baber/WOPTO huggingface dataset:
Patent JP-2013514889-A (JP)
Title: レーザアブレーション装置を用いて且つキャリブレーションステップの利用を通じて三次元表面を切除する方法、及び、その方法を実行する装置
IPC: B23K26/00
Filed: 2010-12-22
Abstract: 本発明は、装置のキャリブレーションプレートを行うステップ（Ｅ１）であり、キャリブレーションプレートにおける複数の決定された点を照らすべく、検流ヘッドが、２つの軸に沿って、ある深さのところに位置するキャリブレーションプレートを照らし、一方で、カメラがそのキャリブレーションプレートを観察し、制御ユニットが、その深さのところにあるキャリブレーションプレートにおける複数の照らされた点のそれぞれの照明位置と、それら複数の照らされた点に関するカメラによって観察された位置との間の関係を構築し、複数回の、検流ヘッドによる照明、カメラによる観察、及び、制御ユニットによる関係の構築を可能にすべく、キャリブレーションステップ中に、そのキャリブレーションプレートが複数の深さのところに連続的に位置付けられ、制御ユニットが対応関係を構築するところのステップ（Ｅ１）と、キャリブレーションステップ（Ｅ１）に基づいて三角測量によりその切除される表面の三次元形状を決定するステップ（Ｅ２）と、三次元表面を切除するステップ（Ｅ３）であり、制御ユニットが、平面を定める複数の軸と深さに沿って、その切除される表面にビームを集中させ且つ方向付けるために、その表面の決定された形状に応じて検流ヘッドを制御するところのステップ（Ｅ３）と、を有することを特徴とする方法に関する。また、本発明は、上述の方法を実行するための装置に関する。
Patent JP-2013515222-A (JP)
Title: ラグフレア付きナット
IPC: F16B35/04
Filed: 2009-12-22
Abstract: 塑性変形可能な金属基体に取り付けるためのクリンチナットが提供される。このクリンチナットは、中心軸線を備えた本体部分とこの本体部分から延び中心軸線と同軸であるパンチ部分とを含む。本体部分は、中心パンチ部分を包囲する環状面を含む。この環状面は、中心パンチ部分を包囲する複数の間隔をあけたラグを含む。これらの複数のラグは、それぞれ、凹んだ部分を有する少なくとも１つの接触面を含んでいてこの凹んだ部分で、接触面は金属基体に噛み合っている。接触面の第１の部分は、ナットを金属基体に取り付ける間少なくとも１つのラグフレアを形成するように金属基体に挿入する際に中心軸線から外向きに偏移している。金属基体の一部は、少なくとも１つのラグフレアと本体部分との間に捕捉される。
Patent JP-2013516818-A (JP)
Title: ピコ／フェムトセルの二段階アップリンク同期化
IPC: H04W16/32
Filed: 2011-01-07
Abstract: 【課題】ピコ/フェムトセルの二段階アップリンク同期化を提供する。 【解決手段】本発明は、移動局とピコ/フェムト基地局間のアップリンク同期化に用いられる二段階のアップリンク同期化方法を提供し、ピコ/フェムト基地局は、オーバーレイマクロ/ミクロ基地局と一緒に配置されている。第一工程中、ピコ/フェムトBSは、UL伝送タイミングアドバンスオフセット情報を符号化し、放送チャネルにより放送する。MSは、受信されたUL伝送タイミングアドバンスオフセット情報を復号し、復号されたオフセット値に基づいて、アップリンク測距または参照符号伝送に用いるそのアップリンクタイミングを前進させる。第二工程中、MSとピコ/フェムトBSは、正常なアップリンク同期化とアップリンクアクセスを実行する。一例中、UL伝送タイミングアドバンスオフセット情報は、ピコ/フェムト基地局とオーバーレイマクロ/ミクロ基地局間の無線信号の往復伝搬時間を示す。二段階のアップリンク同期化方法を用いることにより、統一された同期測距チャネルは、ピコ/フェムトセルの測距とULアクセスに用いることができ、干渉を減少させる。 【選択図】図８
Patent JP-2013517621-A (JP)
Title: 基板の熱膨張を補償する層を備える半導体発光装置
IPC: H01L33/32
Filed: 2011-01-04
Abstract: 成長基板の上面の上で半導体構造１４、１６、１８が成長させられる。前記半導体構造は、ｎ型領域とｐ型領域との間に配置されるＩＩＩ族窒化物発光層を有する。 湾曲制御層１０が、前記成長基板１２と直接接触して配置される。前記成長基板１２は、GaNの熱膨張係数より小さい熱膨張係数を持ち、 前記湾曲制御層１０は、GaNの熱膨張係数より大きい熱膨張係数を持つ。
Patent JP-2013517935-A (JP)
Title: 酸化触媒
IPC: F01N3/10
Filed: 2011-02-01
Abstract: 酸化触媒は、１０-１００重量％の少なくとも１つのバインダ／マトリックス成分、５-９０重量％のゼオライト、非ゼオライトモレキュラーシーブ又はこれらのうち２つ以上の混合物、及び０-８０重量％の選択的に安定化したセリアを含む押出しソリッド本体を含み、少なくとも１つの貴金属と少なくとも１つの非貴金属を選択的に含み、（ｉ）前記少なくとも１つの貴金属の大部分は、前記押出しソリッド本体の表面に位置、（ii）前記少なくとも１つの貴金属は、前記押出しソリッド本体の表面上の１つ以上のコーティング層に収容、（iii）前記少なくとも１つの金属が前記押出しソリッド本体の全体に渡って存在し、前記押出しソリッド本体の表面には更に高い濃度で存在、（iv）少なくとも１つの金属が前記押出しソリッド本体の全体に渡って存在し、前記押出しソリッド本体表面上の１つ以上のコーティング層に収容、及び（ｖ）少なくとも１つの金属が前記押出しソリッド本体の全体に渡って存在、前記押出しソリッド本体の表面に更に高い濃度で存在、及び前記押出しソリッド本体の表面上の１つ以上のコーティング層に収容される。
Patent JP-2013519438-A (JP)
Title: 超音波外科用器具のための、回転可能な切断実施構成
IPC: A61B18/00
Filed: 2011-02-09
Abstract: 一般的な態様において、内部に収容されたモータによって選択的に回転させられ得る、超音波変換器アセンブリを内部に回転可能に支持するハンドピースハウジングを含む、超音波外科用器具を対象とする。様々な形態のブレード、及びシース取り付け構成が開示され、ブレードは中空の外部シース内に選択的に回転可能であり得る。中空の外部シースは少なくとも１つの開口部を内部に有し、これを通じてブレード先端部が組織に暴露され得る。切断用具に真空が適用されてもよく、又は外部シースを通じて真空が適用されて、シース内の開口部を通じて組織が引かれ、ブレードの一部と接触する。
Patent JP-2013520123-A (JP)
Title: 多数のアクティブ物理インタフェースの帯域幅をアプリケーション層でアグリゲートするシステム及び方法
IPC: H04L45/74
Filed: 2011-02-25
Abstract: 本発明は、多数のアクティブ物理インタフェースの帯域幅をアプリケーション層でアグリゲートする計算効率のようシステム及び方法を提供する。前記システムは、ユーザ定義入力を受信するユーザインタフェース、通信リンクの特定の宛先までのルートを記録するルーティングテーブルを生成し更新する少なくとも一つのルーティングテーブル更新装置、プロトコルスタックのアプリケーション層に存在する少なくとも一つの制御モジュール、及び前記制御モジュールによって指定されるデータの受信及び送信のためにアプリケーション層とリンクされた多数の物理インタフェースを備える。
Patent JP-2014133790-A (JP)
Title: Polyester resin composition for wattmeter outer package
Inventor: YAMANAKA YASUSHI
IPC: B65D1/00
Filed: 2013-01-09
Abstract: PROBLEM TO BE SOLVED: To provide a polyester resin composition excellent in shock resistance, thermal aging resistance, low warpage property, hydrolysis resistance, fire resistance, weather resistance, appearance and the like and useful as for a wattmeter outer package.SOLUTION: A polyester resin composition for a wattmeter outer package contains 100 pts.mass of a polybutylene terephthalate resin (A), 20 to 80 pts.mass of a styrene copolymer (B), 0 to 30 pts.mass of a compatibilizer (C), 15 to 130 pts.mass of a reinforcement filler (D), 10 to 45 pts.mass of a bromine-based fire retardant (E) and 3 to 30 pts.mass of an antimony-based fire retardant assistant (F), 0.1 to 5 pts.mass of an acrylonitrile-styrene resin and 0.001 to 3 pts.mass of carbon black (H).
Patent JP-2014132864-A (JP)
Title: Neurodegenerative disease biomarker for multiple sclerosis
Inventor: SASAKI HIDENAO
IPC: C12Q1/68
Filed: 2013-01-10
Abstract: PROBLEM TO BE SOLVED: To provide a miRNA to be a biomarker which can be used in the inspection diagnosis and therapy of multiple sclerosis.SOLUTION: Measurement of a miRNA identified in the invention makes it possible to detect multiple sclerosis. The miRNA in the invention can be also used in the inspection diagnosis and therapy of the above disease, and further used in screening for compounds to be a therapeutic agent of the above disease.
Patent JP-2013063091-A (JP)
Title: Fried egg-like processed egg product
Inventor: WATANABE MASAKI
IPC: A23L15/00
Filed: 2013-01-11
Abstract: PROBLEM TO BE SOLVED: To provide a fried egg-like processed egg product having an original egg appearance which is look alike a real fried egg, and to provide a production method thereof.SOLUTION: The fried egg-like processed egg product includes a first albumen part using a first albumen part liquid, an egg yolk part using an egg yolk part liquid, and a second albumen part using a second albumen part liquid, wherein the second albumen part has a first tapered part and a second tapered part, the angle to a horizontal plane is larger in the second tapered part than in the first tapered part, the maximum thickness in an area of the second albumen part within a 5 mm radius from an axis passing the center of the egg yolk part is thinner than the maximum thickness in an area of the first albumen part within a 5 mm radius from the axis, the maximum thickness in the area of the first albumen part within a 5 mm radius from the axis is 1-5 mm, and the color of the first albumen part in contact with a bottom face of the egg yolk part is white.
Patent JP-2014134489-A (JP)
Title: Noise detector
Inventor: MORINAGA TAKESHI
IPC: H01L27/04
Filed: 2013-01-11
Abstract: PROBLEM TO BE SOLVED: To provide a noise detector capable of accurately measuring substrate noises.SOLUTION: A noise detector (1) includes: a semiconductor substrate (8) having an internal region (8a); a rectifier element (2b) provided on the semiconductor substrate; a constant current supply circuit (3) that supplies current to the rectifier element; a low-pass filter circuit (4) that is connected to a common connection point of the rectifier element and constant current supply circuit; and an insulating region that is provided between the internal region and rectifier element. This configuration allows an accurate detection of the level of a noise signal that is transmitted via the internal region 8a of the semiconductor substrate 8, without using an element that is a noise source of an oscillation circuit and such. Thus, feedback can be applied to a design on the basis of a result of the accurate detection of the level of the noise signal.
Patent JP-2014137620-A (JP)
Title: Information distribution device and information distribution method
Inventor: IWASAKI MASAJIRO
IPC: G09F19/00
Filed: 2013-01-15
Abstract: PROBLEM TO BE SOLVED: To provide an information distribution device capable of distributing distribution information matched or unmatched to the design of content information without making it necessary to decompose the distribution information for each component.SOLUTION: An advertisement distribution device 1 comprises: acquisition means P2 for acquiring blog information 4b partially having an advertisement frame 4c for carrying banner advertisements B; calculation means P4 for calculating the image featured value of the blog information 4b in a state that the banner advertisements B are not carried in the advertisement frame 4c as a first featured value, and for calculating the image featured value of the blog information 4b in a state that the banner advertisements B are carried in the advertisement frame 4c as a second featured value; determination means P5 for, on the basis of the comparison result of the first featured value and the second featured value calculated by the calculation means P4, determining the distribution propriety of the banner advertisements B; and distribution means P6 for distributing the banner advertisements B determined to be distributable by the determination means P5.
Patent JP-2014136323-A (JP)
Title: Control device for injection molding machine having function for controlling mold fastening force
Inventor: MARUYAMA JUNPEI
IPC: B29C45/64
Filed: 2013-01-15
Abstract: PROBLEM TO BE SOLVED: To provide a control device for an injection molding machine having function for controlling mold fastening force, including an operation screen of an injection molding machine for condition settings for mold fastening, linked with condition settings for injecting, pressure keeping, measuring, and cooling, allowing for switching of mold fastening control based on the conditions set from the operation screen.SOLUTION: In a display screen 100 of an injection molding machine, a mold fastening control step is provided on the same screen for setting a target value of the mold fastening force for each screw controlling step in an injecting process (102), a pressure keeping process (104), a measuring process (106), and a cooling process (108). The control device of the injection molding machine performs a forming cycle by sequentially switching the mold fastening control steps linked with the corresponding switching conditions (112, 114, 116 and 118) for the respective screw controlling steps for injecting, pressure keeping, measuring, and cooling.
Patent JP-2013159488-A (JP)
Title: Method for specifying maximum packing density of movable tile automated warehouse
Inventor: FRITZ CHRISTIAN
IPC: B65G1/137
Filed: 2013-01-18
Abstract: PROBLEM TO BE SOLVED: To arrange an optimal movable tile floor surface for taking out the whole pallets.SOLUTION: A warehouse management system 300 determines the optimal number of empty cells required for achieving the maximum packing density in a state of securing the fact of capable of taking out the whole pallets in the warehouse. The warehouse management system includes a layout module 302 for generating or determining a layout of a story or a space including an optional obstacle or a wall in the layout, and includes an analytical module 310 for analyzing the layout of the story or the space of the warehouse by using an automated process for specifying the maximum packing density to the layout.
Patent JP-2014141584-A (JP)
Title: Thermosetting resin composition
Inventor: TAKEI SATOSHI
IPC: C08G59/42
Filed: 2013-01-24
Abstract: PROBLEM TO BE SOLVED: To provide a thermosetting resin composition suitable for obtaining a polymer material having high transparency and light scatterability, and having satisfactory productivity.SOLUTION: Provided is a thermosetting resin composition comprising: a component (A) made of a straight chain or a branched chain with a plurality of epoxy structures; and a component (B) made of a straight chain or a branched chain with one or more kinds among a carboxyl group, a blocked carboxyl group and an acid anhydride structure plurally in the molecule, and in which the components (A) and (B) can be mutually dispersed or mixed at ordinary temperature.
Patent JP-2014143302-A (JP)
Title: Magnetic memory cell and magnetic random access memory
Inventor: NEHASHI RYUSUKE
IPC: H01L29/82
Filed: 2013-01-24
Abstract: PROBLEM TO BE SOLVED: To provide a technology for achieving writing with high reliability in an MRAM of a domain wall displacement type.SOLUTION: A memory cell utilizes a domain wall displacement element 20. The domain wall displacement element 20 comprises: a recording layer 1; and magnetic field applying means 8. The recording layer 1 comprises: a first magnetization fixed region 2 in which the magnetization is fixed in a first direction perpendicular to a film plane of the recording layer; a second magnetization fixed region 3 in which the magnetization is fixed in a second direction antiparallel to the first direction; and a magnetization reversing region 4 in which the magnetization can be reversed to the first direction or the second direction. The magnetic field applying means 8 applies a magnetic field component in a third direction parallel to the film plane of the recording layer 1; the magnetization is reversed to a fourth direction as a result of the domain wall displacement of the magnetization reversing region 4 due to a first current flowing in a direction parallel to a film plane of the recording layer 1; then the magnetization of the magnetization reversing region is reversed to a fifth direction due to the first current and a magnetic field component in the third direction; and the third direction is determined so that the fourth direction and the fifth direction is parallel.
Patent JP-2014143083-A (JP)
Title: Power storage device
Inventor: NAKAMURA TOMOHIRO
IPC: H01M2/34
Filed: 2013-01-24
Abstract: PROBLEM TO BE SOLVED: To provide a power storage device capable of more reliably suppressing heat generation.SOLUTION: A secondary battery 100 comprises: a case 10; an electrode assembly 20 housed in the case 10; at least one piece of first metal foil 14a to 14c arranged between the case 10 and the electrode assembly 20; at least one piece of second metal foil 16a to 16c arranged between the case 10 and the first metal foil 14a to 14c; and a material 54 arranged between the first metal foil 14a and the second metal foil 16c, which causes endothermic reaction. The electrode assembly 20 comprises: a positive electrode 30; a negative electrode 40; and a separator 50 arranged between the positive electrode 30 and the negative electrode 40. The first metal foil 14a to 14c is electrically connected to the negative electrode 40, and the second metal foil 16a to 16c is electrically connected to the positive electrode 30. The material 54 causes endothermic reaction at a temperature lower than a fusion point of the first metal foil 14a to 14c or a fusion point of the second metal foil 16a to 16c, whichever lower.
Patent JP-2014140560-A (JP)
Title: Game machine
Inventor: SUEOKA TAKEAKI
IPC: A63F5/04
Filed: 2013-01-25
Abstract: PROBLEM TO BE SOLVED: To provide a game machine capable of preventing a pushing mistake.SOLUTION: A sub control board is equipped with a notification performance execution portion. To the notification execution portion, a main control board inputs information indicating the result of a winning combination lottery when a winning combination lottery is executed, and sends information indicating the validation of a stop button when the stop button is made valid. When information indicating the result of the winning combination lottery is sent from the main control board, the notification performance execution portion decides whether or not the notification performance is to be executed. In the case where the notification performance is executed, a notice performance to notice that the notification performance is executed after the operation of the stop button was made valid, and the input of information indicating the validation of the stop button is awaited. When the signal indicating the validation of the stop button is inputted, the notification performance is executed.
Patent JP-2014145156-A (JP)
Title: Earthquake strengthening structure of building and earthquake-resistant design method of earthquake strengthening structure
Inventor: ODA YUTAKA
IPC: E04G23/02
Filed: 2013-01-28
Abstract: PROBLEM TO BE SOLVED: To provide an earthquake strengthening structure of a building with excellent bearing force and an earthquake-resistant design method of the same on the basis of a proper design strength.SOLUTION: An earthquake strengthening structure of a building consists of a concrete structural material 10 of the building and a concrete strengthening body 12 which are joined together by fixing by concrete between the structural material 10 and the strengthening body 12 and fixing by an anchor bar 14. A resistance force generated by a tensile strength acting on the anchor bar as a reaction force when a strengthening body side part overrides unevenness on a fracture surface on a structural material side due to a minute dislocation deformation near a joining interface is designed as a bearing force, so that the bearing force is exhibited in a minute deformation area by the resistance force.
Patent JP-2014145068-A (JP)
Title: Flame-retardant styrene resin particle and method for producing the same, foamable particle, foaming particle, and formed-molded body
Inventor: ARAMOMI YUKIO
IPC: C08L25/02
Filed: 2013-01-30
Abstract: PROBLEM TO BE SOLVED: To provide flame-retardant styrene resin particles which provide a foamed-molded body that highly achieves both flame retardancy and internal fusion.SOLUTION: Flame-retardant styrene resin particles are constituted by at least a styrene resin and a phenoxyphosphazene compound as a flame retardant. The phenoxyphosphazene compound is (i) a compound in which a phenoxy group is bonded to a substitutable binding site of a phosphorus atom constituting the phenoxyphosphazene compound; (ii) when the amount of the phenoxyphosphazene compound contained in all the flame-retardant styrene resin particles is represented by X mass%, and the amount of the phenoxyphosphazene compound contained in the surface layer is represented by Y mass% with respect to the total amount of the styrene resin particles and the phenoxyphosphazene compound, the phenoxyphosphazene compound is contained in the flame-retardant styrene resin particles so as to satisfy a relationship of Y>X; and (iii) X mass% of 0.3 to 40 mass% of the phenoxyphosphazene compound is contained in the flame-retardant styrene resin particles.
Patent JP-2014147298-A (JP)
Title: Composition for microwave oven cooking
Inventor: MIYAZAKI HIROSHI
IPC: A23L27/21
Filed: 2013-01-31
Abstract: PROBLEM TO BE SOLVED: To provide a powder composition for microwave oven cooking of food material such as meat, fish, and soybean curd, etc., which is sprayed on the surface of the food material so as to impart deliciously browned burnt deposits on the surface of the food material just by microwave heating, having excellent storage stability.SOLUTION: The composition for microwave oven cooking includes 20 to 70 wt% of powder soy sauce and granule soy sauce having a particle diameter of 0.25 to 1.18 mm blended with pregelatinized rice flour as filler, and 30 to 80 wt% of saccharides.
Patent JP-2013146183-A (JP)
Title: Short-distance wireless power receiving apparatus and method
Inventor: JUNG CHUN-KIL
IPC: H02J7/00
Filed: 2013-01-31
Abstract: PROBLEM TO BE SOLVED: To provide a short-distance wireless power transmission system capable of saving the whole charging time of a large number of wireless power receivers by employing a configuration in which the large number of wireless power receivers positioned to be close to a single wireless power transmitter can be charged.SOLUTION: A wireless power transmitter 10 is provided for transmitting a power signal so that one or more wireless power receivers 30 positioned closely can be charged by wireless. The wireless power transmitter 10 includes a resonance type converter section 23 and a main control section 21 for transmitting a power signal to the wireless power receiver 30 through a resonance signal transmitted from a primary side charging core 13, an output signal conversion module 22 for transmitting the converted power signal to the resonance type converter section 23, and a received signal processing module 24 for processing the signal to be transmitted from the wireless power receiver 30 and transmitting the processed signal to the main control section 21.
Patent JP-2014148387-A (JP)
Title: Sheet processing device
Inventor: HACHIMAN ISAO
IPC: B65H31/00
Filed: 2013-01-31
Abstract: PROBLEM TO BE SOLVED: To provide a sheet processing device retracting a sheet matching mechanism located inside a sheet holding part from the inside of the sheet holding part in accordance with detachment operation of the sheet holding part.SOLUTION: The sheet processing device includes housing means, matching means and shifting means. The housing means houses a cassette for housing sheets. The matching means applies a load toward a sheet holding face of the cassette on the sheet shifting to the cassette. The shifting means shifts in a direction perpendicular to the shifting direction of the cassette to make the matching means shift between an operation position and a retracting position when the cassette is shifted for setting the cassette to the housing means and drawing the cassette from the housing means.
Patent JP-2014149217-A (JP)
Title: Apparatus and method for installing nuclear reactor repair device
Inventor: MINAMIYAMA AKIO
IPC: G21C19/02
Filed: 2013-01-31
Abstract: PROBLEM TO BE SOLVED: To provide an apparatus and method for installing a nuclear reactor repair device, which easily mount the nuclear reactor repair device at a predetermined position so as to improve workability.SOLUTION: An apparatus for installing a nuclear reactor repair device includes: an installing pole 111 connected to an upper part of a water jet peening device 101; a lifting device 112 from which a worker can hang the upper part of the installing pole 111 on a work floor 121 and which can move up and down; a moving device 113 capable of moving the lifting device 112 in two directions intersecting in a horizontal direction; and a position adjustment device 114 capable of moving the installation pole 111 in the horizontal direction in such a state that the installation pole 111 is supported by the lifting device 112.
Patent JP-2014149727-A (JP)
Title: Image forming apparatus and control method of image forming apparatus
Inventor: OTSUKA MASARU
IPC: B41J29/38
Filed: 2013-02-01
Abstract: PROBLEM TO BE SOLVED: To reliably perform a plurality of stages of user authentication that are required in an apparatus, while simplifying the user authentication.SOLUTION: An image forming apparatus includes a first operating system in which processing related to image formation is performed by apparatus control firmware by using hardware resources, and a second operating system that is different from the first operating system, which are configured to be operable in parallel. The image forming apparatus uses first authentication information in coordination with second authentication information that is used in user authentication authenticating a user in the second operating system, with the first authentication information used in user authentication authenticating a user in the apparatus control firmware as a reference.
Patent JP-2014148276-A (JP)
Title: Storage apparatus for vehicle
Inventor: MURAKAMI AKIHIKO
IPC: B60R7/04
Filed: 2013-02-01
Abstract: PROBLEM TO BE SOLVED: To achieve space saving of the means of regulating the opening and closing of a lid.SOLUTION: Lock means 45 of holding a lid 16 at an opening position is arranged in the lid 16. In the body part 12, there is provided regulation means 30 of regulating the movement of the lid 16 at the closing position in the opening direction by changing from a retreat attitude in which the regulation means 30 retreats from a movement path for the lid 16 to a regulation attitude in which the regulation means protrudes on the front side of the opening direction of the lid 16 when an inertial force in the opening direction toward the opening position of the lid 16 acts on the lid 16. In the regulation means 30, there is formed an engagement concave part 42 to be hooked with a lock shaft 47 of the lock means 45, with the lid 16 at the opening position. A guide part 40 for guiding the lock shaft 47 is provided so that the lock means 45 is engaged in and unengaged from the engagement concave part 42.