발명은 95% 초과의 고 함량의 시스-1,4 유닛 및 1% 미만의 저 함량의 1,2-비닐, 및 낮은 몰 질량 분포 지수 (MDI)를 갖는 고-분자량의 선형 네오디뮴-촉매화 폴리부타디엔에 관한 것으로서, 여기서 폴리부타디엔의 무니 점도 (ML 1   +4  100℃)는 70 내지 90이고, 폴리부타디엔의 몰 질량 분포 지수는 10 미만이다.
Patent KR-20120085850-A (KR)
Inventor: YOSHIMOTO TAKASHI
IPC: H04L27/26
Filed: 2010-10-19
Abstract: 멀티 캐리어 변조된 신호를 수신하는 수신부와, 복호 처리 결과를 사용하여 생성한 변조 심볼 레플리카를 상기 수신부가 수신한 신호로부터 제거하여 출력하는 간섭 제거부와, 간섭 제거부에 의해 출력한 신호를 복호 처리하여 복호 처리 결과를 출력하는 신호 검출부를 구비하고, 간섭 제거부는 변조 심볼 레플리카를 수신부가 수신한 신호를 구성하는 데이터 변조 심볼의 일부에 대한 복호 처리 결과를 사용하여 생성한다.
Patent KR-20130031235-A (KR)
Inventor: SUZUKI HITOSHI
IPC: A47L9/16
Filed: 2011-11-28
Abstract: 집진 장치는, 먼지를 원심 분리하는 제1 원심 분리부(41)를 구비한다.  집진 장치는, 제1 원심 분리부(41)에 연통되고, 제1 원심 분리부(41)에서 분리하는 먼지보다도 미세한 먼지를 원심 분리하는 제2 원심 분리부를 구비한다.  제1 원심 분리부(41)는 먼지를 수용 가능한 케이스체(51)를 갖는다.  제1 원심 분리부(41)는, 케이스체(51)와의 사이에서 함진 공기를 선회시키는 원통 형상의 선회부(52)를 케이스체(51)의 내부에 갖는다.  선회부(52)는, 제2 원심 분리부와 연통되는 주위 개구부(65)를 주위에 구비함과 함께, 제2 원심 분리부와 연통되는 단부 개구부(74)를 단부에 구비한다.  제1 원심 분리부(41)는, 단부 개구부(74)에 설치된 압축 필터(54)를 갖는다.
Patent KR-20120117770-A (KR)
Inventor: PATAK CHRISTIAN
IPC: G01R33/04
Filed: 2010-10-22
Abstract: 자기장 센서는 적어도 섹션별로 곡선으로 형성된 표면을 포함하는 자화 가능한 코어, 코어를 자화하기 위한 자화 장치 및 코어 내 자기장을 측정하기 위한 측정 장치를 포함한다.
Patent KR-20120086337-A (KR)
Inventor: PLATE ERIC M
IPC: A47K13/26
Filed: 2010-11-12
Abstract: 전방 베이슨(12)을 가진 유형의 위생 설비(예컨대, 비데(10) 또는 변기) 및 베이슨을 세정하기 위해 베이슨으로의 물의 공급을 관리하는 수단이 개시된다. 위생 설비는 베이슨 위에 장착 가능한 모듈러 하우징(14) 및 위생 설비의 동작을 제어하기 위해 모듈러 하우징 내에 배치된 적어도 하나의 컨트롤을 구비한다. 컨트롤은 광 컨트롤들, 비데 완드 위치 컨트롤들, 비데 완드 가열 공기 공급 컨트롤들, 비데 완드 급수 컨트롤들, 덮개 위치 움직임 컨트롤들(lid position movement controls), 시트 위치 움직임 컨트롤들, 탈취기 컨트롤들(deodorizer controls), 오디오 디바이스 컨트롤들 및 자외선 살균 컨트롤들로 구성되는 그룹에서 선택될 수 있다.
Patent KR-20120087986-A (KR)
Inventor: HINE YOICHI
IPC: G06V30/10
Filed: 2011-07-13
Abstract: 서류등을 철하는 철구(綴具)와 파일 본체를 일방측(一方側)에서의 작업만으로 고정하는 것을 가능하게 함과 아울러, 실용품으로서의 충분한 고정 강도를 확보한다. 
철구와 당해 파일 본체를 고정하는 철구 고정 장치로서, 파일 본체에 배치되는 고정 장치 본체부와, 고정 장치 본체부에 설치되고, 고정용 홀(hole)부와 파일측 홀부가 겹쳐 형성된 연통 구멍에 삽입되는 한 쌍의 삽입부와, 연통홀에 한 쌍의 삽입부가 삽입되었을 때에 파일 본체 및 철구 중 당해 삽입부의 삽입 방향 반대측의 부재를 피계합(被係合) 부재로 하고, 당해 피계합 부재에 대해서 계합 및 당해 계합의 해제(解除)가 가능하게 된다. 한 쌍의 삽입부의 각각에 설치된 제1 계합부 및 제２ 계합부를 구비하고, 제1 계합부에 의해 계합된 피계합 부재의 계합 방향인 제1 계합 방향은, 제２ 계합부에 의해 계합된 피계합 부재의 계합 방향인 제２ 계합 방향과 다르도록 설정된다.