baber/WOPTO huggingface dataset:
Patent KR-20160130776-A (KR)
Title: 체내강 또는 체강의 측벽의 시각화 향상 및/또는 이에 대한 액세스 향상을 제공하도록 이를 조작하고 및/또는 이에 대하여 기기를 안정화하기 위한 방법 및 장치
Inventor: CORNHILL JOHN FREDERICK
IPC: A61M25/10
Filed: 2015-02-11
Abstract: 내시경의 외부상에 슬라이드 되도록 적합화된 슬리브; 상기 슬리브에 고정된 근위 풍선; 상기 슬리브에 의해 운반되고 상기 근위 풍선의 내부와 유체 연통하는 팽창/수축 튜브; 상기 슬리브에 슬라이드 가능하게 설치된 푸시 튜브; 및 상기 푸시 튜브의 원위 단부에 고정된 원위 풍선으로서, 상기 원위 풍선의 내부가 상기 푸시 튜브와 유체 연통되고, 여기서 상기 원위 풍선이 수축된 상태 및 팽창된 상태를 추정할 수 있으며, 추가로 상기 원위 풍선이 그의 수축된 상태에 있는 경우, 축 개구부가 이들을 통하여 연장하며, 상기 축 개구부는 내부에 내시경을 수용하도록 하는 크기로 되며, 또한 상기 원위 풍선이 팽창된 상태에 있는 경우, 상기 축 개부가 폐쇄되는 원위 풍선을 포함하는 장치.
Patent KR-20170009822-A (KR)
Inventor: YOSHIZAWA SHIGEYUKI
IPC: C09J7/10
Filed: 2015-05-13
Abstract: 이방성 도전 필름을 개재하여 유리 기판 등의 전자 부품과, 필름 기판 등의 별도의 전자 부품을 이방성 도전 접속할 때에, 사용하는 열압박툴이 부분 접촉한 경우라도, 부분 접촉한 측과 그렇지 않은 측의 쌍방에서 양호한 초기 도통 저항값을 실현할 수 있도록 하기 위한 이방성 도전 필름은, 절연성 스페이서와 도전 입자가 절연성 접착제 중에 유지된 이방성 도전 접착층을 갖고, 절연성 스페이서로서 그 형상이 기둥 형상인 것을 사용한다.
Patent KR-20160138067-A (KR)
Inventor: SASAKI AKIRA
IPC: G01F15/00
Filed: 2015-02-20
Abstract: 센서 와이어에 직류 전압을 인가하는 것이 아니고, 센서 와이어에 펄스 신호를 공급하여, 센서 와이어를 발열시킴으로써, 센서 와이어에 공급되는 신호 강도는 유지하면서 에너지량을 저감하거나, 센서 와이어에 공급되는 에너지량은 유지하면서 신호 강도를 증대시키거나 한다.  이에 의해, 측정 정밀도의 저하를 억제하면서 센서 와이어로부터의 발열을 저감하거나, 센서 와이어로부터의 발열의 증대를 억제하면서 측정 정밀도를 향상시키거나 할 수 있는, 열식 질량 유량계에 의한 질량 유량의 측정 방법을 제공한다.
Patent KR-20160140695-A (KR)
Title: Tdls와의 다중채널 링크 어그리게이션
Inventor: ABRAHAM SANTOSH PAUL
IPC: H04W12/04
Filed: 2015-04-01
Abstract: 무선 통신을 위한 방법, 장치, 및 컴퓨터 프로그램 물건이 제공된다.  일 양상에서, 장치는, 제 1 대역을 통해 제 2 장치와의 제 1 링크를 설정하고, 터널링 프로토콜을 사용하여 제 2 대역을 통해 제 2 장치와의 제 2 링크를 설정하며, 그리고 제 1 링크 또는 제 2 링크 중 적어도 하나를 통해 제 2 장치로부터 데이터를 수신하고/제 2 장치에 데이터를 제공하도록 구성된 프로세서를 포함하며, 제 1 링크를 통해 수신 또는 제공된 데이터는 제 1 링크와 연관된 제 1 매체 액세스 제어(MAC) 어드레스를 포함하고, 제 2 링크를 통해 수신 또는 제공된 데이터는 제 2 링크와 연관된 제 2 MAC 어드레스를 포함한다.  프로세서는, 제 1 대역 및 제 2 대역을 통해 제 2 장치로부터 데이터를 수신하고/제 2 장치에 데이터를 제공하기 위해 제 1 링크를 제 2 링크에 결합시키도록 추가적으로 구성된다.
Patent KR-20160131104-A (KR)
Title: Sil 팁을 플로팅하는 것을 자체 정정
Inventor: FRANK JONATHAN
IPC: G02B21/02
Filed: 2015-03-11
Abstract: 고체 침지 렌즈 (SIL) 에 대한 광학 장치가 개시된다.         그 장치는 SIL 이 자유롭게 틸팅할 수 있게 한다.         그 장치는 SIL 의 맞물리는 면 및 후면으로부터 연장하는 광축을 갖는 SIL; SIL 을 내부에 수용하도록 구성된 공동을 가지면서 SIL 이 공동 내에서 자유롭게 틸팅하게 하는 SIL 하우징으로서, 상기 공동은 광축이 관통하도록 위치된 홀을 포함하여 이에 따라 SIL 에 의해 수집된 광이 대물 렌즈로 전파하게 하는, 상기 SIL 하우징; 및 SIL 하우징에 부착되고 SIL 이 공동을 나가는 것을 방지하도록 구성된 SIL 리테이너를 포함한다.
Patent KR-20170004966-A (KR)
Title: 바이러스 감소 방법
Inventor: GAGNON PETER STANLEY
IPC: C07K1/18
Filed: 2014-05-28
Abstract: 단백질 제제들 내의 바이러스 및 바이러스 DNA 레벨들의 감소를 향상시키기 위한 방법들이 제공된다.
Patent KR-20160143886-A (KR)
Title: 배수 처리 장치, 배수 처리 방법, 및 배수 처리 시스템, 및 제어 장치, 제어 방법, 및 프로그램이 저장된 기록 매체
Inventor: FURUYA YUJI
IPC: C02F3/30
Filed: 2013-03-11
Abstract: 반응조(2)를 구성하는 복수의 호기조(2a∼2d) 내를 흐르는 피처리수에 대하여 생물 처리를 행할 때, 산기부(6a∼6d)에 의해 피처리수를 폭기한다.  반응조(2)에 있어서의 피처리수의 흐름을 따른 소망 위치인 호기조(2c)의 유입측에 질산계(7)를 설치하여 질산 농도를 측정함과 함께, 반응조(2)의 유출측 근방에 암모니아계(11)를 설치하여 암모니아 농도를 측정한다.  제어부(9)는 질산 농도 및 암모니아 농도의 값에 기초하여, 질산 농도 및 암모니아 농도가 함께 각각의 소정 범위에 수렴되도록, 각각의 기체 공급량 제어부(10a∼10d)에 제어 신호를 공급하여 산기부(6a∼6d)로부터 피처리수로의 기체의 공급량을 산기부(6a∼6d)마다 또는 산기부(6a∼6d)에 있어서 일괄하여 제어한다.
Patent KR-20160148061-A (KR)
Title: 센서, 리소그래피 장치 및 디바이스 제조 방법
Inventor: LAURENT THIBAULT
IPC: G03F7/20
Filed: 2013-03-19
Abstract: 침지형의 리소그래피 장치에서 사용되고, 센서의 사용 시 침지 액체(11)와 접촉하는 센서(100)는, 센서의 트랜스듀서(104)로부터 온도 컨디셔닝 디바이스(107)로의 제 1 열 유동 경로의 열저항이 트랜스듀서로부터 침지 액체로의 제 2 열 유동 경로의 열저항보다 낮도록 배치된다.  따라서, 열 유동은 우선적으로 침지 액체가 아닌 온도 컨디셔닝 디바이스를 향하여, 침지 액체 내의 온도-유도성 외란이 감소되거나 최소화되도록 한다.
Patent KR-20170017938-A (KR)
Inventor: FORTUNATO ROBERTO
IPC: B29C67/00
Filed: 2015-06-18
Abstract: 본 발명은 미리 정의된 광선(6)에 노출을 통해서 액체 물질을 응고시킴에 의하여 얻어진 연속 층(1-5) 의 중첩을 통해서 삼차원 물체(10)를 생산하기 위한 스테레오리소그래피 방법이며, 다음의 동작들: 층(1,2,3,4,5)의 기하학적 표현을 정의하는 단계; 연속하여 제1 층(4)에 앞선 하나 이상의 층(2)을 선택하는 단계; 제1 층(4)의 기하학적 표현과 제1 층(4)의 평면 상에 재생산되는 선택된 층(2)들의 기하학적 표현의 논리적 결합에 해당하는 마스크 영역을 정의하는 단계; 마스크 영역(9)에서 미리 정의된 광선(6)에 액체 물질을 노출시키는 단계의 동작을 포함한다. 상기 방법에 따르면, 마스크 영역(9)을 정의하기 전에 선택된 층의 기하학적 표현은 수정 전에 구성된 해당하는 층(2)의 기하학적 표현에 대해 투영하는 해당하는 추가 부분으로 그들을 연장하기 위하여 수정된다.
Patent KR-20170017948-A (KR)
Inventor: KIM JINHO
IPC: G11C8/10
Filed: 2015-04-21
Abstract: 플래시 메모리 셀들의 프로그래밍 동안 외란을 감소시키기 위한 개선된 제어 게이트 디코딩 설계가 개시된다. 일 실시예에서, 제어 게이트 라인 디코더는 제1 섹터 내의 소정 로우의 플래시 메모리 셀들과 연관된 제1 제어 게이트 라인, 및 제2 섹터 내의 소정 로우의 플래시 메모리 셀들과 연관된 제2 제어 게이트 라인에 커플링된다.
Patent KR-20180079901-A (KR)
Inventor: KIM JOO YOUNG
IPC: H04W88/18
Filed: 2017-01-03
Abstract: According to one embodiment of the present invention, the present invention provides an apparatus for correcting positioning data for a location based service, which comprises: a collected coordinate analysis unit analyzing a distribution of collected coordinates of collected data collected by a dynamic collection apparatus; a representative point generating unit generating representative points based on the distribution of the collected coordinates, and mapping the collected data to each of the representative points to generate a data set corresponding to each of the representative points; a first collected data correction unit determining incorrectly collected data among the collected data, and correcting the incorrectly collected data; and a second collected data correction unit determining whether the number of collected data exceeds a predetermined reference data number for each of the data sets, and correcting data sets for which the number of collected data does not exceed the reference data number. According to the present invention, instead of directly using the data adjacent to the representative point to generate a positioning database, various machining processes such as correction are performed on the data, thereby generating a relatively accurate positioning database.
Patent KR-20180015558-A (KR)
Inventor: ISHIGURO MASAKI
IPC: H01L21/683
Filed: 2017-01-11
Abstract: An objective of the present invention is to provide a plasma processing apparatus which removes charges considering re-electrification of a wafer by charged particles remaining in a processing chamber after a high frequency power supply for plasma generation stops, and a method of separating a sample by removing charges. To achieve the objective, the plasma processing apparatus comprises: a processing chamber; a high frequency power supply to supply high frequency power; a sample board having an electrode for electrostatic adsorption of a sample; and a direct current power supply to apply a direct current voltage to the electrode. The plasma processing apparatus further comprises a control unit to change the direct current voltage from a prescribed value to approximately 0 V after prescribed time elapses after supply of the high frequency power after starting a process of separating the electrostatically adsorbed sample from the sample board. The prescribed value is a predetermined value where potential of the sample when the direct current voltage is approximately 0 V becomes approximately 0 V. The prescribed time is time defined in accordance with time for dissipating charged particles created by plasma of the process or time for dissipating afterglow discharge.
Patent KR-20180083613-A (KR)
Inventor: KIM PAN JONG
IPC: G08G1/017
Filed: 2017-01-13
Abstract: The present invention relates to a method for providing application-based notification and payment of traffic law enforcement. The method is executed via an operating server communicating with a user wireless terminal having a designated application installed therein. The method receives user information of a user, unique number information of a user wireless terminal and vehicle information of a user owned vehicle from an app of the user wireless terminal according to a designated procedure, performs one of an authentication procedure for authenticating whether a user corresponding to the user information matches the owner of the vehicle corresponding to the vehicle information and an authentication procedure for authenticating whether the mobile phone number of the user corresponding to the unique number information of the user wireless terminal matches the registered mobile phone number of the owner of the vehicle through a vehicle historical data inquiry server of an internal administrative network of a public institution, registers and stores the user information for the authenticated user through the authentication procedure, the unique number information, and the vehicle information in a designated database in association with each other, checks infringement information including the recognized vehicle information when a vehicle in violation of a traffic regulation is photographed through an infringement camera and the vehicle information of the vehicle is recognized, authenticates whether the vehicle information on the infringement information matches the vehicle information registered in the database as a result of the authentication procedure and notifies an enforcement of the traffic law violation information to the app of the user wireless terminal using the unique number information stored in association with the authenticated vehicle information, performs a procedure of providing payment information for paying the payment amount of the traffic violation enforcement, and confirms the payment result of payment of the payment amount included in the payment information through the app of the user wireless terminal provided with the payment information.
Patent KR-20180085516-A (KR)
Inventor: LEE MIN SU
IPC: B05B7/20
Filed: 2017-01-19
Abstract: The present invention relates to an anti-freezing apparatus for a vaporizer of a smokescreen and fog sterilizer for disinfection, which comprises: a vaporizer (100) and a vaporizer main body (100a) having an air valve (120) installed therein, receiving air and chemicals to change the same into a mixed gas form, and supplying the same to a combustion chamber (400); an anti-freezing pipe (200) in which a rear end thereof is coupled to a front end of the vaporizer (100), a cap (210) installed with an air nipple (211) and an air nozzle (212) is coupled to a front end thereof, and a heat supply pipe (220) is formed at a side surface thereof; a connection pipe (230) and a rubber pipe (240) sequentially coupled to the heat supply pipe (220) of the anti-freezing pipe (200) to supply heat of a heat distribution pipe (300) to the anti-freezing pipe (200); and a heat distribution pipe (300) having a front end thereof coupled to a rear end of the rubber pipe (240), and a rear end thereof installed at a side portion of the combustion chamber (400) to supply the air heated by heat of the combustion chamber (400) to the anti-freezing pipe (200) through the rubber pipe (240) and the connection pipe (230). According to the present invention, a dew condensation of an air valve is prevented by introducing warm air into the vaporizer when a smokescreen and fog sterilizer is used in winter, and the vaporizer is not frozen but driven even in winder by preventing a phenomenon of freezing and blocking the air valve due to moisture and residue by the dew condensation so the sterilizer can be used all through the year, and can be utilized for spraying fungi-insecticide for agricultural and horticultural crops of a vinyl greenhouse in winder.
Patent KR-20180087991-A (KR)
Inventor: HAM JOO YEON
IPC: A43C11/14
Filed: 2017-01-26
Abstract: The present invention relates to a product configuration depending on diversified ages, in which a PLA lace body installed on a shoelace is formed, a hole to which the shoelace is inserted is formed at a portion in which the PLA lace body is connected to the shoelace, a portion in which parts of each shoelace are engaged at the other side of the hole to which the shoelace is inserted, and the rest space except for the portion in which the parts of each shoelace are engaged serves as a design element and is formed as a product which can easily detach and attach the PLA lace for each shoe.
Patent KR-20180097258-A (KR)
Title: A roll type automatically changing examination table sheet device and driving method the same
Inventor: PARK UI JUN
IPC: A61G13/10
Filed: 2017-02-23
Abstract: The present invention relates to a scroll type automatic change sheet device for an examining table and a driving method for the same. Specifically, the scroll type automatic change sheet device for an examining table includes: a mattress main body including a mattress enabling a patient visiting a hospital to lie to be examined and treated; a sheet change unit individually installed on both ends in a longitudinal direction of the mattress main body and supplying a new sheet for covering the upper part of the mattress installed in the mattress main body, wherein the sheet change unit includes a sheet supply roller and a sheet winding roller, rotating by being engaged to wind and store the used sheet; a driving unit for transferring a rotation driving force so that the sheet supply roller and the sheet winding roller of the sheet change unit rotate by being engaged with each other; and a control unit for controlling rotation of the driving unit. According to the present invention, the scroll type automatic change sheet device for an examining table and the driving method for the same can simply and automatically change the sheet needing to be periodically changed as the medical staff uses the scroll type automatic change sheet device in the hospital.
Patent KR-20180097996-A (KR)
Inventor: MOON HYUN GON
IPC: C09K5/14
Filed: 2017-02-24
Abstract: The present invention relates to a composite sheet of a single layer simultaneously having a heat radiation function and a magnetic property, a manufacturing method thereof, and a multilayer sheet including the same. Since content of a heat radiation filling material in an upper region of the composite sheet is high and content of a magnetic filling material on a lower region of the composite sheet is high, the composite sheet has little influence on the properties of each other. Therefore, the composite sheet can simultaneously realize the excellent heat radiation function and the magnetic property. Also, the composite sheet can realize a very thin thickness of the single layer and is excellent in flexibility. The manufacturing method of a composite sheet comprises: a step (1) of manufacturing slurry including a binder resin, the heat radiation filling material, the magnetic filling material and a solvent; and a step (2) of molding the slurry in a sheet form at a rate of 0.1 to 5 m/min.
Patent KR-20180104907-A (KR)
Inventor: KIM IL HO
IPC: H04N13/00
Filed: 2017-03-14
Abstract: The present invention relates to a 3D stereoscopic image implementing method, and more particularly, to a method for making a 3D stereoscopic image with a left image and a right image or a 2D image, and converting the made stereoscopic image into a stereoscopic image of a different type to make a 3D stereoscopic image. The 3D stereoscopic image implementing method according to the present invention includes a first method to make the stereoscopic image with the left image and the right image composed of three color elements and a second method to make the stereoscopic image by the first method by separating a 2D plane image into the left image and the right image and convert the made stereoscopic image into the stereoscopic image of the different type. According to the above method, since the stereoscopic image is used as a plug-in when the stereoscopic image is made in a PC, a beginner can easily make the stereoscopic image.
Patent KR-20180105378-A (KR)
Title: Rotary compressor
Inventor: KU SE JIN
IPC: F04C18/02
Filed: 2017-03-15
Abstract: The present invention relates to a rotary compressor. According to one embodiment of the present invention, the rotary compressor comprises: a shell for forming an inner space; a driving motor disposed in the inner space of the shell; and a compressing machine unit operated by receiving power of the driving motor and compressing a refrigerant. Moreover, the compressing machine unit comprises: a cylinder forming a chamber for refrigerant compression; a bearing coupled to the cylinder and having a discharge port, through which the refrigerant compressed from the chamber can pass; a muffler coupled to the bearing and allowing the refrigerant passing through the discharge port to be inserted into the muffler; and a noise reducing unit fixed to the muffler and forming a noise reducing chamber with the muffler.
Patent KR-20180105469-A (KR)
Title: Wireless Remote Metering System having relay devices and Method for driving the same
Inventor: YOON CHAN SOO
IPC: G06Q50/10
Filed: 2017-03-15
Abstract: The present invention relates to a wireless remote metering system including metering terminals wirelessly connected to a concentrator by at least one relay, and a driving method thereof. The wireless remote metering system receives first metering data generated by a first metering terminal and second metering data generated by a second metering terminal by following the concentrator. The transmission path of the second metering data is different from the transmission path of the first metering data. Accordingly, the present invention can improve the reliability of the metering data received in the concentrator and shorten a metering time.
Patent KR-20170113158-A (KR)
Inventor: HONG SEONGCHUL DANIEL
IPC: H01L27/32
Filed: 2017-03-21
Abstract: 다양한 실시예들은 디바이스의 디스플레이 활성 영역에 내장된 지문 센서를 포함하는, 셀룰러 전화와 같은 핸드헬드 컴퓨팅 디바이스를 제공한다.  지문 센서는 광-수광 모드에서 동작하도록 구성되는 일련의 PIN 다이오드들로 구성된다.  다양한 실시예들에서, PIN 다이오드들은 디스플레이 활성 영역에서의 픽셀들 사이의 갭 내에 적어도 부분적으로 능동 매트릭스 유기 발광 다이오드(AMOLED)들로서 형성된다.
Patent KR-20170109503-A (KR)
Title: Compound and organic electronic device using the same
Inventor: JUNG MIN WOO
IPC: C07D405/10
Filed: 2017-03-21
Abstract: The present invention relates to a compound and an organic electronic device using the same. The compound according to one embodiment of the present invention is used in an organic electronic device including an organic light emitting device to lower the driving voltage of the organic electronic device, to improve the light efficiency, and to improve the lifetime characteristics of the device by the thermal stability of the compound.
Patent KR-20180107477-A (KR)
Inventor: LEE GANG UN
IPC: B65D81/18
Filed: 2017-03-22
Abstract: The present invention relates to a sashimi container to maintain freshness of fresh sashimi. In particular, according to the present invention, the sashimi container comprises: a first cooling container made of a porous material, forming a main body part, having an air cooling part of a predetermined space formed therein to hold cold air so as to primarily provide the cold air to live fish sashimi or fresh sashimi; and a second cooling container having a hollow coolant passage part formed therein to circulate a coolant, and being in a relatively lower temperature state. Accordingly, the cold air is primarily supplied to the live fish sashimi or the fresh sashimi from the first cooling container, and is secondarily and continuously supplied from the second cooling container, thereby providing a method to manufacture a fresh sashimi container capable of maintaining an edible state of maintaining freshness for a long time.
Patent KR-20180109322-A (KR)
Inventor: PARK HAN WOOK
IPC: B65B25/14
Filed: 2017-03-27
Abstract: The present invention relates to an automatic folding device for a beauty mask pack, capable of achieving mass production with remarkably improved production efficiency. According to the present invention, the automatic folding device for the beauty mask pack includes: an elevation operation device including a folding hand formed at an end thereof with a semicircular groove and extending vertically in an elevation block, and a forward-rearward air nozzle and a left-right air nozzle disposed under the folding hand to fold a beauty mask pack sheet; a two-row conveyor for continuously transferring and supplying the beauty mask pack sheet under the folding hand; a pouch supply device including a vacuum picker for drawing out pouches one by one from a supply magazine in which the pouches are accommodated and a horizontal actuator for moving the vacuum picker to transfer the pouch under the folding hand; a pouch handling device including a fixed pickup and a movable pickup for taking in the pouch and opening an inlet of the pouch, and a gripper for holding the pouch; and a pouch collection device including a collection magazine, a platform, a push plate, and an insertion cylinder disposed below the fixed pickup.
Patent KR-20180110850-A (KR)
Title: Batch type apparatus for treating substrate
Inventor: LEE JE YOON
IPC: H01L21/67
Filed: 2017-03-30
Abstract: According to the present invention, in a batch type apparatus for treating a substrate, a cassette accommodating a plurality of substrates is mounted, and a lift entering a bath containing a medicinal fluid is inclined for water to be easily drained along an inclined surface. Moreover, a process error of an oxide film or the like can be prevented. To achieve this, according to the present invention, the batch type apparatus for treating a substrate comprises: a bath accommodating a medicinal fluid; a lift vertically moving to enter the bath; a rotating plate rotationally connected to one side of the lift, supporting the cassette in which a plurality of sheets of substrates are mounted, and vertically moving along with the lift to enter the bath; and a rotating shaft connecting the lift and the rotating plate, and becoming the center of rotation of the rotating plate.
Patent KR-20180113315-A (KR)
Inventor: HA SUNG WOO
IPC: F24F1/22
Filed: 2017-04-06
Abstract: The present invention provides a self-cleaning condenser radiating apparatus capable of increasing an air volume and a wind speed by pulling an airflow behind a space and capable of being self-cleaned. The self-cleaning condenser radiating apparatus according to the present invention is a condenser radiating apparatus cooling steam for heat deprival, condensation, and change. The present invention includes a frame-shaped case in which a space is formed for the condenser to be accommodated, a pair of curved first guide members facing each other being disposed in the space, a first opening hole being formed between the first guide members, and an inflow hole being formed in the back surface of the case, a cover in which a pair of second guide members facing each other are disposed in the middle of the front of the case, a second opening hole communicating with the first opening hole being formed in the middle of the cover, discharge holes being formed on both sides of the second opening hole, and air being allowed to be discharged to the outside from the inside of the second opening hole through the discharge holes, a rotating unit discharging the heat that is heat-exchanged in the condenser to the discharge hole by suctioning outside air into the space through an inflow hole in the event of mutual reverse rotation by power means with facing rotating blades formed side by side in the space, and multiple LEDs mounted on a substrate and provided on the discharge hole side of the cover.
Patent KR-20180116522-A (KR)
Inventor: LEE JAE BIN
IPC: A43C11/00
Filed: 2017-04-17
Abstract: The present invention relates to shoes with a zipper, in which a zipper is attached to the back of the shoes to make it easy to take off the shoes so that a user do not have to carry a shoehorn.