baber/WOPTO huggingface dataset:
Patent JP-WO2019116641-A1 (JP)
Title: 距離測定装置、距離測定装置の制御方法、および距離測定装置の制御プログラム
IPC: G01S7/486
Filed: 2018-08-28
Abstract: 本発明は、霧等の環境下において、霧等からの反射であるか実在する物体からの反射であるかを判別できる距離測定装置を提供する。本発明は、信号を発信する発光素子１２と、発光素子１２が発信し、物体に反射した信号を受信して、その受信強度に応じた受信信号を出力する受光素子１５と、受信信号から、信号強度に対する第１閾値以上の第１信号と、第１閾値より高い第２閾値以上の第２信号とを出力するコンパレーター１９と、第１信号の第１閾値以上となってから第１閾値未満となるまでの第１時間幅と、第２信号の第２閾値以上となってから第２閾値未満となるまでの第２時間幅との関係から、受信信号が有効か無効か否かを判別する信号処理部１０と、を有する距離測定装置である。【選択図】図１
Patent JP-WO2019124327-A1 (JP)
Title: 冷凍サイクル装置
IPC: C09K5/04
Filed: 2018-12-17
Abstract: 少なくとも１，２−ジフルオロエチレンを含む冷媒を用いる場合において、運転効率を向上させることが可能な冷凍サイクル装置を提供する。圧縮機（２１）、室外熱交換器（２３）、室外膨張弁（２４）、室内熱交換器（３１）、および吸入インジェクション配管（４０）を備え、少なくとも１，２−ジフルオロエチレンを含む冷媒を用いた空気調和装置１であって、吸入インジェクション配管（４０）は、室外熱交換器（２３）から室内熱交換器（３１）に向かって流れる冷媒の一部を圧縮機（２１）に吸入される低圧の冷媒に合流させる。
Patent JP-WO2019132000-A1 (JP)
Title: 環状部品のプレス成形方法
IPC: B21J5/08
Filed: 2018-12-28
Abstract: 本発明は、Ｔ断面形状のボス部を有した環状部品のプレス成形方法に関し、一枚の鋼板からのプレス加工により成形することにより素材コストを低減すると共に生産タクトの短縮を実現することを目的とする。一枚の鋼板より成る中心孔付の円板形状のワークＷをダイクッション下にて保持しつつパンチによりワークＷの中心孔部にバーリング加工によりワークの片側を円筒状の張出し部に成形する。バーリング後のワークＷをダイクッション下にて保持しつつパンチによる張出し部のしごきを行い、しごき後の張出し部W2の付け根W3側に向けて肉を寄せる第１段階のしごき加工を行なう。さらに、ワークをダイクッション下にて保持しつつ保持しつつ、しごき後の張出し部W2をパンチ６５により更にしごくことによりワークの反対側に第２の張り出し部Ｗ5を形成し、Ｔ断面形状のボス部を有したキャリア部品とする。
Patent JP-WO2019151265-A1 (JP)
Title: 基材および共重合体
IPC: A01K63/00
Filed: 2019-01-29
Abstract: 水と接する基材であり、基材本体と、基材本体における水と接する面の少なくとも一部に設けられる表面層とを有する基材であって、（１）表面層が生体親和性部位と反応性シリル基とを有する化合物を含む組成物の硬化物からなり、生体親和性部位が特定の構造からなり、組成物中の固形分における生体親和性部位の含有量が２５〜８３質量％、反応性シリル基の含有量が２〜７０質量％である基材、及び（２）表面層の弾性率が、大気中で乾燥した後の測定値に対する水中での測定値が０．１％〜６３％である、基材。
Patent WO-2021024511-A1 (WO)
Title: アンモニアの燃焼方法及びアンモニアの燃焼システム
Inventor: IZUMI MITSUHIRO
IPC: F23N5/02
Filed: 2020-01-10
Abstract: アンモニアガスを燃焼室４内で燃焼させるアンモニアの燃焼方法であって、アンモニアガスから水素ガスを分離生成するステップと、前記分離生成された水素ガスを前記燃焼室４内に供給するステップと、前記燃焼室４内に供給された水素ガスに点火放電し該水素ガスを燃焼させるステップと、前記燃焼した水素ガスから前記燃焼室４内のアンモニアガスに着火されるステップとを含む。
Patent WO-2020162333-A1 (WO)
Inventor: YAMAMOTO YOSHIHISA
IPC: H02K3/04
Filed: 2020-01-30
Abstract: In an armature (100), first jumper wires (72) and second jumper wires (82), which are each disposed such that jumper wires having different phases are adjacent to each other, have higher voltage values at which insulation is possible than first legs (71) and second legs (81) which are each disposed such that legs having the same phase are adjacent to each other.
Patent WO-2020166663-A1 (WO)
Inventor: YOSHIKAWA TAKATOSHI
IPC: H04W4/44
Filed: 2020-02-13
Abstract: 車両２０が通行する一般道路１２０と車両２０よりも優先される鉄道車両１０が通行する線路１１０とが交差する踏切１５０に設けられる交通安全装置を制御する路側機４０は、送信元車両の種別として鉄道車両を示す情報要素と、鉄道車両１０の位置及び鉄道車両１０の速度のうち少なくとも一方を示す情報要素とを含む第１メッセージを鉄道車両１０から受信する。路側機４０は、通信部は、踏切１５０における鉄道車両１０の通過待ち時間に関する情報要素を含む第２メッセージを車両２０に送信する。
Patent WO-2020170988-A1 (WO)
Title: Vibrating power generation element and manufacturing method for vibrating power generation element
Inventor: ASHIZAWA HISAYUKI
IPC: B81B3/00
Filed: 2020-02-14
Abstract: A vibrating power generation element formed by processing a substrate that has a first Si layer and a second Si layer provided via an insulating layer. The vibrating power generation element comprises: a fixed electrode formed on the first Si layer; and a movable electrode formed on the second Si layer, facing the fixed electrode via a gap formed in the insulating layer, and being movable relative to the fixed electrode.
Patent WO-2021166181-A1 (WO)
Title: Device for feature point separation by subject, method for feature point separation by subject, and computer program
Inventor: MATSUMURA MASAAKI
IPC: G06T7/00
Filed: 2020-02-20
Abstract: This device for feature point separation by subject comprises: an inference execution unit that, where photographed images obtained by photographing a subject are used as an input, outputs a plurality of first maps and a plurality of second maps from the inputted photographed images by using a trained model trained to output the plurality of first maps and the plurality of second maps, the plurality of first maps being such that the distance from a first feature point among feature points of the subject is stored only in the periphery of a second feature point, and the plurality of second maps expressing heat maps configured such that peaks are formed at coordinates where the feature points of the subject appear; and a unit for feature point separation by subject that performs separation of the feature points by subject on the basis of the plurality of first maps and the plurality of second maps outputted from the inference execution unit.
Patent WO-2020175552-A1 (WO)
Inventor: TOMA TAKAHIRO
IPC: H01M4/505
Filed: 2020-02-26
Abstract: Provided is a positive electrode active material for a lithium ion secondary battery that contains a lithium metal composite oxide containing lithium (Li), nickel (Ni), cobalt (Co), and an element M (M) in the mass ratio Li : Ni : Co : M = 1 + a : 1 − x − y : x : y (where −0.05 ≤ a ≤ 0.50, 0 ≤ x ≤ 0.35, 0 ≤ y ≤ 0.35, and the element M is at least one chosen from the group consisting of Mg, Ca, Al, Si, Fe, Cr, Mn, V, Mo, W, Nb, Ti, and Zr). If a grain of the lithium metal composite oxide during charging at 4.3 V (vs. Li + /Li) is measured by STEM-EDS, the thickness of an NiO layer is 200 nm or less and the specific surface area is 0.7-2.0m 2 .
Patent WO-2020175692-A1 (WO)
Title: Learning device and determination device
Inventor: MIYAZAKI TOSHIYUKI
IPC: G06N3/08
Filed: 2020-02-28
Abstract: Provided is a learning device comprising: an input unit for inputting teaching determination target data, teaching determination result data that indicates the result of determination made on the teaching determination target data, and teaching determination ground data that indicates the grounds of result of determination made on the teaching determination target data; a determination learning unit which, when determination target data is inputted by performing first machine learning to learn a relationship between the teaching determination target data and the teaching determination result data, generates a determination inference model for outputting determination inference data that indicates the result of determination made on the determination target data; and a ground learning unit which, when determination target data is inputted by performing second machine learning to learn a relationship between the teaching determination target data and the teaching determination ground data, generates a ground inference model for outputting ground inference data that indicates the grounds of result of determination made on the determination target data.
Patent WO-2021181468-A1 (WO)
Title: Semiconductor module
Inventor: NATSUME MASASHI
IPC: H01L23/36
Filed: 2020-03-09
Abstract: The present invention comprises: a first insulating layer 10; a semiconductor component 40 which is adhered to a top surface of the first insulating layer via a first adhesive 12, and has an electrode 42 on a bottom surface; a first metal layer 14 which is provided on a bottom surface of the first insulating layer and is connected to the electrode via a first through hole 16 that penetrates the first insulating layer and the first adhesive; and a highly thermally conductive layer which is provided on the bottom surface of the first insulating layer, overlaps the semiconductor component in plan view, is not connected to the semiconductor component, and has thermal conductivity that is greater than the thermal conductivity of the first insulating layer and the first adhesive.
Patent WO-2020189390-A1 (WO)
Inventor: OZAKI MAYU
IPC: C09J201/00
Filed: 2020-03-09
Abstract: La présente invention concerne une composition d'agent adhésif qui contient un polymère de base, un pigment leuco et un agent de génération de photo-acide.
Patent WO-2020189775-A1 (WO)
Inventor: SAKAMOTO MAI
IPC: G08G1/16
Filed: 2020-03-19
Abstract: The present disclosure provides a technology for improving estimation precision with respect to a region where a shielding object exists.　An alarm device comprises acquisition units S110 and S210, alarm determination units S160 and S260, a notification unit S290, a stationary state extraction unit S410, blocking boundary setting units S340, S440, S450, S480, and S490, and a suppression unit S350. The acquisition units acquire reflection point information and target information. The alarm determination units determine whether individual targets are alarm candidates. The notification unit issues a notification pertaining to an alarm candidate. The stationary state extraction unit extracts a stationary reflection point. The blocking boundary setting units set an approximation straight line as a blocking boundary by means of robust estimation. The suppression unit suppresses a notification pertaining to an alarm candidate that exists on the opposite side of the blocking boundary.
Patent WO-2020203767-A1 (WO)
Title: Information display system and vehicle information display system using this
Inventor: HIRATA KOJI
IPC: G03B21/62
Filed: 2020-03-27
Abstract: An information display system that can display high-resolution video information, and a vehicle information display system which can use the information display system to display information inside/outside of the vehicle are provided.　This information display system, which displays a video to either the inside or the outside of a space, via a transparent projection-receiving member arranged inside the space, is provided with a video projection device (48) which is arranged inside of the space and modulates luminous flux from a light source to generate and project video light, a transparent sheet (51) which is provided on the inside surface of a display region configured in a part of the transparent projection-receiving member, and a light direction conversion panel (54) which converts the direction of the video light from the video projection device towards the transparent sheet in the display region, wherein the transparent sheet (51) includes a phase difference plate, an absorption-type polarizing plate that absorbs specific polarized waves, and a transparent diffusion sheet material having a light diffusion effect, and the video light, the direction of which has been converted by the light direction conversion panel (54), is projected to inside or outside of the aforementioned space.
Patent WO-2021205501-A1 (WO)
Title: Resurvey necessity determination device, survey system, drone system, and resurvey necessity determination method
Inventor: SUENAGA TOMOHIRO
IPC: G01C15/00
Filed: 2020-04-06
Abstract: [Problem] To reduce the frequency of resurveying of a farm field when the coordinates of a reference point change. [Solution] A resurvey necessity determination device 650 comprising: an existing information readout unit 652 that reads out the coordinate values of an electronic reference point 409 stored in advance in a recording unit as existing coordinates; a current information acquisition unit 653 that acquires the current coordinates of the electronic reference point 409 as current coordinates; a coordinate change acquisition unit 654 that determines whether the recorded coordinates of the electronic reference point 409 have changed when the coordinates of a farm field 403 are acquired and determines it is not necessary to resurvey when the coordinates have not changed; and a relative change acquisition unit 655 that determines it is not necessary to resurvey when the coordinates of the electronic reference point 409 have changed by the same distance in the same direction.
Patent WO-2021215006-A1 (WO)
Inventor: KUBOTA TOMONORI
IPC: G06T7/00
Filed: 2020-04-24
Abstract: The present invention visualizes the degree of influence of each image position that is a cause of erroneous recognition. This analysis device comprises: a first learning unit which executes a first learning process on an image generation model so that an image, for which the recognition result of an image recognition process assumes a predetermined state, is generated; a second learning unit which executes a second learning process on the generation model on which the first learning process has been executed, while changing, step by step to a target recognition accuracy, a recognition accuracy of the image generated by the generation model on which the first learning process has been executed by the first learning unit; and a generation unit which acquires each piece of reverse error propagation information calculated by executing an image recognition process on the image of each recognition accuracy that has been generated in the second learning process, and generates evaluation information indicating each image position that is a cause of erroneous recognition at each recognition accuracy on the basis of each piece of the acquired reverse error propagation information.
Patent WO-2021220384-A1 (WO)
Inventor: YAMADA KENTARO
IPC: A24F40/50
Filed: 2020-04-28
Abstract: [Problem] To provide a mechanism capable of improving the accuracy of detection of a puff. [Solution] This inhalation device is provided with: a heating unit for heating an aerosol source; a temperature varying unit, the temperature of which is increased due to heat generated by heating by the heating unit, and is decreased as a result of suction of an aerosol generated from the aerosol source heated by the heating unit; and a control unit for detecting suction of the aerosol when the manner of temperature decrease of the temperature varying unit meets a detection reference. The control unit changes the detection reference on the basis of the time elapsed from the start of heating of the aerosol source by the heating unit.
Patent WO-2021079552-A1 (WO)
Inventor: KATO NOBORU
IPC: H01Q21/08
Filed: 2020-05-28
Abstract: L'invention concerne un dispositif d'antenne de lecture/écriture RFID (101) comprenant : un premier élément de rayonnement (11) ; un deuxième élément de rayonnement (12) ; un troisième élément de rayonnement (13) ; des symétriseurs (21, 22, 23) ; un déphaseur (30) ; et un distributeur (4). Les éléments de rayonnement (11, 12, 13) sont constitués de motifs conducteurs ayant des directions d'extension qui sont parallèles entre elles, et sont utilisés dans la lecture ou l'écriture d'une étiquette RFID. Le distributeur (4) connecte le premier élément de rayonnement (11), le deuxième élément de rayonnement (12) et le troisième élément de rayonnement (13) à une unité d'entrée/sortie commune (Po). Le déphaseur (30) confère une différence de phase de 90° entre la phase d'alimentation du deuxième élément de rayonnement (12) et les phases d'alimentation du premier élément de rayonnement (11) et du troisième élément de rayonnement (13). Les symétriseurs (21, 22, 23) effectuent une conversion entre un signal équilibré et un signal non équilibré.
Patent WO-2021245908-A1 (WO)
Inventor: GOTO DAISUKE
IPC: H04W84/06
Filed: 2020-06-05
Abstract: Ce système de communication radio, qui comprend une pluralité de dispositifs de communication et un dispositif relais mobile, est pourvu d'une première unité de compensation de décalage qui compense les décalages de fréquence générés dans des communications entre la pluralité de dispositifs de communication et le dispositif relais, dans laquelle : si la première unité de compensation de décalage est disposée dans le dispositif relais, la première unité de compensation de décalage fournit un décalage de fréquence statistique, obtenue à partir des statistiques de la pluralité de décalages de fréquence générés dans des communications entre chaque dispositif de la pluralité de dispositifs de communication et le dispositif relais, à une unité de réception qui reçoit des signaux radio transmis par chaque dispositif de la pluralité de dispositifs de communication ; et si des premières unités de compensation de décalage sont disposées dans chaque dispositif de la pluralité de dispositifs de communication, chaque première unité de compensation de décalage fournit le décalage de fréquence généré entre le dispositif de communication, dans lequel est disposée ladite première unité de compensation de décalage et le dispositif relais, à une unité de transmission qui transmet un signal radio au dispositif relais.
Patent WO-2020262439-A1 (WO)
Inventor: MATSUSHITA SHUMPEI
IPC: H01G9/14
Filed: 2020-06-24
Abstract: An electrolytic capacitor provided with: a rolled body comprising a first electrode foil and a second electrode foil rolled together; a capacitor element including a first lead terminal connected to the first electrode foil and a second lead terminal connected to the second electrode foil; a first current-collecting member connected to the first electrode foil; and a case in which the capacitor element and the first current-collecting member are housed. The first electrode foil has a first non-opposing portion, at a first end thereof in a roll axis direction of the winding body, that does not oppose the second electrode foil. The first current-collecting member is disposed on the first end side, and is connected to the first electrode foil at the first non-opposing portion.
Patent WO-2022003823-A1 (WO)
Title: Slider structure, and slider cover
Inventor: ITO NAOYUKI
IPC: A44B19/26
Filed: 2020-06-30
Abstract: A slider structure (1, 1B) comprises: a first slider (50, 50B); a second slider (60, 60B); and a slider cover (10, 10B). The slider cover (10, 10B) is configured so that an upper cover (30, 30B) engages with a lower cover (20, 20B) that has a string attachment part (24, 24B). An operation connection part (40, 40B) capable of connecting an operation tool (5) is disposed between the lower cover (20, 20B) and the upper cover (30, 30B).
Patent WO-2021006300-A1 (WO)
Inventor: SUZUKI You
IPC: A23L17/00
Filed: 2020-07-08
Abstract: 本発明の課題は、基板表面上に食品原料を適用し、加熱して得られた蛋白質変性した食品が基板表面より容易に剥離できる、食品の製造方法を提供することにある。また、本発明の課題は、基板表面より剥離する際に不必要な力がシートにかからずに製造された食品を提供することである。本発明は、基板表面上に蛋白質を含有する食品原料を適用し、加熱し、蛋白質変性した食品を上記基板表面から剥離する工程を含む食品の製造方法において、上記基板表面上に、トリグリセリド組成物を予め適用した後に、さらに上記食品原料を適用する、食品の製造方法、及び上記食品の製造方法で得られた食品を提供する。
Patent WO-2022029906-A1 (WO)
Title: Control device, control system, and control method
Inventor: TSUKITANI TAKAYUKI
IPC: G06F11/34
Filed: 2020-08-05
Abstract: This control device (100) comprises: a determination unit (11) which when an operation for a target apparatus (1) by a user (U) of the target apparatus (1) has been input, determine whether the input operation is a valid operation or an invalid operation; and an action control unit (12) which includes a first action control unit (21) which when the input operation has been determined as a valid operation, instructs the execution of a first action control for the target apparatus (1), and a second action control unit (22) which when the input operation has been determined as an invalid operation, instructs the execution of a second action control for the target apparatus (1), wherein the first action control includes action control corresponding to the input operation, and the second action control includes action control corresponding to the valid operation.
Patent WO-2021049241-A1 (WO)
Inventor: KAMOCHI YOSHITAKA
IPC: G03F7/032
Filed: 2020-08-12
Abstract: Une composition de résine photosensible selon la présente invention contient un polymère alcalino-soluble, un composé ayant une liaison double éthyléniquement insaturée, un amorceur de photopolymérisation et un composé représenté par la formule générale (1) (dans laquelle R 1  et R 2  représentent chacun indépendamment un groupe qui est choisi dans le groupe constitué de groupes organiques ayant de 1 à 20 atomes de carbone, à l'exclusion d'un groupe azo).
Patent WO-2021049341-A1 (WO)
Inventor: LIU JONATHAN
IPC: A61B3/135
Filed: 2020-08-31
Abstract: 例示的な態様のスリットランプ顕微鏡は、スキャン部と、データ処理部とを含む。スキャン部は、被検眼の前眼部をスリット光でスキャンして複数の断面画像を収集する。データ処理部は、スキャン部により収集された複数の断面画像に基づいて、被検眼の水晶体の混濁部の分布を表す混濁分布情報を生成する。
Patent WO-2022049751-A1 (WO)
Inventor: UKON YUTA
IPC: H04L12/70
Filed: 2020-09-07
Abstract: A state memory (16) is used to hold state data (SD) including state values (State) indicating the states of connections and further including reference values (Ref) for identifying those connections, and a control device (15): divides hash values (Hash) related to the field values (Field) of received packets, thereby generating search keys (Key) and comparison values (Comp); selects and acquires the state data (SD) corresponding to searches from the state memory; from among the acquired state data (SD), selects, as state data related to connections of interest, the state data having reference values matching the comparison values of the received packets; determines the order states related to the connections of interest on the basis of the state control data (Flag) of the received packets and the selected state data; and updates, on the basis of the acquired determination results, the state data related to the connections of interest held in the state memory. In this way, the number of connections can be measured by use of a smaller number of memory resources.
Patent WO-2021131192-A1 (WO)
Title: 配線構造
Inventor: ISHIZAKI MASATO
IPC: H01L23/02
Filed: 2020-09-25
Abstract: 配線構造（１００）は、ボールグリッドアレイ（９０）を用いて実装されることになる。基体（８０）は誘電体からなる。第１差動線路（１３１）は、基体（８０）中に設けられており、第１信号線路（１１）および第２信号線路（１２）を有する。第２差動線路（１３２）は、基体（８０）中に設けられており、第３信号線路（１３）および第４信号線路（１４）を有する。第１パッド（２１）は第１信号線路（１１）に接続されている。第２パッド（２２）は第２信号線路（１２）に接続されている。第３パッド（２３）は接地領域（２０）を介して第２パッド（２２）と隣り合っており、第３信号線路（１３）に接続されている。第４パッドは第４信号線路に接続されている。接地領域（２０）は、第２パッド（２２）と第３パッド（２３）との間の介在部（２０ｉ）と、介在部（２０ｉ）から外れた非介在部（２０ｎ）とを含む。基体（８０）はトレンチ（ＴＲ）を有する。
Patent WO-2022064667-A1 (WO)
Inventor: OGAWA KEISUKE
IPC: A61B1/00
Filed: 2020-09-28
Abstract: This image-capturing device has a camera unit and a control unit. A first power supply voltage is transferred from the camera unit to the control unit through a power supply line, and is inputted to the camera unit as a second power supply voltage. The camera unit outputs, to a video signal line, a video signal, a reference signal having a reference voltage, and a voltage signal in accordance with the second power supply voltage. The control unit measures the value of the voltage of each of the reference signal and the voltage signal. The control unit calculates the control value of the first power supply voltage, by using the measured values.
Patent WO-2022064702-A1 (WO)
Title: Electric motor control apparatus
Inventor: ISHIZAKI JUNKI
IPC: H02J3/26
Filed: 2020-09-28
Abstract: An electric motor control apparatus (100) comprises: a power conversion device (3) that converts power from a power source (4) and supplies AC power to an electric motor (2); a current detection device (7) that detects current flowing to the electric motor (2); and a control unit (1) that causes current to flow through two phases of input power lines (5) of the electric motor (2), detects a gain error of the current detection device (7) between the two phases, and outputs, to the power conversion device (3), a driving signal (Vuvw_ref) obtained by compensating the gain error.
Patent WO-2021106362-A1 (WO)
Title: コアシェル型量子ドット及びコアシェル型量子ドットの製造方法
Inventor: AOKI SHINJI
IPC: C01B25/08
Filed: 2020-09-30
Abstract: 本発明は、少なくともＩｎ及びＰを含み、第ＩＩＩ－Ｖ族元素を構成元素とする半導体ナノ結晶コアと、前記半導体ナノ結晶コアを被覆する、第ＩＩ－ＶＩ族元素を構成元素とする単一又は複数の半導体ナノ結晶シェルとを含むコアシェル型量子ドットであって、前記半導体ナノ結晶コアと前記半導体ナノ結晶シェルとの間に、第ＩＩ－Ｖ族元素を構成元素とする半導体ナノ結晶を含むバッファー層を有するコアシェル型量子ドットである。これにより、第ＩＩＩ－Ｖ族半導体ナノ結晶をコアとして用いた量子ドットであって、蛍光発光効率が向上された量子ドットが提供される。
Patent WO-2021205680-A1 (WO)
Title: Steering apparatus
Inventor: ENOMOTO SATOSHI
IPC: B62D5/04
Filed: 2020-10-09
Abstract: A steering apparatus 100 is provided with: a turning shaft 55 that can move in the vehicle width direction; a pinion shaft 21 that meshes with the turning shaft 55; and a first housing 52 that houses the turning shaft 55 and the pinion shaft 21. An inner peripheral surface 52I of the first housing 52 faces the turning shaft 55 and has an inclined portion 52IT where the inner diameter thereof sequentially changes. The inclined portion 52IT is at least formed lower than a meshed portion G, the meshed portion G being defined as the site where teeth 55T of the turning shaft 55 and teeth 24 of the pinion shaft 21 mesh together.